/* roulang page: index */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --overlay:rgba(11,18,32,.86);
  --primary:#14C9A6;
  --primary-dark:#0E9C82;
  --primary-light:#6DF0D2;
  --accent:#F0B23C;
  --risk:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-img:12px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --shadow-hover:0 26px 60px -26px rgba(0,0,0,.9), 0 0 0 1px rgba(20,201,166,.25), 0 0 34px -12px rgba(20,201,166,.45);
  --ease:220ms ease;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.7;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 620px at 82% -8%, rgba(20,201,166,.14), transparent 62%),
    radial-gradient(820px 520px at -6% 22%, rgba(240,178,60,.07), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-light)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(20,201,166,.32)}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);letter-spacing:.08em;margin-bottom:12px}
.section-kicker::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.section-title{font-size:clamp(24px,3vw,36px)}
.section-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px}
.text-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ============ NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,9,16,.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{background:rgba(6,9,16,.88);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;position:relative;
  border:1.5px solid var(--primary);display:grid;place-items:center;
  background:linear-gradient(160deg,rgba(20,201,166,.20),rgba(20,201,166,.02));
  box-shadow:0 0 22px -8px rgba(20,201,166,.75);
}
.brand-mark svg{width:16px;height:16px}
.brand-text{font-weight:700;font-size:16.5px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14.5px;color:var(--text-2);border-radius:10px;white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--text)}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 12px rgba(20,201,166,.8);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-pill{
  display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;
  width:250px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 var(--glass-top);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,201,166,.16),0 0 24px -8px rgba(20,201,166,.6)}
.search-pill i{color:var(--text-3);font-size:13px}
.search-pill input{flex:1;background:none;border:none;outline:none;font-size:13.5px;color:var(--text);min-width:0}
.search-pill input::placeholder{color:var(--text-3)}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--glass-line);
  border-radius:6px;padding:2px 6px;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--primary-light);border-color:rgba(20,201,166,.45);transform:translateY(-1px)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  background:linear-gradient(180deg,var(--primary-light),var(--primary));
  color:#04150F;font-weight:700;font-size:14.5px;
  box-shadow:0 10px 26px -12px rgba(20,201,166,.9);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-main:hover{color:#04150F;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 34px -12px rgba(20,201,166,1)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--primary-light);
  font-weight:600;font-size:14.5px;
  box-shadow:inset 0 1px 0 var(--glass-top);
  transition:border-color var(--ease),transform var(--ease),color var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-ghost:hover{border-color:rgba(20,201,166,.55);color:var(--primary-light);transform:translateY(-2px)}
.btn-lg{height:50px;padding:0 26px;font-size:15.5px}
.hamburger{display:none;width:42px;height:42px;border-radius:11px;background:var(--glass);border:1px solid var(--glass-line);color:var(--text);place-items:center}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:1200;
  background:rgba(9,15,26,.96);backdrop-filter:blur(20px) saturate(140%);
  border-left:1px solid var(--glass-line);
  transform:translateX(105%);transition:transform 260ms ease;
  padding:22px 20px 26px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer a.d-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:12px;color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.drawer a.d-link:hover,.drawer a.d-link.active{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line)}
.drawer .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.drawer .search-pill{width:100%;margin-bottom:14px}
.scrim{position:fixed;inset:0;background:rgba(3,6,11,.62);backdrop-filter:blur(2px);z-index:1100;opacity:0;pointer-events:none;transition:opacity 240ms ease}
.scrim.show{opacity:1;pointer-events:auto}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:84px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(6,9,16,.62),rgba(6,9,16,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.42;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000,transparent 72%);
  opacity:.55;
}
.hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:inset 0 1px 0 var(--glass-top);
  font-size:13px;color:var(--text-2);margin-bottom:22px;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(20,201,166,.16)}
.hero h1{font-size:clamp(32px,4.4vw,52px);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:520px;margin-bottom:30px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-bar{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-3)}
.trust-bar span{display:inline-flex;align-items:center;gap:7px}
.trust-bar i{color:var(--primary);font-size:12px}
.hero-panel{
  position:relative;border-radius:var(--r-lg);padding:22px;
  background:var(--overlay);border:1px solid var(--glass-line);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.hero-panel > *{position:relative;z-index:1}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-head .label{font-size:12.5px;color:var(--text-3);letter-spacing:.06em}
.chip-version{
  font-size:12px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;
  border:1px solid rgba(240,178,60,.45);border-radius:999px;padding:3px 11px;
}
.shot{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--glass-line);
  background:linear-gradient(150deg,#0B1220,#101B2E);
  background-image:linear-gradient(150deg,rgba(20,201,166,.10),rgba(6,9,16,.9)),url('/assets/images/coverpic/cover-1.webp');
  background-size:cover;background-position:center;
}
.shot img{width:100%;height:100%;object-fit:cover}
.mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.mini{
  border-radius:var(--r-sm);padding:12px;border:1px solid var(--glass-line);
  background:rgba(255,255,255,.035);box-shadow:inset 0 1px 0 var(--glass-top);
}
.mini .v{font-size:20px;color:var(--primary-light);font-variant-numeric:tabular-nums;font-weight:700}
.mini .k{font-size:12px;color:var(--text-3);margin-top:2px}

/* ============ KPI ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi{
  position:relative;border-radius:var(--r-lg);padding:24px 22px;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.kpi::after{content:"";position:absolute;right:-26px;bottom:-26px;width:88px;height:88px;border-radius:50%;background:radial-gradient(circle,rgba(20,201,166,.20),transparent 70%)}
.kpi:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.35);box-shadow:var(--shadow-hover)}
.kpi .v{font-size:clamp(38px,4.6vw,52px);color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700;line-height:1.05}
.kpi .v small{font-size:14px;color:var(--text-3);font-weight:600;margin-left:6px}
.kpi .k{font-size:13.5px;color:var(--text-2);margin-top:8px}
.kpi .trend{font-size:12px;color:var(--primary);margin-top:10px;display:inline-flex;align-items:center;gap:5px}

/* ============ BENTO ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.bcard{
  position:relative;border-radius:var(--r-lg);padding:26px;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;gap:12px;overflow:hidden;
}
.bcard::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.bcard:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.4);box-shadow:var(--shadow-hover)}
.bspan-7{grid-column:span 7}
.bspan-5{grid-column:span 5}
.bspan-4{grid-column:span 4}
.bspan-6{grid-column:span 6}
.bspan-12{grid-column:span 12}
.bcard h3{font-size:19px}
.bcard p{color:var(--text-2);font-size:14.5px}
.bcard .bnum{font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.1em}
.ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1.5px solid rgba(20,201,166,.5);color:var(--primary-light);
  background:rgba(20,201,166,.08);font-size:17px;
}
.bcard-media{
  margin-top:auto;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--glass-line);
  background:linear-gradient(150deg,#0B1220,#101B2E);
}
.bcard-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.bcard:hover .bcard-media img{transform:scale(1.04)}
.tagline{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:var(--primary-light);background:rgba(20,201,166,.09);
  border:1px solid rgba(20,201,166,.28);
}
.tag.amber{color:var(--accent);background:rgba(240,178,60,.08);border-color:rgba(240,178,60,.32)}
.tag.risk{color:#F6A0B2;background:rgba(232,80,110,.08);border-color:rgba(232,80,110,.35)}

/* ============ COMPARE ============ */
.compare{border-radius:var(--r-lg);border:1px solid var(--glass-line);background:var(--overlay);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);overflow:hidden}
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:0;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:none}
.compare-row .cell{padding:18px 20px;font-size:14.5px;border-right:1px solid var(--line)}
.compare-row .cell:last-child{border-right:none}
.compare-row.head .cell{font-size:13px;color:var(--text-3);letter-spacing:.05em;background:rgba(255,255,255,.03)}
.compare-row .cell.dim{color:var(--text-3)}
.c-ok{display:flex;align-items:flex-start;gap:9px;color:var(--text)}
.c-ok i{color:var(--primary);margin-top:3px}
.c-bad{display:flex;align-items:flex-start;gap:9px;color:var(--text-3)}
.c-bad i{color:var(--risk);margin-top:3px}
.conclusion{
  margin-top:20px;padding:16px 20px;border-radius:var(--r-sm);
  border:1px solid rgba(20,201,166,.42);background:rgba(20,201,166,.07);
  font-size:14.5px;color:var(--text);display:flex;gap:12px;align-items:center;
}
.conclusion i{color:var(--primary)}

/* ============ CMS LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.4);box-shadow:var(--shadow-hover)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(150deg,#0B1220,#101B2E);border-bottom:1px solid var(--line)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-title{
  font-size:16.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--primary-light)}
.post-excerpt{
  color:var(--text-2);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}
.post-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.post-more{color:var(--primary);font-size:13px;display:inline-flex;align-items:center;gap:6px}
.post-more i{transition:transform var(--ease)}
.post-card:hover .post-more i{transform:translateX(3px)}
.rowlist{margin-top:26px;border-top:1px solid var(--line)}
.rowitem{display:grid;grid-template-columns:118px 1fr 28px;align-items:center;gap:16px;padding:15px 12px;border-bottom:1px solid var(--line);transition:background var(--ease)}
.rowitem:hover{background:rgba(255,255,255,.045)}
.rowitem .t{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.rowitem .h{font-size:15px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rowitem .a{color:var(--text-3);text-align:right}
.rowitem:hover .a{color:var(--primary)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;border-radius:var(--r-lg);
  border:1px dashed var(--glass-line);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:12px}

/* ============ SPLIT / FORM ============ */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.form-card{
  border-radius:var(--r-lg);padding:28px;background:var(--overlay);
  border:1px solid var(--glass-line);box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  backdrop-filter:blur(14px) saturate(140%);
}
.field{margin-bottom:18px}
.field > label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field .ctrl{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--text);
  outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea.ctrl{height:auto;padding:12px 14px;min-height:96px;resize:vertical}
.field select.ctrl{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field .ctrl:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,201,166,.16)}
.field .ctrl::placeholder{color:var(--text-3)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);cursor:pointer}
.check input{
  appearance:none;width:18px;height:18px;border-radius:5px;flex-shrink:0;margin-top:3px;
  border:1px solid var(--glass-line);background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.check input:checked{background:var(--primary);border-color:var(--primary)}
.check input:checked::after{content:"";display:block;width:5px;height:9px;border:2px solid #04150F;border-top:0;border-left:0;transform:rotate(42deg) translate(3px,1px)}
.points{display:flex;flex-direction:column;gap:14px}
.point{
  display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:var(--r-sm);
  border:1px solid var(--glass-line);background:var(--glass);box-shadow:inset 0 1px 0 var(--glass-top);
}
.point i{color:var(--primary);margin-top:3px}
.point strong{display:block;font-size:15px;margin-bottom:4px}
.point span{font-size:13.5px;color:var(--text-2)}
.hours{margin-top:16px;padding:16px 18px;border-radius:var(--r-sm);border:1px solid var(--glass-line);background:rgba(255,255,255,.02)}
.hours .h-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-2);padding:5px 0}
.hours .h-row b{color:var(--accent);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  display:flex;align-items:center;gap:16px;padding:20px 8px 20px 20px;
  font-size:16px;font-weight:600;color:var(--text);transition:color var(--ease);
}
.faq-q:hover{color:var(--primary-light)}
.faq-ico{position:relative;width:18px;height:18px;flex-shrink:0;margin-left:auto}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform 200ms ease,opacity 200ms ease;
}
.faq-ico::before{left:0;top:8px;width:18px;height:2px}
.faq-ico::after{top:0;left:8px;width:2px;height:18px}
.faq-item.open .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease}
.faq-a-inner{padding:0 44px 22px 20px;color:var(--text-2);font-size:14.8px;line-height:1.85}

