/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#242a52;
  --ink-3:#2f3768;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --gold-deep:#f08c00;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b2040;
  --muted:#6b7194;
  --line:#e6e8f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 18px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.10);
  --shadow-lg:0 24px 56px rgba(26,31,61,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.8);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{background:linear-gradient(150deg,#171c38,#1a1f3d 45%,#242a52);color:#e8eaf6}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section--ink .eyebrow{color:var(--gold-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.4;font-weight:800;letter-spacing:.4px}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px}
.section--ink .sec-desc{color:#a9b0d4}

/* ===== Header ===== */
.site-header{
  position:relative;
  background:linear-gradient(165deg,#151a33 0%,#1a1f3d 48%,#262d59 100%);
  color:#e9ebf7;
  border-bottom:1px solid rgba(255,180,0,.16);
  overflow:hidden;
}
.site-header::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;
  background:radial-gradient(closest-side,rgba(255,180,0,.16),transparent 70%);
  pointer-events:none;
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0 10px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:18px;
  box-shadow:0 8px 20px rgba(255,180,0,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.6px;line-height:1.2}
.brand-sub{font-size:12px;color:#98a0c9;letter-spacing:1px}
.head-tools{display:flex;align-items:center;gap:10px}
.head-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:8px 14px;color:#c3c9e8;font-size:13px;
}
.head-search input{
  background:transparent;border:0;outline:none;color:#e9ebf7;width:130px;font-size:13px;
}
.head-search input::placeholder{color:#8b93bd}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;border-radius:999px;padding:12px 24px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 45%,var(--gold-deep));
  color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.36)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
  background:rgba(255,255,255,.06);color:#eef0fa;border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.head-cta{white-space:nowrap}

/* icon grid nav */
.nav-strip{
  display:flex;gap:10px;overflow-x:auto;padding:8px 0 18px;position:relative;z-index:2;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-strip::-webkit-scrollbar{display:none}
.nav-item{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
  color:#c8cde9;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.045);white-space:nowrap;
  transition:all .22s ease;
}
.nav-item svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.4);transform:translateY(-1px)}
.nav-item.active{
  color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.26);
}

/* ===== Hero ===== */
.hero{
  position:relative;color:#eef0fa;padding:58px 0 76px;overflow:hidden;
  background:
    linear-gradient(140deg,rgba(20,25,49,.95) 0%,rgba(26,31,61,.88) 45%,rgba(45,52,100,.92) 100%),
    url('/assets/images/9386392eafc57951.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;left:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,180,0,.22),transparent 72%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
  color:var(--gold-2);font-size:12.5px;font-weight:700;letter-spacing:1px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.hero h1{
  margin:20px 0 18px;font-size:clamp(28px,3.9vw,44px);line-height:1.28;font-weight:900;letter-spacing:.6px;
  color:#fff;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--gold-2),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:#bcc2e2;font-size:15.6px;line-height:1.95;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px dashed rgba(255,255,255,.16)}
.hero-meta div span{display:block;font-size:12.5px;color:#9aa2cb;letter-spacing:1px}
.hero-meta div strong{font-size:22px;color:var(--gold-2);font-weight:800}

.live-card{
  background:#fff;color:var(--text);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid rgba(255,255,255,.6);
}
.live-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.live-cover img{width:100%;height:100%;object-fit:cover}
.live-cover .live-tag{
  position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:6px;
  background:rgba(26,31,61,.86);color:#fff;font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:999px;letter-spacing:1px;
}
.live-cover .live-tag i{width:7px;height:7px;border-radius:50%;background:#ffb400;display:inline-block}
.live-body{padding:20px 22px 24px}
.live-body h2{font-size:17px;font-weight:800;line-height:1.5}
.live-body .live-time{font-size:13px;color:var(--muted);margin-top:6px}
.countdown{display:flex;gap:10px;margin:16px 0 18px}
.cd-cell{
  flex:1;background:linear-gradient(160deg,#1a1f3d,#2b3160);color:#fff;
  border-radius:12px;padding:10px 6px;text-align:center;
}
.cd-cell b{display:block;font-size:24px;font-weight:800;color:var(--gold-2);line-height:1.2;font-variant-numeric:tabular-nums}
.cd-cell span{font-size:11.5px;color:#a7aed4;letter-spacing:1px}
.remind-form{display:flex;flex-direction:column;gap:10px}
.remind-form input{
  width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  background:#f8f9fd;color:var(--text);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.remind-form input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);outline:none}
.form-tip{font-size:12.5px;color:var(--muted);min-height:20px}
.form-tip.is-on{color:#0f8a4a;font-weight:700}

/* ===== stat strip ===== */
.stat-strip{
  background:#fff;border-bottom:1px solid var(--line);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-cell{padding:26px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell strong{display:block;font-size:26px;font-weight:900;color:var(--ink);line-height:1.3}
.stat-cell strong em{font-style:normal;color:var(--gold-deep);font-size:18px;margin-left:2px}
.stat-cell span{font-size:13px;color:var(--muted)}

/* ===== channel wall ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));opacity:0;transition:opacity .24s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.channel-card:hover::before{opacity:1}
.channel-card .ch-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#fff4d6,#ffe6ad);color:var(--gold-deep);margin-bottom:14px;
}
.channel-card .ch-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.channel-card h3{font-size:18px;font-weight:800}
.channel-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.channel-card .ch-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--gold-deep)}
.channel-card .ch-link:hover{gap:10px}

/* ===== feature cards ===== */
.card-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feature-card .fc-no{
  font-size:12px;font-weight:800;color:var(--gold-deep);letter-spacing:2px;margin-bottom:10px;
}
.feature-card h3{font-size:16.5px;font-weight:800;line-height:1.5}
.feature-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.82}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:#fff4d6;color:#a86a00;letter-spacing:.4px;
}
.tag--ink{background:rgba(26,31,61,.08);color:var(--ink)}

/* ===== scene cards ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.scene-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .thumb img{transform:scale(1.06)}
.scene-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(26,31,61,.82);color:#ffd35c}
.scene-card .body{padding:20px 20px 24px}
.scene-card h3{font-size:17px;font-weight:800}
.scene-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.82}

/* ===== timeline ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(255,180,0,.15),rgba(255,180,0,.75),rgba(255,180,0,.15));
}
.tl-step{position:relative;padding-top:0}
.tl-dot{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));color:#1a1f3d;font-weight:900;font-size:17px;
  box-shadow:0 10px 24px rgba(255,180,0,.3);position:relative;z-index:2;margin-bottom:16px;
}
.tl-step h3{font-size:16.5px;font-weight:800;color:#fff}
.tl-step p{margin-top:8px;font-size:13.8px;color:#a9b0d4;line-height:1.82}

/* ===== tips split ===== */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.tip-list{display:grid;gap:14px}
.tip-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-sm);transition:border-color .22s ease,transform .22s ease;
}
.tip-item:hover{border-color:rgba(255,180,0,.55);transform:translateX(4px)}
.tip-item .num{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:var(--ink);color:var(--gold-2);font-size:13.5px;font-weight:800;
}
.tip-item h4{font-size:15px;font-weight:800}
.tip-item p{font-size:13.8px;color:var(--muted);margin-top:4px;line-height:1.78}

