/* roulang page: index */
:root{
  --ink:#081827;
  --ink-2:#0d2033;
  --ink-3:#15364f;
  --sea:#1268a0;
  --sea-soft:#e8f2f9;
  --aqua:#2fb9ad;
  --gold:#f2b13c;
  --gold-deep:#d9962a;
  --paper:#f5f8fc;
  --card:#ffffff;
  --text:#16283a;
  --muted:#63798f;
  --line:#e3ebf4;
  --line-soft:#eef3f9;
  --r-sm:8px;
  --r:12px;
  --r-lg:18px;
  --sh-sm:0 2px 8px rgba(10,32,54,.06);
  --sh:0 10px 28px rgba(10,32,54,.09);
  --sh-lg:0 18px 46px rgba(10,32,54,.16);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:#ffffff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,185,173,.65);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,14,26,.42);background:#061320;}
.nav-wrap{
  position:relative;
  display:flex;align-items:center;gap:28px;
  height:64px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px;
  white-space:nowrap;
  transition:opacity .2s ease;
}
.logo:hover{opacity:.86;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--sea) 0%,var(--aqua) 100%);
  color:#fff;flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  display:inline-flex;align-items:center;
  padding:8px 14px;min-height:38px;
  font-size:15px;color:rgba(255,255,255,.74);
  border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.is-active{color:#fff;background:rgba(47,185,173,.16);box-shadow:inset 0 0 0 1px rgba(47,185,173,.45);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;margin-left:8px;
  font-size:14px;font-weight:700;color:#20180a;
  background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
  border-radius:var(--r-sm);
  box-shadow:0 4px 14px rgba(242,177,60,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,177,60,.38);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;border-radius:10px;
  color:#fff;background:rgba(255,255,255,.08);
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  font-size:15px;font-weight:700;border-radius:var(--r-sm);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-gold{
  color:#20180a;
  background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
  box-shadow:0 8px 22px rgba(242,177,60,.3);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,177,60,.4);background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
  color:#eaf3fa;background:rgba(255,255,255,.06);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-line{
  color:var(--sea);background:#fff;
  box-shadow:inset 0 0 0 1px #cfdfee;
}
.btn-line:hover{background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea);transform:translateY(-2px);}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0;}
.section--alt{background:var(--paper);}
.section--dark{background:var(--ink);color:#dce8f2;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--sea);text-transform:uppercase;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--aqua);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;display:inline-block;}
.section-title{font-size:30px;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);}
.section--dark .section-desc{color:#a9c1d4;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(18,104,160,.55) 0%,rgba(8,24,39,0) 68%),
    linear-gradient(180deg,rgba(8,24,39,.72) 0%,rgba(8,24,39,.9) 62%,#081827 100%);
}
.hero-inner{position:relative;z-index:2;padding:60px 0 72px;}
.hero-map{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:14px 16px;margin-bottom:34px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r);
  backdrop-filter:blur(6px);
}
.map-label{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--gold);
  padding-right:14px;border-right:1px solid rgba(255,255,255,.16);
  margin-right:2px;
}
.map-label svg{width:15px;height:15px;}
.map-chips{display:flex;flex-wrap:wrap;gap:8px;}
.map-chips span{
  display:inline-flex;align-items:center;
  padding:6px 13px;font-size:13px;color:#cfe2f0;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
  border-radius:999px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.map-chips span:hover{background:rgba(47,185,173,.2);color:#fff;border-color:rgba(47,185,173,.5);}
.hero-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;font-weight:700;
  color:var(--aqua);margin-bottom:16px;
}
.hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;letter-spacing:-.6px;color:#fff;max-width:16em;
}
.hero-lead{
  max-width:720px;margin-top:20px;
  font-size:16px;line-height:1.9;color:#b9cdde;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:44px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats .stat-num{font-size:26px;font-weight:800;color:var(--gold);letter-spacing:-.5px;}
.hero-stats .stat-label{font-size:13px;color:#93aec3;margin-top:4px;}

/* ---------- 入口矩阵 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.entry-card{
  position:relative;display:flex;flex-direction:column;
  padding:28px 26px 26px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#c9dcee;}
.entry-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:13px;
  background:var(--sea-soft);color:var(--sea);margin-bottom:18px;
}
.entry-icon svg{width:22px;height:22px;}
.entry-card h3{font-size:19px;color:var(--ink);}
.entry-card p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;font-size:12px;font-weight:600;
  color:var(--sea);background:var(--sea-soft);border-radius:999px;
}
.tag--aqua{color:#16756c;background:#e2f6f3;}
.tag--gold{color:#8a5f0d;background:#fdf1d8;}
.entry-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:20px;font-size:14px;font-weight:700;color:var(--sea);
}
.entry-more svg{width:15px;height:15px;transition:transform .2s ease;}
.entry-card:hover .entry-more svg{transform:translateX(4px);}

/* ---------- 最新动态表 ---------- */
.update-panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;
}
.update-head{
  display:grid;grid-template-columns:140px 1fr 130px 96px;
  gap:14px;padding:14px 24px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.6px;
}
.update-row{
  display:grid;grid-template-columns:140px 1fr 130px 96px;
  gap:14px;align-items:center;
  padding:16px 24px;
  border-bottom:1px solid var(--line-soft);
  transition:background .2s ease;
}
.update-row:last-child{border-bottom:0;}
.update-row:hover{background:#f8fbfe;}
.update-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.update-title{font-size:15px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.update-row:hover .update-title{color:var(--sea);}
.update-cat{font-size:13px;color:var(--sea);}
.update-state{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 10px;font-size:12px;font-weight:700;
  color:#16756c;background:#e2f6f3;border-radius:999px;
}
.empty-tip{
  padding:40px 24px;text-align:center;font-size:15px;color:var(--muted);
  background:var(--card);border:1px dashed #cfdfee;border-radius:var(--r);
}

/* ---------- 亮点卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.feature-card{
  display:flex;gap:18px;padding:26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#c9dcee;}
.feature-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#0c4a72;background:var(--sea-soft);
}
.feature-card h3{font-size:17px;color:var(--ink);margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 专题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.topic-card{
  overflow:hidden;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#c9dcee;}
.topic-thumb{aspect-ratio:16/9;overflow:hidden;background:#dbe7f2;}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.05);}
.topic-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:17px;color:var(--ink);}
.topic-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;}
.topic-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:#8199ae;}

/* ---------- 数据条 ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.1);border-radius:var(--r-lg);overflow:hidden;
}
.metric-cell{background:var(--ink-2);padding:30px 24px;}
.metric-cell .m-num{font-size:32px;font-weight:800;color:var(--gold);letter-spacing:-1px;}
.metric-cell .m-num span{font-size:15px;font-weight:700;margin-left:2px;}
.metric-cell .m-label{margin-top:8px;font-size:14px;color:#a9c1d4;}

/* ---------- 参数表 ---------- */
.spec-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
}
.spec-table th,.spec-table td{
  padding:16px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line-soft);
  vertical-align:top;
}
.spec-table thead th{
  background:var(--paper);font-size:13px;letter-spacing:.6px;
  color:var(--muted);font-weight:700;
}
.spec-table tbody th{width:200px;font-weight:700;color:var(--ink);background:#fbfdff;}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody td{color:var(--muted);}
.spec-table tbody tr:hover td,.spec-table tbody tr:hover th{background:#f6fafd;}

/* ---------- 场景矩阵 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-item{
  padding:24px;border-radius:var(--r);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh);}
.scene-item h4{font-size:16px;color:var(--ink);display:flex;align-items:center;gap:9px;}
.scene-item h4::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--aqua);flex:0 0 auto;
}
.scene-item p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 资讯卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#c9dcee;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:#dbe7f2;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-cat{font-size:12px;font-weight:700;color:var(--sea);letter-spacing:.4px;}
.news-body h3{margin-top:9px;font-size:16.5px;color:var(--ink);line-height:1.5;}
.news-card:hover .news-body h3{color:var(--sea);}
.news-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78;flex:1;}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:12.5px;color:#8199ae;}