/* ============ CTA BAND ============ */
.cta-band{
  border-radius:var(--r-lg);padding:40px;position:relative;overflow:hidden;
  border:1px solid rgba(20,201,166,.3);
  background:linear-gradient(120deg,rgba(20,201,166,.14),rgba(11,18,32,.92) 62%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,178,60,.16),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;position:relative;z-index:1}

/* ============ FOOTER ============ */
.site-footer{margin-top:24px;background:#04070D;border-top:1px solid var(--line);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:30px;height:30px}
.foot-brand span{font-weight:700;font-size:15.5px}
.foot-about{color:var(--text-3);font-size:13.5px;line-height:1.85;max-width:320px}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:16px}
.foot-col a{display:block;font-size:13.5px;color:var(--text-3);padding:6px 0;transition:color var(--ease),transform var(--ease)}
.foot-col a:hover{color:var(--primary-light);transform:translateX(3px)}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:var(--text-3);
}
.foot-bottom .legal{display:flex;flex-wrap:wrap;gap:18px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--glass-line);color:var(--text-3);background:rgba(255,255,255,.03);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.socials a:hover{color:var(--primary-light);border-color:rgba(20,201,166,.45);transform:translateY(-2px)}

/* ============ RESPONSIVE ============ */
@media (min-width:1400px){.container-x{max-width:1240px}}
@media (max-width:1399px){.container-x{max-width:1140px}}
@media (max-width:1199px){
  .container-x{max-width:960px}
  .nav-menu{display:none}
  .search-pill{width:200px}
  .hamburger{display:grid}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .bspan-7,.bspan-5,.bspan-4,.bspan-6{grid-column:span 6}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .container-x{max-width:720px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:64px 0 56px}
  .split{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .compare-row .cell{border-right:none;border-bottom:1px dashed var(--line)}
  .compare-row .cell:last-child{border-bottom:none}
  .compare-row.head{display:none}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
}
@media (max-width:767px){
  .container-x{max-width:100%;padding:0 20px}
  .search-pill{display:none}
  .hero h1{font-size:clamp(28px,7.4vw,36px)}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .post-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bspan-7,.bspan-5,.bspan-4,.bspan-6,.bspan-12{grid-column:span 1}
  .mini-metrics{grid-template-columns:1fr 1fr}
  .rowitem{grid-template-columns:1fr 24px;gap:8px}
  .rowitem .t{grid-column:1/-1}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:28px 22px}
  .section{padding:56px 0}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .kpi-grid{grid-template-columns:1fr}
  .mini-metrics{grid-template-columns:1fr}
  .btn-main,.btn-ghost{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .post-card:hover,.bcard:hover,.kpi:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg:#060910;
  --bg-soft:#080D17;
  --panel:#0B1220;
  --overlay:rgba(11,18,32,.86);
  --primary:#14C9A6;
  --primary-deep:#0E9C82;
  --primary-light:#6DF0D2;
  --amber:#F0B23C;
  --rose:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --shadow-hover:0 26px 60px -22px rgba(0,0,0,.92),0 0 0 1px rgba(20,201,166,.30),0 0 34px -14px rgba(20,201,166,.5);
  --ease:200ms ease;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(900px 480px at 12% -6%,rgba(20,201,166,.12),transparent 62%),
    radial-gradient(760px 420px at 92% 4%,rgba(240,178,60,.07),transparent 60%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:var(--primary-light)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
@media (min-width:1400px){.container-x{max-width:1240px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,9,16,.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.scrolled{
  background:rgba(6,9,16,.88);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:700;
  letter-spacing:-.02em;
  font-size:17px;
  color:var(--text);
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(160deg,rgba(20,201,166,.18),rgba(255,255,255,.03));
  border:1px solid rgba(109,240,210,.34);
  box-shadow:0 0 22px -10px rgba(20,201,166,.6);
  flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  min-width:0;
}
.nav-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-menu a.active{color:var(--text);font-weight:600}
.nav-menu a.active::after{transform:scaleX(1)}
.header-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:250px;
  height:42px;
  padding:0 10px 0 12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cmd-search i{color:var(--text-3);font-size:13px}
.cmd-search input{
  flex:1;
  min-width:0;
  background:none;
  border:0;
  outline:none;
  font-size:13.5px;
  color:var(--text);
}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(20,201,166,.16),0 0 26px -12px rgba(20,201,166,.8);
  background:rgba(20,201,166,.06);
}
.keycap{
  font-size:11px;
  color:var(--text-3);
  border:1px solid var(--glass-line);
  border-radius:6px;
  padding:1px 6px;
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-2);
}
.icon-btn:hover{color:var(--primary-light);border-color:rgba(20,201,166,.4);background:rgba(20,201,166,.08)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#04231D;
  box-shadow:0 12px 30px -14px rgba(20,201,166,.9);
}
.btn-primary:hover{
  background:var(--primary-light);
  color:#04231D;
  transform:translateY(-1px);
  box-shadow:0 18px 40px -14px rgba(20,201,166,1),0 0 26px -6px rgba(20,201,166,.55);
}
.btn-ghost{
  background:var(--glass);
  border-color:var(--glass-line);
  color:var(--primary-light);
}
.btn-ghost:hover{
  border-color:rgba(20,201,166,.45);
  background:rgba(20,201,166,.08);
  color:var(--primary-light);
  transform:translateY(-1px);
}
.btn-sm{min-height:38px;padding:0 14px;font-size:13.5px}
.hamburger{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text);
  cursor:pointer;
  place-items:center;
}
.mobile-drawer{
  display:none;
  padding:16px 20px 24px;
  background:var(--overlay);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.mobile-drawer.open{display:block}
.mobile-drawer .cmd-search{width:100%;margin-bottom:14px}
.mobile-drawer nav{display:flex;flex-direction:column;gap:8px}
.mobile-drawer nav a{
  min-height:46px;
  display:flex;
  align-items:center;
  padding:0 14px;
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-2);
  font-size:15px;
}
.mobile-drawer nav a.active{color:var(--primary-light);border-color:rgba(20,201,166,.42);background:rgba(20,201,166,.08)}
.mobile-drawer .btn{width:100%;margin-top:16px}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:26px 0 0}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.01em;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:rgba(255,255,255,.18)}
.crumb strong{color:var(--text-2);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:640px){.crumb strong{white-space:normal}}

/* ---------- Article layout ---------- */
.article-shell{padding:26px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  align-items:start;
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 264px}
}
.article-main{max-width:760px;margin:0 auto;width:100%}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(20,201,166,.10);
  border:1px solid rgba(20,201,166,.30);
  color:var(--primary-light);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.article-title{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.02em;
  margin:16px 0 14px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 18px;
  font-size:13.5px;
  color:var(--text-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .meta-item i{color:var(--text-3);font-size:12px}
.article-meta .num{font-variant-numeric:tabular-nums;color:var(--amber);font-weight:700}
.article-figure{margin:26px 0 0}
.article-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-sm);
  border:1px solid var(--glass-line);
  background:linear-gradient(140deg,#0B1220,#060910);
}
.article-figure figcaption{
  margin-top:10px;
  font-size:12.5px;
  color:var(--text-3);
  text-align:center;
}

/* ---------- Article body typography ---------- */
.article-body{
  padding-top:30px;
  font-size:17px;
  line-height:1.9;
  color:#D8E1F0;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--text);
  margin:48px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--primary);
}
.article-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  margin:34px 0 12px;
}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:26px 0 10px}
.article-body p{margin:0 0 18px}
.article-body strong{color:var(--text);font-weight:700}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-light)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.8}
.article-body ul li::marker{color:var(--primary);font-size:1.05em}
.article-body ol li::marker{color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--glass);
  color:var(--text-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);border:1px solid var(--glass-line);margin:22px auto}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14.5px;
  background:rgba(20,201,166,.10);
  border:1px solid rgba(20,201,166,.2);
  border-radius:6px;
  padding:2px 6px;
  color:var(--primary-light);
}
.article-body pre{
  background:#080D17;
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  padding:18px;
  overflow-x:auto;
  margin:22px 0;
  box-shadow:var(--shadow);
}
.article-body pre code{background:none;border:0;padding:0;color:#C8D6E8}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.article-body th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--glass-line);
  white-space:nowrap;
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:#CFDAEA;
}
.article-body tr:last-child td{border-bottom:0}
@media (max-width:767px){
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
}

/* ---------- Article foot ---------- */
.article-foot{
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-2);
  font-size:13px;
}
.tag:hover{border-color:rgba(20,201,166,.42);color:var(--primary-light);background:rgba(20,201,166,.08)}
.action-row{display:flex;flex-wrap:wrap;gap:12px}
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
}
.empty-state i{font-size:30px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* ---------- TOC ---------- */
.article-aside{display:none}
@media (min-width:1200px){
  .article-aside{display:block;position:sticky;top:100px}
}
.toc-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  border-radius:var(--r-lg);
  padding:18px 16px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.toc-card h4{
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--text-3);
  margin:0 0 12px;
  font-weight:700;
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:58vh;overflow-y:auto}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.5;
}
.toc-list a.lvl3{padding-left:22px;font-size:13px;color:var(--text-3)}
.toc-list a:hover{color:var(--primary-light);background:rgba(255,255,255,.04)}
.toc-list a.current{color:var(--primary-light);border-left-color:var(--primary);background:rgba(20,201,166,.08)}

/* ---------- Recommend ---------- */
.section{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.02em;
  margin:0;
}
.section-head p{color:var(--text-3);font-size:14px;margin:8px 0 0}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card-x{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  display:flex;
  flex-direction:column;
}
.card-x:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.34);box-shadow:var(--shadow-hover)}
.card-cover{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:linear-gradient(140deg,#0B1220,#060910);
  border-bottom:1px solid var(--glass-line);
}
.card-body{padding:20px}
.card-body h3{font-size:17px;font-weight:700;line-height:1.45;margin:0 0 10px;color:var(--text)}
.card-body p{font-size:14px;color:var(--text-2);margin:0 0 14px;line-height:1.7}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(20,201,166,.10);
  border:1px solid rgba(20,201,166,.28);
  color:var(--primary-light);
  font-size:12px;
  font-weight:600;
  margin-bottom:12px;
}