/* ===== multi-device ===== */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.device-item{
  display:flex;gap:14px;padding:20px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  transition:background .22s ease,border-color .22s ease;
}
.device-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.4)}
.device-item .di-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:var(--gold-2);
}
.device-item .di-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.device-item h3{font-size:15.5px;font-weight:800;color:#fff}
.device-item p{font-size:13.6px;color:#a9b0d4;margin-top:5px;line-height:1.78}

/* ===== audit ===== */
.audit-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 30px;box-shadow:var(--shadow-sm);
}
.audit-list{display:grid;gap:14px;margin-top:22px}
.audit-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.4px;color:#3b4166}
.audit-list li .check{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:#e8f7ee;color:#12894c;font-size:12px;font-weight:900;margin-top:3px;
}
.audit-side{
  background:linear-gradient(150deg,#1a1f3d,#2b3160);color:#e8eaf6;border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow-md);
}
.audit-side h3{font-size:19px;font-weight:800;color:#fff}
.audit-side p{margin-top:12px;font-size:14px;color:#aeb5d8;line-height:1.85}
.audit-side .kpi{display:flex;gap:26px;margin-top:22px;padding-top:20px;border-top:1px dashed rgba(255,255,255,.18)}
.audit-side .kpi div strong{display:block;font-size:22px;color:var(--gold-2);font-weight:800}
.audit-side .kpi div span{font-size:12.5px;color:#9aa2cb}

/* ===== voice ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .24s ease,box-shadow .24s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.voice-card .quote{font-size:14.6px;color:#333a5e;line-height:1.9}
.voice-card .who{display:flex;align-items:center;gap:10px;margin-top:18px}
.voice-card .avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffe6ad,#ffb400);color:#1a1f3d;font-weight:800;font-size:14px;
}
.voice-card .who b{font-size:14px;font-weight:800}
.voice-card .who span{display:block;font-size:12px;color:var(--muted)}

/* ===== topic rail ===== */
.rail{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}
.rail-card{
  flex:0 0 300px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rail-card .thumb{aspect-ratio:16/9;overflow:hidden}
.rail-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rail-card:hover .thumb img{transform:scale(1.06)}
.rail-card .body{padding:16px 18px 20px}
.rail-card h3{font-size:15.5px;font-weight:800;line-height:1.55}
.rail-card p{margin-top:6px;font-size:13.4px;color:var(--muted);line-height:1.78}

/* ===== changelog ===== */
.log-list{display:grid;gap:0}
.log-item{
  display:grid;grid-template-columns:120px 1fr;gap:20px;padding:22px 0;border-bottom:1px dashed var(--line);
}
.log-item:last-child{border-bottom:0}
.log-ver{font-size:14px;font-weight:900;color:var(--gold-deep);letter-spacing:.6px}
.log-ver small{display:block;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:0}
.log-item h3{font-size:15.5px;font-weight:800}
.log-item p{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.8}

/* ===== steps ===== */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-card .st-no{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));color:#1a1f3d;font-weight:900;font-size:15px;margin-bottom:14px;
}
.step-card h3{font-size:16.5px;font-weight:800}
.step-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.82}

/* ===== faq ===== */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
}
.faq-item h3{font-size:16px;font-weight:800;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 .q{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background:#fff4d6;color:#a86a00;font-size:13px;font-weight:900;margin-top:2px;
}
.faq-item p{margin-top:10px;font-size:14.2px;color:#424a70;line-height:1.9;padding-left:34px}

/* ===== news / cms ===== */
.news-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:30px;align-items:start}
.post-list{display:grid;gap:16px}
.post-card{
  display:grid;grid-template-columns:180px 1fr;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.post-card .pc-thumb{overflow:hidden;min-height:132px}
.post-card .pc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .pc-thumb img{transform:scale(1.05)}
.post-card .pc-body{padding:16px 18px 18px 0}
.post-card h3{font-size:16px;font-weight:800;line-height:1.55}
.post-card p{margin-top:6px;font-size:13.6px;color:var(--muted);line-height:1.78}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px;font-size:12.5px;color:var(--muted)}
.post-meta .pm-tag{background:#fff4d6;color:#a86a00;font-weight:700;padding:2px 9px;border-radius:999px}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);
}
.side-panel h3{font-size:16px;font-weight:800;padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:14px;margin-top:16px}
.side-item{display:flex;gap:12px;align-items:flex-start;transition:opacity .2s ease}
.side-item:hover{opacity:.78}
.side-item .si-no{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;background:var(--ink);color:var(--gold-2);margin-top:2px;
}
.side-item h4{font-size:14px;font-weight:700;line-height:1.6}
.side-item span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.empty-note{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px 22px;text-align:center;color:var(--muted);font-size:14px;
}
.more-row{margin-top:20px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--gold);padding-bottom:3px;
}
.more-link:hover{color:var(--gold-deep)}

/* ===== final cta ===== */
.cta-band{
  position:relative;overflow:hidden;color:#fff;border-radius:var(--radius-lg);
  padding:46px 44px;box-shadow:var(--shadow-lg);
  background:
    linear-gradient(135deg,rgba(21,26,51,.94),rgba(43,49,96,.92)),
    url('/assets/images/64b9f806e27ae35f.webp') center/cover no-repeat;
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:900;line-height:1.4}
.cta-band p{margin-top:12px;font-size:14.8px;color:#c2c8e6;line-height:1.9;max-width:540px}
.cta-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:22px}
.cta-form label{font-size:13px;color:#cfd4ec;display:block;margin-bottom:8px}
.cta-form .row{display:flex;gap:10px}
.cta-form input{
  flex:1;min-width:0;padding:12px 15px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.94);color:var(--ink);font-size:14px;
}
.cta-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,180,0,.3)}

/* ===== footer ===== */
.site-footer{background:#151a33;color:#a7aed0;padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-brand p{margin-top:14px;font-size:13.6px;line-height:1.9;color:#8f97bd;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;font-weight:800;margin-bottom:14px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.6px;color:#9aa2c8}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.6px;color:#7d85ad;
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .channel-grid,.scene-grid,.voice-grid,.step-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid-4{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px}
  .timeline::before{display:none}
  .split{grid-template-columns:1fr;gap:28px}
  .device-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .head-search{display:none}
  .brand-name{font-size:17.5px}
  .hero{padding:44px 0 56px}
  .hero-actions{gap:10px}
  .btn{padding:11px 20px;font-size:14px}
  .channel-grid,.scene-grid,.voice-grid,.step-grid,.card-grid-4{grid-template-columns:1fr}
  .post-card{grid-template-columns:1fr}
  .post-card .pc-thumb{min-height:170px;max-height:190px}
  .post-card .pc-body{padding:0 18px 18px}
  .cta-band{padding:32px 22px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .log-item{grid-template-columns:1fr;gap:6px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .audit-box,.audit-side{padding:24px 20px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .stat-grid{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:0}
  .hero h1{font-size:26px}
  .hero-meta{gap:18px}
  .cd-cell b{font-size:20px}
  .cta-form .row{flex-direction:column}
  .rail-card{flex:0 0 84%}
  .nav-item{padding:9px 14px;font-size:13.5px}
}