/* ---------- 版本时间线 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;
  width:2px;background:linear-gradient(180deg,var(--aqua),rgba(47,185,173,.1));
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--aqua);
}
.tl-item .tl-ver{
  display:inline-flex;align-items:center;
  height:24px;padding:0 11px;font-size:12px;font-weight:700;
  color:#0c4a72;background:var(--sea-soft);border-radius:999px;margin-bottom:8px;
}
.tl-item h4{font-size:16.5px;color:var(--ink);}
.tl-item p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 多端 ---------- */
.device-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.device-list{display:grid;gap:14px;margin-top:26px;}
.device-row{
  display:flex;gap:14px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-sm);
  transition:border-color .2s ease,transform .2s ease;
}
.device-row:hover{border-color:#c9dcee;transform:translateX(3px);}
.device-row .d-icon{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--sea-soft);color:var(--sea);
}
.device-row .d-icon svg{width:18px;height:18px;}
.device-row h4{font-size:15.5px;color:var(--ink);}
.device-row p{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.75;}
.device-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-lg);border:1px solid var(--line);
}
.device-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.device-badge{
  position:absolute;left:18px;bottom:18px;
  padding:10px 16px;border-radius:10px;
  background:rgba(8,24,39,.82);color:#eaf3fa;
  font-size:13px;font-weight:700;backdrop-filter:blur(4px);
}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote-card{
  padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh);}
.quote-mark{font-size:34px;line-height:1;color:#cfe3f3;font-weight:800;font-family:Georgia,serif;}
.quote-card p{margin-top:8px;font-size:14.5px;color:#42596f;line-height:1.85;flex:1;}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft);}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0c4a72;background:var(--sea-soft);
}
.quote-user .u-name{font-size:14px;font-weight:700;color:var(--ink);}
.quote-user .u-role{font-size:12.5px;color:#8199ae;}

/* ---------- 保障徽章 ---------- */
.badge-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.badge-item{
  display:flex;gap:14px;padding:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-sm);
}
.badge-item .b-icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fdf1d8;color:#8a5f0d;
}
.badge-item .b-icon svg{width:17px;height:17px;}
.badge-item h4{font-size:15px;color:var(--ink);}
.badge-item p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 快速解答 ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.faq-card{
  padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-card:hover{border-color:#c9dcee;box-shadow:var(--sh);}
.faq-card h3{
  font-size:16.5px;color:var(--ink);display:flex;gap:10px;align-items:flex-start;
}
.faq-card h3 .q-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;background:var(--sea);
}
.faq-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- 收口 ---------- */
.closing{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0b2b43 0%,#081827 60%,#0c3350 100%);
  color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:center;
}
.closing h2{font-size:27px;color:#fff;line-height:1.36;}
.closing p{margin-top:14px;font-size:15.5px;color:#a9c1d4;line-height:1.85;}
.closing-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9fb8cb;padding:58px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;padding-bottom:42px;}
.footer-brand .logo{font-size:16px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8ba7bd;max-width:34em;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.6px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#9fb8cb;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7d99b0;
}
.footer-bottom .fb-links{display:flex;gap:18px;}
.footer-bottom .fb-links a:hover{color:var(--gold);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:62px 0;}
  .entry-grid,.topic-grid,.news-grid,.quote-grid,.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .device-wrap{grid-template-columns:1fr;gap:32px;}
  .closing{grid-template-columns:1fr;padding:40px 32px;}
  .closing-actions{justify-content:flex-start;}
  .update-head,.update-row{grid-template-columns:120px 1fr 110px;}
  .update-head .col-state,.update-row .update-state{display:none;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    display:none;position:absolute;left:-20px;right:-20px;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:#061320;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 32px rgba(3,14,26,.5);
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:12px 14px;min-height:44px;font-size:15px;}
  .nav-cta{margin-left:0;margin-top:8px;height:44px;}
  .feature-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .section-title{font-size:25px;}
  .section-desc{font-size:15px;}
  .hero-inner{padding:44px 0 56px;}
  .hero-lead{font-size:15px;}
  .entry-grid,.topic-grid,.news-grid,.quote-grid,.scene-grid,.faq-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 auto;}
  .spec-table thead{display:none;}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table th,.spec-table td{display:block;width:100%;}
  .spec-table tbody th{background:#f2f7fc;border-bottom:0;}
  .spec-table tbody tr{border-bottom:1px solid var(--line);}
  .spec-table tbody tr:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-stats{gap:14px;padding-top:24px;margin-top:32px;}
  .hero-stats .stat-num{font-size:22px;}
  .metric-band{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:1fr;}
  .map-label{border-right:0;padding-right:0;margin-bottom:2px;}
  .update-head{display:none;}
  .update-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .update-title{white-space:normal;}
  .closing{padding:32px 22px;}
  .closing h2{font-size:22px;}
  .nav-menu{left:-16px;right:-16px;}
}

