/* roulang page: index */
:root{
  --bg-deep:#04091a;
  --bg-base:#071026;
  --bg-soft:#0b1830;
  --panel:rgba(20,38,72,.55);
  --panel-strong:rgba(17,33,64,.92);
  --line:rgba(98,152,232,.2);
  --line-bright:rgba(120,190,255,.5);
  --text:#e9f2ff;
  --text-soft:#a9bfdd;
  --text-dim:#7b91b2;
  --blue:#2f7cf6;
  --cyan:#3ad4ff;
  --gold:#ffb733;
  --ok:#31d0a5;
  --radius-lg:18px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-1:0 8px 24px rgba(2,8,26,.45);
  --shadow-2:0 18px 46px rgba(3,14,44,.62);
  --glow:0 0 18px rgba(58,212,255,.45);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(47,124,246,.22), transparent 62%),
    radial-gradient(900px 520px at 88% 4%, rgba(58,212,255,.14), transparent 60%),
    var(--bg-deep);
  min-height:100vh;
  overflow-wrap:break-word;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font-family:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(6,14,32,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(90,150,230,.14);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(1,6,20,.62);background:rgba(6,14,32,.93);}
.header-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;color:#0a1630;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:var(--glow);
}
.brand-text{font-size:16px;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:14px;color:var(--text-soft);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(58,130,246,.16);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{color:#fff;background:rgba(47,124,246,.2);box-shadow:inset 0 0 0 1px rgba(90,170,255,.35);}
.header-cta{margin-left:8px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;min-height:42px;border-radius:9px;
  font-size:14px;font-weight:600;line-height:1;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);box-shadow:0 8px 24px rgba(47,124,246,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(58,212,255,.55);}
.btn-primary:focus-visible{outline:3px solid rgba(92,224,255,.6);outline-offset:2px;}
.btn-ghost{color:var(--text);background:rgba(20,40,74,.5);border-color:rgba(110,170,255,.32);}
.btn-ghost:hover{background:rgba(30,58,104,.72);border-color:rgba(140,200,255,.62);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(120,190,255,.5);outline-offset:2px;}
.btn-glow{box-shadow:0 8px 24px rgba(47,124,246,.45),inset 0 0 0 1px rgba(150,225,255,.38);}
.btn-sm{min-height:36px;padding:0 16px;font-size:13px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 74px;background:var(--bg-base);}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(4,9,26,.97) 10%,rgba(4,9,26,.82) 50%,rgba(4,9,26,.55) 100%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;color:#9fdcff;
  background:rgba(47,124,246,.16);
  border:1px solid rgba(110,190,255,.3);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.hero h1{
  margin:18px 0 0;
  font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(120deg,#ffffff 28%,#8fd6ff 78%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:var(--text-soft);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  padding:7px 15px;border-radius:999px;font-size:12.5px;color:#a8c6ea;
  background:rgba(20,40,74,.6);border:1px solid rgba(100,165,240,.24);
}

/* 直播预告卡 */
.live-card{
  position:relative;padding:20px;border-radius:var(--radius-lg);
  background:rgba(16,32,62,.66);
  border:1px solid rgba(110,180,255,.28);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-2);
}
.live-cover{
  position:relative;height:168px;border-radius:var(--radius);overflow:hidden;
  background-size:cover;background-position:center;
}
.live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,14,32,.1),rgba(6,14,32,.82));}
.live-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:#04101f;background:linear-gradient(135deg,#ffd166,#ffb733);
  box-shadow:0 6px 18px rgba(255,183,51,.4);
}
.live-title{margin-top:16px;font-size:16.5px;font-weight:700;line-height:1.5;}
.live-sub{margin-top:6px;font-size:13px;color:var(--text-dim);}
.countdown{display:flex;gap:10px;margin-top:16px;}
.cd-unit{
  flex:1;text-align:center;padding:10px 6px;border-radius:10px;
  background:rgba(9,20,44,.85);border:1px solid rgba(96,160,240,.22);
}
.cd-num{
  display:block;font-size:21px;font-weight:800;letter-spacing:1px;
  color:#7fe0ff;text-shadow:0 0 16px rgba(58,212,255,.5);
  font-variant-numeric:tabular-nums;
}
.cd-label{display:block;margin-top:2px;font-size:11.5px;color:var(--text-dim);}
.subscribe-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.subscribe-form input{
  flex:1 1 150px;min-width:0;height:42px;padding:0 14px;border-radius:9px;
  font-size:13.5px;color:var(--text);
  background:rgba(8,18,40,.9);border:1px solid rgba(96,160,240,.26);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe-form input::placeholder{color:#64799b;}
.subscribe-form input:focus{outline:none;border-color:rgba(120,200,255,.7);box-shadow:0 0 0 3px rgba(47,124,246,.22);}
.form-tip{flex:1 1 100%;font-size:12.5px;color:var(--ok);min-height:18px;opacity:0;transition:opacity var(--ease);}
.form-tip.is-on{opacity:1;}

/* ---------- 通用板块 ---------- */
.section{padding:74px 0;position:relative;}
.section--soft{
  background:linear-gradient(180deg,rgba(12,26,52,.8),rgba(7,16,38,.25));
  border-top:1px solid rgba(90,150,230,.1);
  border-bottom:1px solid rgba(90,150,230,.1);
}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:1.4px;color:#7fc9ff;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-head.is-center .section-kicker::before{display:none;}
.section-title{margin-top:12px;font-size:28px;line-height:1.4;font-weight:800;letter-spacing:-.3px;}
.section-desc{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-soft);}

/* ---------- 网格 ---------- */
.f-cols{display:flex;flex-wrap:wrap;gap:22px;max-width:none;margin:0;}
.f-cols > .columns{float:none;width:auto;flex:1 1 300px;min-width:0;padding:0;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}

/* ---------- 卡片 ---------- */
.card{
  position:relative;height:100%;padding:24px;border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-bright);background:rgba(26,48,90,.66);}
.card-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  color:#8fe3ff;background:rgba(47,124,246,.18);
  border:1px solid rgba(110,190,255,.3);
}
.card h3{font-size:17px;font-weight:700;line-height:1.5;}
.card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-soft);}
.card .tag-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  padding:4px 11px;border-radius:999px;font-size:11.5px;letter-spacing:.3px;
  color:#9fd8ff;background:rgba(47,124,246,.14);border:1px solid rgba(100,175,245,.26);
}
.tag.tag-gold{color:#ffd485;background:rgba(255,183,51,.12);border-color:rgba(255,183,51,.32);}
.tag.tag-ok{color:#7ff0cd;background:rgba(49,208,165,.12);border-color:rgba(49,208,165,.32);}

/* 速览 */
.summary-band{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:start;}
.summary-list{counter-reset:sum;}
.summary-item{
  display:flex;gap:16px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(18,36,68,.5);border:1px solid rgba(96,152,224,.18);
  transition:border-color var(--ease),background var(--ease);
}
.summary-item + .summary-item{margin-top:12px;}
.summary-item:hover{border-color:rgba(120,190,255,.45);background:rgba(24,46,86,.66);}
.summary-item::before{
  counter-increment:sum;content:counter(sum,decimal-leading-zero);
  font-size:13px;font-weight:800;color:#5ce0ff;letter-spacing:1px;flex:0 0 auto;padding-top:2px;
}
.summary-item p{font-size:14px;line-height:1.75;color:var(--text-soft);margin:0;}

/* 优惠阶梯 */
.ladder{display:grid;gap:14px;}
.ladder-row{
  display:grid;grid-template-columns:170px minmax(0,1fr) 130px;gap:20px;align-items:center;
  padding:20px 24px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.5);border:1px solid rgba(96,152,224,.18);
  transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.ladder-row:hover{transform:translateX(4px);border-color:rgba(120,190,255,.45);background:rgba(24,46,86,.7);box-shadow:var(--shadow-1);}
.ladder-tier{font-size:15.5px;font-weight:700;color:#bfe4ff;}
.ladder-tier span{display:block;margin-top:4px;font-size:12px;font-weight:400;color:var(--text-dim);}
.ladder-desc{font-size:14px;line-height:1.7;color:var(--text-soft);}
.ladder-state{justify-self:end;}

/* 套餐对比 */
.plan{
  position:relative;height:100%;padding:28px 24px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.5);border:1px solid rgba(96,152,224,.2);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(120,190,255,.5);box-shadow:var(--shadow-2);}
.plan.is-hot{
  background:linear-gradient(165deg,rgba(47,124,246,.24),rgba(16,32,62,.72));
  border-color:rgba(120,200,255,.6);
  box-shadow:0 18px 46px rgba(30,90,190,.34),inset 0 0 0 1px rgba(150,225,255,.24);
}
.plan-hot-flag{
  position:absolute;right:18px;top:-13px;
  padding:4px 13px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.5px;
  color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);
  box-shadow:0 8px 20px rgba(47,124,246,.45);
}
.plan h3{font-size:19px;font-weight:800;}
.plan-price{margin-top:8px;font-size:13px;color:var(--text-dim);}
.plan-price b{font-size:26px;color:#8fe3ff;font-weight:800;margin-right:4px;font-variant-numeric:tabular-nums;}
.feat-list{margin:20px 0 24px;display:grid;gap:11px;}
.feat-list li{display:flex;gap:10px;font-size:13.8px;line-height:1.65;color:var(--text-soft);}
.feat-list li svg{flex:0 0 auto;margin-top:4px;color:var(--ok);}
.plan .btn{margin-top:auto;width:100%;}

