/* roulang page: index */
:root{
  --bg:#0A0E1F;
  --bg-deep:#06070F;
  --panel:#101533;
  --panel-2:#0C1226;
  --violet:#6E5BFF;
  --cyan:#35E0C9;
  --orange:#FF8A3D;
  --text:#EEF1FF;
  --text-2:#A7AFC9;
  --text-3:#6C7590;
  --line:rgba(255,255,255,.08);
  --line-violet:rgba(110,91,255,.22);
  --radius-card:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px -24px rgba(0,0,0,.85);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,dl,dd,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.03em;font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
@media (max-width:1024px){.container{padding:0 28px}}
@media (max-width:640px){.container{padding:0 18px}}

.section{padding:112px 0;position:relative}
@media (max-width:1024px){.section{padding:82px 0}}
@media (max-width:640px){.section{padding:60px 0}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),transform .18s var(--ease),filter .22s var(--ease);
}
.btn-primary{background:linear-gradient(120deg,#6E5BFF,#35E0C9);color:#06070F}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(110,91,255,.5),0 12px 32px -8px rgba(110,91,255,.65)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.3),0 6px 16px -10px rgba(110,91,255,.45);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(53,224,201,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,14,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:72px}
.nav-slot{display:flex;align-items:center;gap:4px;min-width:0}
.nav-slot--right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px;border-radius:12px;transition:opacity .2s var(--ease)}
.brand:hover{opacity:.88}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(140deg,#6E5BFF,#35E0C9);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -10px rgba(110,91,255,.9);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.34em;font-family:var(--font-num);text-transform:uppercase}
.icon-only{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(16,21,51,.6);color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.icon-only:hover{border-color:var(--cyan);color:var(--cyan)}
.menu-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(16,21,51,.6);color:var(--text);cursor:pointer;
}
.menu-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

@media (max-width:980px){
  .nav-slot .nav-link{display:none}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:66px}
  .brand{justify-self:center;padding:0}
  .brand-name{font-size:16px}
  .brand-sub{letter-spacing:.22em}
  .icon-only{display:inline-flex}
  .menu-toggle{display:inline-flex}
}
@media (max-width:400px){
  .brand-name{font-size:15px}
  .brand-mark{width:32px;height:32px;flex-basis:32px}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(6,7,15,.9);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:#0A0E1F;border-left:1px solid var(--line);
  padding:26px 22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(24px);transition:transform .28s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);cursor:pointer;margin-bottom:10px;
}
.drawer-link{
  position:relative;display:flex;align-items:center;min-height:52px;padding:0 14px 0 18px;
  border-radius:12px;color:var(--text-2);font-size:16px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.drawer-link::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--violet),var(--cyan));opacity:0;transition:opacity .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--text);background:rgba(110,91,255,.1)}
.drawer-link.is-active::before{opacity:1}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--bg-deep);
  min-height:620px;display:flex;align-items:center;padding:76px 0 72px;
}
.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:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,#06070F 6%,rgba(6,7,15,.9) 40%,rgba(6,7,15,.4) 100%),
    linear-gradient(180deg,rgba(6,7,15,.72) 0%,rgba(10,14,31,.94) 100%);
}
.hero::before{
  content:"";position:absolute;z-index:1;pointer-events:none;
  width:660px;height:660px;left:-200px;top:-260px;
  background:radial-gradient(circle,rgba(110,91,255,.34),transparent 68%);
}
.hero::after{
  content:"";position:absolute;z-index:1;pointer-events:none;
  width:560px;height:560px;right:-160px;bottom:-240px;
  background:radial-gradient(circle,rgba(53,224,201,.2),transparent 70%);
}
.star-noise{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.75;
  background-image:
    radial-gradient(1px 1px at 22px 32px,rgba(255,255,255,.55),transparent),
    radial-gradient(1px 1px at 138px 92px,rgba(255,255,255,.32),transparent),
    radial-gradient(1.4px 1.4px at 246px 48px,rgba(110,91,255,.55),transparent),
    radial-gradient(1px 1px at 88px 178px,rgba(255,255,255,.28),transparent),
    radial-gradient(1.2px 1.2px at 302px 214px,rgba(53,224,201,.45),transparent),
    radial-gradient(1px 1px at 196px 268px,rgba(255,255,255,.22),transparent);
  background-size:340px 300px;
}
.meteor{
  position:absolute;z-index:1;top:16%;left:62%;width:180px;height:1.5px;pointer-events:none;
  background:linear-gradient(90deg,rgba(53,224,201,0),rgba(53,224,201,.85),rgba(255,255,255,.9));
  border-radius:2px;transform:rotate(22deg);opacity:0;
  animation:meteor 2.5s linear infinite;
}
@keyframes meteor{
  0%{opacity:0;transform:translate(0,0) rotate(22deg)}
  12%{opacity:1}
  55%{opacity:1}
  100%{opacity:0;transform:translate(320px,140px) rotate(22deg)}
}
@media (prefers-reduced-motion:reduce){
  .meteor{animation:none;opacity:0}
  *{scroll-behavior:auto !important}
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-violet);background:rgba(110,91,255,.1);
  font-family:var(--font-num);font-size:12px;letter-spacing:.1em;color:#C9C2FF;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  margin:22px 0 0;font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-.01em;
}
.hero h1 .hl{
  background:linear-gradient(100deg,#8E7DFF,#35E0C9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin:20px 0 0;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 0}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  background:rgba(16,21,51,.55);border:1px solid var(--line-violet);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:13px;color:var(--text-2);
}
.trust-chip b{color:var(--text);font-family:var(--font-num);font-weight:600;letter-spacing:.03em}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:20px;overflow:hidden;border:1px solid var(--line-violet);
  background:rgba(16,21,51,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 30px 70px -40px rgba(0,0,0,.95);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual .badge-float{
  position:absolute;left:-14px;bottom:26px;padding:12px 16px;border-radius:14px;
  background:rgba(12,18,38,.92);border:1px solid var(--line-violet);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9);
  font-size:13px;color:var(--text-2);
}
.hero-visual .badge-float b{display:block;font-size:20px;color:var(--cyan);font-family:var(--font-num);line-height:1.3}
@media (max-width:1024px){
  .hero{min-height:auto;padding:64px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
  .hero-sub{max-width:none}
}
@media (max-width:640px){
  .hero{padding:48px 0 48px;min-height:480px}
  .hero-inner{text-align:center;justify-items:center}
  .hero h1{font-size:31px;margin-top:18px}
  .hero-sub{font-size:15.5px}
  .hero-cta{justify-content:center;width:100%}
  .hero-cta .btn{flex:1 1 45%}
  .trust-row{justify-content:center}
  .hero-visual .badge-float{left:0}
}

/* ---------- 数据条 ---------- */
.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-deep)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 24px;border-left:1px solid var(--line);text-align:center}
.stat:first-child{border-left:0}
.stat-num{display:block;font-family:var(--font-num);font-size:30px;font-weight:600;letter-spacing:.03em;color:var(--text);line-height:1.2}
.stat-num em{font-style:normal;font-size:15px;color:var(--cyan);margin-left:3px}
.stat-label{display:block;margin-top:8px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
@media (max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:1px solid var(--line)}
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:520px){
  .stat{padding:22px 12px}
  .stat-num{font-size:23px}
}

/* ---------- 通用板块头 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:46px}
.section-head h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:-.005em;margin-top:12px}
.section-head .lead{margin-top:12px;color:var(--text-2);font-size:16px;max-width:660px}
.head-link{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);
  border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.head-link:hover{border-color:var(--cyan);gap:10px}
@media (max-width:768px){
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .section-head h2{font-size:25px}
}

/* ---------- 功能价值区（非对称） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  position:relative;border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--shadow-card);overflow:hidden;
  padding:28px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-violet)}
.feature-card h3{font-size:20px;font-weight:700;line-height:1.4}
.feature-card p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-2)}
.feature-tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:rgba(110,91,255,.14);color:#C6BFFF;font-size:12px;letter-spacing:.06em;
  font-family:var(--font-num);margin-bottom:16px;
}
.feature-card--wide{
  grid-column:span 2;display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch;padding:0;
}
.feature-card--wide .fc-body{padding:32px;display:flex;flex-direction:column;justify-content:center}
.feature-card--wide .fc-media{position:relative;min-height:260px}
.feature-card--wide .fc-media img{width:100%;height:100%;object-fit:cover}
.feature-card--wide .fc-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--panel) 0%,rgba(16,21,51,.15) 55%,transparent 100%);
}
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-card--wide{grid-column:span 2;grid-template-columns:1fr}
  .feature-card--wide .fc-media{min-height:200px;order:-1}
  .feature-card--wide .fc-media::after{background:linear-gradient(180deg,rgba(16,21,51,.1) 0%,var(--panel) 100%)}
}
@media (max-width:640px){
  .feature-grid{grid-template-columns:1fr}
  .feature-card--wide{grid-column:span 1}
  .feature-card{padding:22px}
  .feature-card--wide .fc-body{padding:24px}
}