/* ---------- CTA strip ---------- */
.cta-strip{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid rgba(20,201,166,.28);
  background:linear-gradient(140deg,rgba(20,201,166,.14),rgba(11,18,32,.9) 62%);
  padding:40px 32px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-strip::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.7),transparent 78%);
}
.cta-strip h2{
  font-size:clamp(22px,2.6vw,30px);
  margin:0 0 10px;
  font-weight:700;
  letter-spacing:-.02em;
}
.cta-strip p{color:var(--text-2);font-size:15px;max-width:620px;margin:0 0 22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:24px;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  position:relative;
  z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.foot-about{
  color:var(--text-3);
  font-size:13.5px;
  line-height:1.8;
  max-width:340px;
  margin:0 0 18px;
}
.socials{display:flex;gap:10px}
.socials a{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-2);
}
.socials a:hover{color:var(--primary-light);border-color:rgba(20,201,166,.42);background:rgba(20,201,166,.08)}
.foot-col h4{
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--text-3);
  margin:0 0 16px;
  font-weight:700;
}
.foot-col a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:var(--text-2);
}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.foot-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;font-variant-numeric:tabular-nums}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* ---------- Breakpoints ---------- */
@media (max-width:1199px){
  .cmd-search{width:210px}
  .nav-menu a{padding:0 9px;font-size:14px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .header-right .btn-glow{display:none}
  .hamburger{display:grid}
  .header-inner{gap:12px}
  .brand{flex:1}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:56px 0}
  .cta-strip{padding:32px 24px}
}
@media (max-width:767px){
  .container-x{padding:0 20px}
  .article-layout{gap:32px}
  .crumb-bar{padding-top:18px}
  .section{padding:48px 0}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .cta-strip{padding:28px 20px}
  .action-row .btn{width:100%}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .header-inner{min-height:64px}
  .brand{font-size:15.5px}
  .article-title{margin-top:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* roulang page: category1 */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --overlay:rgba(11,18,32,.86);
  --primary:#14C9A6;
  --primary-d:#0E9C82;
  --primary-l:#6DF0D2;
  --accent:#F0B23C;
  --danger:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --shadow-hover:0 26px 60px -26px rgba(0,0,0,.95), 0 0 0 1px rgba(20,201,166,.22), 0 0 34px -14px rgba(20,201,166,.45);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(20,201,166,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(240,178,60,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px);
  background-size:auto,auto,42px 42px,42px 42px;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary-l);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.02em;}
h1{font-size:clamp(32px,4.4vw,52px);}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:20px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .container-x{max-width:1240px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
  border-bottom:1px solid transparent;
  background:rgba(6,9,16,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.site-header.scrolled{
  background:rgba(6,9,16,.88);
  border-bottom-color:var(--line);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  color:var(--text);
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 var(--glass-top);
}
.brand-mark svg{width:20px;height:20px;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-menu a{
  position:relative;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-menu a.active{color:var(--text);font-weight:600;}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(20,201,166,.7);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:250px;
  height:42px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 var(--glass-top);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cmd-search i{color:var(--text-3);font-size:13px;}
.cmd-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:13.5px;
  outline:none;
}
.cmd-search input::placeholder{color:var(--text-3);}
.cmd-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(20,201,166,.16),inset 0 1px 0 var(--glass-top);
}
.kbd{
  font-size:11px;
  color:var(--text-2);
  padding:2px 6px;
  border-radius:6px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--glass-line);
  transition:.2s ease;
}
.icon-btn:hover{color:var(--primary-l);border-color:rgba(20,201,166,.45);transform:translateY(-2px);}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:linear-gradient(180deg,var(--primary-l),var(--primary));
  color:#03231d;
  font-weight:700;
  font-size:15px;
  border:0;
  cursor:pointer;
  box-shadow:0 12px 28px -14px rgba(20,201,166,.9),inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary:hover{
  color:#03231d;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 18px 38px -14px rgba(20,201,166,1),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-primary:active{transform:translateY(0);}
.btn-primary[disabled],.btn-primary.is-disabled{
  filter:saturate(.4);
  cursor:not-allowed;
  box-shadow:none;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--primary-l);
  font-weight:600;
  font-size:15px;
  box-shadow:inset 0 1px 0 var(--glass-top);
  transition:.2s ease;
}
.btn-ghost:hover{
  color:var(--primary-l);
  border-color:rgba(20,201,166,.5);
  transform:translateY(-2px);
  box-shadow:inset 0 1px 0 var(--glass-top),0 14px 30px -18px rgba(20,201,166,.8);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  font-size:14.5px;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(3px);}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  cursor:pointer;
  padding:0;
  place-items:center;
  gap:5px;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  margin:3px auto;
  transition:.2s ease;
}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:min(84vw,340px);
  height:100%;
  z-index:1200;
  background:rgba(11,18,32,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);
  transition:transform .24s ease;
  padding:80px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer a{
  min-height:48px;
  display:flex;
  align-items:center;
  padding:0 14px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{
  color:var(--text);
  background:var(--glass);
  border-color:var(--glass-line);
}
.mobile-drawer .drawer-cta{margin-top:14px;}
.drawer-close{
  position:absolute;
  top:18px;right:18px;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-2);
  cursor:pointer;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(3,5,10,.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease;
  z-index:1100;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}

/* ============ 页面横幅 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(6,9,16,.94) 0%,rgba(6,9,16,.78) 46%,rgba(6,9,16,.92) 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary-l);}
.crumb .cur{color:var(--text-2);font-weight:600;}
.badge-glass{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--primary-l);
  font-size:13px;
  font-weight:600;
  box-shadow:inset 0 1px 0 var(--glass-top);
}
.page-hero h1{margin:18px 0 16px;max-width:15em;}
.hero-sub{
  color:var(--text-2);
  font-size:17px;
  max-width:30em;
  line-height:1.75;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--text-3);
}
.trust-row span{display:inline-flex;align-items:center;gap:7px;}
.trust-row i{color:var(--primary);}
.hero-shot{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow);
  position:relative;
  background:var(--panel);
  aspect-ratio:16/10;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,0) 40%,rgba(6,9,16,.72) 100%);
}
.hero-shot-tag{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.hero-shot-tag .ver{
  font-weight:700;
  color:var(--accent);
  border:1px solid rgba(240,178,60,.5);
  border-radius:var(--r-pill);
  padding:2px 10px;
  font-size:12.5px;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section.line-top{border-top:1px solid var(--line);}
.sec-head{margin-bottom:38px;max-width:720px;}
.sec-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.14em;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.sec-head p{color:var(--text-2);margin-top:14px;font-size:16px;}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:34px;
}

/* ============ 卡片 ============ */
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-top);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.glass-card:hover{
  transform:translateY(-2px);
  border-color:rgba(20,201,166,.32);
  box-shadow:var(--shadow-hover);
}
.card-pad{padding:28px;}

/* 下载主卡 */
.download-card{
  padding:34px;
  border-radius:var(--r-lg);
  overflow:hidden;
}
.download-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(560px 260px at 88% -20%,rgba(20,201,166,.16),transparent 66%);
  pointer-events:none;
}
.dl-top{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.ver-badge{
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:13.5px;
  color:var(--accent);
  border:1px solid rgba(240,178,60,.5);
  border-radius:var(--r-pill);
  padding:4px 13px;
  letter-spacing:.01em;
}
.chip{
  font-size:12.5px;
  color:var(--text-2);
  border:1px solid var(--glass-line);
  border-radius:var(--r-pill);
  padding:4px 12px;
  background:rgba(255,255,255,.03);
}
.chip-danger{color:var(--danger);border-color:rgba(232,80,110,.45);background:transparent;}
.download-card h2{font-size:clamp(22px,2.4vw,30px);}
.download-card .lead{
  color:var(--text-2);
  margin-top:12px;
  font-size:15.5px;
  max-width:46em;
}
.meta-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin:26px 0 6px;
}
.meta-item{
  padding:16px 18px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}
.meta-item .k{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:8px;}
.meta-item .v{
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--text);
  letter-spacing:-.01em;
  word-break:break-all;
}
.meta-item .v.accent{color:var(--accent);}
.meta-item .v.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;}
.dl-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.dl-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--text-3);
  display:flex;
  align-items:flex-start;
  gap:9px;
  line-height:1.7;
}
.dl-note i{color:var(--primary);margin-top:4px;}

/* 平台支持行 */
.platform-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.platform-pill{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 18px;
  min-height:44px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 var(--glass-top);
  font-size:14px;
  color:var(--text-2);
}
.platform-pill i{color:var(--primary);font-size:15px;}
.platform-pill b{color:var(--text);font-weight:600;}

/* 通道对照 */
.channel-col{
  padding:30px;
  border-radius:var(--r-lg);
  height:100%;
}
.channel-col.stable{border-color:rgba(20,201,166,.35);}
.channel-col.beta{border-color:var(--glass-line);}
.channel-col h3{display:flex;align-items:center;gap:10px;}
.channel-col h3 .dot{
  width:9px;height:9px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(20,201,166,.16);
}
.channel-col.beta h3 .dot{background:var(--accent);box-shadow:0 0 0 4px rgba(240,178,60,.16);}
.channel-list{margin-top:20px;display:grid;gap:12px;}
.channel-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.channel-list i{color:var(--primary);margin-top:5px;font-size:12px;}
.channel-col.beta .channel-list i{color:var(--accent);}
.channel-foot{
  margin-top:24px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-3);
}

/* 体积行式列表 */
.row-list{border-top:1px solid var(--line);}
.row-item{
  display:grid;
  grid-template-columns:180px 1fr auto;
  align-items:center;
  gap:18px;
  padding:18px 14px;
  border-bottom:1px solid var(--line);
  border-radius:10px;
  transition:background .2s ease;
}
.row-item:hover{background:rgba(255,255,255,.035);}
.row-item .plat{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  font-size:15px;
}
.row-item .plat i{color:var(--primary);width:18px;text-align:center;}
.row-item .desc{color:var(--text-2);font-size:14px;}
.row-item .size{
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:15px;
  color:var(--accent);
  white-space:nowrap;
}
.row-item .size small{color:var(--text-3);font-weight:500;font-size:12px;margin-left:6px;}

/* 时间线 */
.timeline{position:relative;padding-left:34px;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;top:8px;bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(20,201,166,.08));
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-34px;top:9px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--panel);
  border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(20,201,166,.10);
}
.tl-item.is-beta::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(240,178,60,.10);}
.tl-date{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.02em;
}
.tl-title{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin:8px 0 8px;
}
.tl-title h3{font-size:18px;}
.tl-body{color:var(--text-2);font-size:14.5px;line-height:1.8;max-width:56em;}
.tl-body strong{color:var(--text);font-weight:600;}

/* FAQ */
.faq-list{margin-top:6px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-h{margin:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px 20px 0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  position:relative;
  min-height:44px;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-l);}
.faq-q::before{
  content:"";
  position:absolute;
  left:-14px;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:0 0 20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  border-radius:2px;
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-item.open .faq-icon::before{background:var(--primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-item.open .faq-a{max-height:320px;}
.faq-a-inner{
  padding:0 40px 22px 0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* 底部转化条 */
.cta-band{
  padding:44px 40px;
  border-radius:var(--r-lg);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(520px 220px at 8% 0%,rgba(20,201,166,.18),transparent 62%),
    radial-gradient(420px 200px at 96% 100%,rgba(240,178,60,.12),transparent 66%);
  pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{position:relative;color:var(--text-2);margin-top:12px;font-size:15.5px;max-width:52em;}
.cta-band .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}

/* 表单 */
.form-card{padding:30px;}
.form-label-x{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:8px;
  font-weight:600;
}
.input-x,.select-x{
  width:100%;
  min-height:46px;
  padding:0 14px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
textarea.input-x{min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input-x::placeholder{color:var(--text-3);}
.input-x:focus,.select-x:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(20,201,166,.16);
}
.select-wrap{position:relative;}
.select-wrap::after{
  content:"";
  position:absolute;
  right:16px;
  top:20px;
  width:7px;height:7px;
  border-right:1.6px solid var(--text-2);
  border-bottom:1.6px solid var(--text-2);
  transform:rotate(45deg);
  pointer-events:none;
}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:7px;}
.form-error{font-size:12.5px;color:var(--danger);margin-top:7px;display:none;}
.form-error.show{display:block;}