/* 限时入口 */
.entry-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.entry-card{
  padding:22px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.52);border:1px solid rgba(96,152,224,.2);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(120,190,255,.5);box-shadow:var(--shadow-2);}
.entry-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.entry-name{font-size:15.5px;font-weight:700;}
.status{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:11.5px;font-weight:600;
}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.status.ok{color:#7ff0cd;background:rgba(49,208,165,.13);border:1px solid rgba(49,208,165,.34);}
.status.wait{color:#ffd485;background:rgba(255,183,51,.12);border:1px solid rgba(255,183,51,.32);}
.status.closed{color:#9aa8bd;background:rgba(140,160,190,.12);border:1px solid rgba(140,160,190,.26);}
.entry-card p{margin-top:12px;font-size:13.6px;line-height:1.75;color:var(--text-soft);}
.entry-meta{margin-top:14px;font-size:12px;color:var(--text-dim);display:flex;gap:14px;flex-wrap:wrap;}

/* 爆款清单 */
.hot-split{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:38px;align-items:start;}
.hot-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(110,175,245,.26);box-shadow:var(--shadow-2);}
.hot-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hot-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  font-size:13px;color:#d6e8ff;background:linear-gradient(180deg,transparent,rgba(4,10,26,.92));
}
.hot-list{display:grid;gap:12px;}
.hot-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:start;
  padding:18px 20px;border-radius:var(--radius);
  background:rgba(18,36,68,.48);border:1px solid rgba(96,152,224,.18);
  transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.hot-item:hover{border-color:rgba(120,190,255,.48);background:rgba(24,46,86,.7);transform:translateX(3px);}
.hot-rank{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;font-size:14px;font-weight:800;
  color:#8fe3ff;background:rgba(47,124,246,.18);border:1px solid rgba(110,190,255,.3);
  font-variant-numeric:tabular-nums;
}
.hot-item h3{font-size:15px;font-weight:700;}
.hot-item p{margin-top:6px;font-size:13.4px;line-height:1.7;color:var(--text-soft);}

/* 三步 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;position:relative;}
.step{
  position:relative;padding:26px 24px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.5);border:1px solid rgba(96,152,224,.2);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(120,190,255,.5);box-shadow:var(--shadow-2);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;font-size:14px;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);
  box-shadow:0 6px 18px rgba(47,124,246,.42);margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:700;}
.step p{margin-top:9px;font-size:13.8px;line-height:1.75;color:var(--text-soft);}

/* 评价墙 */
.quote-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.quote{
  padding:24px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.48);border:1px solid rgba(96,152,224,.18);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.quote:hover{transform:translateY(-4px);border-color:rgba(120,190,255,.48);box-shadow:var(--shadow-2);}
.quote-text{font-size:14.4px;line-height:1.85;color:#cfe2fa;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#04101f;
  background:linear-gradient(135deg,#8fe3ff,#3a8cf6);
}
.quote-user strong{display:block;font-size:13.5px;font-weight:700;}
.quote-user span{display:block;font-size:12px;color:var(--text-dim);}

/* 保障条 */
.guard-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.guard{
  display:flex;gap:14px;align-items:flex-start;padding:20px;
  border-radius:var(--radius);
  background:rgba(15,30,60,.6);border:1px solid rgba(96,152,224,.18);
  transition:border-color var(--ease),background var(--ease);
}
.guard:hover{border-color:rgba(120,190,255,.45);background:rgba(22,44,84,.72);}
.guard svg{flex:0 0 auto;color:#7fe0ff;margin-top:2px;}
.guard strong{display:block;font-size:14px;font-weight:700;}
.guard span{display:block;margin-top:4px;font-size:12.8px;line-height:1.6;color:var(--text-dim);}

/* 数据指标 */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(96,152,224,.18);
  border:1px solid rgba(96,152,224,.22);
}
.metric{
  padding:28px 22px;text-align:center;
  background:rgba(10,22,46,.92);
  transition:background var(--ease);
}
.metric:hover{background:rgba(18,38,76,.96);}
.metric b{
  display:block;font-size:32px;font-weight:800;letter-spacing:-.5px;
  color:#8fe3ff;font-variant-numeric:tabular-nums;
  text-shadow:0 0 22px rgba(58,212,255,.35);
}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--text-dim);}

/* 分类入口 */
.channel{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(18,36,68,.5);border:1px solid rgba(96,152,224,.2);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.channel:hover{transform:translateY(-4px);border-color:rgba(120,190,255,.55);box-shadow:var(--shadow-2);}
.channel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.channel:hover .channel-thumb img{transform:scale(1.05);}
.channel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,14,32,.05),rgba(6,14,32,.7));}
.channel-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.channel-body h3{font-size:17px;font-weight:700;}
.channel-body p{margin-top:9px;font-size:13.6px;line-height:1.75;color:var(--text-soft);}
.channel-more{margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:#7fe0ff;display:inline-flex;align-items:center;gap:6px;}
.channel:hover .channel-more{color:#b6f0ff;}

/* 资讯 */
.news-split{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.72fr);gap:34px;align-items:start;}
.news-list{display:grid;gap:14px;}
.news-item{
  display:block;padding:22px;border-radius:var(--radius-lg);
  background:rgba(18,36,68,.48);border:1px solid rgba(96,152,224,.18);
  transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(120,190,255,.5);background:rgba(24,46,86,.7);box-shadow:var(--shadow-1);}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-dim);}
.news-meta em{font-style:normal;color:#8fd6ff;}
.news-item h3{margin-top:9px;font-size:16px;font-weight:700;line-height:1.55;}
.news-item p{margin-top:8px;font-size:13.6px;line-height:1.75;color:var(--text-soft);}
.side-panel{
  padding:24px;border-radius:var(--radius-lg);
  background:rgba(15,30,60,.7);border:1px solid rgba(96,152,224,.22);
}
.side-panel h3{font-size:15.5px;font-weight:700;}
.side-list{margin-top:16px;display:grid;gap:12px;}
.side-list a{
  display:block;padding:12px 14px;border-radius:var(--radius-sm);
  font-size:13.4px;line-height:1.65;color:var(--text-soft);
  background:rgba(9,20,44,.7);border:1px solid rgba(96,152,224,.16);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.side-list a:hover{color:#dff1ff;border-color:rgba(120,190,255,.5);background:rgba(20,42,82,.8);}
.news-empty{
  padding:28px;border-radius:var(--radius);text-align:center;
  font-size:14px;color:var(--text-dim);
  background:rgba(15,30,60,.6);border:1px dashed rgba(96,152,224,.3);
}

/* 版本更新 */
.changelog{display:grid;gap:0;border-left:1px solid rgba(96,152,224,.24);padding-left:26px;}
.log-item{position:relative;padding-bottom:26px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:"";position:absolute;left:-32px;top:6px;
  width:10px;height:10px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px rgba(58,212,255,.7);
}
.log-ver{font-size:13px;font-weight:700;color:#8fe3ff;letter-spacing:.5px;}
.log-item h3{margin-top:6px;font-size:15.5px;font-weight:700;}
.log-item p{margin-top:7px;font-size:13.6px;line-height:1.75;color:var(--text-soft);}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;padding:56px 0;
  background:linear-gradient(120deg,rgba(47,124,246,.26),rgba(8,20,46,.92) 58%,rgba(58,212,255,.16));
  border-top:1px solid rgba(110,190,255,.24);
  border-bottom:1px solid rgba(110,190,255,.24);
}
.cta-inner{
  position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:36px;align-items:center;
}
.cta-inner h2{font-size:28px;line-height:1.42;font-weight:800;letter-spacing:-.3px;}
.cta-inner p{margin-top:14px;font-size:14.5px;line-height:1.85;color:var(--text-soft);max-width:640px;}
.cta-action{display:flex;flex-direction:column;gap:12px;align-items:flex-start;justify-self:end;}
.cta-note{font-size:12.5px;color:var(--text-dim);}

/* ---------- 页脚 ---------- */
.site-footer{
  padding:60px 0 34px;
  background:rgba(4,10,26,.9);
  border-top:1px solid rgba(90,150,230,.16);
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);gap:44px;}
.footer-brand p{margin-top:16px;font-size:13.6px;line-height:1.8;color:var(--text-dim);max-width:400px;}
.footer-col h3{font-size:13.5px;font-weight:700;color:#bcd8f7;letter-spacing:1px;}
.footer-col ul{margin-top:16px;display:grid;gap:10px;}
.footer-col a{font-size:13.4px;color:var(--text-dim);transition:color var(--ease);}
.footer-col a:hover{color:#8fe3ff;}
.footer-col a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(90,150,230,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#66799a;
}