/* ---------- 截图轮播 ---------- */
.showcase{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.carousel-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 24px;scrollbar-width:none;-ms-overflow-style:none;
}
.carousel-track::-webkit-scrollbar{display:none}
.slide{
  flex:0 0 clamp(266px,40%,520px);scroll-snap-align:center;
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:var(--panel-2);position:relative;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.slide img{width:100%;aspect-ratio:16/10;object-fit:cover}
.slide figcaption{
  padding:14px 18px;font-size:13.5px;color:var(--text-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
}
.slide.is-current{
  transform:scale(1.03);border-color:var(--line-violet);
  box-shadow:0 24px 60px -34px rgba(110,91,255,.75);
}
.slide.is-current figcaption{color:var(--text)}
.carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:6px}
.carousel-dots{display:flex;gap:8px}
.carousel-dots button{
  width:9px;height:9px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.18);transition:background .2s var(--ease),width .2s var(--ease);
}
.carousel-dots button.is-active{background:var(--cyan);width:26px;border-radius:6px}
.carousel-arrows{display:flex;gap:10px}
.arrow-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.arrow-btn:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(53,224,201,.08)}
.arrow-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.req-card{
  border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);
  padding:30px;box-shadow:var(--shadow-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.req-card:hover{border-color:var(--line-violet);transform:translateY(-3px)}
.req-head{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.req-head .os-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,91,255,.14);color:#C6BFFF;
}
.req-head h3{font-size:19px;font-weight:700}
.req-head span{display:block;font-size:12.5px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.03em}
.req-list{margin-top:8px}
.req-row{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:14px 0;border-bottom:1px dashed var(--line)}
.req-row:last-child{border-bottom:0}
.req-row dt{font-size:14px;color:var(--text-2);flex:0 0 auto}
.req-row dd{font-size:14px;color:var(--text);font-family:var(--font-num);font-weight:600;letter-spacing:.03em;text-align:right}
@media (max-width:820px){
  .req-grid{grid-template-columns:1fr}
  .req-card{padding:24px}
}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-col{display:flex;flex-direction:column;gap:22px}
.review-col--mid{margin-top:26px}
.review-card{
  position:relative;border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--panel);padding:26px;box-shadow:var(--shadow-card);overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.review-card:hover{border-color:var(--line-violet);transform:translateY(-4px)}
.review-card::before{
  content:"”";position:absolute;right:16px;top:-26px;font-size:130px;line-height:1;
  color:var(--cyan);opacity:.15;font-family:Georgia,serif;pointer-events:none;
}
.stars{display:flex;gap:3px;color:var(--orange);font-size:14px;letter-spacing:.06em}
.review-card blockquote{margin:14px 0 18px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.review-meta{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:linear-gradient(140deg,#6E5BFF,#35E0C9);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#06070F;
}
.review-meta strong{display:block;font-size:14px}
.review-meta small{display:block;font-size:12.5px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.02em}
@media (max-width:1024px){
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-col--mid{margin-top:0}
}
@media (max-width:640px){
  .review-grid{grid-template-columns:1fr}
}

/* ---------- 资讯列表（CMS） ---------- */
.news{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-violet)}
.news-thumb{position:relative;overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;padding:5px 12px;border-radius:999px;
  background:rgba(110,91,255,.14);color:#C6BFFF;font-size:12px;letter-spacing:.05em;font-family:var(--font-num);
}
.news-title{
  display:block;margin-top:14px;font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-title{color:#C6BFFF}
.news-excerpt{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.03em;
}
.news-foot .go{color:var(--cyan);transition:transform .2s var(--ease)}
.news-card:hover .news-foot .go{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;border-radius:var(--radius-card);border:1px dashed var(--line);
  background:var(--panel-2);text-align:center;
}
.news-empty .empty-mark{
  width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-violet);background:rgba(110,91,255,.1);color:var(--cyan);
}
.news-empty p{color:var(--text-2);font-size:15px}
@media (max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  position:relative;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--panel-2);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,var(--violet),var(--cyan));
  opacity:0;transition:width .24s var(--ease),opacity .24s var(--ease);
}
.faq-item.is-open{border-color:var(--line-violet);background:var(--panel)}
.faq-item.is-open::before{opacity:1;width:3px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:12px 22px;background:none;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;text-align:left;
}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-4px}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--cyan);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:13px;height:2px}
.faq-icon::after{width:2px;height:13px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 收口下载 ---------- */
.final-cta{padding:112px 0}
@media (max-width:640px){.final-cta{padding:60px 0}}
.cta-card{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--line-violet);
  background:linear-gradient(140deg,rgba(110,91,255,.16),rgba(53,224,201,.08) 55%,rgba(16,21,51,.6));
  padding:56px 48px;
}
.cta-card::after{
  content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;pointer-events:none;
  background:radial-gradient(circle,rgba(110,91,255,.34),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.cta-inner h2{font-size:32px;font-weight:700;line-height:1.3;margin-top:14px}
.cta-inner p{margin-top:14px;color:var(--text-2);max-width:520px;font-size:15px}
.cta-main{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.platform-btn{
  display:flex;flex-direction:column;gap:2px;padding:14px 16px;border-radius:14px;
  border:1px solid var(--line);background:rgba(12,18,38,.7);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.platform-btn:hover{border-color:var(--cyan);background:rgba(53,224,201,.08);transform:translateY(-3px)}
.platform-btn strong{font-size:14px}
.platform-btn small{font-size:12px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.02em}
.cta-side{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.qr-box{
  width:150px;height:150px;border-radius:18px;border:1px solid var(--line);
  background:rgba(12,18,38,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--text-3);font-size:12.5px;
}
.qr-box .dots{
  display:grid;grid-template-columns:repeat(5,10px);gap:5px;
}
.qr-box .dots i{width:10px;height:10px;border-radius:2px;background:rgba(110,91,255,.5);display:block}
.qr-box .dots i:nth-child(3n){background:rgba(53,224,201,.55)}
.qr-box .dots i:nth-child(4n){background:rgba(255,255,255,.14)}
.hash-line{font-size:12.5px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.02em;line-height:1.9}
.hash-line b{color:var(--text-2);font-weight:600}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-card{padding:36px 24px}
  .cta-inner h2{font-size:25px}
}
@media (max-width:520px){
  .platform-grid{grid-template-columns:1fr}
  .qr-box{width:100%;flex-direction:row;justify-content:flex-start;padding:16px;gap:16px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:var(--text-3);max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--cyan)}
.footer-col address{font-style:normal;font-size:13.5px;color:var(--text-3);line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.03em;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--cyan)}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
}

/* roulang page: article */
:root{
  --bg:#0A0E1F;
  --bg-deep:#06070F;
  --panel:#101533;
  --panel-2:#0C1226;
  --brand:#6E5BFF;
  --brand-2:#35E0C9;
  --warm:#FF8A3D;
  --text:#EEF1FF;
  --text-2:#A7AFC9;
  --text-3:#6C7590;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(110,91,255,.22);
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 40px -24px rgba(0,0,0,.85);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text);}
p{margin:0;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}
.mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.03em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:16px;
}
.nav-slot{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.nav-slot--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:10px 12px;
  font-size:15px;color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease-out, background-color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}

.icon-only{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.icon-only:hover{border-color:var(--brand-2);color:var(--brand-2);background:rgba(53,224,201,.08);}
.icon-only:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}

.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;
  padding:6px 8px;border-radius:14px;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--text-3);}
.brand:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}

.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s ease-out,color .2s ease-out;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--text);}
.menu-toggle:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
  background:rgba(6,7,15,.97);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:24px 18px 32px;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.nav-drawer[hidden]{display:none;}
.drawer-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  min-height:52px;padding:12px 16px 12px 20px;
  font-size:16px;color:var(--text-2);
  border-radius:14px;
  border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.drawer-link::before{
  content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  transition:height .2s ease-out;
}
.drawer-link:hover,.drawer-link.is-active{background:rgba(110,91,255,.12);color:var(--text);border-color:var(--line-brand);}
.drawer-link:hover::before,.drawer-link.is-active::before{height:60%;}
.drawer-foot{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.drawer-note{font-size:13px;color:var(--text-3);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:transform .18s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#06070F;
}
.btn-primary:hover{
  box-shadow:0 0 0 1px rgba(110,91,255,.5), 0 12px 32px -8px rgba(110,91,255,.65);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.35);}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--text);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(53,224,201,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;line-height:1.5;
  background:rgba(110,91,255,.14);
  border:1px solid var(--line-brand);
  color:#C9C2FF;
}
.badge-cyan{background:rgba(53,224,201,.12);border-color:rgba(53,224,201,.28);color:#9BEFE2;}