/* 页脚 */
.site-footer{
  margin-top:0;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  color:var(--text);
  margin-bottom:16px;
}
.foot-about{color:var(--text-3);font-size:14px;line-height:1.8;max-width:34em;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--glass-line);
  transition:.2s ease;
}
.socials a:hover{color:var(--primary-l);border-color:rgba(20,201,166,.45);transform:translateY(-2px);}
.foot-col h4{
  font-size:14px;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.foot-col a{
  display:block;
  color:var(--text-3);
  font-size:14px;
  padding:7px 0;
  transition:color .2s ease,transform .2s ease;
}
.foot-col a:hover{color:var(--primary-l);transform:translateX(2px);}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:13px;
}
.foot-bottom .legal{display:flex;gap:20px;flex-wrap:wrap;}
.foot-bottom .legal span{font-variant-numeric:tabular-nums;}

/* 动效 */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* 断点 */
@media (max-width:1199.98px){
  .nav-menu a{padding:10px 9px;font-size:14px;}
  .cmd-search{width:210px;}
  .meta-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .cmd-search{display:none;}
  .hamburger{display:grid;}
  .header-actions .btn-primary.btn-sm{display:none;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  .page-hero{padding:48px 0 56px;}
  .hero-shot{margin-top:34px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 20px;}
  .row-item{grid-template-columns:1fr;gap:6px;padding:16px 8px;}
  .row-item .size{justify-self:start;}
  .download-card{padding:24px;}
  .meta-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;width:14px;height:14px;}
  .timeline::before{left:6px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  body{font-size:15.5px;}
  .foot-grid{grid-template-columns:1fr;}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;}
  .sec-head p{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --overlay:rgba(11,18,32,.86);
  --primary:#14C9A6;
  --primary-dark:#0E9C82;
  --primary-light:#6DF0D2;
  --amber:#F0B23C;
  --rose:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --shadow-hover:0 28px 60px -26px rgba(0,0,0,.92),0 0 0 1px rgba(20,201,166,.22);
  --ease:220ms cubic-bezier(.4,0,.2,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-bg:#060910;
  --bs-body-color:#E9EFF8;
  --bs-border-color:rgba(255,255,255,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(20,201,166,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(240,178,60,.07),transparent 60%),
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:auto,auto,72px 72px,72px 72px;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(6,9,16,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,9,16,.88);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(20,201,166,.10);
  border:1px solid rgba(109,240,210,.36);
  box-shadow:0 0 22px -8px rgba(20,201,166,.65);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{font-weight:700;font-size:16.5px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-menu a{
  position:relative;
  padding:9px 13px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--text)}
.nav-menu a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(20,201,166,.85);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;
  width:250px;height:40px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text-3);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cmd-search input{
  flex:1;background:none;border:0;outline:0;
  color:var(--text);font-size:13.5px;min-width:0;
}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,201,166,.15),0 0 24px -10px rgba(20,201,166,.9)}
.kbd{
  font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  border:1px solid var(--glass-line);color:var(--text-3);flex-shrink:0;
}
.icon-link{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--text-2);background:var(--glass);border:1px solid var(--glass-line);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-link:hover{color:var(--primary-light);border-color:rgba(109,240,210,.45);transform:translateY(-2px)}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:var(--r-btn);
  background:linear-gradient(180deg,var(--primary-light),var(--primary));
  color:#04211B;font-weight:700;font-size:14.5px;
  border:0;white-space:nowrap;
  box-shadow:0 0 0 1px rgba(109,240,210,.35),0 12px 30px -14px rgba(20,201,166,.9);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-glow:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(109,240,210,.5),0 18px 40px -14px rgba(20,201,166,1)}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--primary-light);font-weight:600;font-size:14.5px;
  transition:border-color var(--ease),transform var(--ease),color var(--ease);
}
.btn-ghost:hover{border-color:rgba(109,240,210,.5);transform:translateY(-2px);color:#fff}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14.5px}
.btn-text i{transition:transform var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text);
  place-items:center;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--overlay);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--glass-line);
  padding:22px 20px 96px;
  transform:translateX(102%);
  transition:transform 260ms cubic-bezier(.4,0,.2,1);
  z-index:200;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:11px;background:var(--glass);border:1px solid var(--glass-line);color:var(--text);display:grid;place-items:center}
.drawer nav{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}
.drawer nav a{font-size:16px;color:var(--text-2);padding:6px 0}
.drawer nav a.active{color:var(--primary-light)}
.drawer .cmd-search{width:100%;margin-bottom:20px}
.drawer-cta{position:absolute;left:20px;right:20px;bottom:20px}
.mask{position:fixed;inset:0;background:rgba(3,6,12,.6);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:190}
.mask.open{opacity:1;visibility:visible}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{margin:0 8px;color:rgba(255,255,255,.22)}
.crumb .cur{color:var(--text-2);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 72px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.20;
  filter:saturate(.85);
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,16,.55),rgba(6,9,16,.96) 78%,var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:44px;align-items:start}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--primary-light);
}
.tag.amber{border-color:rgba(240,178,60,.42);color:var(--amber);font-variant-numeric:tabular-nums}
.tag.rose{border-color:rgba(232,80,110,.42);color:var(--rose);background:rgba(232,80,110,.06)}
.hero h1{font-size:clamp(32px,4.4vw,52px);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-bar{display:flex;flex-wrap:wrap;gap:20px;font-size:13.5px;color:var(--text-3)}
.trust-bar span{display:inline-flex;align-items:center;gap:7px}
.trust-bar i{color:var(--primary)}
.panel{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow);
  padding:24px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.panel:hover{border-color:rgba(20,201,166,.32);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.panel-title{font-size:15px;font-weight:700;color:var(--text)}
.panel-note{font-size:12.5px;color:var(--text-3)}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}
.mini{padding:14px 12px;border-radius:var(--r-md);background:rgba(255,255,255,.03);border:1px solid var(--line)}
.mini b{display:block;font-size:24px;font-weight:700;letter-spacing:-.02em;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1.2}
.mini small{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.progress-track{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden;margin:6px 0 8px}
.progress-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary-dark),var(--primary-light));box-shadow:0 0 16px -2px rgba(20,201,166,.9)}
.progress-foot{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.hero-shots{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-top:20px}
.shot{position:relative;border-radius:var(--r-btn);overflow:hidden;background:linear-gradient(140deg,#0d1524,#0a1220);aspect-ratio:16/9}
.shot img{width:100%;height:100%;object-fit:cover;opacity:.9}
.shot span{position:absolute;left:10px;bottom:8px;font-size:11.5px;color:var(--text-2);background:rgba(6,9,16,.7);padding:3px 8px;border-radius:var(--r-pill)}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{color:var(--text-2);margin-top:10px;max-width:640px;font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--amber);text-transform:uppercase;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.eyebrow::before{content:"";width:22px;height:1px;background:rgba(240,178,60,.6)}

/* ---------- readiness ---------- */
.readiness-card{height:100%;padding:26px}
.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.spec-item{padding:16px;border-radius:var(--r-md);background:rgba(255,255,255,.03);border:1px solid var(--line)}
.spec-item dt{font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.spec-item dd{margin:0;font-size:15px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.65}
.check-list i{color:var(--primary);margin-top:4px;font-size:13px}
.readiness-side{height:100%;display:flex;flex-direction:column;gap:16px}
.side-note{padding:20px;border-radius:var(--r-md);background:rgba(232,80,110,.06);border:1px solid rgba(232,80,110,.28)}
.side-note h4{font-size:15px;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.side-note h4 i{color:var(--rose)}
.side-note p{font-size:14px;color:var(--text-2);line-height:1.75}
.side-ok{padding:20px;border-radius:var(--r-md);background:rgba(20,201,166,.06);border:1px solid rgba(20,201,166,.28)}
.side-ok h4{font-size:15px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.side-ok h4 i{color:var(--primary)}
.side-ok p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- steps ---------- */
.steps-section{position:relative}
.timeline{position:relative}
.step{display:grid;grid-template-columns:44px 1fr;gap:20px;padding-bottom:36px}
.step:last-child{padding-bottom:0}
.step-rail{position:relative;display:flex;justify-content:center}
.step-rail::after{
  content:"";position:absolute;top:30px;bottom:-36px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(20,201,166,.55),rgba(20,201,166,.05));
}
.step:last-child .step-rail::after{display:none}
.step-dot{
  width:14px;height:14px;border-radius:50%;margin-top:14px;
  background:var(--bg);border:2px solid var(--primary);
  box-shadow:0 0 0 5px rgba(20,201,166,.10);
}
.step-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  border-radius:var(--r-lg);
  padding:24px;
  backdrop-filter:blur(15px) saturate(140%);
  -webkit-backdrop-filter:blur(15px) saturate(140%);
  box-shadow:var(--shadow);
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.step-card:hover{border-color:rgba(20,201,166,.32);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-head{display:flex;align-items:baseline;gap:14px;margin-bottom:10px}
.step-num{
  font-size:38px;line-height:1;font-weight:700;letter-spacing:-.03em;
  color:var(--amber);font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px}
.step-card > p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.step-shot{position:relative;border-radius:var(--r-btn);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#0d1524,#0a1220)}
.step-shot img{width:100%;height:100%;object-fit:cover}
.step-shot figcaption{
  position:absolute;left:12px;bottom:10px;font-size:11.5px;color:var(--text-2);
  background:rgba(6,9,16,.72);padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--glass-line);
}
.step-tips{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.step-tips li{display:flex;gap:9px;font-size:13.5px;color:var(--text-3);line-height:1.65}
.step-tips i{color:var(--primary);margin-top:4px;font-size:12px}
.step-index{position:sticky;top:100px}
.step-index .panel{padding:20px}
.idx-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:14px}
.idx-list{display:flex;flex-direction:column;gap:2px}
.idx-list a{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.idx-list a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.idx-list a b{font-size:12.5px;color:var(--amber);font-variant-numeric:tabular-nums;font-weight:700}
.idx-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- blockers ---------- */
.blocker-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px;align-items:center;
  padding:20px 22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);border-top-color:var(--glass-top);
  transition:background var(--ease),border-color var(--ease);
}
.blocker-row + .blocker-row{margin-top:12px}
.blocker-row:hover{background:rgba(255,255,255,.06);border-color:rgba(20,201,166,.28)}
.blocker-row h4{font-size:15.5px;display:flex;align-items:center;gap:10px}
.blocker-row h4 i{color:var(--rose);font-size:13px}
.blocker-row p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.blocker-row .fix{font-size:13.5px;color:var(--text-2);line-height:1.7;border-left:3px solid var(--primary);padding-left:14px}
.blocker-row .fix b{color:var(--primary-light);font-weight:600}