/* ---------- 移动端底部 Tab ---------- */
.tab-bar{display:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hero h1{font-size:34px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .summary-band{grid-template-columns:1fr;gap:28px;}
  .hot-split{grid-template-columns:1fr;gap:28px;}
  .news-split{grid-template-columns:1fr;gap:26px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-action{justify-self:start;}
  .guard-bar,.metric-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ladder-row{grid-template-columns:150px minmax(0,1fr);}
  .ladder-state{grid-column:2;justify-self:start;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:900px){
  .desktop-nav{display:none;}
  .header-cta{margin-left:auto;}
  .tab-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;
    padding:6px 8px calc(6px + env(safe-area-inset-bottom));
    background:rgba(6,14,32,.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-top:1px solid rgba(90,150,230,.22);
    box-shadow:0 -10px 28px rgba(1,6,20,.6);
  }
  .tab-item{
    flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:4px;min-height:48px;padding:4px 2px;border-radius:10px;
    font-size:11.5px;color:#8198b8;transition:color var(--ease),background var(--ease);
  }
  .tab-item svg{width:20px;height:20px;}
  .tab-item.is-active{color:#8fe3ff;background:rgba(47,124,246,.16);}
  body{padding-bottom:70px;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:23px;}
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:28px;line-height:1.34;}
  .entry-rail{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .quote-wall{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .f-cols > .columns{flex:1 1 100%;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:24px;}
  .section-title{font-size:21px;}
  .brand-text{font-size:14.5px;}
  .metric b{font-size:26px;}
  .guard-bar,.metric-bar{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .ladder-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .ladder-state{grid-column:1;justify-self:start;}
  .subscribe-form{flex-direction:column;align-items:stretch;}
  .subscribe-form .btn{width:100%;}
  .card{padding:20px;}
  .btn{min-height:44px;}
}

/* roulang page: article */
:root{
 --bg-deep:#04091a;
 --bg-base:#071026;
 --bg-soft:#0b1830;
 --panel:rgba(20,38,72,.55);
 --panel-strong:rgba(17,33,64,.92);
 --line:rgba(98,152,232,.2);
 --line-bright:rgba(120,190,255,.5);
 --text:#e9f2ff;
 --text-soft:#a9bfdd;
 --text-dim:#7b91b2;
 --blue:#2f7cf6;
 --cyan:#3ad4ff;
 --gold:#ffb733;
 --ok:#31d0a5;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 8px 24px rgba(2,8,26,.45);
 --shadow-2:0 18px 46px rgba(3,14,44,.62);
 --glow:0 0 18px rgba(58,212,255,.45);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%, rgba(47,124,246,.22), transparent 62%),
 radial-gradient(900px 520px at 88% 4%, rgba(58,212,255,.14), transparent 60%),
 var(--bg-deep);
 min-height:100vh;
 overflow-wrap:break-word;
}
h1,h2,h3,h4{margin:0;line-height:1.36;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;height:auto;}
button,input{font-family:inherit;}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
/* ---------- 页头 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(6,14,32,.74);
 -webkit-backdrop-filter:blur(16px);
 backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(90,150,230,.14);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(1,6,20,.62);background:rgba(6,14,32,.93);}
.header-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;color:#0a1630;
 background:linear-gradient(135deg,var(--cyan),var(--blue));
 box-shadow:var(--glow);
}
.brand-text{font-size:16px;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-block;padding:8px 14px;border-radius:8px;
 font-size:14px;color:var(--text-soft);
 transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(58,130,246,.16);}
.nav-link.is-active{color:#fff;background:rgba(47,124,246,.2);box-shadow:inset 0 0 0 1px rgba(90,170,255,.35);}
.header-cta{margin-left:8px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:0 22px;min-height:42px;border-radius:9px;
 font-size:14px;font-weight:600;line-height:1;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);box-shadow:0 8px 24px rgba(47,124,246,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(58,212,255,.55);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{color:var(--text);background:rgba(20,40,74,.5);border-color:rgba(110,170,255,.32);}
.btn-ghost:hover{background:rgba(30,58,104,.72);border-color:rgba(140,200,255,.62);transform:translateY(-2px);}
.btn-glow{box-shadow:0 8px 24px rgba(47,124,246,.45),inset 0 0 0 1px rgba(150,225,255,.38);}
.btn-sm{min-height:36px;padding:0 16px;font-size:13px;}
/* ---------- 页头信息区 ---------- */
.page-head{
 position:relative;
 padding:38px 0 34px;
 background:linear-gradient(180deg,rgba(11,24,48,.9) 0%,rgba(7,16,38,.35) 72%,rgba(7,16,38,0) 100%);
 border-bottom:1px solid rgba(90,150,230,.1);
}
.page-head::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(720px 260px at 18% 0%, rgba(58,212,255,.12), transparent 70%);
}
.page-head .container{position:relative;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);}
.breadcrumb a{color:var(--text-soft);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{color:var(--text-dim);}
.post-flag{
 display:inline-flex;align-items:center;gap:8px;margin-top:20px;
 padding:5px 13px;border-radius:999px;font-size:12.5px;letter-spacing:.5px;
 color:#a6e3ff;background:rgba(47,124,246,.16);border:1px solid rgba(110,190,255,.3);
}
.post-flag .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.page-head h1{
 margin-top:16px;
 font-size:34px;line-height:1.34;letter-spacing:-.4px;
 background:linear-gradient(120deg,#ffffff 30%,#9adcff 84%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:13px;color:var(--text-dim);}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row .tag{
 padding:3px 11px;border-radius:999px;font-size:12px;color:#b8d5f7;
 background:rgba(20,40,74,.72);border:1px solid rgba(100,165,240,.24);
}
/* ---------- 文章布局 ---------- */
.article-section{padding:8px 0 12px;}
.article-layout{
 display:grid;
 grid-template-columns:minmax(0,1fr) 316px;
 gap:32px;
 align-items:start;
 padding-top:34px;padding-bottom:44px;
}
.article-body{
 max-width:760px;
 padding:34px 36px 38px;
 border-radius:var(--radius-lg);
 background:var(--panel);
 border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body h2{
 font-size:21px;margin:34px 0 14px;padding-left:14px;
 border-left:3px solid var(--cyan);color:#f2f8ff;
}
.article-body h3{font-size:17.5px;margin:26px 0 10px;color:#dbe9ff;}
.article-body h4{font-size:15.5px;margin:20px 0 8px;color:#cfe1fa;}
.article-body p{margin:0 0 16px;font-size:15.5px;line-height:1.85;color:var(--text-soft);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:revert;}
.article-body li{margin-bottom:8px;font-size:15.5px;line-height:1.8;color:var(--text-soft);}
.article-body strong{color:#ffffff;font-weight:700;}
.article-body em{color:var(--gold);font-style:normal;}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(58,212,255,.5);transition:color var(--ease),border-color var(--ease);}
.article-body a:hover{color:#a6e9ff;border-color:#a6e9ff;}
.article-body img{border-radius:12px;margin:22px 0;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;font-size:15px;color:#e8dcbd;
 border-left:3px solid var(--gold);border-radius:0 12px 12px 0;
 background:rgba(255,183,51,.08);
}
.article-body blockquote p{color:inherit;margin:0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;color:var(--text-soft);}