/* roulang page: category1 */
:root{
 --ink:#081827;
 --ink-2:#0d2033;
 --ink-3:#15364f;
 --sea:#1268a0;
 --sea-soft:#e8f2f9;
 --aqua:#2fb9ad;
 --gold:#f2b13c;
 --gold-deep:#d9962a;
 --paper:#f5f8fc;
 --card:#ffffff;
 --text:#16283a;
 --muted:#63798f;
 --line:#e3ebf4;
 --line-soft:#eef3f9;
 --r-sm:8px;
 --r:12px;
 --r-lg:18px;
 --sh-sm:0 2px 8px rgba(10,32,54,.06);
 --sh:0 10px 28px rgba(10,32,54,.09);
 --sh-lg:0 18px 46px rgba(10,32,54,.16);
 --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:#ffffff;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,14,26,.42);background:#061320;}
.nav-wrap{
 position:relative;
 display:flex;align-items:center;gap:28px;
 height:64px;
}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px;
 white-space:nowrap;
 transition:opacity .2s ease;
}
.logo:hover{opacity:.86;}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:32px;height:32px;border-radius:9px;
 background:linear-gradient(135deg,var(--sea) 0%,var(--aqua) 100%);
 color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:19px;height:19px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
 display:inline-flex;align-items:center;
 padding:8px 14px;min-height:38px;
 font-size:15px;color:rgba(255,255,255,.74);
 border-radius:var(--r-sm);
 transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.is-active{color:#fff;background:rgba(47,185,173,.16);box-shadow:inset 0 0 0 1px rgba(47,185,173,.45);}
.nav-cta{
 display:inline-flex;align-items:center;justify-content:center;
 height:38px;padding:0 18px;margin-left:8px;
 font-size:14px;font-weight:700;color:#20180a;
 background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
 border-radius:var(--r-sm);
 box-shadow:0 4px 14px rgba(242,177,60,.28);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,177,60,.38);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;margin-left:auto;border-radius:10px;
 color:#fff;background:rgba(255,255,255,.08);
}
.nav-toggle svg{width:20px;height:20px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:46px;padding:0 24px;
 font-size:15px;font-weight:700;border-radius:var(--r-sm);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn-gold{
 color:#20180a;
 background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
 box-shadow:0 8px 22px rgba(242,177,60,.3);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,177,60,.4);background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
 color:#eaf3fa;background:rgba(255,255,255,.06);
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-line{
 color:var(--sea);background:#fff;
 box-shadow:inset 0 0 0 1px #cfdfee;
}
.btn-line:hover{background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea);transform:translateY(-2px);}
/* ---------- 通用区块 ---------- */
.section{padding:76px 0;}
.section--alt{background:var(--paper);}
.section--dark{background:var(--ink);color:#dce8f2;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.4px;
 color:var(--sea);margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--aqua);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;display:inline-block;}
.section-title{font-size:clamp(23px,2.6vw,30px);line-height:1.35;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);}
.section--dark .section-desc{color:#a9c1d4;}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.3;filter:saturate(.85);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(900px 420px at 12% 0%,rgba(18,104,160,.55) 0%,rgba(8,24,39,0) 68%),
 linear-gradient(180deg,rgba(8,24,39,.78) 0%,rgba(8,24,39,.92) 62%,#081827 100%);
}
.hero-inner{position:relative;z-index:2;padding:54px 0 66px;}
.crumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:rgba(255,255,255,.55);margin-bottom:22px;
}
.crumb span{color:rgba(255,255,255,.82);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.hero-eyebrow{
 display:inline-block;font-size:13px;letter-spacing:2px;font-weight:700;
 color:var(--aqua);margin-bottom:16px;
}
.hero h1{
 font-size:clamp(26px,3.4vw,40px);
 line-height:1.3;
 font-weight:800;
 letter-spacing:.2px;
 margin-bottom:16px;
 color:#fff;
}
.hero-sub{
 font-size:16px;
 line-height:1.85;
 color:#b9cddf;
 max-width:560px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 26px;}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:6px 14px;font-size:13px;color:#cfe2f0;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;
 transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.hero-tags span:hover{background:rgba(47,185,173,.2);color:#fff;border-color:rgba(47,185,173,.5);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-cards{display:grid;grid-template-columns:1fr;gap:14px;}
.h-card{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r);
 padding:20px 20px 18px;
 backdrop-filter:blur(8px);
 transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.h-card:hover{transform:translateY(-3px);border-color:rgba(47,185,173,.5);background:rgba(255,255,255,.1);}
.h-card--main{
 background:linear-gradient(160deg,rgba(18,104,160,.5) 0%,rgba(8,24,39,.72) 100%);
 border-color:rgba(47,185,173,.42);
}
.h-card .h-kicker{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.2px;
 color:var(--gold);margin-bottom:10px;
}
.h-card h3{font-size:17px;font-weight:700;color:#fff;line-height:1.5;margin-bottom:8px;}
.h-card p{font-size:14px;line-height:1.75;color:#b8cbdd;}
.h-card--main h3{font-size:19px;}
.h-mini-rows{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.h-mini{
 background:rgba(8,24,39,.42);
 border:1px solid rgba(255,255,255,.1);
 border-radius:var(--r-sm);
 padding:10px 12px;
}
.h-mini b{display:block;font-size:16px;color:var(--gold);line-height:1.4;}
.h-mini span{font-size:12px;color:#a9c1d4;}
/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r);
 padding:24px 22px;
 box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe3f4;}
.stat b{
 display:block;font-size:32px;line-height:1.2;color:var(--sea);
 font-weight:800;letter-spacing:-.5px;
}
.stat h3{font-size:15px;font-weight:700;color:var(--ink);margin:8px 0 6px;}
.stat p{font-size:14px;color:var(--muted);line-height:1.75;}
/* ---------- 卡片栅格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r);
 padding:26px 24px;
 box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe3f4;}
.card-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:11px;
 background:var(--sea-soft);color:var(--sea);
 margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;}
.card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);line-height:1.8;}
.card .tagline{
 display:inline-flex;align-items:center;
 margin-top:16px;padding:4px 11px;
 font-size:12px;font-weight:700;color:var(--sea);
 background:var(--sea-soft);border-radius:999px;
}
/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:16px 18px;
 font-size:13px;color:#dbe9f4;
 background:linear-gradient(180deg,rgba(8,24,39,0) 0%,rgba(8,24,39,.86) 100%);
}
.route-list{display:grid;gap:14px;margin-top:26px;}
.route-item{
 display:grid;grid-template-columns:auto 1fr;gap:14px;
 background:#fff;border:1px solid var(--line);
 border-radius:var(--r);padding:16px 18px;
 box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.route-item:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#cfe3f4;}
.route-item .idx{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:var(--ink);color:var(--gold);
 font-size:14px;font-weight:800;
}
.route-item h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.route-item p{font-size:14px;color:var(--muted);line-height:1.75;}
/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.timeline::before{
 content:"";position:absolute;top:22px;left:6%;right:6%;height:2px;
 background:linear-gradient(90deg,rgba(18,104,160,.35),rgba(47,185,173,.55),rgba(242,177,60,.5));
 border-radius:2px;
}
.tl-item{position:relative;padding-top:56px;}
.tl-dot{
 position:absolute;top:8px;left:0;
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:50%;
 background:#fff;border:2px solid var(--sea);color:var(--sea);
 font-size:13px;font-weight:800;
}
.tl-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--muted);line-height:1.8;}
.tl-item .tl-time{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
 color:var(--gold-deep);margin-bottom:8px;
}
/* ---------- 错误列表 ---------- */
.pitfall{display:grid;gap:14px;}
.pitfall li{
 display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:18px 20px;box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pitfall li:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#f0d2a8;}
.pitfall .warn{
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:9px;
 background:#fdf3e3;color:var(--gold-deep);
 flex:0 0 auto;
}
.pitfall .warn svg{width:17px;height:17px;}
.pitfall h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.pitfall p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ---------- 对照表 ---------- */
.table-wrap{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;box-shadow:var(--sh-sm);
}
.grid-row{
 display:grid;grid-template-columns:1.1fr .9fr 1.6fr;
 gap:16px;padding:16px 22px;
 border-bottom:1px solid var(--line-soft);
 font-size:14.5px;color:var(--muted);line-height:1.75;
 transition:background .2s ease;
}
.grid-row:last-child{border-bottom:0;}
.grid-row:hover{background:#fafcff;}
.grid-row.head{
 background:var(--ink);color:#dbe9f4;
 font-size:13px;font-weight:700;letter-spacing:1px;
 border-bottom:0;
}
.grid-row b{color:var(--ink);font-weight:700;}
/* ---------- 演示图块 ---------- */
.showcase{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch;}
.showcase figure{
 margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;
 box-shadow:var(--sh);
}
.showcase img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.showcase figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:18px 20px;font-size:13.5px;color:#dbe9f4;line-height:1.7;
 background:linear-gradient(180deg,rgba(8,24,39,0) 0%,rgba(8,24,39,.9) 100%);
}
.showcase-notes{display:grid;gap:14px;}
.note{
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:18px 20px;box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.note:hover{transform:translateY(-3px);box-shadow:var(--sh);}
.note h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.note p{font-size:14px;color:var(--muted);line-height:1.75;}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px;}
.faq details{
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:18px 22px;box-shadow:var(--sh-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#cfe3f4;box-shadow:var(--sh);}
.faq summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
 content:"+";flex:0 0 auto;
 font-size:20px;font-weight:700;color:var(--sea);line-height:1;
 transition:transform .2s ease;
}
.faq details[open] summary::after{content:"−";}
.faq p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#0d2033 0%,#15364f 58%,#1268a0 100%);
 border-radius:var(--r-lg);
 padding:46px 44px;
 color:#fff;
 box-shadow:var(--sh-lg);
 display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;margin-bottom:12px;color:#fff;}
.cta-band p{font-size:15px;color:#b9cddf;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
/* ---------- 页脚 ---------- */
.site-footer{
 background:var(--ink);
 color:#a9c1d4;
 padding:56px 0 26px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
 padding-bottom:34px;
 border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#93a9bd;max-width:420px;}
.footer-col h4{
 font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;
 margin-bottom:14px;
}
.footer-col li{margin-bottom:9px;}
.footer-col a{
 font-size:14px;color:#9db3c7;
 transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;
 padding-top:22px;font-size:13px;color:#7f96ab;
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:#9db3c7;transition:color .2s ease;}
.fb-links a:hover{color:var(--gold);}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .hero-sub{max-width:none;}
 .hero-cards{grid-template-columns:1fr 1fr;}
 .h-card--main{grid-column:1 / -1;}
 .split{grid-template-columns:1fr;gap:32px;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .timeline{grid-template-columns:1fr;gap:30px;}
 .timeline::before{display:none;}
 .showcase{grid-template-columns:1fr;}
 .cta-band{grid-template-columns:1fr;padding:36px 28px;}
 .cta-actions{justify-content:flex-start;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .nav-menu{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:12px 16px 18px;
  background:#061320;
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 18px 30px rgba(3,14,26,.5);
  display:none;
 }
 .nav-menu.is-open{display:flex;}
 .nav-menu a{padding:12px 14px;min-height:44px;}
 .nav-cta{margin:8px 0 0;justify-content:center;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .hero-inner{padding:38px 0 50px;}
 .section-head{margin-bottom:28px;}
 .card-grid{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
 .hero-cards{grid-template-columns:1fr;}
 .grid-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
 .grid-row.head{display:none;}
 .grid-row b{font-size:15px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
 .stat-grid{grid-template-columns:1fr;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .hero-actions .btn{width:100%;}
 .cta-band{padding:28px 22px;}
 .showcase img{min-height:220px;}
 .timeline{grid-template-columns:1fr;}
 .route-item{grid-template-columns:1fr;gap:10px;}
 .pitfall li{grid-template-columns:1fr;gap:10px;}
}