/* ---------- selfcheck ---------- */
.selfcheck-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.selfcheck{padding:26px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--glass-line);border-top-color:var(--glass-top);box-shadow:var(--shadow)}
.selfcheck h3{font-size:18px;margin-bottom:16px}
.selfcheck ul{display:flex;flex-direction:column;gap:12px}
.selfcheck li{display:flex;gap:11px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.selfcheck li i{color:var(--primary);margin-top:5px;font-size:12.5px}
.rollback{padding:26px;border-radius:var(--r-lg);background:rgba(240,178,60,.05);border:1px solid rgba(240,178,60,.26);box-shadow:var(--shadow)}
.rollback h3{font-size:18px;margin-bottom:14px;color:var(--text)}
.rollback p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.rollback .num{color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px 22px 0;background:none;border:0;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary-light)}
.faq-q .qmark{position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:transparent;transition:background var(--ease)}
.faq-item{position:relative;padding-left:0}
.faq-item.open{padding-left:16px}
.faq-item.open .qmark{background:var(--primary)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;position:relative;
  border:1px solid var(--glass-line);background:var(--glass);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--ease);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease}
.faq-a p{padding:0 44px 24px 0;font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:44px;
  background:linear-gradient(120deg,rgba(20,201,166,.12),rgba(11,18,32,.9) 58%);
  border:1px solid rgba(20,201,166,.28);
  border-top-color:var(--glass-top);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,201,166,.22),transparent 66%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;position:relative}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* ---------- footer ---------- */
.site-footer{
  margin-top:24px;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:34px;height:34px}
.foot-brand span:last-child{font-weight:700;font-size:16px}
.foot-about{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--glass-line);color:var(--text-2);background:var(--glass);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.socials a:hover{color:var(--primary-light);border-color:rgba(109,240,210,.45);transform:translateY(-2px)}
.foot-col h4{font-size:14px;margin-bottom:16px;color:var(--text)}
.foot-col a{display:block;font-size:13.5px;color:var(--text-3);padding:6px 0;transition:color var(--ease)}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom .legal span{display:inline-flex;align-items:center;gap:7px}
.legal-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(20,201,166,.9)}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container-x{max-width:1140px}
}
@media (max-width:1199px){
  .container-x{max-width:960px}
  .cmd-search{width:200px}
  .nav-menu a{padding:9px 10px;font-size:14px}
  .section{padding:80px 0}
}
@media (max-width:991px){
  .container-x{max-width:720px}
  .nav-menu,.nav-right .cmd-search,.nav-right .icon-link,.nav-right .btn-glow{display:none}
  .burger{display:grid}
  .nav-wrap{height:68px;gap:14px}
  .hero{padding:28px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .step-index{position:static;margin-bottom:28px}
  .blocker-row{grid-template-columns:1fr;gap:12px}
  .selfcheck-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:32px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
}
@media (max-width:767px){
  .container-x{max-width:100%;padding:0 20px}
  .hero h1{font-size:30px}
  .mini-grid{grid-template-columns:1fr 1fr}
  .hero-shots{grid-template-columns:1fr}
  .spec-list{grid-template-columns:1fr}
  .step{grid-template-columns:30px 1fr;gap:14px}
  .step-num{font-size:30px}
  .step-card{padding:18px}
  .step-card h3{font-size:17.5px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-q{font-size:15.5px}
  .faq-a p{padding-right:12px}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:26px}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .hero{padding:20px 0 44px}
  .mini-grid{grid-template-columns:1fr}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .section{padding:52px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --overlay:rgba(11,18,32,.86);
  --pri:#14C9A6;
  --pri-d:#0E9C82;
  --pri-l:#6DF0D2;
  --amb:#F0B23C;
  --risk:#E8506E;
  --tx:#E9EFF8;
  --tx-2:#9AA8C0;
  --tx-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh:0 20px 50px -24px rgba(0,0,0,.85);
  --sh-hover:0 26px 60px -26px rgba(0,0,0,.92), 0 0 0 1px rgba(20,201,166,.22), 0 0 34px -12px rgba(20,201,166,.38);
  --ff:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -8%, rgba(20,201,166,.11), transparent 62%),
    radial-gradient(760px 440px at 94% 4%, rgba(240,178,60,.07), transparent 64%),
    repeating-linear-gradient(to right, rgba(255,255,255,.017) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.017) 0 1px, transparent 1px 72px);
}
img{max-width:100%;display:block}
a{color:var(--pri-l);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pri)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:700}
p{margin:0}
::selection{background:rgba(20,201,166,.32);color:#fff}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.sec{padding:96px 0;position:relative;z-index:1}
.sec-tight{padding:72px 0}
.sec-soft{background:linear-gradient(180deg,rgba(11,18,32,.72),rgba(6,9,16,0))}

.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--pri-l);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(20,201,166,.28);
  background:rgba(20,201,166,.08);
  margin-bottom:18px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{margin-top:14px;color:var(--tx-2);font-size:15.5px;line-height:1.85}
.sec-head .num{color:var(--amb);font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.06em;margin-right:10px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,9,16,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  background:rgba(6,9,16,.88);
  border-bottom-color:var(--line);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95);
}
.nav-shell{
  display:flex;align-items:center;gap:28px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(109,240,210,.35);
  background:rgba(20,201,166,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:700;color:var(--tx);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--pri-l)}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-menu a{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--tx-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:var(--tx);background:rgba(255,255,255,.045)}
.nav-menu a.active{color:var(--tx);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:10px;height:2px;
  border-radius:2px;background:var(--pri);
  box-shadow:0 0 14px rgba(20,201,166,.7);
}

.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;
  width:252px;height:42px;padding:0 10px 0 14px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 var(--glass-top);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cmd-search i{color:var(--tx-3);font-size:13px}
.cmd-search input{
  flex:1 1 auto;min-width:0;
  background:transparent;border:0;outline:none;
  font-size:13.5px;color:var(--tx);
}
.cmd-search input::placeholder{color:var(--tx-3)}
.cmd-search .kbd{
  font-family:var(--mono);font-size:11px;color:var(--tx-3);
  padding:2px 7px;border-radius:6px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  white-space:nowrap;
}
.cmd-search:focus-within{
  border-color:rgba(20,201,166,.65);
  background:rgba(20,201,166,.07);
  box-shadow:0 0 0 4px rgba(20,201,166,.12),inset 0 1px 0 var(--glass-top);
}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--tx-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--pri-l);border-color:rgba(20,201,166,.45);transform:translateY(-2px)}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary-x{
  background:linear-gradient(180deg,var(--pri-l),var(--pri) 42%,var(--pri-d));
  color:#04211B;
  box-shadow:0 12px 30px -14px rgba(20,201,166,.85),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary-x:hover{
  color:#04211B;
  transform:translateY(-2px);
  box-shadow:0 18px 40px -14px rgba(20,201,166,.95),0 0 30px -6px rgba(20,201,166,.55),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-ghost-x{
  background:var(--glass);
  border-color:var(--glass-line);
  color:var(--pri-l);
  box-shadow:inset 0 1px 0 var(--glass-top);
}
.btn-ghost-x:hover{color:var(--pri-l);border-color:rgba(20,201,166,.5);transform:translateY(-2px);background:rgba(20,201,166,.08)}
.btn-sm-x{min-height:40px;padding:0 16px;font-size:14px}
.btn-link-x{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--pri-l);font-size:14.5px;font-weight:600;
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link-x i{transition:transform .2s ease}
.btn-link-x:hover i{transform:translateX(3px)}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--glass-line);
  background:var(--glass);
  position:relative;
}
.hamburger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--tx);transition:transform .22s ease,opacity .22s ease,top .22s ease;
}
.hamburger span:nth-child(1){top:15px}
.hamburger span:nth-child(2){top:21px}
.hamburger span:nth-child(3){top:27px}
.hamburger.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:min(360px,86vw);height:100%;
  padding:88px 22px 110px;
  background:rgba(11,18,32,.94);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer nav{display:flex;flex-direction:column;gap:16px;margin-bottom:26px}
.drawer nav a{
  font-size:16px;color:var(--tx-2);
  padding:12px 14px;border-radius:12px;
  border:1px solid transparent;
}
.drawer nav a:hover{background:rgba(255,255,255,.05);color:var(--tx)}
.drawer nav a.active{
  color:var(--tx);font-weight:600;
  border-color:rgba(20,201,166,.35);
  background:rgba(20,201,166,.10);
}
.drawer .cmd-search{width:100%;margin-bottom:20px}
.drawer .btn-x{width:100%}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:76px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.30;
  filter:saturate(.85);
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.72),rgba(6,9,16,.94) 72%,var(--bg));
}
.crumbs{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--tx-3);
  margin-bottom:26px;
}
.crumbs a{color:var(--tx-3)}
.crumbs a:hover{color:var(--pri-l)}
.crumbs .sep{color:rgba(255,255,255,.18)}
.crumbs .now{color:var(--tx-2);font-weight:600}

.hero-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(32px,4.4vw,52px);
  letter-spacing:-.025em;
  margin-bottom:20px;
}
.hero-copy h1 .hl{
  color:var(--pri-l);
  text-shadow:0 0 32px rgba(20,201,166,.35);
}
.hero-sub{
  font-size:17px;color:var(--tx-2);
  max-width:560px;line-height:1.85;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{
  display:flex;flex-wrap:wrap;gap:12px 22px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.trust-row span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--tx-3);
}
.trust-row i{color:var(--pri);font-size:12px}
.trust-row b{color:var(--tx-2);font-weight:600;font-family:var(--mono);letter-spacing:-.01em}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh),inset 0 1px 0 var(--glass-top);
  padding:18px;
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.hero-visual .shot{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:16/9;
  background:linear-gradient(140deg,#0B1220,#101B2E 60%,#0B1220);
}
.hero-visual .shot img{width:100%;height:100%;object-fit:cover}
.hero-visual .shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.06),rgba(6,9,16,.7));
}
.shot-fallback{
  position:absolute;inset:0;display:none;place-items:center;
  background:linear-gradient(140deg,#0B1220,#132038);
  color:var(--tx-3);font-size:13px;gap:8px;
}
.shot-fallback i{font-size:22px;color:var(--pri)}
.hero-visual .shot.is-broken .shot-fallback{display:grid}
.hero-visual .shot.is-broken img{display:none}
.hv-badge{
  position:absolute;top:30px;left:30px;
  font-family:var(--mono);font-size:12px;font-weight:700;
  color:var(--amb);
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(240,178,60,.45);
  background:rgba(11,18,32,.8);
  letter-spacing:.04em;
}
.mini-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:10px;margin-top:16px;
}
.mini-metrics div{
  padding:14px 12px;border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--glass-line);
  text-align:center;
}
.mini-metrics b{
  display:block;
  font-family:var(--mono);font-weight:700;font-size:20px;
  color:var(--pri-l);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.mini-metrics small{display:block;font-size:12px;color:var(--tx-3);margin-top:4px}