.article-body th{background:rgba(47,124,246,.18);color:#fff;font-weight:600;}
.article-body code{
 padding:2px 7px;border-radius:6px;font-size:13px;
 color:#a6e9ff;background:rgba(8,18,40,.92);border:1px solid rgba(90,150,230,.24);
}
.empty-state{text-align:center;padding:40px 10px 26px;}
.empty-state h2{font-size:22px;border:0;padding:0;margin:0 0 12px;color:#fff;}
.empty-state p{color:var(--text-dim);margin-bottom:24px;}
/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:84px;display:grid;gap:18px;}
.side-card{
 padding:20px;
 border-radius:var(--radius);
 background:var(--panel-strong);
 border:1px solid var(--line);
 box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;color:#eaf3ff;display:flex;align-items:center;gap:9px;}
.side-card h3::before{
 content:"";width:7px;height:7px;border-radius:2px;
 background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:var(--glow);
}
.side-list{margin-top:14px;display:grid;gap:12px;}
.side-list li{
 display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:var(--text-soft);
 padding-bottom:12px;border-bottom:1px dashed rgba(98,152,232,.16);
}
.side-list li:last-child{padding-bottom:0;border-bottom:0;}
.side-list .num{
 flex:0 0 auto;width:20px;height:20px;margin-top:2px;
 display:inline-flex;align-items:center;justify-content:center;
 font-size:11.5px;font-weight:700;color:#04101f;border-radius:6px;
 background:linear-gradient(135deg,#5ce0ff,#2f7cf6);
}
.side-thumb{
 border-radius:var(--radius);
 overflow:hidden;
 border:1px solid var(--line);
 background:var(--panel-strong);
 box-shadow:var(--shadow-1);
 transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.side-thumb:hover{transform:translateY(-3px);border-color:var(--line-bright);box-shadow:var(--shadow-2);}
.side-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.side-thumb .cap{padding:14px 16px;font-size:13.5px;line-height:1.7;color:var(--text-soft);}
.side-links{display:grid;gap:10px;margin-top:14px;}
.side-links a{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:9px 12px;border-radius:9px;font-size:13.5px;color:var(--text-soft);
 background:rgba(20,40,74,.5);border:1px solid rgba(100,165,240,.18);
 transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.side-links a:hover{color:#fff;background:rgba(38,74,132,.7);border-color:rgba(120,190,255,.5);transform:translateX(3px);}
.side-links .arrow{color:var(--cyan);font-size:13px;}
/* ---------- 相关阅读 ---------- */
.related-section{padding:44px 0 52px;background:linear-gradient(180deg,rgba(8,18,38,.55),rgba(4,9,26,0));border-top:1px solid rgba(90,150,230,.12);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;}
.section-head h2{font-size:22px;color:#fff;display:flex;align-items:center;gap:11px;}
.section-head h2::before{
 content:"";width:4px;height:20px;border-radius:3px;
 background:linear-gradient(180deg,var(--cyan),var(--blue));box-shadow:var(--glow);
}
.section-head p{font-size:13.5px;color:var(--text-dim);}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:18px;}
.rel-card{
 display:flex;flex-direction:column;gap:10px;
 padding:20px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-2);background:rgba(26,48,90,.68);}
.rel-card h3{font-size:15px;line-height:1.6;color:#eef5ff;}
.rel-card p{font-size:13px;line-height:1.75;color:var(--text-dim);}
.rel-card .more{font-size:12.5px;color:var(--cyan);font-weight:600;}
/* ---------- 标签带 ---------- */
.tag-section{padding:6px 0 54px;}
.tag-band{
 padding:26px 28px;border-radius:var(--radius-lg);
 background:rgba(13,27,54,.6);border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px;
}
.tag-band .band-title{font-size:14px;font-weight:700;color:#e6f1ff;margin-right:6px;}
.tag-chip{
 padding:6px 14px;border-radius:999px;font-size:12.5px;color:#a8c6ea;
 background:rgba(20,40,74,.72);border:1px solid rgba(100,165,240,.24);
 transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag-chip:hover{border-color:rgba(140,200,255,.6);color:#fff;background:rgba(32,60,108,.8);}
/* ---------- 行动区 ---------- */
.cta-band{
 padding:44px 0 62px;
}
.cta-inner{
 position:relative;overflow:hidden;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
 padding:36px 38px;border-radius:var(--radius-lg);
 background:
 radial-gradient(520px 220px at 8% 0%, rgba(58,212,255,.22), transparent 68%),
 linear-gradient(120deg,rgba(24,52,104,.94),rgba(12,26,54,.94));
 border:1px solid rgba(120,190,255,.34);
 box-shadow:var(--shadow-2);
}
.cta-inner h2{font-size:23px;color:#fff;}
.cta-inner p{margin-top:10px;font-size:14px;color:var(--text-soft);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- 页脚 ---------- */
.site-footer{
 padding:52px 0 26px;
 background:rgba(5,12,28,.92);
 border-top:1px solid rgba(90,150,230,.16);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.85;color:var(--text-dim);max-width:350px;}
.footer-col h3{font-size:14px;color:#dbe9ff;letter-spacing:.5px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:var(--text-soft);transition:color var(--ease),padding-left var(--ease);}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
 margin-top:36px;padding-top:20px;
 border-top:1px solid rgba(90,150,230,.14);
 font-size:12.5px;color:var(--text-dim);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:1fr;gap:26px;}
 .article-side{position:static;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}
 .article-body{max-width:none;}
 .page-head h1{font-size:30px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:880px){
 .header-bar{height:auto;flex-wrap:wrap;padding:10px 0;row-gap:8px;}
 .brand{order:1;}
 .header-cta{order:2;margin-left:auto;min-height:36px;padding:0 16px;font-size:13px;}
 .desktop-nav{
  order:3;width:100%;margin-left:0;gap:2px;
  overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
 }
 .desktop-nav::-webkit-scrollbar{display:none;}
 .nav-link{white-space:nowrap;font-size:13.5px;padding:7px 12px;}
 .cta-inner{padding:28px 24px;}
 .cta-inner h2{font-size:20px;}
}
@media (max-width:640px){
 .container{padding:0 16px;}
 .page-head{padding:26px 0 24px;}
 .page-head h1{font-size:24px;line-height:1.4;}
 .article-body{padding:24px 20px 26px;border-radius:var(--radius);}
 .article-body h2{font-size:19px;margin-top:28px;}
 .article-body p,.article-body li{font-size:14.5px;}
 .section-head{flex-direction:column;align-items:flex-start;gap:6px;}
 .section-head h2{font-size:19px;}
 .related-grid{grid-template-columns:1fr;}
 .tag-band{padding:20px;}
 .cta-inner{padding:24px 20px;}
 .cta-actions{width:100%;}
 .cta-actions .btn{flex:1 1 auto;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:420px){
 .brand-text{font-size:14.5px;}
 .page-head h1{font-size:21px;}
 .article-side{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
 --bg-deep:#04091a;
 --bg-base:#071026;
 --bg-soft:#0b1830;
 --panel:rgba(20,38,72,.55);
 --panel-strong:rgba(17,33,64,.92);
 --line:rgba(98,152,232,.2);
 --line-bright:rgba(120,190,255,.5);
 --text:#e9f2ff;
 --text-soft:#a9bfdd;
 --text-dim:#7b91b2;
 --blue:#2f7cf6;
 --cyan:#3ad4ff;
 --gold:#ffb733;
 --ok:#31d0a5;
 --warn:#ffb733;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 8px 24px rgba(2,8,26,.45);
 --shadow-2:0 18px 46px rgba(3,14,44,.62);
 --glow:0 0 18px rgba(58,212,255,.45);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%, rgba(47,124,246,.22), transparent 62%),
 radial-gradient(900px 520px at 88% 4%, rgba(58,212,255,.14), transparent 60%),
 var(--bg-deep);
 min-height:100vh;
 overflow-wrap:break-word;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:999;}
.skip-link:focus{left:0;}