/* roulang page: article */
:root{
  --ink:#1a1f3d;
  --ink-2:#242a52;
  --ink-3:#2f3768;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --gold-deep:#f08c00;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b2040;
  --muted:#6b7194;
  --line:#e6e8f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 18px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.10);
  --shadow-lg:0 24px 56px rgba(26,31,61,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:20px}
svg{display:inline-block}
button,input{font:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}

/* ===== Header ===== */
.site-header{
  position:relative;
  background:linear-gradient(165deg,#151a33 0%,#1a1f3d 48%,#262d59 100%);
  color:#e9ebf7;
  border-bottom:1px solid rgba(255,180,0,.16);
  overflow:hidden;
}
.site-header::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;
  background:radial-gradient(closest-side,rgba(255,180,0,.16),transparent 70%);
  pointer-events:none;
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0 10px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:18px;
  box-shadow:0 8px 20px rgba(255,180,0,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.6px;line-height:1.2;display:block}
.brand-sub{font-size:12px;color:#98a0c9;letter-spacing:1px;display:block}
.head-tools{display:flex;align-items:center;gap:14px}
.head-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:8px 14px;color:#c3c9e8;font-size:13px;
}
.head-search input{
  background:transparent;border:0;outline:none;color:#e9ebf7;width:130px;font-size:13px;
}
.head-search input::placeholder{color:#8b93bd}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;border-radius:999px;padding:12px 24px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 45%,var(--gold-deep));
  color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.36)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
  background:rgba(255,255,255,.06);color:#eef0fa;border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.head-cta{white-space:nowrap}
.nav-strip{
  display:flex;gap:10px;overflow-x:auto;padding:8px 0 18px;position:relative;z-index:2;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-strip::-webkit-scrollbar{display:none}
.nav-item{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
  color:#c8cde9;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.045);white-space:nowrap;
  transition:all .22s ease;
}
.nav-item svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.4);transform:translateY(-1px)}
.nav-item.active{
  color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.26);
}

/* ===== Page banner (矮横幅，左对齐) ===== */
.page-hero{
  position:relative;overflow:hidden;color:#eef0fa;
  padding:34px 0 42px;
  background:
    linear-gradient(115deg,rgba(21,26,51,.95) 0%,rgba(26,31,61,.9) 52%,rgba(47,55,104,.92) 100%),
    url('/assets/images/64b9f806e27ae35f.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,180,0,.2),transparent 72%);pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9aa2cb;margin-bottom:18px;position:relative;z-index:2}
.crumbs a:hover{color:var(--gold-2)}
.crumbs .sep{opacity:.55}
.crumbs .now{color:#dfe3f6;max-width:min(100%,560px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero .hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
  color:var(--gold-2);font-size:12.5px;font-weight:700;letter-spacing:1px;
  position:relative;z-index:2;
}
.page-hero .hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.page-title{
  position:relative;z-index:2;
  margin:16px 0 14px;
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.34;font-weight:900;letter-spacing:.5px;color:#fff;
  max-width:900px;
}
.page-lead{position:relative;z-index:2;color:#bcc2e2;font-size:15.5px;line-height:1.95;max-width:760px;margin:0 0 20px}
.page-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;position:relative;z-index:2}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12.8px;font-weight:600;
  color:#d7dcf3;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.meta-chip strong{color:var(--gold-2);font-weight:800}

/* ===== Sections ===== */
.section{padding:62px 0}
.section--tight{padding:44px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{background:linear-gradient(150deg,#171c38,#1a1f3d 45%,#242a52);color:#e8eaf6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section--ink .eyebrow{color:var(--gold-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.sec-title{font-size:clamp(21px,2.5vw,30px);line-height:1.42;font-weight:800;letter-spacing:.4px;margin:0 0 12px}
.sec-desc{color:var(--muted);font-size:15.2px;line-height:1.9;margin:0}
.section--ink .sec-desc{color:#a9b0d4}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head .sec-desc{max-width:640px}

/* ===== 数据条 ===== */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-34px;position:relative;z-index:3;
}
.data-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.data-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.data-card .num{display:block;font-size:26px;font-weight:900;color:var(--ink);letter-spacing:.5px}
.data-card .num em{font-style:normal;color:var(--gold-deep);font-size:15px;margin-left:2px}
.data-card .lab{display:block;font-size:13px;color:var(--muted);margin-top:4px;letter-spacing:.5px}

/* ===== 文章正文 ===== */
.article-shell{max-width:880px;margin:0 auto}
.article-cover{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
  border:1px solid var(--line);margin-bottom:28px;position:relative;background:#dfe3f2;
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover .cover-tag{
  position:absolute;left:16px;bottom:16px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(26,31,61,.82);color:var(--gold-2);border:1px solid rgba(255,180,0,.4);
  backdrop-filter:blur(4px);
}
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 40px;box-shadow:var(--shadow-sm);
  font-size:16.2px;line-height:1.98;color:#2a3055;
}
.article-body h2{
  font-size:22px;font-weight:800;color:var(--ink);margin:34px 0 14px;
  padding-left:14px;border-left:4px solid var(--gold);line-height:1.5;
}
.article-body h3{font-size:18px;font-weight:800;color:var(--ink-3);margin:26px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body li::marker{color:var(--gold-deep);font-weight:700}
.article-body a{color:#2b3a9a;border-bottom:1px solid rgba(43,58,154,.3)}
.article-body a:hover{color:var(--gold-deep);border-bottom-color:var(--gold-deep)}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;border-radius:var(--radius);
  background:#fffaf0;border-left:4px solid var(--gold);color:#4a4a68;font-size:15.4px;
}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.6px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#f4f6fd;color:var(--ink);font-weight:700}
.article-body strong{color:var(--ink)}
.notice-box{
  margin:26px 0 0;padding:20px 24px;border-radius:var(--radius);
  background:#f4f6fd;border:1px dashed #cfd5ea;color:#4b5279;font-size:14.6px;
}
.notice-box strong{color:var(--ink)}
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin:0 0 10px}
.empty-state p{color:var(--muted);margin:0 0 22px}

/* 文中 CTA */
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  margin:28px 0 0;padding:24px 28px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#1b2145,#2a3163);color:#e8eaf6;
  box-shadow:var(--shadow-md);
}
.inline-cta p{margin:0;font-size:15px;color:#c5cbe8}
.inline-cta strong{color:var(--gold-2)}

/* ===== 时间线 ===== */
.timeline{position:relative;margin:0;padding:0;list-style:none}
.timeline::before{
  content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.65),rgba(255,180,0,.05));
}
.timeline li{position:relative;padding:0 0 26px 58px}
.timeline li:last-child{padding-bottom:0}
.timeline .dot{
  position:absolute;left:8px;top:4px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--gold);color:var(--gold-deep);
  display:grid;place-items:center;font-size:12px;font-weight:900;
  box-shadow:0 0 0 5px rgba(255,180,0,.12);
}
.timeline h3{font-size:17px;font-weight:800;color:var(--ink);margin:0 0 6px}
.timeline p{margin:0;color:#545b80;font-size:15px;line-height:1.9}
.timeline .tag{
  display:inline-block;margin-left:8px;padding:1px 10px;border-radius:999px;
  font-size:11.8px;font-weight:700;background:rgba(255,180,0,.16);color:#a86800;vertical-align:2px;
}