/* ============ 对照双列 ============ */
.compare-row{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.compare-col{
  border-radius:var(--r-lg);
  padding:28px 26px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh),inset 0 1px 0 var(--glass-top);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.compare-col:hover{transform:translateY(-2px)}
.compare-col.official{border-color:rgba(20,201,166,.34);box-shadow:var(--sh),inset 0 1px 0 var(--glass-top),0 0 40px -22px rgba(20,201,166,.6)}
.compare-col.risky{background:rgba(255,255,255,.028);border-color:rgba(255,255,255,.07)}
.compare-col.risky .cmp-title{color:var(--tx-2)}
.compare-head{
  display:flex;align-items:center;gap:12px;
  padding-bottom:18px;margin-bottom:20px;
  border-bottom:1px solid var(--line);
}
.cmp-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;
}
.official .cmp-icon{background:rgba(20,201,166,.12);color:var(--pri-l);border:1px solid rgba(20,201,166,.35)}
.risky .cmp-icon{background:rgba(232,80,110,.10);color:var(--risk);border:1px solid rgba(232,80,110,.35)}
.cmp-title{font-size:19px;font-weight:700}
.cmp-title small{display:block;font-size:12.5px;color:var(--tx-3);font-weight:500;margin-top:3px;letter-spacing:0}
.cmp-list li{
  display:flex;gap:12px;
  padding:13px 0;
  font-size:15px;line-height:1.7;
  border-bottom:1px dashed rgba(255,255,255,.06);
}
.cmp-list li:last-child{border-bottom:0;padding-bottom:0}
.cmp-list i{margin-top:6px;font-size:12px;flex:0 0 14px}
.official .cmp-list i{color:var(--pri)}
.risky .cmp-list li{color:var(--tx-3)}
.risky .cmp-list i{color:var(--risk)}
.risk-tag{
  display:inline-block;
  font-size:11.5px;font-weight:600;
  color:var(--risk);
  padding:1px 9px;border-radius:var(--r-pill);
  border:1px solid rgba(232,80,110,.45);
  margin-left:8px;
  vertical-align:1px;
  white-space:nowrap;
}

.conclusion-bar{
  margin-top:26px;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  border-radius:var(--r-sm);
  border:1px solid rgba(20,201,166,.42);
  background:linear-gradient(90deg,rgba(20,201,166,.12),rgba(20,201,166,.02));
  box-shadow:0 0 44px -26px rgba(20,201,166,.9);
}
.conclusion-bar i{color:var(--pri-l);font-size:17px;flex:0 0 auto}
.conclusion-bar p{font-size:15px;color:var(--tx);line-height:1.7}

/* ============ 校验信息卡 ============ */
.check-layout{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:24px;align-items:start;
}
.check-card{
  border-radius:var(--r-lg);
  padding:28px 26px;
  background:var(--panel);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh),inset 0 1px 0 var(--glass-top);
}
.check-card h3{font-size:20px;margin-bottom:6px}
.check-card .hint{font-size:13.5px;color:var(--tx-3);margin-bottom:22px}
.def-list{display:grid;gap:0}
.def-list .row-x{
  display:grid;grid-template-columns:130px 1fr;
  gap:16px;padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.07);
  align-items:baseline;
}
.def-list .row-x:last-child{border-bottom:0;padding-bottom:0}
.def-list dt{font-size:13.5px;color:var(--tx-3)}
.def-list dd{
  margin:0;font-size:14.5px;color:var(--tx);
  word-break:break-all;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.mono-amb{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--amb);font-weight:700}
.ver-pill{
  display:inline-block;
  font-family:var(--mono);font-size:12.5px;font-weight:700;
  color:var(--amb);
  padding:2px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(240,178,60,.45);
  background:rgba(240,178,60,.07);
}
.check-note{
  margin-top:22px;padding:16px 18px;border-radius:12px;
  border:1px solid rgba(232,80,110,.32);
  background:rgba(232,80,110,.06);
  font-size:13.5px;color:var(--tx-2);line-height:1.75;
}
.check-note b{color:var(--risk);font-weight:600}

.steps-mini{display:grid;gap:14px;margin-top:20px}
.step-mini{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);
  border:1px solid var(--glass-line);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.step-mini:hover{border-color:rgba(20,201,166,.4);transform:translateY(-2px);background:rgba(20,201,166,.05)}
.step-mini .idx{
  font-family:var(--mono);font-weight:700;font-size:20px;
  color:var(--amb);line-height:1.2;flex:0 0 auto;
}
.step-mini h4{font-size:15.5px;margin-bottom:4px}
.step-mini p{font-size:13.5px;color:var(--tx-3);line-height:1.7}

.side-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--sh);
  position:relative;
  aspect-ratio:4/3;
  background:linear-gradient(140deg,#0B1220,#132038);
}
.side-figure img{width:100%;height:100%;object-fit:cover}
.side-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;
  font-size:13px;color:var(--tx-2);
  background:linear-gradient(180deg,rgba(6,9,16,0),rgba(6,9,16,.92));
  line-height:1.6;
}
.side-figure .fig-fallback{
  position:absolute;inset:0;display:none;place-items:center;color:var(--tx-3);font-size:13px;gap:8px;
  background:linear-gradient(140deg,#0B1220,#132038);
}
.side-figure.is-broken img{display:none}
.side-figure.is-broken .fig-fallback{display:grid}
.side-figure.is-broken .fig-fallback i{color:var(--pri);font-size:22px}

/* ============ 异常处理三卡 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  border-radius:var(--r-lg);
  padding:26px 24px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh),inset 0 1px 0 var(--glass-top);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-3px);border-color:rgba(20,201,166,.36);box-shadow:var(--sh-hover)}
.case-card .badge-x{margin-bottom:16px}
.case-card h3{font-size:17.5px;margin-bottom:10px}
.case-card p{font-size:14.5px;color:var(--tx-2);line-height:1.8}
.case-card ol{margin-top:14px;display:grid;gap:8px}
.case-card ol li{
  font-size:13.5px;color:var(--tx-3);line-height:1.7;
  padding-left:18px;position:relative;
}
.case-card ol li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--pri);opacity:.8;
}
.badge-x{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
  color:var(--pri-l);
}
.badge-amb{
  color:var(--amb);
  border-color:rgba(240,178,60,.42);
  background:rgba(240,178,60,.07);
}
.badge-risk{
  color:var(--risk);
  border-color:rgba(232,80,110,.42);
  background:rgba(232,80,110,.06);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:18px;
  padding:24px 6px 24px 18px;
  background:none;border:0;cursor:pointer;
  text-align:left;
  font-size:16.5px;font-weight:600;color:var(--tx);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;
  width:3px;border-radius:3px;background:var(--pri);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--pri-l)}
.faq-q .txt{flex:1 1 auto}
.faq-q .plus{
  position:relative;width:20px;height:20px;flex:0 0 20px;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;background:var(--pri-l);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-q .plus::before{left:0;right:0;top:9px;height:2px}
.faq-q .plus::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.is-open .faq-q .plus::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .24s ease,opacity .22s ease,padding .22s ease;
  padding:0 6px 0 18px;
}
.faq-item.is-open .faq-a{max-height:360px;opacity:1;padding-bottom:26px}
.faq-a p{font-size:15px;color:var(--tx-2);line-height:1.9}
.faq-a p + p{margin-top:12px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:44px 46px;
  background:linear-gradient(120deg,rgba(20,201,166,.14),rgba(11,18,32,.9) 58%),var(--panel);
  border:1px solid rgba(20,201,166,.30);
  box-shadow:0 30px 70px -40px rgba(20,201,166,.6),inset 0 1px 0 var(--glass-top);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,201,166,.20),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--tx-2);max-width:600px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  margin-top:20px;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:72px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:52px;
}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.foot-brand span:last-child{font-size:16.5px;font-weight:700}
.foot-about{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:11px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.035);
  color:var(--tx-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a:hover{color:var(--pri-l);border-color:rgba(20,201,166,.45);transform:translateY(-2px)}
.foot-col h4{font-size:14px;color:var(--tx);margin-bottom:18px;letter-spacing:.02em}
.foot-col a{
  display:block;
  font-size:13.8px;color:var(--tx-3);
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.foot-col a:hover{color:var(--pri-l);transform:translateX(2px)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  padding:22px 0 30px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}
.foot-bottom .legal{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot-bottom .legal span{color:var(--tx-3)}

/* ============ 动效 & 响应式 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

@media (max-width:1399px){
  .container-x{max-width:1140px}
}
@media (max-width:1199px){
  .container-x{max-width:960px}
  .cmd-search{width:210px}
  .nav-menu a{padding:0 11px;font-size:14px}
  .hero-grid{gap:40px}
}
@media (max-width:991px){
  .container-x{max-width:720px}
  .nav-menu,.cmd-search,.nav-right .icon-btn{display:none}
  .hamburger{display:block}
  .nav-shell{min-height:66px}
  .sec{padding:72px 0}
  .sec-tight{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .check-layout{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:34px 30px}
}
@media (max-width:767px){
  .container-x{max-width:100%;padding:0 20px}
  .sec{padding:56px 0}
  .page-hero{padding:48px 0 60px}
  .hero-copy h1{font-size:clamp(28px,7.4vw,38px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-x{flex:1 1 100%}
  .case-grid{grid-template-columns:1fr}
  .mini-metrics{grid-template-columns:1fr 1fr}
  .def-list .row-x{grid-template-columns:1fr;gap:6px}
  .faq-q{font-size:15.5px;padding:20px 4px 20px 16px}
  .cta-band{padding:28px 22px;border-radius:var(--r-sm)}
  .cta-actions .btn-x{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .brand-text{font-size:15.5px}
  .mini-metrics{grid-template-columns:1fr}
  .conclusion-bar{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category4 */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --panel-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(11,18,32,.86);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --primary:#14C9A6;
  --primary-d:#0E9C82;
  --primary-l:#6DF0D2;
  --amber:#F0B23C;
  --risk:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --shadow-hover:0 26px 60px -22px rgba(0,0,0,.9), 0 0 0 1px rgba(20,201,166,.28), 0 0 40px -12px rgba(20,201,166,.35);
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 12% -10%, rgba(20,201,166,.12), transparent 62%),
    radial-gradient(700px 420px at 92% 4%, rgba(240,178,60,.07), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-l);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.02em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em;}

/* ============ 容器 ============ */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1240px;}}
@media (max-width:767px){.container-x{padding:0 20px;}}
@media (max-width:575px){.container-x{padding:0 16px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,9,16,.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.scrolled{
  background:rgba(6,9,16,.88);
  border-bottom-color:var(--line);
}
.head-inner{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(150deg, rgba(20,201,166,.2), rgba(20,201,166,.04));
  border:1px solid rgba(20,201,166,.38);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 13px;
  font-size:14.5px;color:var(--text-2);border-radius:10px;white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--text);font-weight:600;}
.nav-menu a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(20,201,166,.7);
}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:238px;height:40px;padding:0 10px 0 13px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-pill);
  backdrop-filter:blur(14px);transition:border-color var(--ease),box-shadow var(--ease);
}
.cmd-search i{color:var(--text-3);font-size:13px;}
.cmd-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:13.5px;
}
.cmd-search input::placeholder{color:var(--text-3);}
.cmd-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,201,166,.14);}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line-strong);
  padding:1px 6px;border-radius:6px;line-height:1.5;background:rgba(255,255,255,.04);
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(180deg,var(--primary-l),var(--primary));
  color:#04241E;font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 10px 28px -12px rgba(20,201,166,.85);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-primary:hover{color:#04241E;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 36px -12px rgba(20,201,166,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid rgba(20,201,166,.35);color:var(--primary-l);
  font-size:15px;font-weight:600;backdrop-filter:blur(12px);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-ghost:hover{color:var(--primary-l);background:rgba(20,201,166,.1);border-color:var(--primary);transform:translateY(-1px);}
.head-cta{font-size:14.5px;padding:0 18px;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--glass);
  border:1px solid var(--line);color:var(--text);align-items:center;justify-content:center;
}
.nav-drawer{
  display:none;position:fixed;top:0;right:0;width:min(320px,88vw);height:100vh;z-index:1200;
  background:rgba(9,14,25,.95);backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);padding:24px 22px;overflow-y:auto;
  transform:translateX(100%);transition:transform 240ms ease;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:11px;background:var(--glass);border:1px solid var(--line);color:var(--text-2);}
.drawer-nav{display:flex;flex-direction:column;gap:16px;}
.drawer-nav a{font-size:15.5px;color:var(--text-2);padding:10px 0;border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--primary-l);font-weight:700;}
.drawer-search{display:flex;align-items:center;gap:8px;width:100%;height:44px;padding:0 14px;margin:22px 0 16px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-pill);}
.drawer-search input{flex:1;background:none;border:0;outline:none;color:var(--text);font-size:14px;}
.drawer-cta{width:100%;}
.backdrop{display:none;position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:1100;}
.backdrop.open{display:block;}