/* ---------- 页头 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(6,14,32,.74);
 -webkit-backdrop-filter:blur(16px);
 backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(90,150,230,.14);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(1,6,20,.62);background:rgba(6,14,32,.93);}
.header-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;color:#0a1630;
 background:linear-gradient(135deg,var(--cyan),var(--blue));
 box-shadow:var(--glow);
}
.brand-text{font-size:16px;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-block;padding:8px 14px;border-radius:8px;
 font-size:14px;color:var(--text-soft);
 transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(58,130,246,.16);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{color:#fff;background:rgba(47,124,246,.2);box-shadow:inset 0 0 0 1px rgba(90,170,255,.35);}
.header-cta{margin-left:8px;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:0 22px;min-height:42px;border-radius:9px;
 font-size:14px;font-weight:600;line-height:1;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;text-align:center;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);box-shadow:0 8px 24px rgba(47,124,246,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(58,212,255,.55);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(92,224,255,.6);outline-offset:2px;}
.btn-ghost{color:var(--text);background:rgba(20,40,74,.5);border-color:rgba(110,170,255,.32);}
.btn-ghost:hover{background:rgba(30,58,104,.72);border-color:rgba(140,200,255,.62);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(120,190,255,.5);outline-offset:2px;}
.btn-glow{box-shadow:0 8px 24px rgba(47,124,246,.45),inset 0 0 0 1px rgba(150,225,255,.38);}
.btn-sm{min-height:36px;padding:0 16px;font-size:13px;}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:58px 0 66px;background:var(--bg-base);border-bottom:1px solid rgba(90,150,230,.12);}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.hero-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(4,9,26,.97) 10%,rgba(4,9,26,.85) 52%,rgba(4,9,26,.58) 100%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:44px;align-items:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.6px;color:#9fdcff;
 background:rgba(47,124,246,.16);
 border:1px solid rgba(110,190,255,.3);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.page-hero h1{
 margin:18px 0 0;
 font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.5px;
 background:linear-gradient(120deg,#ffffff 26%,#8fd6ff 80%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:var(--text-soft);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
 padding:7px 15px;border-radius:999px;font-size:12.5px;color:#a8c6ea;
 background:rgba(20,40,74,.6);border:1px solid rgba(100,165,240,.24);
}

/* 状态面板 */
.status-panel{
 padding:22px;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.66);
 border:1px solid rgba(110,180,255,.28);
 -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
 box-shadow:var(--shadow-2);
}
.status-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(90,150,230,.18);}
.status-label{font-size:14px;font-weight:700;letter-spacing:.4px;}
.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ok);}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.ring-wrap{display:flex;align-items:center;gap:20px;padding:20px 0 6px;flex-wrap:wrap;}
.ring{
 position:relative;flex:0 0 128px;width:128px;height:128px;border-radius:50%;
 background:conic-gradient(var(--cyan) calc(var(--p) * 1%), rgba(90,150,230,.16) 0);
 box-shadow:var(--glow);
 display:grid;place-items:center;
}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#0a1730;}
.ring-inner{position:relative;text-align:center;line-height:1.3;}
.ring-inner strong{display:block;font-size:23px;color:#fff;letter-spacing:-.5px;}
.ring-inner span{font-size:11.5px;color:var(--text-dim);}
.status-list{flex:1 1 170px;display:grid;gap:9px;}
.status-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-soft);}
.status-list b{font-weight:700;font-size:12.5px;padding:2px 10px;border-radius:999px;}
.status-list b.ok{color:#8cf5d8;background:rgba(49,208,165,.14);border:1px solid rgba(49,208,165,.32);}
.status-list b.warn{color:#ffd88a;background:rgba(255,183,51,.14);border:1px solid rgba(255,183,51,.32);}
.tier-list{display:grid;gap:8px;margin-top:14px;}
.tier{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:10px;background:rgba(10,22,46,.72);border:1px solid rgba(90,150,230,.16);}
.tier-name{font-size:13.5px;font-weight:700;color:#cfe6ff;}
.tier-desc{font-size:12.5px;color:var(--text-dim);}
.status-btn{width:100%;margin-top:18px;}
.status-tip{margin-top:10px;font-size:12px;color:var(--text-dim);text-align:center;}