/* ===== 卡片网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin:0 0 10px}
.card p{margin:0;color:#5b6285;font-size:14.8px;line-height:1.9}
.card .card-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#fff3d6,#ffe0a8);color:#a86800;margin-bottom:14px;
  font-weight:900;font-size:16px;
}
.card-ink{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);box-shadow:none}
.card-ink h3{color:#fff}
.card-ink p{color:#a9b0d4}
.card-ink:hover{border-color:rgba(255,180,0,.5);box-shadow:0 18px 36px rgba(0,0,0,.28)}

/* ===== 规则调整列表 ===== */
.log-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.log-list li{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease;
}
.log-list li:hover{border-color:rgba(255,180,0,.5);transform:translateX(3px)}
.log-list .ver{
  flex:0 0 auto;padding:3px 12px;border-radius:999px;font-size:12.4px;font-weight:800;
  background:#eef1fb;color:var(--ink-3);letter-spacing:.5px;
}
.log-list .log-txt{font-size:14.9px;color:#4e5579;line-height:1.85}
.log-list .log-txt strong{color:var(--ink)}

/* ===== 延伸阅读 ===== */
.read-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.read-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.read-thumb{aspect-ratio:16/10;overflow:hidden;background:#e9ecf7}
.read-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.read-card:hover .read-thumb img{transform:scale(1.05)}
.read-body{padding:16px 18px 18px}
.read-body h3{font-size:15.4px;font-weight:800;color:var(--ink);margin:0 0 8px;line-height:1.6}
.read-body span{font-size:12.6px;color:var(--muted)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 54px 18px 22px;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--gold-deep);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-item .faq-a{padding:0 22px 20px;color:#545b80;font-size:15px;line-height:1.95}

/* ===== 保障条 ===== */
.assure{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);padding:26px;margin-top:26px;
}
.assure div{display:flex;gap:12px;align-items:flex-start;color:#c3c9e8;font-size:14.6px;line-height:1.8}
.assure b{display:block;color:#fff;font-size:15.4px;margin-bottom:4px}
.assure .ok{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,180,0,.18);color:var(--gold-2);font-size:13px;font-weight:900;
}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;color:#eef0fa;
  background:
    linear-gradient(120deg,rgba(20,25,49,.96),rgba(38,45,89,.92)),
    url('/assets/images/9386392eafc57951.webp') center/cover no-repeat;
  border-radius:var(--radius-lg);padding:40px 44px;box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,180,0,.22),transparent 72%);
}
.cta-band h2{font-size:clamp(21px,2.5vw,28px);font-weight:900;margin:0 0 12px;color:#fff;position:relative;z-index:2}
.cta-band p{color:#bcc2e2;font-size:15.2px;line-height:1.9;margin:0 0 22px;max-width:640px;position:relative;z-index:2}
.remind-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;position:relative;z-index:2}
.remind-form input[type="text"]{
  flex:1 1 260px;max-width:340px;padding:13px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:14.6px;outline:none;transition:border-color .2s ease,background .2s ease;
}
.remind-form input[type="text"]::placeholder{color:#98a0c9}
.remind-form input[type="text"]:focus{border-color:var(--gold);background:rgba(255,255,255,.14)}
.form-note{font-size:13.2px;color:var(--gold-2);margin:12px 0 0;position:relative;z-index:2;min-height:20px}
.live-line{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
  color:var(--gold-2);font-size:12.6px;font-weight:700;margin-bottom:16px;
  position:relative;z-index:2;
}
.live-line i{width:7px;height:7px;border-radius:50%;background:var(--gold);font-style:normal;box-shadow:0 0 0 4px rgba(255,180,0,.2)}

/* ===== Footer ===== */
.site-footer{background:#151a33;color:#a9b0d4;padding:52px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin:0;font-size:14.4px;line-height:1.9;color:#98a0c9;max-width:420px}
.footer-col h4{font-size:14.6px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col a{font-size:14px;color:#a9b0d4}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13.2px;color:#8189b3;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .data-strip{grid-template-columns:repeat(2,1fr)}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .assure{grid-template-columns:1fr 1fr}
  .article-body{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .brand-row{flex-wrap:wrap;gap:12px}
  .head-tools{width:100%;justify-content:space-between}
  .head-search{flex:1 1 auto}
  .head-search input{width:100%}
  .page-hero{padding:26px 0 34px}
  .section{padding:46px 0}
  .sec-head{margin-bottom:24px}
  .data-strip{margin-top:-24px;gap:12px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr}
  .article-body{padding:26px 20px;font-size:15.6px}
  .article-body h2{font-size:20px}
  .inline-cta{padding:20px 22px}
  .cta-band{padding:30px 24px}
  .timeline li{padding-left:50px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .wrap{width:calc(100% - 28px)}
  .brand-name{font-size:17.5px}
  .brand-sub{font-size:11px}
  .data-strip{grid-template-columns:1fr 1fr}
  .data-card{padding:16px 16px}
  .data-card .num{font-size:21px}
  .read-grid{grid-template-columns:1fr}
  .page-title{font-size:23px}
  .page-lead{font-size:14.6px}
  .btn{padding:11px 20px;font-size:14px}
  .remind-form input[type="text"]{max-width:100%}
  .log-list li{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --ink:#1a1f3d;
  --ink-2:#242a52;
  --ink-3:#2f3768;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --gold-deep:#f08c00;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b2040;
  --muted:#6b7194;
  --line:#e6e8f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 18px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.10);
  --shadow-lg:0 24px 56px rgba(26,31,61,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
button,input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ===== Header ===== */
.site-header{
  position:relative;
  background:linear-gradient(165deg,#151a33 0%,#1a1f3d 48%,#262d59 100%);
  color:#e9ebf7;
  border-bottom:1px solid rgba(255,180,0,.16);
  overflow:hidden;
}
.site-header::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;
  background:radial-gradient(closest-side,rgba(255,180,0,.16),transparent 70%);
  pointer-events:none;
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0 10px;position:relative;z-index:2;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand > span:last-child{display:flex;flex-direction:column;line-height:1.25}
.brand-mark{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:18px;
  box-shadow:0 8px 20px rgba(255,180,0,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.6px;line-height:1.2;color:#fff}
.brand-sub{font-size:12px;color:#98a0c9;letter-spacing:1px}
.head-tools{display:flex;align-items:center;gap:12px}
.head-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:8px 14px;color:#c3c9e8;font-size:13px;
}
.head-search svg{flex:0 0 auto}
.head-search input{
  background:transparent;border:0;outline:none;color:#e9ebf7;width:130px;font-size:13px;
}
.head-search input::placeholder{color:#8b93bd}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;border-radius:999px;padding:12px 24px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 45%,var(--gold-deep));
  color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.36)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.head-cta{white-space:nowrap}
.nav-strip{
  display:flex;gap:10px;overflow-x:auto;padding:8px 0 18px;position:relative;z-index:2;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-strip::-webkit-scrollbar{display:none}
.nav-item{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
  color:#c8cde9;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.045);white-space:nowrap;
  transition:all .22s ease;
}
.nav-item svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.4);transform:translateY(-1px)}
.nav-item.active{
  color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.26);
}

