/* roulang page: index */
:root{
  --brand-1:#6B3CF0;
  --brand-2:#9B4DFF;
  --accent:#FF7A45;
  --cyan:#16C8B0;
  --ink:#131024;
  --bg:#F7F6FB;
  --surface:#FFFFFF;
  --line:#ECE9F3;
  --text:#17141F;
  --text-2:#56506A;
  --text-3:#8B8598;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#6B3CF0 0%,#9B4DFF 48%,#FF7A45 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:12px;
  --r-btn:14px;
  --sh-1:0 2px 8px rgba(23,20,31,.05);
  --sh-2:0 12px 32px rgba(23,20,31,.08);
  --sh-glow:0 16px 40px rgba(107,60,240,.22);
  --ease:220ms ease;

  --bs-primary:#6B3CF0;
  --bs-primary-rgb:107,60,240;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#17141F;
  --bs-link-color:#6B3CF0;
  --bs-link-hover-color:#9B4DFF;
  --bs-border-color:#ECE9F3;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
:focus-visible{outline:3px solid rgba(107,60,240,.55);outline-offset:2px;border-radius:8px}
.num,.tabular{font-variant-numeric:tabular-nums}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.shell{max-width:1280px}}
@media (max-width:575.98px){.shell{padding:0 16px}}

.section{padding:88px 0}
@media (max-width:991.98px){.section{padding:56px 0}}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-1);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-title{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}
.section-desc{color:var(--text-2);margin:0;font-size:15.5px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ---------- 通用按钮 ---------- */
.btn-grad,.btn-line,.btn-soft,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(107,60,240,.24)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);color:#fff}
.btn-grad i{transition:transform var(--ease)}
.btn-grad:hover i{transform:translateX(4px)}
.btn-line{border:1px solid var(--line);background:#fff;color:var(--text)}
.btn-line:hover{background:rgba(107,60,240,.08);border-color:rgba(107,60,240,.28);color:var(--brand-1)}
.btn-soft{background:rgba(107,60,240,.08);color:var(--brand-1)}
.btn-soft:hover{background:rgba(107,60,240,.16)}
.btn-white{background:#fff;color:var(--brand-1);box-shadow:0 10px 26px rgba(19,16,36,.18)}
.btn-white:hover{transform:translateY(-2px);color:var(--brand-1)}
.btn-ghost-w{border:1px solid rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost-w:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px}

/* ---------- 徽章 ---------- */
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  background:rgba(107,60,240,.10);color:var(--brand-1);
}
.badge-chip.is-solid{background:var(--grad);color:#fff}
.badge-chip.is-cyan{background:rgba(22,200,176,.14);color:#0E8C7A}
.badge-chip.is-orange{background:rgba(255,122,69,.14);color:#D9541F}
.badge-chip.is-plain{background:#F1EFF9;color:var(--text-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.cmdbar{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:14px;
  box-shadow:0 6px 16px rgba(107,60,240,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-main{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.logo-sub{font-size:10px;color:var(--text-3);letter-spacing:.22em}
.main-nav{margin-left:6px}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{position:relative;display:inline-block;padding:20px 0;font-size:15px;color:var(--text-2);transition:color var(--ease)}
.main-nav a:hover{color:var(--brand-1)}
.main-nav a.is-active{color:var(--brand-1);font-weight:600}
.main-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;background:var(--grad)}
.cmd-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:230px;height:40px;
  padding:0 10px 0 12px;background:#F4F2FA;border:1px solid transparent;
  border-radius:var(--r-md);transition:var(--ease);
}
.cmd-search:focus-within{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(107,60,240,.16)}
.cmd-search i{color:var(--text-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:0;font-size:14px;color:var(--text);font-family:inherit}
.cmd-search input::placeholder{color:var(--text-3)}
.kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  color:var(--text-3);background:#E9E6F4;border-radius:6px;padding:2px 6px;flex:0 0 auto;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;
  transition:var(--ease);flex:0 0 auto;
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(107,60,240,.3);background:rgba(107,60,240,.06)}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:none;place-items:center;font-size:17px;
}
.mobile-drawer{
  position:fixed;left:0;right:0;top:56px;bottom:0;background:#fff;z-index:1030;
  padding:20px 20px 40px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.mobile-drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer nav a.is-active{color:var(--brand-1)}
.mobile-drawer .drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.mobile-drawer .drawer-cta .btn-grad,.mobile-drawer .drawer-cta .btn-line{width:100%}
body.drawer-open{overflow:hidden}
@media (max-width:991.98px){
  .cmdbar{height:56px;gap:12px}
  .main-nav,.cmd-search,.icon-btn{display:none}
  .menu-toggle{display:grid}
  .logo-main{font-size:14px}
}
@media (min-width:992px){
  .mobile-drawer{display:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(107,60,240,.94) 0%,rgba(155,77,255,.80) 46%,rgba(255,122,69,.74) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.7;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:min(72vh,640px);padding:72px 0}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 18px;color:#fff;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.92);max-width:560px;margin:0 0 28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.18);color:#fff;
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero .badge-chip{background:rgba(255,255,255,.18);color:#fff}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px;color:rgba(255,255,255,.9)}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points i{color:#FFD9C7}
.hero-card{
  background:#fff;color:var(--text);border-radius:var(--r-xl);padding:18px;
  box-shadow:0 24px 56px rgba(19,16,36,.32);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px}
.hero-card-title{font-size:17px;font-weight:700;margin:16px 0 6px}
.hero-card-text{font-size:14px;color:var(--text-2);margin:0}
.hero-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.hero-stats .badge-chip{background:rgba(107,60,240,.08);color:var(--brand-1)}
.hero-stats .badge-chip.is-cyan{background:rgba(22,200,176,.14);color:#0E8C7A}
@media (max-width:991.98px){
  .hero-inner{min-height:auto;padding:52px 0 56px}
  .hero-card{margin-top:32px}
}