/* roulang page: article */
:root{
 --ink:#081827;
 --ink-2:#0d2033;
 --ink-3:#15364f;
 --sea:#1268a0;
 --sea-soft:#e8f2f9;
 --aqua:#2fb9ad;
 --gold:#f2b13c;
 --gold-deep:#d9962a;
 --paper:#f5f8fc;
 --card:#ffffff;
 --text:#16283a;
 --muted:#63798f;
 --line:#e3ebf4;
 --line-soft:#eef3f9;
 --r-sm:8px;
 --r:12px;
 --r-lg:18px;
 --sh-sm:0 2px 8px rgba(10,32,54,.06);
 --sh:0 10px 28px rgba(10,32,54,.09);
 --sh-lg:0 18px 46px rgba(10,32,54,.16);
 --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:#ffffff;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,14,26,.42);background:#061320;}
.nav-wrap{
 position:relative;
 display:flex;align-items:center;gap:28px;
 height:64px;
}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px;
 white-space:nowrap;
 transition:opacity .2s ease;
}
.logo:hover{opacity:.86;}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:32px;height:32px;border-radius:9px;
 background:linear-gradient(135deg,var(--sea) 0%,var(--aqua) 100%);
 color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:19px;height:19px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
 display:inline-flex;align-items:center;
 padding:8px 14px;min-height:38px;
 font-size:15px;color:rgba(255,255,255,.74);
 border-radius:var(--r-sm);
 transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.is-active{color:#fff;background:rgba(47,185,173,.16);box-shadow:inset 0 0 0 1px rgba(47,185,173,.45);}
.nav-cta{
 display:inline-flex;align-items:center;justify-content:center;
 height:38px;padding:0 18px;margin-left:8px;
 font-size:14px;font-weight:700;color:#20180a;
 background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
 border-radius:var(--r-sm);
 box-shadow:0 4px 14px rgba(242,177,60,.28);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,177,60,.38);color:#20180a;}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;margin-left:auto;border-radius:10px;
 color:#fff;background:rgba(255,255,255,.08);
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:46px;padding:0 24px;
 font-size:15px;font-weight:700;border-radius:var(--r-sm);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;}
.btn-gold{
 color:#20180a;
 background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
 box-shadow:0 8px 22px rgba(242,177,60,.3);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,177,60,.4);background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
 color:#eaf3fa;background:rgba(255,255,255,.06);
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-line{
 color:var(--sea);background:#fff;
 box-shadow:inset 0 0 0 1px #cfdfee;
}
.btn-line:hover{background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea);transform:translateY(-2px);}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0;}
.section--alt{background:var(--paper);}
.section--dark{background:var(--ink);color:#dce8f2;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.4px;
 color:var(--sea);text-transform:uppercase;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--aqua);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;display:inline-block;}
.section-title{font-size:30px;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);}
.section--dark .section-desc{color:#a9c1d4;}

/* ---------- 文章头 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.article-hero .hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.26;filter:saturate(.8);
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(760px 380px at 14% 0%,rgba(18,104,160,.5) 0%,rgba(8,24,39,0) 70%),
 linear-gradient(180deg,rgba(8,24,39,.66) 0%,rgba(8,24,39,.9) 62%,#081827 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:52px 0 60px;}
.crumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:#9cb8ce;margin-bottom:20px;
}
.crumb span{color:#7f9bb2;}
.crumb em{font-style:normal;color:#cfe2f0;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:5px 13px;font-size:12.5px;font-weight:600;
 color:#d6ecf7;background:rgba(47,185,173,.16);
 border:1px solid rgba(47,185,173,.42);
 border-radius:999px;
}
.hero-tags span.tag-gold{color:#ffe0a6;background:rgba(242,177,60,.14);border-color:rgba(242,177,60,.44);}
.article-hero h1{
 font-size:clamp(26px,3.6vw,40px);
 line-height:1.28;
 color:#fff;
 letter-spacing:.4px;
 max-width:860px;
}
.article-lead{
 margin-top:16px;max-width:760px;
 font-size:15.5px;line-height:1.85;color:#b6cddf;
}
.hero-meta{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
 margin-top:24px;font-size:13.5px;color:#93b1c8;
}
.hero-meta b{color:#dceaf5;font-weight:600;}

/* ---------- 文章主体布局 ---------- */
.article-body-section{padding:56px 0 68px;background:#fff;}
.article-layout{
 display:grid;
 grid-template-columns:minmax(0,1fr) 322px;
 gap:34px;
 align-items:start;
}
.article-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r-lg);
 box-shadow:var(--sh-sm);
 padding:34px 36px 38px;
}
.article-cover{
 margin:0 0 28px;
 border-radius:var(--r);
 overflow:hidden;
 box-shadow:var(--sh-sm);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
 padding:10px 14px;font-size:12.5px;color:var(--muted);
 background:var(--line-soft);
}
.prose-intro{
 font-size:16px;line-height:1.88;color:#2b3f52;
 padding:16px 18px;margin-bottom:26px;
 background:var(--sea-soft);
 border-left:3px solid var(--sea);
 border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-prose{font-size:16px;line-height:1.88;color:#22374b;}
.article-prose p{margin:0 0 18px;}
.article-prose h2{
 position:relative;
 font-size:22px;margin:34px 0 14px;
 padding-left:14px;color:var(--ink);
}
.article-prose h2:first-child{margin-top:0;}
.article-prose h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
 border-radius:3px;background:linear-gradient(180deg,var(--sea),var(--aqua));
}
.article-prose h3{font-size:18px;margin:26px 0 10px;color:var(--sea);}
.article-prose h4{font-size:16px;margin:20px 0 8px;color:var(--ink-3);}
.article-prose ul,.article-prose ol{margin:0 0 20px;padding-left:22px;list-style:disc;}
.article-prose ol{list-style:decimal;}
.article-prose li{margin:8px 0;line-height:1.85;}
.article-prose a{color:var(--sea);border-bottom:1px solid rgba(18,104,160,.35);}
.article-prose a:hover{color:var(--gold-deep);border-color:var(--gold-deep);}
.article-prose img{border-radius:var(--r);margin:22px 0;box-shadow:var(--sh-sm);}
.article-prose blockquote{
 margin:22px 0;padding:16px 20px;
 background:var(--paper);
 border-left:3px solid var(--gold);
 border-radius:0 var(--r-sm) var(--r-sm) 0;
 color:#33495e;font-size:15.5px;
}
.article-prose strong{color:var(--ink);font-weight:700;}
.article-prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;}
.article-prose th,.article-prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-prose th{background:var(--line-soft);color:var(--ink);font-weight:700;}
.article-empty{
 text-align:center;padding:44px 20px;
 background:var(--paper);border-radius:var(--r);border:1px dashed #cfdfee;
}
.article-empty h2{font-size:22px;margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:86px;}
.side-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r-lg);
 box-shadow:var(--sh-sm);
 padding:22px 22px 24px;
 transition:box-shadow .2s ease,border-color .2s ease;
}
.side-card:hover{box-shadow:var(--sh);border-color:#d3e3f1;}
.side-card h3{
 display:flex;align-items:center;gap:9px;
 font-size:15.5px;margin-bottom:14px;color:var(--ink);
}
.side-card h3::before{
 content:"";width:8px;height:8px;border-radius:2px;
 background:var(--aqua);flex:0 0 auto;
}
.side-list li{
 position:relative;padding-left:18px;
 font-size:14px;line-height:1.8;color:#40566b;margin-bottom:10px;
}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{
 content:"";position:absolute;left:0;top:10px;
 width:6px;height:6px;border-radius:50%;
 background:var(--sea);opacity:.6;
}
.side-list b{color:var(--ink);font-weight:700;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags span{
 display:inline-flex;align-items:center;
 padding:5px 12px;font-size:12.5px;color:var(--sea);
 background:var(--sea-soft);border:1px solid #d5e6f3;border-radius:999px;
 transition:background .2s ease,color .2s ease;
}
.side-tags span:hover{background:#d9ebf7;color:var(--ink-3);}
.side-note{font-size:13.5px;line-height:1.8;color:var(--muted);}