/* ===== Hero ===== */
.page-hero{
  position:relative;color:#eef0fa;padding:52px 0 58px;overflow:hidden;
  background:
    linear-gradient(140deg,rgba(18,23,46,.96) 0%,rgba(26,31,61,.9) 50%,rgba(47,55,104,.92) 100%),
    url('/assets/images/64b9f806e27ae35f.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,180,0,.2),transparent 72%);pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{font-size:12.5px;letter-spacing:1px;color:#9aa2cb;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:#9aa2cb}
.crumb a:hover{color:var(--gold-2)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--gold-2)}
.page-hero h1{
  margin:16px 0 16px;font-size:clamp(26px,3.7vw,40px);line-height:1.3;font-weight:900;
  letter-spacing:.6px;color:#fff;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--gold-2),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero .lead{color:#bcc2e2;font-size:15.5px;line-height:1.95;max-width:760px}
.version-bar{
  margin-top:32px;display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:20px 6px;
}
.version-node{padding:2px 20px;display:flex;gap:12px;align-items:flex-start}
.version-node + .version-node{border-left:1px dashed rgba(255,255,255,.16)}
.version-node .dot{
  width:10px;height:10px;border-radius:50%;background:var(--gold);
  margin-top:9px;flex:0 0 auto;box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.version-node strong{display:block;color:#fff;font-size:14.5px;letter-spacing:.4px}
.version-node span{display:block;font-size:12.5px;color:#a4abce;line-height:1.7}
.sub-form{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;max-width:620px}
.sub-form input{
  flex:1 1 260px;min-width:0;padding:13px 20px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#939ac1}
.sub-form input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22);outline:none}
.sub-note{font-size:12.5px;color:#8f96bd;margin-top:12px}

/* ===== Sections ===== */
.section{padding:64px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{
  background:linear-gradient(150deg,#171c38,#1a1f3d 45%,#242a52);
  color:#e8eaf6;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section--ink .eyebrow{color:var(--gold-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.sec-title{font-size:clamp(21px,2.5vw,30px);line-height:1.45;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.section--ink .sec-title{color:#fff}
.sec-desc{color:var(--muted);font-size:14.8px;line-height:1.9;margin-top:12px;max-width:820px}
.section--ink .sec-desc{color:#a9b0d4}
.sec-head{margin-bottom:30px;max-width:900px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.split__media:hover img{transform:scale(1.04)}
.media-badge{
  position:absolute;left:16px;bottom:16px;padding:7px 15px;border-radius:999px;
  background:rgba(26,31,61,.82);color:var(--gold-2);font-size:12.5px;font-weight:700;
  letter-spacing:1px;backdrop-filter:blur(6px);
}
.split__body p{color:var(--muted);font-size:15px;line-height:1.95;margin-top:14px}
.section--ink .split__body p{color:#a9b0d4}
.tick-list{margin-top:22px;display:grid;gap:12px}
.tick-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.section--ink .tick-list li{color:#d5d9f0}
.tick-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;border-radius:6px;margin-top:5px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 4px 10px rgba(255,180,0,.3);
}
.tick-list strong{color:var(--ink);font-weight:700}
.section--ink .tick-list strong{color:var(--gold-2)}

/* mechanism grid */
.mech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mech{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mech:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
.mech-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(255,211,92,.28),rgba(240,140,0,.2));
  color:var(--gold-deep);font-weight:900;font-size:14px;letter-spacing:.5px;
}
.mech h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.mech p{font-size:14px;color:var(--muted);line-height:1.85}

/* checklist + stats */
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#d5d9f0;
  padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.12);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li::before{
  content:"✓";flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;
  background:rgba(255,180,0,.16);color:var(--gold-2);border:1px solid rgba(255,180,0,.4);
}
.stat-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);padding:24px;
}
.stat{
  padding:18px 16px;border-radius:var(--radius);background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);transition:background .2s ease,transform .2s ease;
}
.stat:hover{background:rgba(255,180,0,.1);transform:translateY(-3px)}
.stat strong{display:block;font-size:26px;font-weight:900;color:var(--gold-2);line-height:1.2;letter-spacing:.5px}
.stat span{display:block;font-size:12.8px;color:#a4abce;margin-top:4px;letter-spacing:.5px}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.timeline li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.timeline li::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:3px;
  border-radius:0 0 3px 3px;background:linear-gradient(90deg,var(--gold),var(--gold-deep));
}
.timeline li:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:var(--gold-deep);background:rgba(255,180,0,.12);border-radius:999px;
  padding:4px 12px;margin-bottom:12px;
}
.timeline h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px}
.timeline p{font-size:13.8px;color:var(--muted);line-height:1.85}

/* tips */
.tip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tip{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tip:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.tip h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:10px}
.tip p{font-size:14px;color:var(--muted);line-height:1.9}
.tip--wide{grid-column:1 / -1;display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:center;padding:22px}
.tip--wide img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-sm)}

/* changelog */
.log-list{margin-top:8px}
.log-list li{
  display:grid;grid-template-columns:104px 1fr;gap:20px;align-items:start;
  padding:22px 0;border-bottom:1px dashed var(--line);
}
.log-list li:last-child{border-bottom:0}
.log-tag{
  display:inline-flex;align-items:center;justify-content:center;
  padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:800;letter-spacing:.5px;
  background:rgba(26,31,61,.06);color:var(--ink-3);border:1px solid var(--line);
}
.log-list h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.log-list p{font-size:14px;color:var(--muted);line-height:1.85}
.log-date{display:inline-block;margin-top:8px;font-size:12.5px;color:#98a0bd;letter-spacing:.5px}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
.post-card h3{font-size:16px;font-weight:800;line-height:1.6;color:var(--ink)}
.post-card p{font-size:13.8px;color:var(--muted);line-height:1.85}
.post-meta{margin-top:auto;padding-top:6px;font-size:12.2px;color:#98a0bd;letter-spacing:.5px}
.empty-note{
  padding:26px 24px;border-radius:var(--radius);border:1px dashed var(--line);
  background:#fff;color:var(--muted);font-size:14px;text-align:center;
}