/* ============ 内页横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;padding:72px 0 64px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.24;filter:saturate(.75);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,9,16,.55) 0%, rgba(6,9,16,.88) 60%, var(--bg) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary-l);}
.crumb strong{color:var(--text-2);font-weight:600;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.badge-glass{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid rgba(20,201,166,.3);color:var(--primary-l);
  font-size:12.5px;font-weight:600;backdrop-filter:blur(12px);
}
.badge-amber{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(240,178,60,.08);border:1px solid rgba(240,178,60,.42);color:var(--amber);
  font-size:12.5px;font-variant-numeric:tabular-nums;font-weight:700;
}
.badge-risk{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(232,80,110,.5);color:var(--risk);font-size:12px;font-weight:600;
}
.page-hero h1{font-size:clamp(30px,4vw,48px);max-width:900px;}
.page-hero .lead{color:var(--text-2);font-size:17px;margin-top:16px;max-width:660px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;}
.hero-meta .m-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta .m-label{font-size:12.5px;color:var(--text-3);}
.hero-meta .m-value{font-size:19px;color:var(--amber);font-variant-numeric:tabular-nums;font-weight:700;}
.hero-meta .m-value.teal{color:var(--primary-l);}

/* ============ 区块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section.flat{padding:48px 0;}
.sec-head{margin-bottom:44px;max-width:720px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--amber);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.sec-tag::before{content:"";width:22px;height:1px;background:var(--amber);opacity:.7;}
.sec-head h2{font-size:clamp(24px,3vw,36px);}
.sec-head p{color:var(--text-2);margin-top:14px;font-size:16px;}

/* ============ Bento 特性网格 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.bento-card{
  position:relative;display:flex;flex-direction:column;gap:14px;padding:28px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.bento-card:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.34);box-shadow:var(--shadow-hover);}
.bento-card.b-7{grid-column:span 7;}
.bento-card.b-5{grid-column:span 5;}
.bento-card.b-4{grid-column:span 4;}
.bento-card.b-3{grid-column:span 3;}
.bento-card.b-5s{grid-column:span 5;}
.icon-line{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(20,201,166,.32);background:rgba(20,201,166,.07);color:var(--primary-l);
}
.icon-line svg{width:22px;height:22px;}
.bento-card h3{font-size:19px;}
.bento-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.bento-card .cover{
  margin-top:auto;border-radius:12px;overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--line);background:linear-gradient(140deg,#0B1220,#131E33);
}
.bento-card .cover img{width:100%;height:100%;object-fit:cover;opacity:.85;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow i{font-size:12px;transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}
.feature-list{display:flex;flex-direction:column;gap:9px;margin-top:4px;}
.feature-list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--text-2);}
.feature-list li i{color:var(--primary);font-size:12px;margin-top:6px;}

/* ============ 规格定义列表 ============ */
.spec-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start;}
.spec-panel{
  padding:8px 30px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);backdrop-filter:blur(16px) saturate(140%);box-shadow:var(--shadow);
}
.spec-group{padding:26px 0;border-bottom:1px solid var(--line);}
.spec-group:last-child{border-bottom:0;}
.spec-group h3{
  font-size:13px;letter-spacing:.12em;color:var(--amber);text-transform:uppercase;
  margin-bottom:18px;font-weight:700;
}
.spec-dl{display:grid;grid-template-columns:190px minmax(0,1fr);gap:0 24px;margin:0;}
.spec-dl dt{
  color:var(--text-3);font-size:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.07);
}
.spec-dl dd{
  margin:0;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.07);
  color:var(--text);font-size:14.5px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.spec-dl dt:last-of-type,.spec-dl dd:last-of-type{border-bottom:0;}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;}

/* 吸顶概览卡 */
.side-card{
  position:sticky;top:98px;padding:24px;
  background:rgba(11,18,32,.86);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow);
}
.side-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
}
.side-card h3{font-size:16px;margin-bottom:18px;}
.side-rows{display:flex;flex-direction:column;gap:12px;margin-bottom:20px;}
.side-row{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13.5px;}
.side-row span:first-child{color:var(--text-3);}
.side-row span:last-child{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600;}
.side-row span.hl{color:var(--amber);}
.side-card .btn-primary,.side-card .btn-ghost{width:100%;}
.side-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7;}
.side-divider{height:1px;background:var(--line);margin:18px 0;}

/* ============ 版本对比行 ============ */
.compare-list{display:flex;flex-direction:column;gap:12px;}
.compare-row{
  display:grid;grid-template-columns:minmax(0,1.1fr) 1fr 1fr;gap:20px;align-items:center;
  padding:20px 24px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(14px);transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.compare-row:hover{border-color:rgba(20,201,166,.3);background:rgba(255,255,255,.06);transform:translateY(-2px);}
.compare-row .c-name{font-size:15px;font-weight:600;color:var(--text);}
.compare-row .c-name small{display:block;font-weight:400;font-size:12.5px;color:var(--text-3);margin-top:4px;}
.c-cell{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:8px;}
.c-cell.ok{color:var(--primary-l);}
.c-cell.ok i{color:var(--primary);}
.c-cell.muted{color:var(--text-3);}
.compare-head{
  display:grid;grid-template-columns:minmax(0,1.1fr) 1fr 1fr;gap:20px;padding:0 24px 6px;
  font-size:12.5px;color:var(--text-3);letter-spacing:.06em;
}
.conclusion{
  margin-top:22px;padding:18px 24px;border-radius:var(--r-md);
  border:1px solid rgba(20,201,166,.4);background:rgba(20,201,166,.06);
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);
}
.conclusion i{color:var(--primary);margin-top:5px;}

/* ============ 平台支持行 ============ */
.platform-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.platform-item{
  display:flex;align-items:center;gap:14px;padding:20px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color var(--ease),transform var(--ease);
}
.platform-item:hover{border-color:rgba(20,201,166,.3);transform:translateY(-2px);}
.platform-item i{font-size:22px;color:var(--primary-l);width:26px;text-align:center;}
.platform-item strong{display:block;font-size:14.5px;color:var(--text);}
.platform-item small{font-size:12.5px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px 22px 16px;background:none;border:0;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;transition:color var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
}
.faq-q[aria-expanded="true"]{color:var(--primary-l);}
.faq-q[aria-expanded="true"]::before{opacity:1;}
.faq-q:hover{color:var(--primary-l);}
.faq-icon{position:relative;flex-shrink:0;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
.faq-a p{padding:0 40px 24px 16px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(20,201,166,.3);
  background:linear-gradient(120deg, rgba(20,201,166,.14), rgba(11,18,32,.9) 58%);
  padding:44px 44px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  backdrop-filter:blur(16px);box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(109,240,210,.5),transparent);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:64px 0 28px;background:#04070D;border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:16px;font-weight:700;color:var(--text);}
.foot-about{color:var(--text-3);font-size:13.5px;line-height:1.85;max-width:340px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:40px;height:40px;display:grid;place-items:center;border-radius:11px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:15px;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.socials a:hover{color:var(--primary-l);border-color:rgba(20,201,166,.4);transform:translateY(-2px);}
.foot-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text);}
.foot-col a{display:block;font-size:13.5px;color:var(--text-3);padding:5px 0;transition:color var(--ease);}
.foot-col a:hover{color:var(--primary-l);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.foot-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;}

/* ============ 动效 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ============ 断点 ============ */
@media (max-width:1199px){
  .nav-menu a{padding:0 10px;font-size:13.5px;}
  .cmd-search{width:190px;}
  .spec-layout{grid-template-columns:minmax(0,1fr) 300px;}
  .bento-card.b-7,.bento-card.b-5,.bento-card.b-4,.bento-card.b-3,.bento-card.b-5s{grid-column:span 6;}
}
@media (max-width:991px){
  .nav-menu,.head-cta,.cmd-search{display:none;}
  .hamburger{display:flex;}
  .head-inner{height:66px;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  .spec-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .platform-row{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-row,.compare-head{grid-template-columns:1fr 1fr;}
  .compare-head span:first-child{display:none;}
  .cta-band{padding:34px 28px;}
}
@media (max-width:767px){
  .page-hero{padding:52px 0 44px;}
  .bento{grid-template-columns:1fr;}
  .bento-card.b-7,.bento-card.b-5,.bento-card.b-4,.bento-card.b-3,.bento-card.b-5s{grid-column:span 1;}
  .bento-card{padding:22px;}
  .spec-panel{padding:6px 20px;}
  .spec-dl{grid-template-columns:1fr;}
  .spec-dl dt{padding-bottom:2px;border-bottom:0;font-size:12.5px;letter-spacing:.04em;}
  .spec-dl dd{padding-top:4px;font-size:14px;}
  .hero-meta{gap:18px;}
  .platform-row{grid-template-columns:1fr;}
  .compare-row,.compare-head{grid-template-columns:1fr;gap:8px;}
  .compare-head{display:none;}
  .compare-row{padding:18px 20px;}
  .faq-q{font-size:15.5px;padding:20px 4px 20px 14px;}
  .faq-a p{padding:0 20px 22px 14px;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{flex:1;min-width:140px;}
  .foot-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:519px){
  .brand-text{font-size:14.5px;}
  .btn-primary,.btn-ghost{padding:0 16px;font-size:14px;}
  .hero-meta .m-value{font-size:17px;}
}