/* ---------- 板块 ---------- */
.section{padding:64px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(11,24,48,.92),rgba(6,14,32,.55));border-top:1px solid rgba(90,150,230,.1);border-bottom:1px solid rgba(90,150,230,.1);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.section-head-main{max-width:680px;}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:1.2px;color:#7fc6f5;text-transform:uppercase;}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-title{margin-top:10px;font-size:26px;font-weight:800;line-height:1.4;letter-spacing:-.2px;}
.section-desc{margin-top:10px;font-size:14.5px;color:var(--text-soft);line-height:1.82;}

/* ---------- 网格与卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.card{
 padding:22px;border-radius:var(--radius);
 background:var(--panel);
 border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-2);}
.card-icon{
 display:grid;place-items:center;width:42px;height:42px;border-radius:11px;margin-bottom:14px;
 color:var(--cyan);background:rgba(47,124,246,.16);border:1px solid rgba(110,190,255,.3);
}
.card-title{font-size:16.5px;font-weight:700;line-height:1.5;}
.card-text{margin-top:8px;font-size:14px;color:var(--text-soft);line-height:1.8;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:12px;color:#9fd6ff;background:rgba(47,124,246,.14);
 border:1px solid rgba(110,190,255,.24);
}
.tag--gold{color:#ffd88a;background:rgba(255,183,51,.12);border-color:rgba(255,183,51,.3);}

/* 入口类型对照 */
.type-list{display:grid;gap:14px;}
.type-row{
 display:grid;grid-template-columns:180px minmax(0,1fr) 120px;gap:18px;align-items:center;
 padding:18px 20px;border-radius:var(--radius);
 background:rgba(13,27,54,.72);border:1px solid var(--line);
 transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.type-row:hover{border-color:var(--line-bright);background:rgba(20,40,76,.82);transform:translateY(-3px);}
.type-name{font-size:15px;font-weight:700;color:#fff;}
.type-note{font-size:13.5px;color:var(--text-soft);line-height:1.75;}
.type-state{font-size:12.5px;text-align:right;color:var(--ok);font-weight:700;}
.type-state.mid{color:var(--warn);}

/* 步骤 */
.steps{display:grid;gap:16px;}
.step{
 display:flex;gap:18px;padding:22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.step:hover{border-color:var(--line-bright);box-shadow:var(--shadow-2);transform:translateY(-3px);}
.step-no{
 flex:0 0 46px;height:46px;border-radius:13px;display:grid;place-items:center;
 font-weight:800;font-size:16px;color:#04101f;
 background:linear-gradient(135deg,var(--cyan),var(--blue));
 box-shadow:var(--glow);
}
.step-body h3{font-size:16.5px;font-weight:700;}
.step-body p{margin-top:6px;font-size:14px;color:var(--text-soft);line-height:1.8;}

/* 参数区 */
.spec-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:32px;align-items:center;}
.spec-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.spec{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:14px 16px;border-radius:10px;
 background:rgba(12,26,52,.74);border:1px solid var(--line);
}
.spec dt{font-size:13.5px;color:var(--text-dim);}
.spec dd{margin:0;font-size:14.5px;font-weight:700;color:#fff;}
.spec dd em{font-style:normal;color:var(--cyan);}
.spec-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(110,180,255,.26);box-shadow:var(--shadow-2);}
.spec-media img{width:100%;height:320px;object-fit:cover;}
.spec-media figcaption{padding:12px 16px;font-size:12.5px;color:var(--text-dim);background:rgba(10,22,46,.9);}

/* 场景卡 */
.scene-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.scene-card img{width:100%;height:170px;object-fit:cover;}
.scene-body{padding:20px;}
.scene-body h3{font-size:16.5px;font-weight:700;}
.scene-body p{margin-top:8px;font-size:14px;color:var(--text-soft);line-height:1.78;}

/* 更新日志 */
.log-list{display:grid;gap:0;}
.log-item{
 display:grid;grid-template-columns:110px minmax(0,1fr);gap:20px;
 padding:18px 0;border-bottom:1px dashed rgba(98,152,232,.22);
}
.log-item:last-child{border-bottom:0;}
.log-time{font-size:13px;font-weight:700;color:#7fc6f5;letter-spacing:.3px;}
.log-text{font-size:14px;color:var(--text-soft);line-height:1.8;}
.log-text b{color:#fff;font-weight:700;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.news-card{
 display:flex;flex-direction:column;padding:20px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-2);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-dim);}
.news-title{margin-top:12px;font-size:15.5px;font-weight:700;line-height:1.6;}
.news-title a{transition:color var(--ease);}
.news-title a:hover{color:var(--cyan);}
.news-text{margin-top:8px;font-size:13.5px;color:var(--text-soft);line-height:1.78;}
.news-more{margin-top:14px;font-size:13px;font-weight:700;color:#7fc6f5;}
.news-more:hover{color:var(--cyan);}
.empty-tip{padding:26px;border-radius:var(--radius);background:rgba(13,27,54,.6);border:1px dashed rgba(98,152,232,.3);color:var(--text-dim);font-size:14px;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius);
 background:var(--panel);padding:0 20px;
 transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{border-color:var(--line-bright);background:rgba(20,40,76,.7);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 0;cursor:pointer;font-size:15px;font-weight:700;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:7px;
 display:grid;place-items:center;font-size:15px;font-weight:700;
 color:var(--cyan);background:rgba(47,124,246,.16);border:1px solid rgba(110,190,255,.28);
 transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item p{padding-bottom:18px;font-size:14px;color:var(--text-soft);line-height:1.82;}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* 收口 CTA */
.cta-band{
 padding:40px 36px;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,rgba(47,124,246,.3),rgba(58,212,255,.14)),var(--panel-strong);
 border:1px solid rgba(110,190,255,.32);
 box-shadow:var(--shadow-2);
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px;align-items:center;}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;}
.cta-band p{margin-top:12px;font-size:14.5px;color:var(--text-soft);line-height:1.82;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-form{display:grid;gap:10px;}
.cta-form label{font-size:13px;color:var(--text-soft);}
.cta-form-row{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
 flex:1 1 170px;min-width:0;height:44px;padding:0 14px;border-radius:9px;
 color:var(--text);font-size:14px;
 background:rgba(6,16,38,.92);border:1px solid rgba(96,160,240,.28);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:#64799b;}
.cta-form input:focus{outline:none;border-color:rgba(120,200,255,.72);box-shadow:0 0 0 3px rgba(47,124,246,.22);}
.form-tip{font-size:12.5px;color:var(--ok);min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid rgba(90,150,230,.16);background:rgba(5,12,28,.92);padding:48px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;}
.footer-brand p{margin-top:14px;font-size:13.5px;color:var(--text-soft);line-height:1.8;max-width:360px;}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:13.5px;color:var(--text-dim);transition:color var(--ease);}
.footer-col a:hover{color:var(--cyan);}
.footer-col a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.footer-bottom{
 border-top:1px solid rgba(90,150,230,.14);padding:18px 0;
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:12.5px;color:var(--text-dim);
}

/* ---------- 移动端底部 Tab ---------- */
.tab-bar{display:none;}
@media (max-width:768px){
 .tab-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:rgba(7,16,38,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid rgba(90,150,230,.22);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
 }
 .tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:48px;padding:6px 2px;border-radius:9px;
  font-size:11.5px;color:var(--text-dim);
  transition:color var(--ease),background var(--ease);
 }
 .tab-item svg{width:20px;height:20px;}
 .tab-item.is-active{color:#7fd8ff;background:rgba(47,124,246,.16);}
 .tab-item:active{background:rgba(47,124,246,.24);}
 body{padding-bottom:76px;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .page-hero h1{font-size:34px;}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .spec-layout{grid-template-columns:1fr;}
 .type-row{grid-template-columns:150px minmax(0,1fr);}
 .type-state{grid-column:1 / -1;text-align:left;}
 .cta-inner{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:860px){
 .desktop-nav{display:none;}
 .header-cta{margin-left:auto;}
}
@media (max-width:768px){
 .section{padding:46px 0;}
 .section-title{font-size:22px;}
 .cta-band{padding:28px 22px;}
 .cta-band h2{font-size:22px;}
 .spec-media img{height:240px;}
}
@media (max-width:600px){
 .page-hero{padding:40px 0 48px;}
 .page-hero h1{font-size:27px;line-height:1.36;}
 .hero-lead{font-size:14.5px;}
 .grid-4,.grid-3,.grid-2,.news-grid,.spec-list{grid-template-columns:1fr;}
 .ring-wrap{justify-content:flex-start;}
 .type-row{grid-template-columns:1fr;gap:8px;}
 .step{flex-direction:column;gap:12px;}
 .log-item{grid-template-columns:1fr;gap:4px;}
 .footer-grid{grid-template-columns:1fr;}
 .brand-text{font-size:14.5px;}
 .header-bar{gap:12px;}
 .header-cta{min-height:38px;padding:0 16px;font-size:13px;}
 .btn{min-height:44px;}
}