/* ---------- 合集目录 ---------- */
.dir-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;position:sticky;top:88px}
@media (max-width:991.98px){.dir-panel{position:static;margin-bottom:28px}}
.dir-panel h3{font-size:20px;font-weight:700;margin:0 0 10px}
.dir-panel p{font-size:14px;color:var(--text-2);margin:0 0 18px}
.filter-row{display:flex;flex-wrap:wrap;gap:8px}
.filter-tag{
  height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:13.5px;font-weight:600;
  transition:var(--ease);
}
.filter-tag:hover{border-color:rgba(107,60,240,.3);color:var(--brand-1)}
.filter-tag.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(107,60,240,.22)}
.dir-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:767.98px){.dir-list{grid-template-columns:1fr}}
.dir-card{
  display:flex;align-items:center;gap:16px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.dir-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22)}
.dir-card.is-hidden{display:none}
.dir-num{
  font-size:22px;font-weight:800;line-height:1;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.dir-body{flex:1;min-width:0}
.dir-name{font-size:16.5px;font-weight:700;margin:0 0 4px}
.dir-desc{font-size:13.5px;color:var(--text-3);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dir-arrow{color:var(--text-3);font-size:14px;transition:transform var(--ease),color var(--ease)}
.dir-card:hover .dir-arrow{transform:translateX(4px);color:var(--brand-1)}
.dir-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}

/* ---------- 卡片 ---------- */
.feature-wide{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22)}
.feature-wide .fw-media{position:relative;min-height:280px}
.feature-wide .fw-media img{width:100%;height:100%;object-fit:cover}
.fw-body{padding:32px;display:flex;flex-direction:column;gap:14px}
.fw-body h3{font-size:clamp(20px,2vw,26px);line-height:1.35;font-weight:700;margin:0;letter-spacing:-.01em}
.fw-body p{font-size:15px;color:var(--text-2);margin:0}
.fw-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--text-3)}
@media (max-width:767.98px){
  .feature-wide{grid-template-columns:1fr}
  .feature-wide .fw-media{min-height:200px}
  .fw-body{padding:22px}
}

.story-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.story-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22)}
.story-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.story-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.story-title{
  font-size:18px;font-weight:600;line-height:1.45;margin:0;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.story-text{
  font-size:14px;color:var(--text-2);margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}
.card-foot .link-more{color:var(--brand-1);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .link-more i{transition:transform var(--ease)}
.story-card:hover .card-foot .link-more i{transform:translateX(4px)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 最新信息（CMS 列表） ---------- */
.latest-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;display:flex;flex-direction:column;gap:12px;height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22)}
.post-title{font-size:17px;font-weight:600;line-height:1.5;margin:0;letter-spacing:-.01em}
.post-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--brand-1)}
.post-excerpt{
  font-size:14px;color:var(--text-2);margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}
.post-meta .link-more{color:var(--brand-1);font-weight:600}
.empty-state{
  border:1px dashed rgba(107,60,240,.32);border-radius:var(--r-xl);
  background:rgba(107,60,240,.03);
  padding:52px 24px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:28px;color:var(--brand-1);display:block;margin-bottom:14px}
.empty-state p{margin:0 0 18px;font-size:15px}