/* roulang page: category5 */
:root{
  --bg:#060910;
  --panel:#0B1220;
  --panel-soft:rgba(11,18,32,.86);
  --primary:#14C9A6;
  --primary-dark:#0E9C82;
  --primary-light:#6DF0D2;
  --amber:#F0B23C;
  --rose:#E8506E;
  --text:#E9EFF8;
  --text-2:#9AA8C0;
  --text-3:#6B7A93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px -24px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(20,201,166,.35),0 12px 40px -14px rgba(20,201,166,.45);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:200ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-light)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1140px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media(min-width:1400px){.container-x{max-width:1240px}}
@media(max-width:1199px){.container-x{max-width:960px}}
@media(max-width:991px){.container-x{max-width:720px}}
@media(max-width:767px){.container-x{max-width:100%;padding:0 20px}}
@media(max-width:575px){.container-x{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,9,16,.55);
  backdrop-filter:blur(12px) saturate(140%);
  transition:background var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,9,16,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(150%);
}
.head-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(160deg,rgba(20,201,166,.20),rgba(20,201,166,.04));
  border:1px solid rgba(109,240,210,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
}
.brand-mark svg{width:20px;height:20px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-menu a{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--text-2);border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--text);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));
}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-pill{
  display:flex;align-items:center;gap:10px;width:250px;height:40px;padding:0 12px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-pill i{color:var(--text-3);font-size:13px}
.search-pill input{
  flex:1;background:none;border:0;outline:none;color:var(--text);font-size:13.5px;min-width:0;
}
.search-pill input::placeholder{color:var(--text-3)}
.search-pill .kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.search-pill:focus-within{border-color:rgba(20,201,166,.6);box-shadow:0 0 0 3px rgba(20,201,166,.14);background:rgba(255,255,255,.07)}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary-light);border-color:rgba(20,201,166,.45);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);min-height:44px;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-light),var(--primary));
  color:#04140F;box-shadow:0 10px 30px -12px rgba(20,201,166,.7);
}
.btn-primary:hover{color:#04140F;transform:translateY(-1px);box-shadow:0 14px 36px -10px rgba(20,201,166,.85)}
.btn-ghost{
  background:var(--glass);border-color:var(--glass-line);color:var(--primary-light);
}
.btn-ghost:hover{border-color:rgba(20,201,166,.5);color:var(--primary-light);transform:translateY(-1px)}
.btn-text{color:var(--primary);background:none;padding:0;min-height:auto;font-weight:600}
.btn-text i{transition:transform var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text);
  align-items:center;justify-content:center;
}
.mobile-drawer{
  position:fixed;top:0;right:0;width:min(340px,88vw);height:100vh;z-index:80;
  background:rgba(11,18,32,.96);backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--glass-line);
  transform:translateX(105%);transition:transform 240ms ease;
  padding:26px 22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.mobile-drawer .close-btn{background:none;border:0;color:var(--text-2);font-size:20px;width:42px;height:42px}
.mobile-drawer a.drawer-link{
  padding:14px 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:15px;
}
.mobile-drawer a.drawer-link.active{color:var(--primary-light);font-weight:600}
.mobile-drawer .drawer-search{margin:16px 0;width:100%}
.mobile-drawer .btn{width:100%}
.overlay{position:fixed;inset:0;background:rgba(3,5,10,.6);z-index:70;opacity:0;pointer-events:none;transition:opacity var(--ease)}
.overlay.show{opacity:1;pointer-events:auto}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-3);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(255,255,255,.18)}
.crumb strong{color:var(--text-2);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 64px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(90%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.72),rgba(6,9,16,.96) 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(32px,4.4vw,52px);margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero-sub{color:var(--text-2);font-size:17px;max-width:520px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--primary-light);
  font-size:13px;cursor:pointer;transition:all var(--ease);
}
.tag:hover{border-color:rgba(20,201,166,.5);transform:translateY(-1px);background:rgba(20,201,166,.10)}
.hero-search{
  margin-top:26px;max-width:520px;display:flex;align-items:center;gap:12px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  padding:6px 8px 6px 16px;backdrop-filter:blur(14px) saturate(140%);
}
.hero-search i{color:var(--text-3)}
.hero-search input{flex:1;background:none;border:0;outline:none;color:var(--text);font-size:15px;height:44px;min-width:0}
.hero-search input::placeholder{color:var(--text-3)}
.hero-search .btn{flex-shrink:0}
.hero-foot{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13px;color:var(--text-3)}
.hero-foot span{display:inline-flex;align-items:center;gap:7px}
.hero-foot i{color:var(--primary)}
.hero-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--panel-soft);border:1px solid var(--glass-line);
  box-shadow:var(--shadow);backdrop-filter:blur(16px) saturate(140%);
  padding:18px;
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:14px;right:14px;height:1px;background:var(--glass-top);
}
.hero-shot{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#0d1a2b,#0a141f)}
.hero-shot img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.mini{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 10px;text-align:center;
}
.mini b{
  display:block;font-size:22px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.mini span{font-size:12px;color:var(--text-3);display:block;margin-top:4px}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--amber);
  letter-spacing:.06em;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--amber);opacity:.7}

/* ---------- kpi row ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi{
  position:relative;border-radius:var(--r-lg);padding:24px 22px;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);overflow:hidden;transition:all var(--ease);
}
.kpi::before{content:"";position:absolute;top:0;left:16px;right:16px;height:1px;background:var(--glass-top)}
.kpi:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.35)}
.kpi b{
  display:block;font-size:44px;line-height:1.05;font-weight:700;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--amber);
}
.kpi b small{font-size:16px;color:var(--text-2);margin-left:4px;font-weight:600}
.kpi span{display:block;margin-top:10px;font-size:13.5px;color:var(--text-3)}
.kpi i.dot{
  position:absolute;right:20px;top:22px;width:8px;height:8px;border-radius:50%;
  background:var(--primary);opacity:.5;
}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start}
.anchor-card{
  position:sticky;top:96px;border-radius:var(--r-lg);padding:20px 18px;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.anchor-card h3{font-size:14px;color:var(--text-3);font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.anchor-card a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:all var(--ease);
}
.anchor-card a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.anchor-card a.active{background:rgba(20,201,166,.10);color:var(--primary-light);font-weight:600}
.anchor-card a span.num{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.anchor-card a.active span.num{color:var(--amber)}
.anchor-foot{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);line-height:1.7;
}
.anchor-foot a{color:var(--primary)}

.faq-group{margin-bottom:44px;scroll-margin-top:100px}
.group-title{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.group-title .idx{
  font-size:13px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;
  border:1px solid rgba(240,178,60,.35);border-radius:var(--r-pill);padding:3px 10px;
}
.group-title h3{font-size:20px}
.group-title span.count{font-size:13px;color:var(--text-3)}

.faq-item{
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;color:var(--text);text-align:left;
  padding:20px 4px 20px 14px;font-size:16.5px;font-weight:600;line-height:1.5;cursor:pointer;
  transition:color var(--ease),background var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:top;
  transition:transform 200ms ease;
}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-item.open .faq-q{color:var(--primary-light)}
.faq-q:hover{color:var(--primary-light)}
.faq-q .qmark{
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;margin-right:2px;
  flex-shrink:0;
}
.faq-q .qtext{flex:1}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform 200ms ease,opacity 200ms ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 200ms ease,padding var(--ease);
}
.faq-item.open .faq-a{max-height:520px;padding-bottom:22px}
.faq-a p{color:var(--text-2);font-size:15px;line-height:1.85;padding-left:34px;padding-right:12px}
.faq-a .hint{
  display:inline-flex;align-items:center;gap:7px;margin-top:12px;margin-left:34px;
  font-size:13px;color:var(--amber);
}
.faq-empty{
  display:none;padding:36px 20px;text-align:center;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed var(--glass-line);color:var(--text-3);font-size:14.5px;
}
.faq-empty i{display:block;font-size:26px;color:var(--primary);margin-bottom:10px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  position:relative;border-radius:var(--r-lg);padding:26px 22px;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px) saturate(140%);
  transition:all var(--ease);box-shadow:var(--shadow);
}
.step::before{content:"";position:absolute;top:0;left:16px;right:16px;height:1px;background:var(--glass-top)}
.step:hover{transform:translateY(-2px);border-color:rgba(20,201,166,.35)}
.step .num{
  font-size:34px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;
  line-height:1;letter-spacing:-.02em;
}
.step h3{font-size:17px;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- support / form ---------- */
.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.card{
  position:relative;border-radius:var(--r-lg);padding:28px 26px;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow);
}
.card::before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;background:var(--glass-top)}
.card h3{font-size:20px;margin-bottom:8px}
.card .lead{font-size:14.5px;color:var(--text-2);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field label i{color:var(--text-3);margin-right:6px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  border-radius:var(--r-md);color:var(--text);font-size:14.5px;padding:12px 14px;
  outline:none;transition:border-color var(--ease),box-shadow var(--ease);font-family:inherit;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(20,201,166,.65);box-shadow:0 0 0 3px rgba(20,201,166,.14);
  background:rgba(255,255,255,.06);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{background:#0B1220;color:var(--text)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.65}
.check input{
  appearance:none;width:18px;height:18px;flex-shrink:0;margin-top:3px;
  border:1px solid var(--glass-line);border-radius:5px;background:rgba(255,255,255,.04);
  cursor:pointer;position:relative;transition:all var(--ease);
}
.check input:checked{background:var(--primary);border-color:var(--primary)}
.check input:checked::after{
  content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;
  border:solid #04140F;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check a{color:var(--primary)}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:var(--text-3)}

.hours{
  border-radius:var(--r-lg);padding:24px 22px;background:var(--panel-soft);
  border:1px solid var(--glass-line);box-shadow:var(--shadow);
}
.hours h3{font-size:18px;margin-bottom:16px}
.hours .row-line{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.hours .row-line:last-of-type{border-bottom:0}
.hours .row-line span{color:var(--text-2)}
.hours .row-line b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600}
.hours .row-line b.amber{color:var(--amber)}
.hours .status{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:8px 14px;
  border-radius:var(--r-pill);background:rgba(20,201,166,.10);border:1px solid rgba(20,201,166,.3);
  color:var(--primary-light);font-size:13px;
}
.hours .status i{font-size:8px}
.hours .tips{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.hours .tips li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:6px 0;line-height:1.7}
.hours .tips li i{color:var(--primary);margin-top:5px;font-size:12px}
.hours .shot{margin-top:18px;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:linear-gradient(140deg,#0d1a2b,#091320)}
.hours .shot img{width:100%;height:100%;object-fit:cover;opacity:.9}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 80px}
.cta-inner{
  position:relative;border-radius:var(--r-lg);padding:40px 38px;overflow:hidden;
  background:linear-gradient(120deg,rgba(20,201,166,.14),rgba(11,18,32,.9) 62%);
  border:1px solid rgba(20,201,166,.28);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-inner::before{content:"";position:absolute;top:0;left:24px;right:24px;height:1px;background:var(--glass-top)}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{
  background:#04070D;border-top:1px solid var(--line);padding:64px 0 28px;position:relative;z-index:1;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16.5px;margin-bottom:16px}
.foot-about{color:var(--text-3);font-size:14px;line-height:1.8;max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  transition:all var(--ease);
}
.socials a:hover{color:var(--primary-light);border-color:rgba(20,201,166,.45);transform:translateY(-1px)}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.foot-col a{display:block;color:var(--text-3);font-size:14px;padding:6px 0;transition:color var(--ease)}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom .legal span{font-variant-numeric:tabular-nums}

/* ---------- responsive ---------- */
@media(max-width:1199px){
  .nav-menu a{padding:8px 9px;font-size:14px}
  .search-pill{width:200px}
  .faq-layout{grid-template-columns:220px 1fr;gap:28px}
}
@media(max-width:991px){
  .nav-menu,.search-pill,.head-right .icon-btn,.head-right .btn-primary{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero{padding:32px 0 48px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr}
  .anchor-card{position:static}
  .anchor-card .anchor-links{display:flex;overflow-x:auto;gap:8px;padding-bottom:6px}
  .anchor-card a{white-space:nowrap;border:1px solid var(--line)}
  .steps{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
  .faq-q{font-size:15.5px}
  .cta-inner{padding:32px 24px}
}
@media(max-width:767px){
  .kpi-grid{grid-template-columns:1fr 1fr;gap:14px}
  .kpi b{font-size:34px}
  .hero-search{flex-wrap:wrap;padding:12px}
  .hero-search .btn{width:100%}
  .field-row{grid-template-columns:1fr}
  .faq-a p{padding-left:14px}
  .faq-a .hint{margin-left:14px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media(max-width:575px){
  .head-inner{height:64px}
  .brand{font-size:15.5px}
  .kpi-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}