/* ============ 背景装饰（仅页头） ============ */
.page-glow{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(680px 320px at 12% -10%, rgba(110,91,255,.28), transparent 70%),
    radial-gradient(560px 300px at 88% 0%, rgba(53,224,201,.16), transparent 72%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat,
    var(--bg);
}
.page-glow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg, rgba(6,7,15,.35), rgba(10,14,31,.96) 78%, var(--bg));
}
.page-glow > *{position:relative;z-index:2;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
  font-size:13px;letter-spacing:.02em;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3);transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{color:rgba(255,255,255,.18);}
.breadcrumb .current{color:var(--brand-2);}

/* ============ 文章头 ============ */
.article-hero{padding:26px 0 8px;}
.article-hero h1{
  font-size:44px;font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:13px;letter-spacing:.02em;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.article-cover{
  margin-top:28px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ 正文布局 ============ */
.article-main{padding:44px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-col{min-width:0;}

.article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;color:var(--text-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .9em;
  padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.3;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{margin:1.6em 0 .6em;font-size:20px;font-weight:600;color:var(--text);}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;color:var(--text);}
.article-body a{
  color:#8E80FF;
  background-image:linear-gradient(90deg,var(--brand-2),var(--brand));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .22s ease-out,color .2s ease-out;
}
.article-body a:hover{color:#A7F3E8;background-size:100% 1px;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin:.4em 0;}
.article-body img{
  margin:1.4em auto;border-radius:12px;border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-body blockquote{
  margin:1.5em 0;padding:12px 20px;
  border-left:3px solid var(--brand-2);
  border-radius:0 12px 12px 0;
  background:rgba(53,224,201,.05);
  color:var(--text-2);
}
.article-body pre{
  margin:1.5em 0;padding:16px 18px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:12px;
  overflow-x:auto;
  font-family:var(--font-mono);
  font-size:14px;line-height:1.7;color:#D7DCF5;
}
.article-body code{
  font-family:var(--font-mono);
  font-size:.92em;
  padding:2px 6px;border-radius:6px;
  background:rgba(110,91,255,.14);
  color:#C9C2FF;
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{margin:2em 0;border:0;border-top:1px solid var(--line);}
.table-scroll{
  margin:1.5em 0;overflow-x:auto;
  border:1px solid var(--line);border-radius:12px;
}
.table-scroll table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;}
.article-body th,.article-body td{
  padding:10px 14px;text-align:left;
  border-bottom:1px solid var(--line);
}
.article-body th{color:var(--text);background:rgba(110,91,255,.08);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}

/* ============ 侧栏 ============ */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);
  text-transform:uppercase;
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
  box-shadow:0 0 0 4px rgba(53,224,201,.14);
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:10px;
  font-size:14px;line-height:1.6;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;
}
.toc-list a:hover{color:var(--text);background:rgba(110,91,255,.1);border-left-color:var(--brand);}
.toc-list a.is-current{color:var(--brand-2);border-left-color:var(--brand-2);background:rgba(53,224,201,.07);}
.toc-empty{font-size:13px;color:var(--text-3);}
.cta-card{
  background:rgba(16,21,51,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-brand);
  border-radius:var(--r-lg);
  padding:24px 20px;
}
.cta-card h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--text);}
.cta-card p{font-size:14px;line-height:1.75;color:var(--text-2);}
.cta-card .btn{width:100%;margin-top:16px;}
.cta-facts{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
}
.cta-facts span{display:block;font-size:11px;color:var(--text-3);letter-spacing:.06em;}
.cta-facts strong{display:block;font-family:var(--font-mono);font-size:14px;font-weight:600;color:var(--brand-2);letter-spacing:.03em;}

/* ============ 标签位 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);letter-spacing:.06em;}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:6px 14px;
  border-radius:999px;font-size:13px;color:var(--text-2);
  border:1px solid var(--line);
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.tag:hover{border-color:var(--brand);color:var(--text);background:rgba(110,91,255,.12);}

/* ============ 继续浏览 / 推荐 ============ */
.section{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head .tagline{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:32px;font-weight:700;line-height:1.25;}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.head-link{
  flex:0 0 auto;font-size:14px;color:var(--text-2);
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  transition:color .2s ease-out;
}
.head-link:hover{color:var(--brand-2);}

.next-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.next-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 26px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.next-card:hover{transform:translateY(-4px);border-color:var(--line-brand);}
.next-card .k{font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-bottom:6px;}
.next-card .t{font-size:18px;font-weight:700;color:var(--text);}
.next-card .arrow{font-family:var(--font-mono);color:var(--brand-2);font-size:18px;}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-brand);}
.post-card:focus-within{border-color:var(--brand-2);}
.post-thumb{position:relative;overflow:hidden;background:var(--panel-2);}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--text);}
.post-body h3 a{transition:color .2s ease-out;}
.post-body h3 a:hover{color:var(--brand-2);}
.post-body p{font-size:14px;line-height:1.75;color:var(--text-2);}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-foot .go{font-family:var(--font-mono);color:var(--brand-2);}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin:0 auto;padding:64px 24px;text-align:center;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel-2);
}
.empty-state .mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  border:1px solid var(--line-brand);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-2);font-family:var(--font-mono);font-size:20px;
}
.empty-state p{font-size:16px;color:var(--text-2);margin-bottom:20px;}

/* ============ CTA 收口 ============ */
.cta-band{
  border:1px solid var(--line-brand);
  border-radius:22px;
  padding:44px 40px;
  background:
    radial-gradient(520px 240px at 88% 10%, rgba(110,91,255,.28), transparent 72%),
    radial-gradient(420px 220px at 6% 100%, rgba(53,224,201,.16), transparent 70%),
    var(--panel);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.28;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{position:static;transform:none;padding:0;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px;}
.footer-col h3{
  font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--text-3);transition:color .2s ease-out;}
.footer-col li a:hover{color:var(--brand-2);}
.footer-col address{
  font-style:normal;font-size:14px;line-height:1.9;color:var(--text-3);
  font-family:var(--font-mono);letter-spacing:.02em;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;color:var(--text-3);
}
.fb-links{display:flex;gap:20px;}
.fb-links a{color:var(--text-3);transition:color .2s ease-out;}
.fb-links a:hover{color:var(--brand-2);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:32px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:1023px){
  .container{padding:0 28px;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;}
  .article-hero h1{font-size:36px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-slot .nav-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-name{font-size:16px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-wrap{height:64px;}
  .nav-drawer{top:64px;}
  .brand-mark{width:30px;height:30px;}
  .brand-name{font-size:15px;letter-spacing:0;}
  .brand-sub{font-size:10px;letter-spacing:.16em;}
  .article-hero{padding:16px 0 4px;}
  .article-hero h1{font-size:28px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:1.8em;}
  .article-body h3{font-size:18px;}
  .article-main{padding:32px 0 64px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .next-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:23px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-hero h1{font-size:25px;}
  .side-card{padding:18px 16px;}
  .post-body{padding:18px 18px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0E1F; --bg-deep:#06070F; --panel:#101533; --field:#0C1226;
  --violet:#6E5BFF; --cyan:#35E0C9; --orange:#FF8A3D;
  --text:#EEF1FF; --text-2:#A7AFC9; --text-3:#6C7590;
  --line:rgba(255,255,255,.08); --line-violet:rgba(110,91,255,.22);
  --r-card:18px; --r-sm:14px; --r-btn:12px; --r-img:16px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 40px -24px rgba(0,0,0,.85);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::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-cn);
  font-size:16px;line-height:1.8;letter-spacing:.01em;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 12% 6%, rgba(110,91,255,.20), transparent 68%),
    radial-gradient(560px 380px at 88% 34%, rgba(53,224,201,.13), transparent 70%),
    radial-gradient(2px 2px at 22% 32%, rgba(238,241,255,.35), transparent 100%),
    radial-gradient(1.6px 1.6px at 68% 18%, rgba(238,241,255,.28), transparent 100%),
    radial-gradient(1.4px 1.4px at 42% 72%, rgba(238,241,255,.22), transparent 100%),
    radial-gradient(1.4px 1.4px at 84% 82%, rgba(238,241,255,.20), transparent 100%);
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(110,91,255,.45);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;position:relative;z-index:1;}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.03em;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,31,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:16px;
}
.nav-slot{display:flex;align-items:center;gap:6px;}
.nav-slot--right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 12px;font-size:14px;color:var(--text-2);
  border-radius:var(--r-btn);transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:10px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--violet),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--text);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.icon-only{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--text-2);transition:.2s ease-out;
}
.icon-only:hover{color:var(--cyan);border-color:rgba(53,224,201,.45);background:rgba(53,224,201,.08);}
.brand{display:inline-flex;align-items:center;gap:10px;padding:4px;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  box-shadow:0 8px 22px -12px rgba(110,91,255,.9);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.18em;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);color:var(--text);cursor:pointer;
  transition:.2s ease-out;
}
.menu-toggle:hover{border-color:var(--line-violet);color:var(--cyan);}
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(6,7,15,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transform:translateY(-102%);transition:transform .3s ease-out;
  display:flex;flex-direction:column;padding:22px 20px 32px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:transparent;color:var(--text);cursor:pointer;
}
.drawer-list{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  display:flex;align-items:center;gap:12px;min-height:52px;padding:6px 14px;
  border-radius:var(--r-btn);color:var(--text-2);font-size:16px;
  border-left:2px solid transparent;transition:.2s ease-out;
}
.drawer-link:hover,.drawer-link.is-active{background:rgba(110,91,255,.12);color:var(--text);border-left-color:var(--violet);}
.drawer-foot{margin-top:auto;padding-top:26px;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .2s ease-out;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--violet),var(--cyan));color:#06070F;
}
.btn-primary:hover{
  filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(110,91,255,.5),0 12px 32px -8px rgba(110,91,255,.65);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.35);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(53,224,201,.6);background:rgba(53,224,201,.08);color:var(--cyan);}
.btn-ghost:active{transform:translateY(1px);}
.btn-wide{width:100%;}
.btn svg{width:18px;height:18px;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(6,7,15,.86),rgba(10,14,31,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:64px 0 68px;
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(520px 300px at 78% 18%,rgba(110,91,255,.26),transparent 70%);
}
.page-hero .container{position:relative;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(110,91,255,.14);border:1px solid var(--line-violet);
  color:var(--cyan);font-size:13px;letter-spacing:.06em;margin-bottom:18px;
}
.page-hero h1{
  font-size:44px;line-height:1.18;font-weight:800;letter-spacing:.01em;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{margin-top:16px;font-size:17px;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(16,21,51,.6);
  font-size:13px;color:var(--text-2);
}
.chip b{font-family:var(--font-num);font-weight:600;color:var(--cyan);letter-spacing:.03em;}