/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r);
 box-shadow:var(--sh-sm);
 padding:24px 20px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe2f0;}
.stat-num{
 font-size:32px;font-weight:800;color:var(--sea);
 line-height:1.1;letter-spacing:-.5px;
}
.stat-num i{font-style:normal;font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.stat-card h3{font-size:15px;margin:10px 0 6px;}
.stat-card p{font-size:13.5px;line-height:1.75;color:var(--muted);}

/* ---------- 渔场对照表 ---------- */
.table-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r-lg);
 box-shadow:var(--sh-sm);
 overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.yuchang-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
.yuchang-table thead th{
 background:var(--ink-2);color:#dbe8f3;
 font-weight:700;font-size:13.5px;letter-spacing:.6px;
 text-align:left;padding:14px 18px;white-space:nowrap;
}
.yuchang-table tbody td{
 padding:15px 18px;border-top:1px solid var(--line-soft);
 color:#3a5064;line-height:1.75;vertical-align:top;
}
.yuchang-table tbody tr:hover{background:#f7fbff;}
.yuchang-table tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.pill{
 display:inline-block;padding:2px 10px;border-radius:999px;
 font-size:12.5px;font-weight:700;
 color:var(--sea);background:var(--sea-soft);border:1px solid #d5e6f3;
 white-space:nowrap;
}
.pill-gold{color:#8a5c00;background:#fdf3dc;border-color:#f4dfae;}

/* ---------- 炮台节奏（交错图文） ---------- */
.rhythm-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.rhythm-figure{
 border-radius:var(--r-lg);overflow:hidden;
 box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.12);
}
.rhythm-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rhythm-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.rhythm-item{
 display:flex;gap:16px;
 padding:16px 18px;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.1);
 border-radius:var(--r);
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.rhythm-item:hover{background:rgba(47,185,173,.12);border-color:rgba(47,185,173,.4);transform:translateY(-3px);}
.rhythm-idx{
 flex:0 0 auto;width:34px;height:34px;border-radius:10px;
 display:inline-flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;color:#0b1d2d;
 background:linear-gradient(180deg,#f7c463,var(--gold));
}
.rhythm-item h3{font-size:15.5px;color:#fff;margin-bottom:5px;}
.rhythm-item p{font-size:13.8px;line-height:1.8;color:#a9c1d4;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r);
 box-shadow:var(--sh-sm);
 overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9e0ef;box-shadow:var(--sh);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 20px;
 font-size:15.5px;font-weight:700;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;
 width:24px;height:24px;border-radius:50%;
 display:inline-flex;align-items:center;justify-content:center;
 font-size:16px;font-weight:700;color:var(--sea);
 background:var(--sea-soft);
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"–";background:#d9ebf7;transform:rotate(180deg);}
.faq-answer{padding:0 20px 18px;font-size:14.5px;line-height:1.85;color:#42586c;}

/* ---------- 分类入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.entry-card{
 display:block;position:relative;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--r-lg);
 box-shadow:var(--sh-sm);
 padding:26px 24px 24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#c9e0ef;}
.entry-ico{
 width:42px;height:42px;border-radius:12px;
 display:inline-flex;align-items:center;justify-content:center;
 color:#fff;margin-bottom:16px;
 background:linear-gradient(135deg,var(--sea),var(--aqua));
}
.entry-ico svg{width:21px;height:21px;}
.entry-card h3{font-size:17px;margin-bottom:8px;}
.entry-card p{font-size:14px;line-height:1.8;color:var(--muted);}
.entry-more{
 display:inline-flex;align-items:center;gap:6px;
 margin-top:16px;font-size:13.5px;font-weight:700;color:var(--sea);
}
.entry-card:hover .entry-more{color:var(--gold-deep);}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 background:var(--ink-2);
 border-radius:var(--r-lg);
 padding:40px 40px;
 display:flex;align-items:center;justify-content:space-between;gap:28px;
 box-shadow:var(--sh);
}
.cta-band::before{
 content:"";position:absolute;right:-60px;top:-60px;
 width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(47,185,173,.28),rgba(47,185,173,0) 70%);
}
.cta-band h2{position:relative;z-index:1;color:#fff;font-size:24px;margin-bottom:10px;}
.cta-band p{position:relative;z-index:1;color:#a9c1d4;font-size:14.5px;line-height:1.8;max-width:560px;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9fb8cc;margin-top:0;padding:56px 0 0;}
.footer-grid{
 display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;
 padding-bottom:36px;
 border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:#8fa9bd;max-width:460px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
 font-size:14px;color:#9fb8cc;
 transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--aqua);padding-left:4px;}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding:20px 0 24px;font-size:13px;color:#7895ab;
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:#8fa9bd;transition:color .2s ease;}
.fb-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:1fr;gap:26px;}
 .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
 .article-side .side-card{flex:1 1 260px;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .rhythm-grid{grid-template-columns:1fr;gap:28px;}
 .entry-grid{grid-template-columns:1fr 1fr;}
 .section{padding:60px 0;}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .nav-menu{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 20px;
  background:var(--ink-2);
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 34px rgba(3,14,26,.45);
  display:none;
 }
 .nav-menu.is-open{display:flex;}
 .nav-menu a{padding:12px 14px;min-height:44px;font-size:15px;}
 .nav-cta{margin-left:0;height:44px;}
 .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
}
@media (max-width:768px){
 .article-hero-inner{padding:40px 0 46px;}
 .article-card{padding:24px 20px 28px;}
 .article-prose{font-size:15.5px;}
 .section{padding:52px 0;}
 .section-title{font-size:25px;}
 .stat-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
 .entry-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .article-side{flex-direction:column;}
 .article-side .side-card{flex:1 1 auto;width:100%;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .logo{font-size:15.5px;}
 .logo-mark{width:29px;height:29px;}
 .article-hero h1{font-size:24px;}
 .hero-meta{gap:8px 16px;font-size:12.5px;}
 .stat-grid{grid-template-columns:1fr;}
 .stat-num{font-size:27px;}
 .btn{width:100%;height:44px;}
 .cta-actions{width:100%;}
 .cta-band h2{font-size:20px;}
 .faq-item summary{font-size:14.5px;padding:15px 16px;}
 .article-prose h2{font-size:19.5px;}
}