/* roulang page: category2 */
:root{
 --bg-deep:#04091a;
 --bg-base:#071026;
 --bg-soft:#0b1830;
 --panel:rgba(20,38,72,.55);
 --panel-strong:rgba(17,33,64,.92);
 --line:rgba(98,152,232,.2);
 --line-bright:rgba(120,190,255,.5);
 --text:#e9f2ff;
 --text-soft:#a9bfdd;
 --text-dim:#7b91b2;
 --blue:#2f7cf6;
 --cyan:#3ad4ff;
 --gold:#ffb733;
 --ok:#31d0a5;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 8px 24px rgba(2,8,26,.45);
 --shadow-2:0 18px 46px rgba(3,14,44,.62);
 --glow:0 0 18px rgba(58,212,255,.45);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%, rgba(47,124,246,.22), transparent 62%),
 radial-gradient(900px 520px at 88% 4%, rgba(58,212,255,.14), transparent 60%),
 var(--bg-deep);
 min-height:100vh;
 overflow-wrap:break-word;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:#fff;}
img{display:block;max-width:100%;height:auto;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
/* 页头 */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(6,14,32,.74);
 -webkit-backdrop-filter:blur(16px);
 backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(90,150,230,.14);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(1,6,20,.62);background:rgba(6,14,32,.93);}
.header-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;color:#0a1630;
 background:linear-gradient(135deg,var(--cyan),var(--blue));
 box-shadow:var(--glow);
}
.brand-text{font-size:16px;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-block;padding:8px 14px;border-radius:8px;
 font-size:14px;color:var(--text-soft);
 transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(58,130,246,.16);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{color:#fff;background:rgba(47,124,246,.2);box-shadow:inset 0 0 0 1px rgba(90,170,255,.35);}
.header-cta{margin-left:8px;}
/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:0 22px;min-height:42px;border-radius:9px;
 font-size:14px;font-weight:600;line-height:1;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);box-shadow:0 8px 24px rgba(47,124,246,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(58,212,255,.55);color:#04101f;}
.btn-primary:focus-visible{outline:3px solid rgba(92,224,255,.6);outline-offset:2px;}
.btn-ghost{color:var(--text);background:rgba(20,40,74,.5);border-color:rgba(110,170,255,.32);}
.btn-ghost:hover{background:rgba(30,58,104,.72);border-color:rgba(140,200,255,.62);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(120,190,255,.5);outline-offset:2px;}
.btn-glow{box-shadow:0 8px 24px rgba(47,124,246,.45),inset 0 0 0 1px rgba(150,225,255,.38);}
.btn-sm{min-height:36px;padding:0 16px;font-size:13px;}
/* HERO */
.hero{position:relative;overflow:hidden;padding:64px 0 96px;background:var(--bg-base);}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;}
.hero-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(4,9,26,.97) 10%,rgba(4,9,26,.84) 52%,rgba(4,9,26,.6) 100%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:46px;align-items:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.6px;color:#9fdcff;
 background:rgba(47,124,246,.16);
 border:1px solid rgba(110,190,255,.3);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.hero h1{
 margin:18px 0 0;
 font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.5px;
 background:linear-gradient(120deg,#ffffff 26%,#8fd6ff 80%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.88;color:var(--text-soft);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
 padding:7px 15px;border-radius:999px;font-size:12.5px;color:#a8c6ea;
 background:rgba(20,40,74,.6);border:1px solid rgba(100,165,240,.24);
 transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.pill:hover{border-color:rgba(140,200,255,.55);color:#dceeff;background:rgba(30,58,104,.7);}
/* 视频卡 */
.video-card{
 padding:14px;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.66);
 border:1px solid rgba(110,180,255,.28);
 -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
 box-shadow:var(--shadow-2);
}
.video-frame{position:relative;border-radius:14px;overflow:hidden;border:1px solid rgba(110,180,255,.2);}
.video-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.video-frame::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(4,9,26,.05) 30%,rgba(4,9,26,.82) 100%);
}
.play-btn{
 position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
 width:62px;height:62px;border-radius:50%;cursor:pointer;z-index:2;
 display:flex;align-items:center;justify-content:center;
 color:#04101f;border:1px solid rgba(180,240,255,.6);
 background:linear-gradient(135deg,#5ce0ff,#2f7cf6);
 box-shadow:0 0 0 8px rgba(58,212,255,.14),0 12px 30px rgba(47,124,246,.55);
 transition:transform var(--ease),box-shadow var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 0 0 12px rgba(58,212,255,.16),0 16px 36px rgba(58,212,255,.6);}
.play-btn:focus-visible{outline:3px solid rgba(146,236,255,.75);outline-offset:4px;}
.video-tag{
 position:absolute;left:14px;bottom:12px;z-index:2;
 padding:5px 12px;border-radius:999px;font-size:12px;color:#cbe8ff;
 background:rgba(6,16,36,.78);border:1px solid rgba(110,180,255,.32);
}
.video-meta{padding:16px 8px 6px;}
.video-meta h2{font-size:15.5px;line-height:1.55;}
.video-meta p{margin-top:6px;font-size:13px;color:var(--text-dim);}
/* 数据条 */
.stat-strip{
 position:relative;z-index:3;margin-top:-52px;
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
}
.stat-card{
 padding:20px 22px;border-radius:14px;
 background:var(--panel-strong);border:1px solid var(--line);
 box-shadow:var(--shadow-2);
 transition:transform var(--ease),border-color var(--ease);
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--line-bright);}
.stat-num{font-size:24px;font-weight:800;color:#8fe0ff;letter-spacing:.2px;}
.stat-num span{font-size:13px;font-weight:600;color:var(--text-soft);margin-left:5px;}
.stat-label{margin-top:4px;font-size:13px;color:var(--text-dim);}
/* 板块 */
.sec{position:relative;padding:76px 0;}
.sec-tight{padding:60px 0;}
.sec-alt{
 background:linear-gradient(180deg,rgba(11,24,48,.88),rgba(6,14,32,.92));
 border-top:1px solid rgba(90,150,230,.12);
 border-bottom:1px solid rgba(90,150,230,.12);
}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.4px;color:#7fd0ff;
}
.sec-kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--cyan),var(--blue));
}
.sec-title{margin-top:12px;font-size:28px;letter-spacing:-.3px;}
.sec-desc{margin-top:12px;font-size:14.5px;color:var(--text-soft);}
/* 卡片网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
 position:relative;padding:24px;border-radius:var(--radius-lg);
 background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-bright);background:rgba(24,45,84,.62);}
.card-title{margin-top:16px;font-size:17px;}
.card-text{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-soft);}
.card-tag{
 display:inline-block;margin-top:16px;padding:4px 11px;border-radius:999px;
 font-size:12px;color:#9fd8ff;background:rgba(47,124,246,.15);
 border:1px solid rgba(110,190,255,.26);
}
.card-icon{
 width:44px;height:44px;border-radius:12px;
 display:flex;align-items:center;justify-content:center;
 color:#8fd6ff;background:rgba(47,124,246,.16);
 border:1px solid rgba(110,190,255,.28);
}
.card-step{font-size:12px;letter-spacing:1.6px;color:var(--gold);font-weight:700;}
/* 图文场景 */
.scene{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:38px;align-items:center;}
.scene-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.scene-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.scene-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:16px 18px;font-size:12.5px;color:#c6e2ff;
 background:linear-gradient(180deg,transparent,rgba(4,9,26,.9));
}
.scene-item{
 display:flex;gap:14px;align-items:flex-start;
 padding:16px 18px;border-radius:var(--radius);
 background:rgba(14,29,56,.62);border:1px solid var(--line);
 margin-bottom:12px;
 transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.scene-item:hover{border-color:var(--line-bright);background:rgba(22,44,82,.74);transform:translateX(3px);}
.scene-item:last-child{margin-bottom:0;}
.scene-dot{
 flex:0 0 auto;width:28px;height:28px;border-radius:9px;
 display:flex;align-items:center;justify-content:center;
 font-size:12.5px;font-weight:700;color:#04101f;
 background:linear-gradient(135deg,#8fe0ff,#2f7cf6);
}
.scene-item h3{font-size:15px;}
.scene-item p{margin-top:6px;font-size:13.5px;color:var(--text-soft);line-height:1.78;}
/* 误区 */
.mistake{
 display:flex;gap:14px;align-items:flex-start;
 padding:20px 22px;border-radius:var(--radius);
 background:rgba(16,32,62,.58);
 border:1px solid var(--line);
 border-left:3px solid rgba(255,183,51,.62);
 transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.mistake:hover{transform:translateY(-3px);border-color:rgba(255,183,51,.5);background:rgba(22,42,78,.7);}
.mistake-idx{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.5px;}
.mistake h3{font-size:15px;}
.mistake p{margin-top:6px;font-size:13.5px;color:var(--text-soft);line-height:1.78;}
/* 自测清单 */
.check-panel{
 padding:28px;border-radius:var(--radius-lg);
 background:rgba(13,27,54,.72);border:1px solid var(--line);
 box-shadow:var(--shadow-1);
}
.check-item{
 display:flex;gap:12px;align-items:flex-start;
 padding:14px 0;border-bottom:1px dashed rgba(98,152,232,.18);
 font-size:14.5px;color:var(--text-soft);
}
.check-item:last-child{border-bottom:none;padding-bottom:0;}
.check-box{
 flex:0 0 auto;width:22px;height:22px;border-radius:7px;margin-top:2px;
 display:flex;align-items:center;justify-content:center;
 color:#8fe0ff;background:rgba(47,124,246,.16);
 border:1px solid rgba(120,190,255,.45);
}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 display:flex;flex-direction:column;
 padding:22px;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.6);border:1px solid var(--line);
 box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-bright);background:rgba(23,45,84,.7);}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.news-tag{
 padding:4px 11px;border-radius:999px;font-size:12px;color:#9fd8ff;
 background:rgba(47,124,246,.15);border:1px solid rgba(110,190,255,.26);
}
.news-date{font-size:12px;color:var(--text-dim);}
.news-title{margin-top:14px;font-size:16px;line-height:1.6;}
.news-desc{
 margin-top:10px;font-size:13.5px;line-height:1.78;color:var(--text-soft);
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:16px;font-size:13px;color:#8fd6ff;font-weight:600;}
.news-empty{
 padding:32px;border-radius:var(--radius-lg);text-align:center;
 color:var(--text-dim);font-size:14px;
 background:rgba(14,29,56,.6);border:1px dashed rgba(98,152,232,.28);
}
/* FAQ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
 margin-bottom:12px;border-radius:var(--radius);overflow:hidden;
 background:rgba(14,29,56,.62);border:1px solid var(--line);
 transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{border-color:var(--line-bright);background:rgba(20,40,74,.72);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;cursor:pointer;font-size:15px;font-weight:600;
 list-style:none;color:var(--text);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;font-size:19px;font-weight:700;color:#7fd0ff;
 transition:transform var(--ease),color var(--ease);
}
.faq-item[open] summary::after{content:"–";color:var(--cyan);}
.faq-item summary:focus-visible{outline:2px solid rgba(120,200,255,.7);outline-offset:-4px;}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--text-soft);}
/* 收口 CTA */
.cta-band{
 position:relative;overflow:hidden;
 padding:54px 40px;border-radius:var(--radius-lg);text-align:center;
 background:linear-gradient(120deg,rgba(23,50,96,.94),rgba(11,24,50,.96));
 border:1px solid var(--line-bright);
 box-shadow:var(--shadow-2);
}
.cta-band::before{
 content:"";position:absolute;top:-220px;right:-120px;width:440px;height:440px;border-radius:50%;
 background:radial-gradient(circle,rgba(58,212,255,.26),transparent 68%);
 pointer-events:none;
}
.cta-band h2{position:relative;font-size:27px;letter-spacing:-.3px;}
.cta-band p{position:relative;margin-top:14px;font-size:14.5px;color:var(--text-soft);max-width:660px;margin-left:auto;margin-right:auto;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}
/* 页脚 */
.site-footer{
 position:relative;
 margin-top:0;padding:58px 0 0;
 background:linear-gradient(180deg,rgba(6,14,32,.6),rgba(4,9,22,.96));
 border-top:1px solid rgba(90,150,230,.16);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:var(--text-dim);max-width:360px;}
.footer-col h3{font-size:14px;color:#cfe4ff;letter-spacing:.5px;}
.footer-col ul{margin-top:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--text-dim);transition:color var(--ease),padding-left var(--ease);}
.footer-col a:hover{color:#8fd6ff;padding-left:3px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 padding:20px 0 26px;margin-top:8px;
 border-top:1px solid rgba(90,150,230,.14);
 font-size:12.5px;color:var(--text-dim);
}
/* 移动端底部 Tab */
.tab-bar{
 display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
 background:rgba(6,14,32,.96);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 border-top:1px solid rgba(90,150,230,.22);
 padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
 flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
 min-height:56px;font-size:11px;color:var(--text-dim);
 transition:color var(--ease),background var(--ease);
}
.tab-item svg{width:20px;height:20px;}
.tab-item:active{background:rgba(47,124,246,.14);}
.tab-item.is-active{color:#8fd6ff;}
/* 响应式 */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
 .hero h1{font-size:34px;}
 .hero-lead{max-width:none;}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .scene{grid-template-columns:minmax(0,1fr);gap:26px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
 .desktop-nav{display:none;}
 .header-cta{margin-left:auto;min-height:38px;padding:0 16px;font-size:13px;}
 .tab-bar{display:flex;}
 body{padding-bottom:64px;}
 .hero{padding:48px 0 84px;}
 .hero h1{font-size:29px;line-height:1.36;}
 .hero-lead{font-size:14.5px;}
 .sec{padding:56px 0;}
 .sec-title{font-size:23px;}
 .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:minmax(0,1fr);}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-42px;gap:12px;}
 .cta-band{padding:38px 22px;}
 .cta-band h2{font-size:22px;}
 .video-card{padding:12px;}
 .play-btn{width:54px;height:54px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .brand-text{font-size:14.5px;}
 .hero h1{font-size:25px;}
 .stat-card{padding:16px;}
 .stat-num{font-size:20px;}
 .card,.news-card{padding:18px;}
 .sec{padding:46px 0;}
 .sec-title{font-size:21px;}
 .cta-actions .btn{width:100%;}
 .hero-actions .btn{flex:1 1 auto;}
}