.glass{
  background:rgba(16,21,51,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-violet);
}
.hero-ticket{border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card);}
.hero-ticket h2{font-size:15px;color:var(--text-2);font-weight:600;letter-spacing:.04em;}
.ht-league{margin-top:14px;font-size:13px;color:var(--text-3);}
.ht-teams{margin-top:6px;font-size:21px;font-weight:700;}
.ht-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-top:20px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.14);}
.ht-label{font-size:12px;color:var(--text-3);letter-spacing:.08em;}
.countdown{display:flex;gap:8px;margin-top:8px;}
.cd-cell{
  min-width:56px;padding:8px 10px;border-radius:var(--r-sm);
  background:var(--field);border:1px solid var(--line);text-align:center;
}
.cd-cell span{display:block;font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--text);}
.cd-cell small{font-size:11px;color:var(--text-3);letter-spacing:.08em;}

/* ============ Section 基础 ============ */
.section{padding:96px 0;position:relative;}
.section--tight{padding:80px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-label{
  display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--cyan);
  padding-left:12px;position:relative;margin-bottom:12px;
}
.section-label::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--violet),var(--cyan));
}
.section-title{font-size:34px;font-weight:700;line-height:1.25;}
.section-desc{margin-top:12px;color:var(--text-2);max-width:640px;font-size:15.5px;}
.section-more{
  font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;
  transition:.2s ease-out;padding-bottom:2px;
}
.section-more:hover{color:var(--cyan);border-bottom-color:var(--cyan);}

/* ============ 票券式排期卡 ============ */
.schedule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ticket{
  position:relative;border-radius:var(--r-card);padding:24px;
  background:linear-gradient(180deg,rgba(16,21,51,.95),rgba(12,18,38,.95));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s ease-out,border-color .22s ease-out;
}
.ticket:hover{transform:translateY(-4px);border-color:var(--line-violet);}
.ticket-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ticket-time{font-family:var(--font-num);font-size:15px;font-weight:600;color:var(--text-2);letter-spacing:.05em;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;border:1px solid transparent;
}
.badge-live{background:rgba(255,138,61,.14);color:var(--orange);border-color:rgba(255,138,61,.32);}
.badge-soon{background:rgba(53,224,201,.13);color:var(--cyan);border-color:rgba(53,224,201,.3);}
.badge-idle{background:rgba(110,91,255,.13);color:#B7AEFF;border-color:var(--line-violet);}
.ticket-league{margin-top:16px;font-size:13px;color:var(--text-3);}
.ticket-teams{margin-top:6px;font-size:19px;font-weight:700;line-height:1.35;}
.ticket-note{margin-top:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.ticket-cut{
  margin-top:18px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.ticket-cut::before,.ticket-cut::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:1px solid var(--line);
}
.ticket-cut::before{left:-9px;bottom:52px;}
.ticket-cut::after{right:-9px;bottom:52px;}
.ticket-link{font-size:13.5px;color:var(--cyan);transition:.2s ease-out;}
.ticket-link:hover{color:#fff;}
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:rgba(16,21,51,.5);
}

/* ============ 非对称能力卡 ============ */
.ability-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.ability-card{
  grid-column:span 2;border-radius:var(--r-card);padding:26px;
  background:linear-gradient(180deg,rgba(16,21,51,.9),rgba(12,18,38,.9));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s ease-out,border-color .22s ease-out;
  display:flex;flex-direction:column;
}
.ability-card:hover{transform:translateY(-4px);border-color:var(--line-violet);}
.ability-card--wide{grid-column:span 3;padding:0;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;}
.ability-card--wide .ac-media{height:100%;min-height:260px;overflow:hidden;border-radius:0;}
.ability-card--wide .ac-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .24s ease-out;}
.ability-card--wide:hover .ac-media img{transform:scale(1.03);}
.ac-body{padding:26px;}
.ac-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(110,91,255,.16);border:1px solid var(--line-violet);color:var(--cyan);
  margin-bottom:16px;
}
.ac-icon svg{width:20px;height:20px;}
.ability-card h3{font-size:20px;font-weight:700;}
.ability-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.ac-stat{margin-top:auto;padding-top:18px;font-family:var(--font-num);font-size:26px;font-weight:600;color:var(--cyan);letter-spacing:.03em;}
.ac-stat small{display:block;font-family:var(--font-cn);font-size:12px;color:var(--text-3);letter-spacing:.08em;margin-top:4px;}

/* ============ 观赛流程时间轴 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:22px;height:1px;
  background:linear-gradient(90deg,rgba(110,91,255,.5),rgba(53,224,201,.5));
  opacity:.5;
}
.flow-step{position:relative;padding-top:58px;}
.flow-node{
  position:absolute;top:8px;left:0;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-family:var(--font-num);font-size:12px;font-weight:600;
  color:#06070F;background:linear-gradient(135deg,var(--violet),var(--cyan));
  box-shadow:0 0 0 6px rgba(110,91,255,.14),0 0 22px rgba(53,224,201,.35);
}
.flow-step h3{font-size:18px;font-weight:700;}
.flow-step p{margin-top:8px;font-size:14.5px;color:var(--text-2);}

/* ============ 能力对照与提示条 ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.compare-card{
  border-radius:var(--r-card);padding:28px;border:1px solid var(--line);
  background:rgba(16,21,51,.72);box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.compare-card h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;}
.compare-card h3 span{
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;flex:none;
  background:rgba(53,224,201,.16);color:var(--cyan);font-size:13px;font-family:var(--font-num);
}
.compare-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.compare-list li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:6px;border-radius:5px;
  background:rgba(110,91,255,.18);
  border:1px solid var(--line-violet);
  background-image:linear-gradient(45deg,transparent 44%,var(--cyan) 44%,var(--cyan) 56%,transparent 56%);
  background-size:100% 100%;background-repeat:no-repeat;
}
.note-bar{
  margin-top:28px;display:flex;gap:14px;align-items:flex-start;
  padding:18px 22px;border-radius:var(--r-sm);
  border:1px solid var(--line-violet);background:rgba(110,91,255,.1);
  font-size:14.5px;color:var(--text-2);
}
.note-bar strong{color:var(--text);font-weight:600;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  position:relative;margin-bottom:12px;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line);background:rgba(16,21,51,.66);
  transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:var(--line-violet);}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;text-align:left;color:var(--text);transition:color .2s ease-out;
}
.faq-q:hover{color:var(--cyan);}
.faq-icon{
  position:relative;flex:none;width:20px;height:20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:var(--cyan);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--violet),var(--cyan));
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a-inner{padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--text-2);}