/* faq */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.5)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:var(--ink);
  font-size:15.2px;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--gold-deep);font-size:20px;font-weight:700;line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14px;line-height:1.9}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1a1f3d,#2f3768 70%,#3a4380);
  border-radius:var(--radius-lg);padding:44px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  color:#e9ebf7;box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-130px;width:330px;height:330px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,180,0,.22),transparent 72%);pointer-events:none;
}
.cta-band h2{
  font-size:clamp(20px,2.3vw,27px);font-weight:800;color:#fff;line-height:1.45;margin-bottom:12px;
  position:relative;z-index:2;
}
.cta-band p{color:#b6bce0;font-size:14.6px;line-height:1.9;position:relative;z-index:2;margin:0}
.cta-band .sub-form{margin-top:0;position:relative;z-index:2;max-width:100%}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(165deg,#151a33,#1a1f3d 60%,#242a52);
  color:#c7cce7;padding:56px 0 26px;
  border-top:1px solid rgba(255,180,0,.16);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{font-size:18px}
.footer-brand p{font-size:13.5px;color:#99a0c6;line-height:1.9;max-width:380px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:1px;font-weight:800}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{font-size:13.5px;color:#a3aacd}
.footer-col ul a:hover{color:var(--gold-2)}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#848bb3;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .section{padding:54px 0}
  .split{gap:32px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .tip--wide{grid-template-columns:1fr}
  .tip--wide img{aspect-ratio:16/9}
}
@media (max-width:860px){
  .brand-row{gap:14px}
  .head-search{display:none}
  .split{grid-template-columns:1fr}
  .split--reverse .split__media{order:-1}
  .version-bar{grid-template-columns:1fr;padding:18px}
  .version-node + .version-node{border-left:0;border-top:1px dashed rgba(255,255,255,.16);margin-top:14px;padding-top:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .mech-grid{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr}
  .page-hero{padding:40px 0 46px}
  .nav-item{padding:9px 15px;font-size:13.6px}
  .stat-panel{grid-template-columns:1fr 1fr}
  .log-list li{grid-template-columns:1fr;gap:10px}
  .head-cta{display:none}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .section{padding:44px 0}
  .timeline{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat-panel{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .sub-form{flex-direction:column}
  .sub-form input,.sub-form .btn{width:100%}
  .brand-name{font-size:17px}
  .brand-sub{font-size:11.4px}
  .brand-mark{width:40px;height:40px;border-radius:12px;font-size:16px}
  .faq-item{padding:0 16px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#242a52;
 --ink-3:#2f3768;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-deep:#f08c00;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2040;
 --muted:#6b7194;
 --line:#e6e8f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 6px 18px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{background:linear-gradient(150deg,#171c38,#1a1f3d 45%,#242a52);color:#e8eaf6}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--gold-deep);margin-bottom:12px}
.section--ink .eyebrow{color:var(--gold-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.sec-title{font-size:clamp(22px,2.6vw,31px);line-height:1.42;font-weight:800;letter-spacing:.4px}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.2px;line-height:1.85}
.section--ink .sec-desc{color:#a9b0d4}
/* ===== Header ===== */
.site-header{
 position:relative;
 background:linear-gradient(165deg,#151a33 0%,#1a1f3d 48%,#262d59 100%);
 color:#e9ebf7;border-bottom:1px solid rgba(255,180,0,.16);overflow:hidden;
}
.site-header::after{content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;background:radial-gradient(closest-side,rgba(255,180,0,.16),transparent 70%);pointer-events:none}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0 10px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:46px;height:46px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:18px;
 box-shadow:0 8px 20px rgba(255,180,0,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.6px;line-height:1.2;display:block}
.brand-sub{font-size:12px;color:#98a0c9;letter-spacing:1px;display:block}
.head-tools{display:flex;align-items:center;gap:12px}
.head-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:999px;padding:8px 14px;color:#c3c9e8;font-size:13px;
 transition:border-color .2s ease,background .2s ease;
}
.head-search:focus-within{border-color:rgba(255,180,0,.55);background:rgba(255,255,255,.12)}
.head-search input{background:transparent;border:0;outline:none;color:#e9ebf7;width:132px;font-size:13px}
.head-search input::placeholder{color:#8b93bd}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:0;cursor:pointer;border-radius:999px;padding:12px 24px;
 font-size:15px;font-weight:700;letter-spacing:.4px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold) 45%,var(--gold-deep));color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.28)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.36)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{background:rgba(255,255,255,.06);color:#eef0fa;border:1px solid rgba(255,255,255,.24)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid rgba(26,31,61,.18)}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.1);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.head-cta{white-space:nowrap}
.nav-strip{display:flex;gap:10px;overflow-x:auto;padding:8px 0 18px;position:relative;z-index:2;scrollbar-width:none;-ms-overflow-style:none}
.nav-strip::-webkit-scrollbar{display:none}
.nav-item{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
 padding:10px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
 color:#c8cde9;border:1px solid rgba(255,255,255,.12);
 background:rgba(255,255,255,.045);white-space:nowrap;transition:all .22s ease;
}
.nav-item svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.4);transform:translateY(-1px)}
.nav-item.active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.26)}
/* ===== Category Hero ===== */
.cat-hero{
 position:relative;overflow:hidden;color:#eef0fa;padding:56px 0 68px;
 background:linear-gradient(132deg,rgba(17,21,42,.96) 0%,rgba(26,31,61,.9) 46%,rgba(48,56,105,.94) 100%),
 url('/assets/images/64b9f806e27ae35f.webp') center/cover no-repeat;
}
.cat-hero::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,180,0,.2),transparent 72%);pointer-events:none}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:#98a0c9;margin-bottom:18px}
.crumbs a:hover{color:var(--gold-2)}
.crumbs span.sep{opacity:.5}
.cat-hero h1{font-size:clamp(27px,3.6vw,41px);line-height:1.3;font-weight:900;color:#fff;letter-spacing:.5px}
.cat-hero h1 .accent{background:linear-gradient(120deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:16px;color:#bcc2e2;font-size:15.4px;line-height:1.95;max-width:610px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:30px;margin-top:32px;padding-top:22px;border-top:1px dashed rgba(255,255,255,.16)}
.hero-meta div span{display:block;font-size:12.5px;color:#9aa2cb;letter-spacing:1px}
.hero-meta div strong{font-size:21px;color:var(--gold-2);font-weight:800}
.rhythm-panel{
 background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.17);
 border-radius:var(--radius-lg);padding:22px 22px 18px;
 box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
}
.rhythm-title{font-size:14px;letter-spacing:1.5px;color:var(--gold-2);font-weight:800;margin-bottom:6px}
.rhythm-sub{font-size:12.5px;color:#98a0c9;margin-bottom:14px}
.rhythm-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.rhythm-row:last-of-type{border-bottom:0}
.rhythm-row b{font-size:14.2px;font-weight:700;color:#fff}
.rhythm-row em{font-style:normal;font-size:12.8px;color:#c6cbe9;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);border-radius:999px;padding:3px 10px;white-space:nowrap}
.rhythm-note{margin-top:12px;font-size:12.2px;color:#8f97bf;line-height:1.7}
/* ===== Scenario cards ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scenario-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.scenario-no{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,rgba(255,211,92,.85),rgba(255,180,0,.85));color:#1a1f3d;
 font-weight:900;font-size:14px;margin-bottom:14px;
}
.scenario-card h3{font-size:17px;font-weight:800;letter-spacing:.3px}