/* roulang page: category3 */
:root{
 --ink:#081827;
 --ink-2:#0d2033;
 --ink-3:#15364f;
 --sea:#1268a0;
 --sea-soft:#e8f2f9;
 --aqua:#2fb9ad;
 --gold:#f2b13c;
 --gold-deep:#d9962a;
 --paper:#f5f8fc;
 --card:#ffffff;
 --text:#16283a;
 --muted:#63798f;
 --line:#e3ebf4;
 --line-soft:#eef3f9;
 --r-sm:8px;
 --r:12px;
 --r-lg:18px;
 --sh-sm:0 2px 8px rgba(10,32,54,.06);
 --sh:0 10px 28px rgba(10,32,54,.09);
 --sh-lg:0 18px 46px rgba(10,32,54,.16);
 --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--sans);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:#ffffff;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.07);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,14,26,.42);background:#061320;}
.nav-wrap{position:relative;display:flex;align-items:center;gap:28px;height:64px;}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px;
 white-space:nowrap;transition:opacity .2s ease;
}
.logo:hover{opacity:.86;}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:32px;height:32px;border-radius:9px;
 background:linear-gradient(135deg,var(--sea) 0%,var(--aqua) 100%);
 color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:19px;height:19px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
 display:inline-flex;align-items:center;
 padding:8px 14px;min-height:38px;
 font-size:15px;color:rgba(255,255,255,.74);
 border-radius:var(--r-sm);
 transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.is-active{color:#fff;background:rgba(47,185,173,.16);box-shadow:inset 0 0 0 1px rgba(47,185,173,.45);}
.nav-cta{
 display:inline-flex;align-items:center;justify-content:center;
 height:38px;padding:0 18px;margin-left:8px;
 font-size:14px;font-weight:700;color:#20180a;
 background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);
 border-radius:var(--r-sm);
 box-shadow:0 4px 14px rgba(242,177,60,.28);
 transition:transform .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-menu a.nav-cta:hover{color:#20180a;background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,177,60,.38);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;margin-left:auto;border-radius:10px;
 color:#fff;background:rgba(255,255,255,.08);
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:46px;padding:0 24px;
 font-size:15px;font-weight:700;border-radius:var(--r-sm);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn-gold{color:#20180a;background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);box-shadow:0 8px 22px rgba(242,177,60,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,177,60,.4);background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);}
.btn-ghost{color:#eaf3fa;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-line{color:var(--sea);background:#fff;box-shadow:inset 0 0 0 1px #cfdfee;}
.btn-line:hover{background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea);transform:translateY(-2px);}

/* ---------- 通用区块 ---------- */
.section{padding:74px 0;}
.section--alt{background:var(--paper);}
.section--dark{background:var(--ink);color:#dce8f2;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.4px;
 color:var(--sea);margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--aqua);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;display:inline-block;}
.section-title{font-size:clamp(23px,2.4vw,30px);line-height:1.4;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--muted);}
.section--dark .section-desc{color:#a9c1d4;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.32;filter:saturate(.85);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(900px 420px at 12% 0%,rgba(18,104,160,.55) 0%,rgba(8,24,39,0) 68%),
 linear-gradient(180deg,rgba(8,24,39,.74) 0%,rgba(8,24,39,.92) 62%,#081827 100%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.18fr .82fr;gap:44px;align-items:center;
 padding:56px 0 66px;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:10px;
 font-size:13px;font-weight:700;letter-spacing:2px;color:var(--aqua);
 margin-bottom:16px;
}
.hero-eyebrow span{color:rgba(255,255,255,.5);font-weight:400;letter-spacing:0;}
.hero h1{
 font-size:clamp(27px,3.6vw,42px);
 line-height:1.32;font-weight:800;letter-spacing:-.4px;
 color:#fff;
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:#b8cddd;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:7px 15px;font-size:13.5px;color:#cfe2f0;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;
 transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.hero-tags span:hover{background:rgba(47,185,173,.2);color:#fff;border-color:rgba(47,185,173,.5);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-panel{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.15);
 border-radius:var(--r-lg);
 padding:24px 24px 18px;
 box-shadow:var(--sh-lg);
 backdrop-filter:blur(8px);
}
.hero-panel h2{font-size:14px;letter-spacing:1.4px;color:#9fc4dd;font-weight:700;margin-bottom:14px;}
.hp-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);}
.hp-row:last-child{border-bottom:0;padding-bottom:4px;}
.hp-k{font-size:14px;color:#a4bdd1;}
.hp-v{font-size:16px;font-weight:700;color:#fff;text-align:right;}
.hp-v em{font-style:normal;color:var(--gold);}
.hero-panel .hp-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:#8ba7bd;}

/* ---------- 版本对照表 ---------- */
.version-table{
 border:1px solid var(--line);border-radius:var(--r);
 overflow:hidden;background:#fff;box-shadow:var(--sh-sm);
}
.vt-row{
 display:grid;grid-template-columns:1.05fr .85fr .85fr 1.65fr;gap:18px;align-items:center;
 padding:16px 22px;font-size:15px;
 border-bottom:1px solid var(--line-soft);
 transition:background .2s ease;
}
.vt-row:last-child{border-bottom:0;}
.vt-row:hover{background:var(--sea-soft);}
.vt-head{background:var(--ink);color:#c2d8e8;font-size:13px;font-weight:700;letter-spacing:.6px;}
.vt-head:hover{background:var(--ink);}
.vt-name{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px;}
.vt-name i{font-style:normal;font-size:11px;font-weight:700;color:#0d6b62;background:#d9f3ef;border-radius:4px;padding:2px 7px;}
.vt-cell{color:var(--muted);font-size:14.5px;}
.vt-cell em{font-style:normal;display:none;color:var(--muted);}

/* ---------- 特性卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe0ef;}
.feature-card img{width:100%;height:200px;object-fit:cover;}
.fc-body{padding:22px 24px 26px;}
.fc-body h3{font-size:19px;line-height:1.45;color:var(--ink);margin-bottom:10px;}
.fc-body p{font-size:15px;line-height:1.8;color:var(--muted);}
.fc-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.fc-list li{
 font-size:12.5px;color:var(--sea);background:var(--sea-soft);
 border:1px solid #d5e7f3;border-radius:999px;padding:4px 12px;
}

/* ---------- 安装步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
 position:relative;padding:24px 22px 26px;background:#fff;
 border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#cfe0ef;}
.step::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:13px;font-weight:800;letter-spacing:1.4px;
 color:var(--sea);margin-bottom:12px;
}
.step h3{font-size:16.5px;line-height:1.5;color:var(--ink);margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--muted);}