/* ============ CTA ============ */
.cta-panel{
  border-radius:var(--r-card);padding:44px;position:relative;overflow:hidden;
  border:1px solid var(--line-violet);
  background-image:linear-gradient(120deg,rgba(16,21,51,.94),rgba(10,14,31,.92)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
}
.cta-panel h2{font-size:30px;font-weight:700;line-height:1.28;}
.cta-panel p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:520px;}
.platform-list{display:flex;flex-direction:column;gap:12px;}
.platform-btn{
  display:flex;align-items:center;gap:14px;min-height:64px;padding:12px 18px;
  border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(12,18,38,.75);
  transition:.2s ease-out;
}
.platform-btn:hover{border-color:rgba(53,224,201,.5);background:rgba(53,224,201,.08);transform:translateX(3px);}
.platform-btn strong{display:block;font-size:15px;font-weight:600;}
.platform-btn small{display:block;font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-top:2px;}
.verify-line{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:18px;
  font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.03em;
}

/* ============ Footer ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:0;position:relative;z-index:1;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col address{
  font-size:14px;color:var(--text-3);font-style:normal;line-height:1.9;
  transition:color .2s ease-out;
}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid var(--line);
  font-family:var(--font-num);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}
.fb-links{display:flex;gap:20px;}
.fb-links a{color:var(--text-3);transition:color .2s ease-out;}
.fb-links a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .nav-slot--left .nav-link{padding:0 10px;font-size:13.5px;}
  .schedule-grid{grid-template-columns:repeat(2,1fr);}
  .ability-grid{grid-template-columns:repeat(4,1fr);}
  .ability-card{grid-column:span 2;}
  .ability-card--wide{grid-column:span 4;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow::before{display:none;}
}
@media (max-width:1023px){
  .nav-slot--left .nav-link,.nav-slot--right .nav-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:68px;}
  .brand{justify-self:center;}
  .page-hero h1{font-size:36px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .cta-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .page-hero{padding:44px 0 48px;}
  .page-hero h1{font-size:30px;}
  .lede{font-size:15.5px;}
  .section-title{font-size:24px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .schedule-grid{grid-template-columns:1fr;}
  .ability-grid{grid-template-columns:1fr;}
  .ability-card,.ability-card--wide{grid-column:span 1;}
  .ability-card--wide{grid-template-columns:1fr;}
  .ability-card--wide .ac-media{min-height:200px;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .compare-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px;}
  .cta-panel h2{font-size:23px;}
  .hero-actions .btn{width:100%;}
  .brand-name{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
    --bg:#0A0E1F;
    --bg-deep:#06070F;
    --panel:#101533;
    --panel-2:#0C1226;
    --violet:#6E5BFF;
    --cyan:#35E0C9;
    --orange:#FF8A3D;
    --text:#EEF1FF;
    --muted:#A7AFC9;
    --weak:#6C7590;
    --line:rgba(255,255,255,.08);
    --line-violet:rgba(110,91,255,.22);
    --radius-card:18px;
    --radius-sm:14px;
    --radius-btn:12px;
    --radius-img:16px;
    --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px -24px rgba(0,0,0,.85);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-radius:var(--radius-img);}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
  a:hover{color:#fff;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;}
  p{margin:0;}
  address{font-style:normal;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
  }
  .btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
  .btn-primary{
    background:linear-gradient(120deg,#6E5BFF,#35E0C9);
    color:#06070F;
  }
  .btn-primary:hover{
    color:#06070F;
    box-shadow:0 0 0 1px rgba(110,91,255,.5), 0 12px 32px -8px rgba(110,91,255,.65);
    transform:translateY(-1px);
  }
  .btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.35), 0 4px 14px -6px rgba(110,91,255,.45);}
  .btn-ghost{
    background:transparent;border-color:var(--line);color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--cyan);background:rgba(53,224,201,.08);color:#fff;}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:rgba(10,14,31,.72);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{
    display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
    gap:10px;height:72px;
  }
  .nav-slot{display:flex;align-items:center;gap:4px;min-width:0;}
  .nav-slot--right{justify-content:flex-end;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:44px;padding:0 14px;border-radius:var(--radius-btn);
    font-size:15px;color:var(--muted);white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;
    background:linear-gradient(90deg,#6E5BFF,#35E0C9);
    transform:scaleX(0);transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:#fff;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .icon-only{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--radius-btn);
    border:1px solid var(--line);color:var(--muted);
    transition:border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
  }
  .icon-only:hover{border-color:var(--cyan);color:#fff;background:rgba(53,224,201,.08);}
  .icon-only:focus-visible,.menu-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

  .brand{display:inline-flex;align-items:center;gap:12px;padding:4px 8px;border-radius:var(--radius-sm);}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:12px;flex:0 0 auto;
    background:linear-gradient(135deg,#6E5BFF,#35E0C9);
    box-shadow:0 0 0 1px rgba(110,91,255,.35), 0 8px 22px -10px rgba(110,91,255,.8);
  }
  .brand-mark svg{width:20px;height:20px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text);}
  .brand-sub{font-size:11px;letter-spacing:.22em;color:var(--weak);margin-top:3px;}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--radius-btn);
    background:transparent;border:1px solid var(--line);color:var(--muted);
    cursor:pointer;transition:border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
  }
  .menu-toggle:hover{border-color:var(--violet);color:#fff;background:rgba(110,91,255,.12);}

  /* 抽屉 */
  .nav-drawer{
    position:fixed;inset:72px 0 0 0;z-index:65;
    background:rgba(6,7,15,.96);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    padding:28px 0 40px;
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s var(--ease);
  }
  .nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-grid{display:grid;grid-template-columns:1fr;gap:26px;}
  .drawer-title{font-size:12px;letter-spacing:.2em;color:var(--weak);margin-bottom:12px;}
  .drawer-link{
    position:relative;display:flex;align-items:center;justify-content:space-between;
    min-height:52px;padding:0 16px 0 20px;border-radius:var(--radius-sm);
    color:var(--muted);font-size:16px;border:1px solid var(--line);
    background:rgba(16,21,51,.45);margin-bottom:10px;
  }
  .drawer-link:hover{color:#fff;border-color:var(--line-violet);}
  .drawer-link.is-active{color:#fff;border-color:var(--line-violet);}
  .drawer-link.is-active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
    background:linear-gradient(180deg,#6E5BFF,#35E0C9);
  }

  /* ============ 页头（矮版） ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background:var(--bg-deep);
    border-bottom:1px solid var(--line);
    padding:52px 0 46px;
  }
  .page-hero .hero-layer{
    position:absolute;inset:0;pointer-events:none;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.26;
  }
  .page-hero .hero-veil{
    position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(circle at 16% 18%, rgba(110,91,255,.30), transparent 55%),
      radial-gradient(circle at 86% 4%, rgba(53,224,201,.16), transparent 52%),
      linear-gradient(180deg, rgba(10,14,31,.72), rgba(6,7,15,.96));
  }
  .page-hero .container{position:relative;z-index:2;}

  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--weak);margin-bottom:18px;}
  .breadcrumb a{color:var(--weak);}
  .breadcrumb a:hover{color:var(--text);}
  .breadcrumb .sep{color:rgba(255,255,255,.2);}
  .breadcrumb .current{color:var(--cyan);}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.16em;color:var(--cyan);
    padding:6px 12px;border-radius:999px;
    background:rgba(110,91,255,.14);
    border:1px solid rgba(110,91,255,.28);
  }
  .page-hero h1{
    margin-top:18px;
    font-size:40px;font-weight:800;line-height:1.18;letter-spacing:-.01em;
    max-width:760px;
  }
  .page-hero .lead{
    margin-top:14px;max-width:620px;font-size:16px;color:var(--muted);
  }
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .chip{
    display:inline-flex;align-items:center;gap:8px;
    min-height:36px;padding:0 14px;border-radius:999px;
    border:1px solid var(--line);background:rgba(16,21,51,.55);
    font-size:13px;color:var(--muted);letter-spacing:.02em;
  }
  .chip strong{font-family:Inter,"JetBrains Mono",monospace;font-weight:600;letter-spacing:.03em;color:var(--text);}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

  .hero-side{
    border:1px solid var(--line-violet);
    border-radius:var(--radius-card);
    background:rgba(16,21,51,.55);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:16px;
    box-shadow:var(--shadow-card);
  }
  .hero-side img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}
  .hero-side p{margin-top:12px;font-size:13.5px;color:var(--muted);line-height:1.7;}