/* roulang page: category3 */
:root{
 --bg-deep:#04091a;
 --bg-base:#071026;
 --bg-soft:#0b1830;
 --panel:rgba(20,38,72,.55);
 --panel-strong:rgba(17,33,64,.92);
 --line:rgba(98,152,232,.2);
 --line-bright:rgba(120,190,255,.5);
 --text:#e9f2ff;
 --text-soft:#a9bfdd;
 --text-dim:#7b91b2;
 --blue:#2f7cf6;
 --cyan:#3ad4ff;
 --gold:#ffb733;
 --ok:#31d0a5;
 --radius-lg:18px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 8px 24px rgba(2,8,26,.45);
 --shadow-2:0 18px 46px rgba(3,14,44,.62);
 --glow:0 0 18px rgba(58,212,255,.45);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%, rgba(47,124,246,.22), transparent 62%),
 radial-gradient(900px 520px at 88% 4%, rgba(58,212,255,.14), transparent 60%),
 var(--bg-deep);
 min-height:100vh;
 overflow-wrap:break-word;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
/* ---------- 页头 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(6,14,32,.74);
 -webkit-backdrop-filter:blur(16px);
 backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(90,150,230,.14);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(1,6,20,.62);background:rgba(6,14,32,.93);}
.header-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;color:#0a1630;
 background:linear-gradient(135deg,var(--cyan),var(--blue));
 box-shadow:var(--glow);
}
.brand-text{font-size:16px;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-block;padding:8px 14px;border-radius:8px;
 font-size:14px;color:var(--text-soft);
 transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(58,130,246,.16);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{color:#fff;background:rgba(47,124,246,.2);box-shadow:inset 0 0 0 1px rgba(90,170,255,.35);}
.header-cta{margin-left:8px;}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:0 22px;min-height:42px;border-radius:9px;
 font-size:14px;font-weight:600;line-height:1;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);box-shadow:0 8px 24px rgba(47,124,246,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(58,212,255,.55);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(92,224,255,.6);outline-offset:2px;}
.btn-ghost{color:var(--text);background:rgba(20,40,74,.5);border-color:rgba(110,170,255,.32);}
.btn-ghost:hover{background:rgba(30,58,104,.72);border-color:rgba(140,200,255,.62);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(120,190,255,.5);outline-offset:2px;}
.btn-glow{box-shadow:0 8px 24px rgba(47,124,246,.45),inset 0 0 0 1px rgba(150,225,255,.38);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;}
/* ---------- 分类页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:38px 0 62px;background:var(--bg-base);border-bottom:1px solid rgba(90,150,230,.12);}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;}
.hero-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(4,9,26,.97) 8%,rgba(4,9,26,.86) 52%,rgba(4,9,26,.6) 100%);
}
.breadcrumb{position:relative;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-dim);margin-bottom:22px;}
.breadcrumb a{color:#9cc4ee;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:var(--text-soft);}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:44px;align-items:start;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.6px;color:#9fdcff;
 background:rgba(47,124,246,.16);
 border:1px solid rgba(110,190,255,.3);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.page-hero h1{
 margin:18px 0 0;
 font-size:38px;line-height:1.3;font-weight:800;letter-spacing:-.4px;
 background:linear-gradient(120deg,#ffffff 30%,#8fd6ff 80%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:16px;font-size:15px;line-height:1.85;color:var(--text-soft);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
 padding:7px 15px;border-radius:999px;font-size:12.5px;color:#a8c6ea;
 background:rgba(20,40,74,.6);border:1px solid rgba(100,165,240,.24);
 transition:border-color var(--ease),color var(--ease);
}
.pill:hover{border-color:rgba(140,200,255,.55);color:#dceeff;}
/* 右侧版本节点面板 */
.hero-panel{
 position:relative;padding:22px;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.66);
 border:1px solid rgba(110,180,255,.28);
 -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
 box-shadow:var(--shadow-2);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-soft);letter-spacing:.4px;}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;}
.tag-live{color:#04101f;background:linear-gradient(135deg,#ffd166,#ffb733);box-shadow:0 6px 16px rgba(255,183,51,.32);}
.roadmap{margin-top:16px;display:flex;flex-direction:column;gap:2px;}
.roadmap li{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:start;padding:12px 0;border-bottom:1px dashed rgba(98,152,232,.2);}
.roadmap li:last-child{border-bottom:0;}
.node-dot{width:9px;height:9px;border-radius:50%;margin-top:7px;background:rgba(120,190,255,.5);box-shadow:0 0 0 3px rgba(47,124,246,.16);}
.roadmap li.is-current .node-dot{background:var(--cyan);box-shadow:0 0 12px rgba(58,212,255,.75);}
.roadmap strong{display:block;font-size:14px;color:#fff;font-weight:700;}
.roadmap p{margin-top:3px;font-size:12.8px;line-height:1.65;color:var(--text-dim);}
.node-date{font-size:11.5px;color:#7fb6e6;white-space:nowrap;padding-top:2px;}
.subscribe-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.subscribe-form input{
 flex:1 1 160px;min-width:0;height:44px;padding:0 14px;border-radius:9px;
 font-size:13.5px;color:var(--text);
 background:rgba(8,18,40,.9);border:1px solid rgba(96,160,240,.26);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe-form input::placeholder{color:#64799b;}
.subscribe-form input:focus{outline:none;border-color:rgba(120,200,255,.7);box-shadow:0 0 0 3px rgba(47,124,246,.22);}
.form-tip{flex:1 1 100%;font-size:12.5px;color:var(--text-dim);min-height:18px;transition:color var(--ease);}
.form-tip.is-ok{color:var(--ok);}
/* ---------- 板块通用 ---------- */
.section{padding:62px 0;position:relative;}
.section--alt{
 background:linear-gradient(180deg,rgba(11,24,48,.72),rgba(7,16,38,.92));
 border-top:1px solid rgba(90,150,230,.12);
 border-bottom:1px solid rgba(90,150,230,.12);
}
.section-head{max-width:780px;margin-bottom:30px;}
.section-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:1.6px;color:#7fc7ff;}
.section-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),rgba(58,212,255,0));}
.section-head h2{margin-top:10px;font-size:26px;line-height:1.4;}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--text-soft);}
/* ---------- 卡片 ---------- */
.card-grid{display:flex;flex-wrap:wrap;gap:18px;}
.card-grid > .cell{flex:1 1 240px;min-width:0;}
.card{
 position:relative;height:100%;padding:20px;border-radius:var(--radius-lg);
 background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-1);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-bright);background:rgba(24,46,88,.6);}
.card-icon{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:10px;margin-bottom:14px;
 color:var(--cyan);background:rgba(47,124,246,.16);border:1px solid rgba(110,180,255,.26);
}
.card h3{font-size:16.5px;color:#fff;}
.card p{margin-top:8px;font-size:14px;color:var(--text-soft);}
.card .card-foot{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{
 display:inline-flex;align-items:center;gap:5px;
 padding:3px 10px;border-radius:999px;font-size:12px;color:#a8c6ea;
 background:rgba(20,40,74,.8);border:1px solid rgba(100,165,240,.22);
}
.chip-ok{color:#8ff0d8;border-color:rgba(49,208,165,.4);background:rgba(49,208,165,.12);}
.chip-warn{color:#ffd68a;border-color:rgba(255,183,51,.4);background:rgba(255,183,51,.1);}
/* ---------- 榜单 ---------- */
.rank-list{border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(13,27,54,.62);box-shadow:var(--shadow-1);overflow:hidden;}
.rank-list-head{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;font-size:12.5px;letter-spacing:.8px;color:var(--text-dim);border-bottom:1px solid rgba(90,150,230,.16);background:rgba(9,20,42,.7);}
.rank-row{
 display:grid;grid-template-columns:46px minmax(0,1fr) 120px;
 gap:16px;align-items:center;
 padding:18px;border-bottom:1px solid rgba(90,150,230,.13);
 transition:background var(--ease),transform var(--ease);
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:rgba(47,124,246,.1);}
.rank-no{
 display:inline-flex;align-items:center;justify-content:center;
 width:40px;height:40px;border-radius:12px;font-weight:800;font-size:15px;
 color:#cfe7ff;background:rgba(47,124,246,.16);border:1px solid rgba(110,180,255,.28);
}
.rank-row.is-top .rank-no{color:#04101f;background:linear-gradient(135deg,#5ce0ff,#2f7cf6);border-color:transparent;box-shadow:var(--glow);}
.rank-name{font-size:15.5px;font-weight:700;color:#fff;}
.rank-desc{margin-top:5px;font-size:13.4px;color:var(--text-soft);}
.rank-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px;}
.score-box{text-align:right;}
.score-num{font-size:22px;font-weight:800;color:var(--cyan);line-height:1.2;}
.score-label{font-size:11.5px;color:var(--text-dim);letter-spacing:.6px;}
.score-bar{height:5px;border-radius:99px;background:rgba(120,170,230,.18);margin-top:8px;overflow:hidden;}
.score-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--blue));}
/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.step{
 position:relative;padding:20px 18px;border-radius:var(--radius);
 background:rgba(16,32,62,.55);border:1px solid var(--line);
 transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);border-color:var(--line-bright);box-shadow:var(--shadow-1);}
.step-num{font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:#7fc7ff;}
.step h3{margin-top:8px;font-size:15.5px;color:#fff;}
.step p{margin-top:7px;font-size:13.6px;color:var(--text-soft);}
/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
 padding:0;overflow:hidden;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.6);border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-bright);}
.scene-thumb{position:relative;overflow:hidden;}
.scene-thumb img{width:100%;height:170px;object-fit:cover;transition:transform .35s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.04);}
.scene-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,9,26,0) 40%,rgba(4,9,26,.72) 100%);}
.scene-body{padding:18px 20px 22px;}
.scene-body h3{font-size:16px;color:#fff;}
.scene-body p{margin-top:8px;font-size:13.8px;color:var(--text-soft);}
/* ---------- 数据 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.stat{
 padding:26px 18px;text-align:center;border-radius:var(--radius-lg);
 background:radial-gradient(120% 140% at 50% 0%,rgba(47,124,246,.22),rgba(13,27,54,.7) 70%);
 border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),border-color var(--ease);
}
.stat:hover{transform:translateY(-3px);border-color:var(--line-bright);}
.stat b{display:block;font-size:30px;line-height:1.2;color:#fff;font-weight:800;letter-spacing:-.5px;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-soft);}
.stat small{display:block;margin-top:8px;font-size:12px;color:var(--text-dim);}
/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.voice{
 padding:20px;border-radius:var(--radius-lg);
 background:rgba(16,32,62,.55);border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.voice:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-2);}
.voice blockquote{margin:0;font-size:14.2px;line-height:1.8;color:var(--text-soft);}
.voice blockquote::before{content:"“";color:var(--cyan);font-size:22px;line-height:0;margin-right:2px;}
.voice-author{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-dim);}
.avatar{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:50%;font-size:13px;font-weight:700;color:#04101f;
 background:linear-gradient(135deg,#5ce0ff,#2f7cf6);
}
/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius);
 background:rgba(13,27,54,.62);margin-bottom:12px;overflow:hidden;
 transition:border-color var(--ease),background var(--ease);
}
.faq-item:hover{border-color:rgba(120,190,255,.4);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:16px 18px;font-size:15px;font-weight:600;color:#fff;
 cursor:pointer;list-style:none;min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:19px;color:var(--cyan);transition:transform var(--ease);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 18px 18px;font-size:14px;color:var(--text-soft);}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
 padding:36px 34px;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,rgba(47,124,246,.3),rgba(58,212,255,.12));
 border:1px solid rgba(120,190,255,.34);box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:24px;color:#fff;}
.cta-band p{margin-top:10px;font-size:14.2px;color:#cfe3f9;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;padding:52px 0 26px;background:rgba(3,8,22,.92);border-top:1px solid rgba(90,150,230,.16);}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);gap:34px;}
.footer-brand p{margin-top:14px;font-size:13.6px;line-height:1.85;color:var(--text-dim);max-width:420px;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.4px;}
.footer-col ul{margin-top:12px;display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.6px;color:var(--text-soft);transition:color var(--ease);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(90,150,230,.14);
 font-size:12.6px;color:var(--text-dim);
}
/* ---------- 移动端底部 Tab ---------- */
.tabbar{
 display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
 background:rgba(6,14,32,.95);
 -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
 border-top:1px solid rgba(90,150,230,.18);
 padding:6px 8px calc(6px + env(safe-area-inset-bottom));
 justify-content:space-around;align-items:center;
}
.tabbar a{
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
 min-width:64px;min-height:46px;padding:5px 6px;border-radius:10px;
 font-size:11px;color:var(--text-dim);
 transition:color var(--ease),background var(--ease);
}
.tabbar a svg{width:20px;height:20px;}
.tabbar a:hover{color:#cfe7ff;}
.tabbar a.is-active{color:#fff;background:rgba(47,124,246,.2);}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px;}
 .page-hero h1{font-size:32px;}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .scene-grid,.voice-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
 .desktop-nav{display:none;}
 .header-cta{margin-left:auto;}
 .tabbar{display:flex;}
 body{padding-bottom:72px;}
 .section{padding:50px 0;}
 .rank-row{grid-template-columns:42px minmax(0,1fr) 96px;gap:12px;padding:16px;}
 .cta-band{grid-template-columns:1fr;padding:28px 22px;}
}
@media (max-width:768px){
 .section-head h2{font-size:22px;}
 .scene-grid,.voice-grid,.stat-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .section-head{margin-bottom:22px;}
}
@media (max-width:520px){
 .header-bar{gap:12px;}
 .brand-text{font-size:12.8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw;}
 .header-cta{display:none;}
 .page-hero{padding:26px 0 46px;}
 .page-hero h1{font-size:26px;line-height:1.36;}
 .hero-lead{font-size:14.2px;}
 .btn{width:100%;}
 .hero-actions .btn,.cta-actions .btn{width:100%;}
 .hero-panel{padding:18px;}
 .rank-row{grid-template-columns:minmax(0,1fr);}
 .rank-no{width:34px;height:34px;border-radius:10px;font-size:13.5px;}
 .score-box{text-align:left;display:flex;align-items:center;gap:12px;}
 .score-bar{flex:1;margin-top:0;}
 .subscribe-form input{flex:1 1 100%;}
 .subscribe-form .btn{width:100%;}
 .flow{grid-template-columns:1fr;}
}