/* ---------- 更新日志时间线 ---------- */
.timeline{position:relative;padding-left:30px;}
.timeline::before{
 content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
 background:linear-gradient(180deg,var(--sea),rgba(47,185,173,.18));
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:8px;width:10px;height:10px;
 border-radius:50%;background:#fff;border:3px solid var(--sea);
}
.tl-item h3{font-size:17px;color:var(--ink);margin-bottom:6px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tl-item h3 span{font-size:12px;font-weight:700;color:var(--sea);background:var(--sea-soft);border:1px solid #d5e7f3;border-radius:999px;padding:2px 10px;}
.tl-item p{font-size:14.5px;line-height:1.8;color:var(--muted);max-width:760px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
 border:1px solid var(--line);border-radius:var(--r);background:#fff;
 margin-bottom:12px;box-shadow:var(--sh-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfe0ef;box-shadow:var(--sh);}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:17px 54px 17px 22px;
 font-size:16px;font-weight:700;color:var(--ink);
 line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;
 width:11px;height:11px;margin-top:-7px;
 border-right:2px solid var(--sea);border-bottom:2px solid var(--sea);
 transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:-2px;}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 分类入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.entry-card{
 display:flex;flex-direction:column;gap:10px;
 padding:24px 24px 26px;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe0ef;background:#fbfdff;}
.entry-card .ec-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:40px;height:40px;border-radius:11px;
 background:var(--sea-soft);color:var(--sea);margin-bottom:4px;
}
.entry-card .ec-icon svg{width:20px;height:20px;}
.entry-card h3{font-size:18px;color:var(--ink);}
.entry-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.entry-card .ec-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--sea);display:inline-flex;align-items:center;gap:6px;}
.entry-card:hover .ec-more{gap:10px;}
.entry-card.is-current{border-color:#bfe2de;background:#f4fbfa;}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
 display:flex;flex-direction:column;gap:10px;
 padding:22px 22px 24px;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cfe0ef;}
.post-cat{
 align-self:flex-start;font-size:12px;font-weight:700;color:var(--sea);
 background:var(--sea-soft);border:1px solid #d5e7f3;border-radius:999px;padding:3px 11px;
}
.post-card h3{font-size:16.5px;line-height:1.6;color:var(--ink);}
.post-card p{font-size:14px;line-height:1.8;color:var(--muted);}
.post-date{font-size:12.5px;color:#8ba1b6;margin-top:auto;}
.post-empty{
 padding:38px 24px;text-align:center;font-size:15px;color:var(--muted);
 background:#fff;border:1px dashed #cfdded;border-radius:var(--r);
}
.list-more{display:flex;justify-content:center;margin-top:34px;}