  /* ============ 板块通用 ============ */
  .section{padding:96px 0;}
  .section--tight{padding:76px 0;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
    margin-bottom:40px;flex-wrap:wrap;
  }
  .section-head .label{font-size:12px;letter-spacing:.18em;color:var(--violet);margin-bottom:10px;display:block;}
  .section-head h2{font-size:32px;font-weight:700;line-height:1.28;letter-spacing:-.01em;}
  .section-head .desc{margin-top:12px;max-width:560px;font-size:15px;color:var(--muted);}
  .section-link{
    font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;
    padding-bottom:2px;border-bottom:1px solid transparent;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .section-link:hover{color:#fff;border-color:var(--cyan);}

  .card{
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:linear-gradient(180deg, rgba(16,21,51,.72), rgba(12,18,38,.66));
    box-shadow:var(--shadow-card);
    transition:transform .22s var(--ease), border-color .22s var(--ease);
  }
  .card:hover{transform:translateY(-4px);border-color:var(--line-violet);}

  /* 主题索引条 */
  .topic-bar{
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:rgba(12,18,38,.6);
  }
  .topic-scroll{
    display:flex;align-items:center;gap:10px;
    padding:16px 0;overflow-x:auto;scrollbar-width:thin;
  }
  .topic-scroll::-webkit-scrollbar{height:4px;}
  .topic-scroll::-webkit-scrollbar-thumb{background:rgba(110,91,255,.4);border-radius:4px;}
  .topic-chip{
    display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
    min-height:40px;padding:0 16px;border-radius:999px;
    border:1px solid var(--line);color:var(--muted);font-size:14px;
    background:rgba(16,21,51,.5);
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .topic-chip:hover{color:#fff;border-color:var(--line-violet);background:rgba(110,91,255,.14);}
  .topic-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:0 0 auto;}

  /* 帮助卡墙 */
  .help-card{
    display:flex;flex-direction:column;gap:14px;
    padding:26px;height:100%;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:linear-gradient(180deg, rgba(16,21,51,.72), rgba(12,18,38,.6));
    box-shadow:var(--shadow-card);
    transition:transform .22s var(--ease), border-color .22s var(--ease);
  }
  .help-card:hover{transform:translateY(-4px);border-color:var(--line-violet);}
  .help-card h3{font-size:20px;font-weight:700;}
  .help-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
  .help-card ul{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
  .help-card li{
    position:relative;padding-left:18px;font-size:14px;color:var(--muted);
  }
  .help-card li::before{
    content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
    background:linear-gradient(135deg,#6E5BFF,#35E0C9);
  }
  .help-card .tag{
    align-self:flex-start;display:inline-flex;align-items:center;
    font-family:Inter,"JetBrains Mono",monospace;
    font-size:11.5px;letter-spacing:.14em;color:var(--cyan);
    padding:5px 10px;border-radius:999px;background:rgba(53,224,201,.10);
    border:1px solid rgba(53,224,201,.22);
  }
  .help-card .more{
    margin-top:auto;font-size:14px;color:var(--violet);
    display:inline-flex;align-items:center;gap:6px;font-weight:600;
  }
  .help-card .more:hover{color:var(--cyan);}
  .help-card--feature{
    background:
      linear-gradient(180deg, rgba(110,91,255,.16), rgba(12,18,38,.75)),
      linear-gradient(180deg, rgba(16,21,51,.72), rgba(12,18,38,.6));
    border-color:var(--line-violet);
  }
  .help-card--feature img{
    width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);
    border:1px solid var(--line);
  }

  /* 阅读路径 */
  .path-wrap{position:relative;}
  .path-line{
    position:absolute;left:26px;right:26px;top:26px;height:1px;
    background:linear-gradient(90deg, rgba(110,91,255,.55), rgba(53,224,201,.5), rgba(255,138,61,.4));
    opacity:.5;
  }
  .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
  .path-step{
    padding:24px;border-radius:var(--radius-card);
    border:1px solid var(--line);background:rgba(12,18,38,.72);
    transition:transform .22s var(--ease),border-color .22s var(--ease);
  }
  .path-step:hover{transform:translateY(-4px);border-color:var(--line-violet);}
  .path-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:52px;height:52px;border-radius:16px;
    font-family:Inter,"JetBrains Mono",monospace;font-weight:600;font-size:17px;
    color:#06070F;background:linear-gradient(135deg,#6E5BFF,#35E0C9);
    box-shadow:0 0 0 6px rgba(10,14,31,.9), 0 0 0 7px rgba(110,91,255,.28);
    margin-bottom:18px;
  }
  .path-step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
  .path-step p{font-size:14px;color:var(--muted);line-height:1.75;}

  /* 注意事项提示条 */
  .note-bar{
    display:flex;gap:16px;align-items:flex-start;
    padding:22px 26px;border-radius:var(--radius-card);
    border:1px solid rgba(255,138,61,.28);
    background:rgba(255,138,61,.07);
  }
  .note-bar .note-icon{
    flex:0 0 auto;width:34px;height:34px;border-radius:10px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,138,61,.16);color:var(--orange);
  }
  .note-bar h3{font-size:16px;margin-bottom:6px;}
  .note-bar p{font-size:14.5px;color:var(--muted);}

  /* FAQ */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    border:1px solid var(--line);border-radius:16px;
    background:rgba(16,21,51,.5);overflow:hidden;
    transition:border-color .22s var(--ease), background .22s var(--ease);
  }
  .faq-item:hover{border-color:var(--line-violet);}
  .faq-item.is-open{border-color:rgba(110,91,255,.42);background:rgba(16,21,51,.72);}
  .faq-q{
    position:relative;width:100%;min-height:44px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px 18px 24px;
    background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--text);
  }
  .faq-q::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:1px;
    background:linear-gradient(180deg,#6E5BFF,#35E0C9);
    transition:width .22s var(--ease);
  }
  .faq-item.is-open .faq-q::before{width:3px;}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:8px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);color:var(--muted);
    transition:transform .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
  }
  .faq-item.is-open .faq-icon{
    transform:rotate(45deg);color:var(--cyan);border-color:rgba(53,224,201,.4);
  }
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-a p{padding:0 24px 20px 24px;font-size:15.5px;line-height:1.8;color:var(--muted);}
  .faq-item.is-open .faq-a{max-height:460px;}

  /* 联系表单 */
  .contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:28px;align-items:start;}
  .contact-info{padding:30px;border-radius:var(--radius-card);border:1px solid var(--line);background:rgba(12,18,38,.66);}
  .contact-info h3{font-size:20px;margin-bottom:12px;}
  .contact-info p{font-size:14.5px;color:var(--muted);}
  .info-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
  .info-list li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);}
  .info-list .k{
    flex:0 0 88px;color:var(--weak);font-size:13px;letter-spacing:.06em;
  }
  .info-list .v{color:var(--text);font-family:Inter,"JetBrains Mono",monospace;font-size:13.5px;letter-spacing:.03em;}

  .form-card{
    padding:30px;border-radius:var(--radius-card);
    border:1px solid var(--line-violet);
    background:linear-gradient(180deg, rgba(16,21,51,.8), rgba(12,18,38,.7));
    box-shadow:var(--shadow-card);
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
  .field label{font-size:13px;color:var(--muted);letter-spacing:.04em;}
  .field input,.field select,.field textarea{
    width:100%;min-height:46px;padding:12px 14px;
    background:var(--panel-2);border:1px solid var(--line);
    border-radius:var(--radius-btn);color:var(--text);font-size:15px;
    font-family:inherit;line-height:1.6;
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  }
  .field textarea{min-height:132px;resize:vertical;}
  .field input::placeholder,.field textarea::placeholder{color:var(--weak);}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--cyan);
    box-shadow:0 0 0 4px rgba(53,224,201,.18);
    background:#0B1024;
  }
  .field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6C7590 50%),linear-gradient(135deg,#6C7590 50%,transparent 50%);background-position:calc(100% - 20px) 21px, calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
  .form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px;}
  .form-foot span{font-size:13px;color:var(--weak);}