.scenario-card p{margin-top:9px;font-size:14.2px;color:var(--muted);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
.tag{font-size:12px;font-weight:700;color:#8a5a00;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);border-radius:999px;padding:3px 10px}
/* ===== Stat band ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.stat-item{padding:20px 18px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.stat-item strong{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:900;color:var(--gold-2);letter-spacing:.5px}
.stat-item span{display:block;margin-top:6px;font-size:13.4px;color:#a9b0d4}
/* ===== Flow ===== */
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow-step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm)}
.flow-step::before{
 counter-increment:flow;content:"0" counter(flow);
 display:block;font-size:13px;font-weight:900;letter-spacing:2px;color:var(--gold-deep);margin-bottom:10px;
}
.flow-step h3{font-size:16.4px;font-weight:800}
.flow-step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
/* ===== Insight ===== */
.insight-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center}
.insight-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.insight-media img{width:100%;height:100%;object-fit:cover;min-height:320px}
.insight-media figcaption{
 position:absolute;left:14px;right:14px;bottom:14px;
 background:rgba(20,25,49,.82);color:#e9ebf7;font-size:12.8px;line-height:1.6;
 padding:10px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(4px);
}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{position:relative;padding-left:32px;font-size:14.8px;line-height:1.8;color:#333a63}
.check-list li::before{
 content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 box-shadow:0 4px 10px rgba(255,180,0,.32);
}
.check-list li::after{content:"";position:absolute;left:6px;top:11px;width:6px;height:3px;border-left:2px solid #1a1f3d;border-bottom:2px solid #1a1f3d;transform:rotate(-45deg)}
.insight-tip{margin-top:22px;padding:14px 18px;border-left:3px solid var(--gold);background:rgba(255,180,0,.09);border-radius:0 10px 10px 0;font-size:14.2px;color:#4a5070;line-height:1.8}
/* ===== News ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
 display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9ebf7}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-tag{align-self:flex-start;font-size:11.8px;font-weight:700;color:#8a5a00;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);border-radius:999px;padding:3px 10px}
.news-title{margin:11px 0 8px;font-size:16.4px;font-weight:800;line-height:1.55;color:var(--text)}
.news-card:hover .news-title{color:#8a5a00}
.news-excerpt{font-size:13.8px;color:var(--muted);line-height:1.78;flex:1}
.news-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px;padding-top:12px;border-top:1px dashed var(--line);font-size:12.4px;color:#9aa0bd}
.empty-tip{padding:26px 22px;border:1px dashed var(--line);border-radius:var(--radius);background:#fff;color:var(--muted);font-size:14.4px;text-align:center}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:16px 30px 16px 0;position:relative;
 font-size:16px;font-weight:800;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 width:24px;height:24px;display:grid;place-items:center;border-radius:50%;
 background:rgba(255,180,0,.16);color:#8a5a00;font-weight:900;font-size:15px;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 0 18px;font-size:14.6px;color:var(--muted);line-height:1.85}
/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,180,0,.18),transparent 72%);pointer-events:none}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;position:relative;z-index:2}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-form input[type="email"]{
 flex:1 1 240px;min-width:0;padding:13px 18px;border-radius:999px;
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
 color:#fff;font-size:14.4px;outline:none;transition:border-color .2s ease,background .2s ease;
}
.cta-form input[type="email"]::placeholder{color:#98a0c9}
.cta-form input[type="email"]:focus{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.14)}
.cta-form .btn{flex:0 0 auto}
.cta-hint{margin-top:12px;font-size:12.6px;color:#98a0c9}
.cta-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:22px}
.cta-side h3{font-size:16px;font-weight:800;color:#fff}
.cta-side ul{margin-top:14px;display:grid;gap:11px}
.cta-side li{display:flex;gap:10px;font-size:13.8px;color:#bcc2e2;line-height:1.7}
.cta-side li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--gold)}
/* ===== Footer ===== */
.site-footer{background:#111528;color:#a9b0d4;padding:54px 0 0;border-top:1px solid rgba(255,180,0,.16)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:13.8px;line-height:1.85;color:#8f97bf;max-width:420px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:1px;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#9aa2cb;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--gold-2);padding-left:4px}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.09);
 font-size:12.6px;color:#7c84ad;
}
/* ===== Responsive ===== */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:32px}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .flow-list{grid-template-columns:repeat(2,1fr)}
 .insight-grid{grid-template-columns:1fr;gap:28px}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .cta-grid{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .brand-row{flex-wrap:wrap}
 .head-search{display:none}
 .head-cta{padding:8px 16px;font-size:13px}
 .hero-meta{gap:22px}
 .news-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .card-grid,.stat-grid,.flow-list{grid-template-columns:1fr}
 .cat-hero{padding:40px 0 48px}
 .hero-actions .btn{width:100%}
 .cta-form input[type="email"]{flex:1 1 100%}
 .cta-form .btn{width:100%}
 .rhythm-row{flex-wrap:wrap;gap:6px}
 .insight-media img{min-height:220px}
 .footer-bottom{font-size:12px}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-2:#242a52;
 --ink-3:#2f3768;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-deep:#f08c00;
 --mint:#5eead4;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2040;
 --muted:#6b7194;
 --line:#e6e8f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 6px 18px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.10);
 --shadow-lg:0 24px 56px rgba(26,31,61,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ===== Header（全站统一） ===== */
.site-header{
 position:relative;
 background:linear-gradient(165deg,#151a33 0%,#1a1f3d 48%,#262d59 100%);
 color:#e9ebf7;
 border-bottom:1px solid rgba(255,180,0,.16);
 overflow:hidden;
}
.site-header::after{
 content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;
 background:radial-gradient(closest-side,rgba(255,180,0,.16),transparent 70%);
 pointer-events:none;
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0 10px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:46px;height:46px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:18px;
 box-shadow:0 8px 20px rgba(255,180,0,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.6px;line-height:1.2}
.brand-sub{font-size:12px;color:#98a0c9;letter-spacing:1px;display:block}
.head-tools{display:flex;align-items:center;gap:12px}
.head-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:999px;padding:8px 14px;color:#c3c9e8;font-size:13px;
}
.head-search input{background:transparent;border:0;outline:none;color:#e9ebf7;width:130px;font-size:13px}
.head-search input::placeholder{color:#8b93bd}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:0;cursor:pointer;border-radius:999px;padding:12px 24px;
 font-size:15px;font-weight:700;letter-spacing:.4px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-gold{
 background:linear-gradient(135deg,var(--gold-2),var(--gold) 45%,var(--gold-deep));
 color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.36)}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{background:rgba(255,255,255,.06);color:#eef0fa;border:1px solid rgba(255,255,255,.24)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.head-cta{white-space:nowrap}
.nav-strip{
 display:flex;gap:10px;overflow-x:auto;padding:8px 0 18px;position:relative;z-index:2;
 scrollbar-width:none;-ms-overflow-style:none;
}
.nav-strip::-webkit-scrollbar{display:none}
.nav-item{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
 padding:10px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
 color:#c8cde9;border:1px solid rgba(255,255,255,.12);
 background:rgba(255,255,255,.045);white-space:nowrap;
 transition:all .22s ease;
}
.nav-item svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.4);transform:translateY(-1px)}
.nav-item.active{
 color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));
 border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.26);
}