/* ---------- 收口行动区 ---------- */
.closing{
 background:linear-gradient(135deg,var(--ink-2) 0%,var(--ink) 56%,#0a2a42 100%);
 color:#fff;border-radius:var(--r-lg);
 padding:42px 40px;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
 box-shadow:var(--sh);
}
.closing h2{font-size:clamp(20px,2.2vw,26px);line-height:1.45;color:#fff;}
.closing p{margin-top:10px;font-size:15px;line-height:1.8;color:#a9c1d4;max-width:640px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#b5cadb;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:40px;padding-bottom:36px;}
.footer-brand .logo{font-size:17px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8fa9bf;margin-top:16px;max-width:430px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#9db8cd;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;
 padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7e97ac;
}
.fb-links{display:flex;flex-wrap:wrap;gap:20px;}
.fb-links a{color:#9db8cd;transition:color .2s ease;}
.fb-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 56px;}
 .hero-panel{max-width:560px;}
 .steps{grid-template-columns:repeat(2,1fr);}
 .post-grid{grid-template-columns:repeat(2,1fr);}
 .section{padding:62px 0;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .nav-menu{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  margin:0;padding:12px 16px 18px;
  background:#061320;border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 18px 30px rgba(3,14,26,.45);
  display:none;
 }
 .nav-menu.is-open{display:flex;}
 .nav-menu a{padding:12px 14px;min-height:44px;}
 .nav-menu a.nav-cta{margin-left:0;justify-content:center;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
 .feature-grid{grid-template-columns:1fr;}
 .entry-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
 .vt-head{display:none;}
 .vt-row{display:flex;flex-direction:column;gap:6px;padding:16px 18px;}
 .vt-row .vt-cell{display:flex;gap:10px;font-size:14px;}
 .vt-row .vt-cell em{display:inline-block;min-width:42px;color:#8ba1b6;}
 .vt-cell{font-size:14px;}
 .closing{padding:32px 24px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .hero h1{font-size:26px;}
 .hero-sub{font-size:15px;}
 .hero-actions .btn{width:100%;}
 .steps{grid-template-columns:1fr;}
 .post-grid{grid-template-columns:1fr;}
 .section{padding:50px 0;}
 .section-title{font-size:21px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
 .faq-item summary{padding:15px 48px 15px 18px;font-size:15px;}
 .faq-body{padding:0 18px 18px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
 --ink:#081827;
 --ink-2:#0d2033;
 --ink-3:#15364f;
 --sea:#1268a0;
 --sea-soft:#e8f2f9;
 --aqua:#2fb9ad;
 --gold:#f2b13c;
 --gold-deep:#d9962a;
 --paper:#f5f8fc;
 --card:#ffffff;
 --text:#16283a;
 --muted:#63798f;
 --line:#e3ebf4;
 --line-soft:#eef3f9;
 --r-sm:8px;
 --r:12px;
 --r-lg:18px;
 --sh-sm:0 2px 8px rgba(10,32,54,.06);
 --sh:0 10px 28px rgba(10,32,54,.09);
 --sh-lg:0 18px 46px rgba(10,32,54,.16);
 --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.78;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(47,185,173,.6);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.07);transition:box-shadow .25s ease,background .25s ease;}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,14,26,.42);background:#061320;}
.nav-wrap{position:relative;display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap;transition:opacity .2s ease;}
.logo:hover{opacity:.86;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--sea) 0%,var(--aqua) 100%);color:#fff;flex:0 0 auto;}
.logo-mark svg{width:19px;height:19px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{display:inline-flex;align-items:center;padding:8px 14px;min-height:38px;font-size:15px;color:rgba(255,255,255,.74);border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.is-active{color:#fff;background:rgba(47,185,173,.16);box-shadow:inset 0 0 0 1px rgba(47,185,173,.45);}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;margin-left:8px;font-size:14px;font-weight:700;color:#20180a;background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);border-radius:var(--r-sm);box-shadow:0 4px 14px rgba(242,177,60,.28);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap;}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,177,60,.38);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;margin-left:auto;border-radius:10px;color:#fff;background:rgba(255,255,255,.08);}
.nav-toggle svg{width:20px;height:20px;}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;font-size:15px;font-weight:700;border-radius:var(--r-sm);transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap;}
.btn-gold{color:#20180a;background:linear-gradient(180deg,#f7c463 0%,var(--gold) 100%);box-shadow:0 8px 22px rgba(242,177,60,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,177,60,.4);background:linear-gradient(180deg,#ffcf74 0%,var(--gold-deep) 100%);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{color:#eaf3fa;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-line{color:var(--sea);background:#fff;box-shadow:inset 0 0 0 1px #cfdfee;}
.btn-line:hover{background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea);transform:translateY(-2px);}
/* ---------- 通用区块 ---------- */
.section{padding:74px 0;}
.section--alt{background:var(--paper);}
.section--dark{background:var(--ink);color:#dce8f2;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--sea);margin-bottom:12px;}
.section--dark .eyebrow{color:var(--aqua);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;display:inline-block;}
.section-title{font-size:30px;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);}
.section--dark .section-desc{color:#a9c1d4;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:36px;}
.head-row .section-head{margin-bottom:0;}
/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.cat-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;filter:saturate(.85);}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(820px 380px at 8% 0%,rgba(18,104,160,.55) 0%,rgba(8,24,39,0) 70%),linear-gradient(105deg,rgba(8,24,39,.95) 0%,rgba(8,24,39,.86) 55%,rgba(11,44,68,.74) 100%);}
.cat-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:64px 0 70px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8fadc5;margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:#8fadc5;transition:color .2s ease;}
.crumb a:hover{color:#fff;}
.crumb span{color:#5f7f99;}
.cat-hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;letter-spacing:-.3px;color:#fff;}
.cat-hero h1 em{font-style:normal;color:var(--gold);}
.cat-hero__lead{margin-top:18px;font-size:16px;line-height:1.85;color:#b9cddd;max-width:600px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-chips span{display:inline-flex;align-items:center;padding:7px 14px;font-size:13px;color:#d3e5f2;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:999px;transition:background .2s ease,border-color .2s ease,color .2s ease;}
.hero-chips span:hover{background:rgba(47,185,173,.2);border-color:rgba(47,185,173,.5);color:#fff;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(8px);box-shadow:0 20px 46px rgba(3,14,26,.4);}
.hero-panel h2{font-size:17px;color:#fff;}
.hero-panel p{font-size:13px;color:#9fb8cc;margin-top:8px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;}
.stat{background:rgba(8,24,39,.58);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:14px 10px;text-align:center;transition:border-color .2s ease,transform .2s ease;}
.stat:hover{border-color:rgba(242,177,60,.5);transform:translateY(-2px);}
.stat strong{display:block;font-size:21px;color:var(--gold);line-height:1.2;}
.stat span{display:block;margin-top:6px;font-size:12px;color:#96b0c5;}
.panel-note{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.16);font-size:13px;color:#9fb8cc;line-height:1.75;}
.panel-note b{color:#e6f1f8;font-weight:700;}
/* ---------- 档位卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tier-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cbe0f2;}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.tier-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--sea-soft);color:var(--sea);}
.tier-icon svg{width:21px;height:21px;}
.tier-range{font-size:13px;font-weight:700;color:var(--sea);background:var(--sea-soft);padding:5px 12px;border-radius:999px;}
.tier-card h3{font-size:19px;color:var(--ink);}
.tier-card p{margin-top:10px;font-size:15px;line-height:1.78;color:var(--muted);}
.tier-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-flex;align-items:center;font-size:12px;color:var(--ink-3);background:var(--line-soft);border:1px solid var(--line);padding:4px 10px;border-radius:999px;}
.tier-card--gold .tier-icon{background:#fdf1da;color:var(--gold-deep);}
.tier-card--gold .tier-range{background:#fdf1da;color:#a4701a;}
/* ---------- 鱼种卡 ---------- */
.fish-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.fish-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cbe0f2;}
.fish-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.fish-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.fish-body h3{font-size:17px;color:var(--ink);}
.fish-body p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);flex:1;}
.fish-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);}
.fish-score{font-size:13px;font-weight:700;color:var(--gold-deep);}
.fish-level{font-size:12px;color:var(--muted);}
/* ---------- 矩阵表 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--r);box-shadow:var(--sh-sm);}
.matrix{width:100%;min-width:660px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px;}
.matrix th{background:var(--ink-2);color:#e2eef7;text-align:left;padding:15px 18px;font-size:14px;font-weight:600;letter-spacing:.3px;}
.matrix td{padding:15px 18px;border-top:1px solid var(--line-soft);color:var(--text);vertical-align:top;line-height:1.7;}
.matrix tbody tr:nth-child(even){background:#fafcfe;}
.matrix tbody tr:hover{background:var(--sea-soft);}
.matrix td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.matrix strong{color:var(--sea);}
/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 24px 24px 74px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#cbe0f2;}
.step-num{position:absolute;left:22px;top:24px;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#0d2a3f;background:linear-gradient(180deg,#f7c463,#f2b13c);}
.step h3{font-size:17px;color:var(--ink);}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);}
/* ---------- 误判对照 ---------- */
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#cbe0f2;}
.compare-card h3{font-size:17px;color:var(--ink);display:flex;align-items:center;gap:9px;}
.badge{display:inline-flex;align-items:center;justify-content:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;}
.badge-warn{background:#fdecea;color:#b4442f;}
.badge-fix{background:#e6f6f2;color:#127a68;}
.compare-row{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:14px;line-height:1.75;color:var(--muted);}
.compare-row b{color:var(--ink);font-weight:700;}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cbe0f2;}
.news-card__link{display:flex;flex-direction:column;height:100%;padding:22px;}
.news-tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--sea);background:var(--sea-soft);padding:4px 11px;border-radius:999px;margin-bottom:14px;}
.news-card h3{font-size:16px;line-height:1.55;color:var(--ink);transition:color .2s ease;}
.news-card:hover h3{color:var(--sea);}
.news-card p{margin-top:10px;font-size:14px;line-height:1.72;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-date{display:block;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12px;color:#8ba0b5;}
.news-empty{padding:30px;text-align:center;font-size:15px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--r);}
/* ---------- 分类入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.entry-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#cbe0f2;}
.entry-card .entry-no{font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--aqua);}
.entry-card h3{margin-top:10px;font-size:19px;color:var(--ink);}
.entry-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);flex:1;}
.entry-more{margin-top:18px;font-size:14px;font-weight:700;color:var(--sea);display:inline-flex;align-items:center;gap:6px;}
.entry-card:hover .entry-more{color:var(--gold-deep);}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:960px;margin:0 auto;}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;}
.faq details[open]{border-color:#cbe0f2;box-shadow:var(--sh);}
.faq summary{list-style:none;cursor:pointer;padding:18px 24px;font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:48px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--sea);transition:transform .2s ease;flex:0 0 auto;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--muted);}
/* ---------- 收口 CTA ---------- */
.cta-wrap{padding:0 0 78px;}
.cta-band{position:relative;overflow:hidden;background:linear-gradient(118deg,#0a2438 0%,#12496b 58%,#0f5f78 100%);border-radius:var(--r-lg);padding:44px 44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;box-shadow:var(--sh-lg);}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(242,177,60,.22) 0%,rgba(242,177,60,0) 70%);}
.cta-band h2{position:relative;z-index:2;font-size:26px;color:#fff;max-width:620px;}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:15px;line-height:1.8;color:#b7cddd;max-width:620px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#a9c1d4;border-top:1px solid rgba(255,255,255,.08);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#8fa8bd;max-width:420px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#9db6cb;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold);padding-left:3px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7d95aa;}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:#9db6cb;transition:color .2s ease;}
.fb-links a:hover{color:var(--gold);}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .container{padding:0 18px;}
 .cat-hero__inner{grid-template-columns:1fr;gap:34px;padding:52px 0 58px;}
 .hero-panel{max-width:560px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .news-grid,.entry-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .footer-brand{grid-column:1 / -1;}
 .section{padding:64px 0;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .nav-menu{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:12px 16px 18px;background:#061320;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 18px 40px rgba(3,14,26,.5);display:none;}
 .nav-menu.is-open{display:flex;}
 .nav-menu a{padding:12px 14px;min-height:44px;font-size:15px;}
 .nav-cta{margin-left:0;justify-content:center;height:44px;}
 .nav-wrap{height:64px;}
 .grid-3,.grid-2,.steps{grid-template-columns:1fr;}
 .section-title{font-size:26px;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .cat-hero__inner{padding:44px 0 50px;}
 .cat-hero h1{font-size:28px;}
 .cat-hero__lead{font-size:15px;}
 .hero-actions .btn{flex:1 1 100%;}
 .stat-row{grid-template-columns:1fr;}
 .news-grid,.entry-grid,.grid-4{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .cta-band{padding:32px 24px;}
 .cta-band h2{font-size:22px;}
 .cta-actions{width:100%;}
 .cta-actions .btn{flex:1 1 100%;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
 .logo{font-size:15px;}
 .logo-mark{width:29px;height:29px;}
 .section-title{font-size:23px;}
 .tier-card,.fish-body,.entry-card,.compare-card{padding-left:18px;padding-right:18px;}
 .step{padding:20px 18px 20px 66px;}
 .step-num{left:18px;top:20px;width:32px;height:32px;font-size:14px;}
 .faq summary{padding:16px 18px;font-size:15px;}
 .faq-body{padding:0 18px 18px;}
 .hero-chips span{font-size:12px;padding:6px 12px;}
 .matrix th,.matrix td{padding:12px 14px;font-size:14px;}
}