  /* CTA 收口 */
  .cta-band{padding:0 0 96px;}
  .cta-card{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
    padding:40px;border-radius:22px;
    border:1px solid var(--line-violet);
    background:
      radial-gradient(circle at 88% 12%, rgba(53,224,201,.16), transparent 46%),
      radial-gradient(circle at 4% 92%, rgba(110,91,255,.22), transparent 52%),
      linear-gradient(180deg, rgba(16,21,51,.9), rgba(10,14,31,.9));
    box-shadow:var(--shadow-card);
  }
  .cta-card h2{font-size:28px;line-height:1.3;margin-top:14px;max-width:640px;}
  .cta-card p{margin-top:12px;font-size:15px;color:var(--muted);max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--bg-deep);
    border-top:1px solid var(--line);
    padding:64px 0 0;
  }
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
    padding-bottom:44px;
  }
  .footer-brand .brand{margin-bottom:18px;padding-left:0;}
  .footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:360px;}
  .footer-col h3{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:var(--muted);}
  .footer-col a:hover{color:var(--cyan);}
  .footer-col address{font-size:13.5px;color:var(--muted);line-height:2;font-family:Inter,"JetBrains Mono",monospace;letter-spacing:.02em;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
    padding:20px 0 26px;border-top:1px solid var(--line);
    font-family:Inter,"JetBrains Mono",monospace;font-size:12.5px;letter-spacing:.03em;color:var(--weak);
  }
  .fb-links{display:flex;flex-wrap:wrap;gap:18px;}
  .fb-links a{color:var(--weak);}
  .fb-links a:hover{color:var(--cyan);}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .container{padding:0 28px;}
    .page-hero h1{font-size:36px;}
    .section-head h2{font-size:28px;}
    .path-grid{grid-template-columns:repeat(2,1fr);}
    .path-line{display:none;}
  }
  @media (max-width:1023px){
    .nav-link{display:none;}
    .icon-only{display:inline-flex;}
    .contact-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
    .section{padding:76px 0;}
    .cta-card h2{font-size:24px;}
  }
  @media (max-width:767px){
    .container{padding:0 18px;}
    .nav-wrap{height:64px;}
    .nav-drawer{inset:64px 0 0 0;}
    .brand-name{font-size:16px;}
    .brand-mark{width:34px;height:34px;}
    .page-hero{padding:36px 0 34px;}
    .page-hero h1{font-size:30px;}
    .page-hero .lead{font-size:15px;}
    .section{padding:56px 0;}
    .section--tight{padding:52px 0;}
    .section-head{margin-bottom:28px;}
    .section-head h2{font-size:24px;}
    .path-grid{grid-template-columns:1fr;gap:16px;}
    .form-row{grid-template-columns:1fr;}
    .cta-band{padding-bottom:56px;}
    .cta-card{padding:28px 22px;}
    .cta-card h2{font-size:21px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
    .faq-q{font-size:15.5px;padding:16px 18px 16px 20px;}
    .faq-a p{padding:0 20px 18px 20px;font-size:15px;}
    .help-card{padding:22px;}
  }
  @media (max-width:519px){
    .hero-actions .btn,.cta-actions .btn{width:100%;}
    .page-hero h1{font-size:27px;line-height:1.25;}
    .info-list .k{flex-basis:72px;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category2 */
:root{
  --ink:#06070F;
  --base:#0A0E1F;
  --panel:#101533;
  --panel-2:#0C1226;
  --line:rgba(255,255,255,.08);
  --line-glass:rgba(110,91,255,.22);
  --violet:#6E5BFF;
  --teal:#35E0C9;
  --orange:#FF8A3D;
  --text:#EEF1FF;
  --muted:#A7AFC9;
  --faint:#6C7590;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 40px -24px rgba(0,0,0,.85);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--base);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-radius:16px;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,dl,dd{margin:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}

.site-header .container,
main .container,
.site-footer .container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:40px;
  padding-right:40px;
}

/* ===== 星空装饰层 ===== */
.star-field{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 560px at 10% -8%, rgba(110,91,255,.20), transparent 66%),
    radial-gradient(760px 500px at 94% 6%, rgba(53,224,201,.12), transparent 64%),
    #0A0E1F;
}
.star-field::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><g fill='%23EEF1FF' fill-opacity='0.30'><circle cx='18' cy='26' r='1'/><circle cx='74' cy='58' r='.8'/><circle cx='132' cy='22' r='1.1'/><circle cx='196' cy='70' r='.7'/><circle cx='232' cy='34' r='1'/><circle cx='46' cy='118' r='.8'/><circle cx='108' cy='146' r='1'/><circle cx='168' cy='112' r='.7'/><circle cx='222' cy='158' r='.9'/><circle cx='26' cy='196' r='1'/><circle cx='88' cy='232' r='.8'/><circle cx='152' cy='204' r='1'/><circle cx='210' cy='236' r='.7'/></g></svg>");
  background-size:260px 260px;
}
main{position:relative;z-index:1;}
.site-footer{position:relative;z-index:1;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(10,14,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-slot{display:flex;align-items:center;gap:6px;min-width:0;}
.nav-slot--left{justify-content:flex-start;}
.nav-slot--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:10px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--violet),var(--teal));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}

.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;padding:4px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet),var(--teal));
  box-shadow:0 0 0 1px rgba(110,91,255,.35), 0 10px 26px -14px rgba(110,91,255,.9);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--faint);letter-spacing:.18em;}

.icon-only{
  display:inline-grid;place-items:center;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.icon-only:hover{color:var(--teal);border-color:rgba(53,224,201,.42);background:rgba(53,224,201,.08);}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--muted);
}
.menu-toggle:hover{color:var(--teal);border-color:rgba(53,224,201,.42);}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;
  left:0;right:0;top:72px;bottom:0;
  z-index:45;
  background:rgba(6,7,15,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:26px 0 40px;
  overflow-y:auto;
}
.nav-drawer[hidden]{display:none;}
.nav-drawer__inner{
  max-width:1240px;
  margin:0 auto;
  padding:0 28px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.drawer-link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 18px;
  border-radius:14px;
  font-size:17px;
  color:var(--muted);
  border:1px solid transparent;
}
.drawer-link:hover{color:var(--text);background:rgba(110,91,255,.08);}
.drawer-link.is-active{
  color:var(--text);
  border-color:var(--line-glass);
  background:rgba(16,21,51,.6);
}
.drawer-link.is-active::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--violet),var(--teal));
}
.drawer-cta{margin-top:18px;width:100%;}

/* ===== 按钮 ===== */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  color:#06070F;
  background:linear-gradient(120deg,#6E5BFF,#35E0C9);
  box-shadow:0 12px 30px -14px rgba(110,91,255,.85);
  transition:filter .2s var(--ease),box-shadow .2s var(--ease),transform .18s var(--ease);
}
.btn-primary:hover{
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(110,91,255,.5), 0 12px 32px -8px rgba(110,91,255,.65);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.4), 0 6px 16px -12px rgba(110,91,255,.6);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;
  padding:0 22px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  font-size:15px;font-weight:600;
  color:var(--text);
  background:transparent;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{border-color:rgba(53,224,201,.45);background:rgba(53,224,201,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ===== 板块通用 ===== */
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--teal);
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:linear-gradient(90deg,var(--violet),var(--teal));
}
.section-title{
  font-size:32px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.005em;
  max-width:26ch;
}
.section-link{
  font-size:14px;
  color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.section-link:hover{color:var(--teal);border-color:rgba(53,224,201,.5);}

/* ===== 页头矮版 ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  min-height:320px;
  padding:72px 0 64px;
  background-image:
    linear-gradient(180deg, rgba(10,14,31,.52), rgba(10,14,31,.94)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;
  top:16%;left:-14%;
  width:170px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,transparent,rgba(238,241,255,.85),transparent);
  opacity:0;
  transform:rotate(18deg);
  animation:meteor 2.5s linear infinite;
  pointer-events:none;
}
@keyframes meteor{
  0%{transform:translate3d(0,0,0) rotate(18deg);opacity:0;}
  12%{opacity:.85;}
  72%{opacity:.5;}
  100%{transform:translate3d(660px,215px,0) rotate(18deg);opacity:0;}
}
.breadcrumb{font-size:13px;color:var(--faint);letter-spacing:.02em;margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{margin:0 8px;}
.breadcrumb .current{color:var(--teal);}
.page-hero h1{
  font-size:40px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:24ch;
}
.page-hero .lead{
  margin-top:16px;
  font-size:16.5px;
  color:var(--muted);
  max-width:60ch;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;
  border-radius:999px;
  border:1px solid var(--line-glass);
  background:rgba(16,21,51,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  font-size:13px;
  color:var(--muted);
}
.chip b{font-family:var(--font-mono);font-weight:600;color:var(--text);letter-spacing:.03em;}