/* ===== 通用板块 ===== */
.section{padding:64px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{background:linear-gradient(150deg,#171c38,#1a1f3d 45%,#242a52);color:#e8eaf6}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;letter-spacing:2px;font-weight:700;
 color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section--ink .eyebrow{color:var(--gold-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.4;font-weight:800;letter-spacing:.4px;margin:0 0 12px}
.sec-desc{color:var(--muted);max-width:720px;margin:0;font-size:15.4px;line-height:1.95}
.section--ink .sec-desc{color:#a9b0d4}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}

/* ===== 分类页首屏 ===== */
.page-hero{
 position:relative;overflow:hidden;color:#eef0fa;padding:46px 0 66px;
 background:
 linear-gradient(135deg,rgba(17,22,45,.94) 0%,rgba(26,31,61,.9) 46%,rgba(47,55,104,.9) 100%),
 url('/assets/images/64b9f806e27ae35f.webp') center/cover no-repeat;
}
.page-hero::before{
 content:"";position:absolute;width:540px;height:540px;right:-170px;top:-230px;border-radius:50%;
 background:radial-gradient(closest-side,rgba(255,180,0,.26),transparent 70%);pointer-events:none;
}
.page-hero::after{
 content:"";position:absolute;width:440px;height:440px;left:-180px;bottom:-260px;border-radius:50%;
 background:radial-gradient(closest-side,rgba(94,234,212,.16),transparent 70%);pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#98a0c9;position:relative;z-index:2;margin-bottom:22px}
.crumb a:hover{color:var(--gold-2)}
.crumb span.sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:start;position:relative;z-index:2}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
 color:var(--gold-2);font-size:12.5px;font-weight:700;letter-spacing:1px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22)}
.page-hero h1{
 margin:18px 0 16px;font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:900;letter-spacing:.6px;color:#fff;
}
.page-hero h1 .accent{
 background:linear-gradient(120deg,var(--gold-2),var(--gold));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:#bcc2e2;font-size:15.6px;line-height:1.95;max-width:600px;margin:0}
.hero-points{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:10px}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:#c9cfe9}
.hero-points .tick{
 flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:3px;
 background:rgba(255,180,0,.18);color:var(--gold-2);display:grid;place-items:center;font-size:12px;font-weight:900;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

.speed-card{
 background:#fff;color:var(--text);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-lg);padding:24px 24px 20px;border:1px solid rgba(255,255,255,.6);
}
.speed-card h2{font-size:16px;font-weight:800;margin:0 0 4px;letter-spacing:.4px}
.speed-card .hint{font-size:12.5px;color:var(--muted);margin:0 0 16px}
.speed-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.speed-row:last-of-type{border-bottom:0}
.speed-row .k{color:var(--muted)}
.speed-row .v{font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.speed-row .v.gold{color:var(--gold-deep)}
.speed-note{
 margin-top:14px;padding:12px 14px;border-radius:10px;background:#fff8e6;
 border:1px solid #ffe3a3;color:#8a5c00;font-size:12.8px;line-height:1.7;
}

/* ===== 卡片 ===== */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px 22px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dfe2f0}
.card .icon-badge{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#fff2cf,#ffe0a3);color:var(--gold-deep);font-weight:900;font-size:16px;
 margin-bottom:14px;
}
.card h3{margin:0 0 8px;font-size:16.5px;font-weight:800;letter-spacing:.3px}
.card p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.85}
.tag{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.5px;
 background:rgba(26,31,61,.06);color:var(--ink-3);
}
.tag--gold{background:rgba(255,180,0,.16);color:#a56a00}
.tag--mint{background:rgba(94,234,212,.18);color:#0f766e}

/* ===== 判定细节两栏 ===== */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.figure-frame{
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
 border:1px solid var(--line);background:#fff;
}
.figure-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.figure-cap{padding:14px 18px;font-size:12.8px;color:var(--muted);background:#fff;border-top:1px solid var(--line)}
.step-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:16px}
.step-list li{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start}
.step-num{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:var(--ink);color:var(--gold-2);font-weight:800;font-size:14px;
 box-shadow:var(--shadow-sm);
}
.step-list h4{margin:0 0 4px;font-size:15.4px;font-weight:800}
.step-list p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.8}

/* ===== 时间线 ===== */
.timeline{position:relative;margin:8px 0 0;padding-left:26px;display:grid;gap:22px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.1))}
.tl-item{position:relative}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-item .when{font-size:12.6px;font-weight:800;color:var(--gold-deep);letter-spacing:1px}
.tl-item h4{margin:4px 0 6px;font-size:15.8px;font-weight:800}
.tl-item p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.85}
.section--ink .tl-item h4{color:#fff}
.section--ink .tl-item p{color:#a9b0d4}
.section--ink .tl-item::before{background:#1a1f3d}
.section--ink .tl-item .when{color:var(--gold-2)}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;gap:10px;
 transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scene-card h3{margin:0;font-size:16px;font-weight:800}
.scene-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.scene-card .verdict{
 font-size:13px;font-weight:700;color:var(--ink);background:#f3f5fd;
 border-left:3px solid var(--gold);border-radius:0 8px 8px 0;padding:9px 12px;
}

/* ===== 术语对照 ===== */
.term-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.term-row{
 display:grid;grid-template-columns:120px 1fr;gap:16px;
 padding:16px 4px;border-bottom:1px dashed var(--line);align-items:start;
}
.term-row .term{font-weight:800;font-size:15px;color:var(--ink)}
.term-row .desc{font-size:14.2px;color:var(--muted);line-height:1.85}

/* ===== 自查清单 ===== */
.check-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.check-list li{
 display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 18px;box-shadow:var(--shadow-sm);font-size:14.6px;line-height:1.8;
 transition:border-color .2s ease,transform .2s ease;
}
.check-list li:hover{border-color:rgba(255,180,0,.5);transform:translateX(2px)}
.check-mark{
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1f3d;font-weight:900;font-size:13px;
}
.aside-card{
 background:linear-gradient(160deg,#1a1f3d,#2b3263);color:#e8eaf6;
 border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-md);
}
.aside-card h3{margin:0 0 10px;font-size:18px;font-weight:800;color:#fff}
.aside-card p{margin:0 0 16px;font-size:14.2px;color:#a9b0d4;line-height:1.9}
.aside-card .mini{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px dashed rgba(255,255,255,.16);font-size:13.6px;color:#c9cfe9}
.aside-card .mini strong{color:var(--gold-2)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 54px 18px 20px;position:relative;
 font-size:15.6px;font-weight:800;color:var(--ink);transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:900;font-size:17px;
 transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{background:#fafbff}
.faq-body{padding:0 20px 18px;font-size:14.4px;color:var(--muted);line-height:1.95;border-top:1px dashed var(--line);margin-top:0;padding-top:14px}

/* ===== 行动区 ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px 40px;color:#eef0fa;
 background:linear-gradient(125deg,#171c38,#242a52 55%,#3a4380);box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-220px;border-radius:50%;
 background:radial-gradient(closest-side,rgba(255,180,0,.28),transparent 70%);
}
.cta-band h2{margin:0 0 12px;font-size:clamp(20px,2.4vw,28px);font-weight:900;color:#fff;position:relative;z-index:2}
.cta-band p{margin:0;color:#b7bde0;font-size:14.8px;line-height:1.95;position:relative;z-index:2;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(180deg,#151a33,#1a1f3d);color:#c4cae6;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin:0;font-size:14px;color:#98a0c9;line-height:1.95;max-width:400px}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:800;letter-spacing:1px;color:#fff}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#98a0c9}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 padding-top:22px;font-size:13px;color:#8891b8;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px}
 .quick-grid{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:26px}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .term-grid{grid-template-columns:1fr}
 .check-wrap{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:34px 26px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .brand-row{flex-wrap:wrap;gap:12px}
 .head-search{display:none}
 .head-cta{padding:8px 14px;font-size:12.8px}
 .section{padding:48px 0}
 .page-hero{padding:36px 0 48px}
 .quick-grid{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .nav-item{padding:9px 14px;font-size:13.6px}
 .term-row{grid-template-columns:96px 1fr;gap:12px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .brand-mark{width:40px;height:40px;border-radius:12px;font-size:16px}
 .brand-name{font-size:17px}
 .brand-sub{font-size:11px}
 .hero-actions .btn{width:100%}
 .speed-card{padding:20px 18px}
 .faq-item summary{font-size:14.6px;padding:16px 48px 16px 16px}
 .footer-bottom{justify-content:center;text-align:center}
}