/* ===== 票券式下载卡 ===== */
.ticket{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr .85fr;
  border:1px solid var(--line-glass);
  border-radius:22px;
  overflow:hidden;
  background:linear-gradient(160deg, rgba(16,21,51,.92), rgba(12,18,38,.94));
  box-shadow:var(--shadow-card);
}
.ticket::before,
.ticket::after{
  content:"";
  position:absolute;
  left:calc(61.36% - 11px);
  width:22px;height:22px;
  border-radius:50%;
  background:var(--base);
  z-index:2;
}
.ticket::before{top:-11px;}
.ticket::after{bottom:-11px;}
.ticket__main{padding:38px 36px;}
.ticket__stub{
  padding:28px;
  border-left:1px dashed rgba(110,91,255,.35);
  background:rgba(6,7,15,.45);
  display:flex;
  flex-direction:column;
  gap:20px;
}
.ticket-badge{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(110,91,255,.16);
  border:1px solid rgba(110,91,255,.3);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:#CFC9FF;
}
.ticket-title{
  margin-top:16px;
  font-size:24px;
  line-height:1.35;
  font-weight:700;
}
.ticket-desc{margin-top:14px;color:var(--muted);font-size:15px;max-width:52ch;}
.ticket-note{margin-top:16px;font-size:13px;color:var(--faint);}
.ticket__stub img{border-radius:14px;border:1px solid var(--line);}

.spec-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin:26px 0 28px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--line);
}
.spec-grid > div{background:rgba(10,14,31,.72);padding:14px 16px;}
.spec-grid dt{font-size:12px;color:var(--faint);letter-spacing:.08em;}
.spec-grid dd{
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:16px;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--text);
}
.qr-block{
  display:flex;align-items:center;gap:14px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(16,21,51,.5);
}
.qr-graphic{
  width:62px;height:62px;flex:0 0 auto;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  opacity:.85;
  background:repeating-conic-gradient(from 0deg at 50% 50%, #EEF1FF 0deg 90deg, #0A0E1F 90deg 180deg) 0 0/14px 14px;
}
.qr-text{font-size:13.5px;color:var(--muted);line-height:1.7;}
.qr-text b{display:block;font-family:var(--font-mono);font-size:13px;color:var(--text);letter-spacing:.04em;font-weight:600;}

/* 平台下载列表 */
.platform-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:28px;
}
.platform-item{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(16,21,51,.5);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.platform-item:hover{
  transform:translateY(-4px);
  border-color:rgba(110,91,255,.45);
  box-shadow:0 18px 36px -26px rgba(110,91,255,.9);
}
.p-icon{
  width:44px;height:44px;flex:0 0 auto;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(110,91,255,.14);
  color:var(--teal);
}
.p-name{font-size:15px;font-weight:600;}
.p-meta{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--faint);
  letter-spacing:.03em;
}
.p-go{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.platform-item:hover .p-go{color:var(--teal);}
.verify-line{
  margin-top:22px;
  padding:16px 20px;
  border:1px solid var(--line);
  border-left:3px solid var(--teal);
  border-radius:var(--r-md);
  background:rgba(12,18,38,.7);
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
  line-height:1.9;
}
.verify-line span{font-family:var(--font-sans);color:var(--faint);}

/* ===== 系统要求 ===== */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.req-card{
  padding:28px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:rgba(16,21,51,.5);
  box-shadow:var(--shadow-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.req-card:hover{border-color:rgba(110,91,255,.4);transform:translateY(-4px);}
.req-head{display:flex;align-items:center;gap:12px;}
.req-head h3{font-size:20px;font-weight:700;}
.req-tag{
  margin-left:auto;
  padding:4px 12px;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:#B9B3FF;
  background:rgba(110,91,255,.16);
}
.req-list{margin-top:18px;}
.req-row{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:18px;
  padding:12px 0;
  border-top:1px solid var(--line);
  font-size:14px;
}
.req-row:first-child{border-top:0;}
.req-row dt{color:var(--faint);flex:0 0 auto;}
.req-row dd{
  text-align:right;
  font-family:var(--font-mono);
  font-weight:600;
  letter-spacing:.03em;
  color:var(--text);
  font-size:13.5px;
}
.note-bar{
  margin-top:22px;
  padding:18px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(12,18,38,.7);
  color:var(--muted);
  font-size:14px;
}
.note-bar b{color:var(--text);font-weight:600;}

/* ===== 安装时间轴 ===== */
.timeline{position:relative;padding-left:68px;max-width:920px;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:14px;bottom:14px;
  width:1px;
  background:linear-gradient(180deg, rgba(110,91,255,.65), rgba(53,224,201,.35), transparent);
}
.step{
  position:relative;
  padding:22px 0;
  border-bottom:1px dashed var(--line);
}
.step:last-child{border-bottom:0;}
.step__num{
  position:absolute;
  left:-68px;top:20px;
  width:40px;height:40px;
  border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  color:#06070F;
  background:linear-gradient(135deg,#6E5BFF,#35E0C9);
  box-shadow:0 0 0 4px rgba(10,14,31,.9), 0 0 18px rgba(110,91,255,.55);
}
.step h3{font-size:19px;font-weight:700;line-height:1.5;}
.step p{margin-top:8px;color:var(--muted);font-size:14.5px;max-width:66ch;}
.step .step-meta{
  display:inline-block;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--teal);
  letter-spacing:.04em;
}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.faq{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:18px;
  min-height:44px;
  padding:18px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--teal);}
.plus{
  position:relative;
  width:22px;height:22px;flex:0 0 auto;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .2s var(--ease);
}
.plus::before,.plus::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:currentColor;
  border-radius:2px;
}
.plus::before{width:9px;height:1.5px;transform:translate(-50%,-50%);}
.plus::after{width:1.5px;height:9px;transform:translate(-50%,-50%);transition:transform .22s var(--ease);}
.faq-item.is-open .plus{border-color:rgba(53,224,201,.5);}
.faq-item.is-open .plus::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-item.is-open .faq-q{color:var(--teal);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 0 20px 18px;
  border-left:1px solid rgba(110,91,255,.45);
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}
.faq-item.is-open .faq-a p{border-image:linear-gradient(180deg,var(--violet),var(--teal)) 1;}

/* ===== CTA ===== */
.cta-band{
  border:1px solid var(--line-glass);
  border-radius:22px;
  padding:52px 40px;
  text-align:center;
  background:
    radial-gradient(520px 240px at 18% 0%, rgba(110,91,255,.22), transparent 68%),
    radial-gradient(460px 220px at 86% 100%, rgba(53,224,201,.14), transparent 70%),
    rgba(12,18,38,.85);
}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;}
.cta-band p{margin:16px auto 0;max-width:60ch;color:var(--muted);font-size:15.5px;}
.cta-band .btn-row{justify-content:center;margin-top:30px;}
.cta-foot{
  margin-top:22px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--faint);
  letter-spacing:.04em;
}

/* ===== 页脚 ===== */
.site-footer{
  background:#06070F;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{justify-self:start;}
.footer-brand p{
  margin-top:18px;
  max-width:36ch;
  color:var(--faint);
  font-size:13.5px;
  line-height:1.85;
}
.footer-col h3{
  margin-bottom:14px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--muted);}
.footer-col a:hover{color:var(--teal);}
.footer-col address{
  font-style:normal;
  font-family:var(--font-mono);
  font-size:12.8px;
  line-height:2;
  color:var(--muted);
  letter-spacing:.02em;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--faint);
  letter-spacing:.03em;
}
.fb-links{display:inline-flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:var(--muted);}
.fb-links a:hover{color:var(--teal);}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .site-header .container,
  main .container,
  .site-footer .container{padding-left:28px;padding-right:28px;}
  .nav-slot--left .nav-link,
  .nav-slot--right .nav-link{display:none;}
  .menu-toggle{display:grid;}
  .section{padding:80px 0;}
  .section--tight{padding:64px 0;}
  .ticket{grid-template-columns:1fr;}
  .ticket::before,.ticket::after{display:none;}
  .ticket__stub{border-left:0;border-top:1px dashed rgba(110,91,255,.32);}
  .req-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-hero h1{font-size:34px;}
}

@media (max-width:768px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .section-title{font-size:24px;}
  .page-hero{min-height:280px;padding:56px 0 50px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:15.5px;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .platform-grid{grid-template-columns:1fr;}
  .ticket__main{padding:28px 22px;}
  .ticket__stub{padding:22px;}
  .timeline{padding-left:58px;}
  .step__num{left:-58px;width:36px;height:36px;font-size:12px;}
  .timeline::before{left:17px;}
  .cta-band{padding:38px 24px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .site-header .container,
  main .container,
  .site-footer .container{padding-left:18px;padding-right:18px;}
  .nav-drawer__inner{padding:0 18px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:10px;letter-spacing:.14em;}
  .page-hero h1{font-size:27px;}
  .btn-row{gap:12px;}
  .btn-row .btn-primary,
  .btn-row .btn-ghost{width:100%;}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .req-card{padding:22px;}
  .req-row{flex-direction:column;gap:4px;}
  .req-row dd{text-align:left;}
  .qr-block{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .page-hero::after{display:none;}
}