/* ---------- 相关推荐 ---------- */
.mini-card{
  display:flex;gap:14px;align-items:center;height:100%;
  padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22)}
.mini-card img{width:56px;height:56px;border-radius:14px;object-fit:cover;flex:0 0 auto}
.mini-title{
  font-size:15px;font-weight:600;line-height:1.5;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:46px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 54px rgba(107,60,240,.24);
}
.cta-card::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;margin:0 0 10px;color:#fff}
.cta-card p{margin:0;color:rgba(255,255,255,.9);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:767.98px){
  .cta-card{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-ghost-w,.cta-actions .btn-white{flex:1 1 140px}
}

/* ---------- FAQ ---------- */
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.faq-item.is-open{border-color:rgba(107,60,240,.28);box-shadow:var(--sh-1);background:linear-gradient(90deg,rgba(107,60,240,.05),#fff 26%)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;text-align:left;font-size:17px;font-weight:600;
  color:var(--text);letter-spacing:-.01em;
}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;background:rgba(107,60,240,.1);color:var(--brand-1);
  font-size:12px;transition:transform .2s ease,color .2s ease,background-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(255,122,69,.16);color:var(--accent)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{margin:0;padding:0 22px 22px;font-size:15px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:24px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .logo-main{color:#fff}
.foot-brand .logo-sub{color:rgba(255,255,255,.45)}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0 0 16px;max-width:320px}
.foot-title{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);letter-spacing:.1em;margin:0 0 16px}
.foot-links a{display:block;padding:6px 0;font-size:14.5px;color:rgba(255,255,255,.72);transition:color var(--ease)}
.foot-links a:hover{color:#C6B2FF}
.foot-note{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;margin:0 0 10px}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

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

/* roulang page: category1 */
:root{
  --brand:#6B3CF0;
  --brand-2:#9B4DFF;
  --accent:#FF7A45;
  --cyan:#16C8B0;
  --ink:#131024;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#ECE9F3;
  --t1:#17141F;
  --t2:#56506A;
  --t3:#8B8598;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#6B3CF0 0%,#9B4DFF 48%,#FF7A45 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(23,20,31,.05);
  --sh-2:0 12px 32px rgba(23,20,31,.08);
  --sh-brand:0 16px 40px rgba(107,60,240,.22);
  --bs-primary:#6B3CF0;
  --bs-primary-rgb:107,60,240;
  --bs-body-color:#17141F;
  --bs-border-color:#ECE9F3;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{letter-spacing:-.01em;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(107,60,240,.45);outline-offset:2px;border-radius:10px;}

.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
@media (min-width:1200px){.shell{max-width:1280px;}}

/* ---------- 顶部命令栏 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow .22s ease;
}
.site-head.scrolled{box-shadow:var(--sh-2);}
.head-inner{height:64px;display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;box-shadow:0 6px 16px rgba(107,60,240,.28);flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:14.5px;font-weight:800;color:var(--t1);}
.logo-sub{font-size:11px;color:var(--t3);letter-spacing:.14em;}

.main-nav{margin-left:8px;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--t2);white-space:nowrap;
}
.main-nav a:hover{color:var(--brand);background:rgba(107,60,240,.06);}
.main-nav a.is-active{color:var(--brand);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--grad);
}

.head-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:9px;
  background:#F4F2FA;border:1px solid transparent;border-radius:12px;
  padding:8px 10px 8px 13px;min-width:250px;transition:.2s ease;
}
.nav-search i{color:var(--t3);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--t1);font-family:inherit;
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(107,60,240,.18);}
.kbd{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;color:var(--t3);
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--t2);font-size:15px;transition:.2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(107,60,240,.45);transform:translateY(-1px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;border-radius:14px;height:46px;padding:0 22px;
  font-size:15px;font-weight:700;box-shadow:0 10px 24px rgba(107,60,240,.25);
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-grad:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);color:#fff;}
.btn-grad i.fa-arrow-right{transition:transform .22s ease;}
.btn-grad:hover i.fa-arrow-right{transform:translateX(4px);}
.btn-grad.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:14px;background:#fff;border:1px solid var(--line);
  color:var(--t1);font-weight:600;font-size:15px;transition:.2s ease;
}
.btn-line:hover{border-color:rgba(107,60,240,.45);background:rgba(107,60,240,.06);color:var(--brand);}
.btn-line.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{width:18px;height:2px;border-radius:2px;background:var(--t1);transition:.2s ease;}
.nav-drawer{display:none;}
.nav-drawer.open{
  display:block;position:fixed;inset:56px 0 0 0;background:#fff;z-index:55;
  padding:24px;overflow-y:auto;animation:fadeIn .22s ease;
}
.nav-drawer a{
  display:block;padding:16px 6px;font-size:19px;font-weight:600;color:var(--t1);border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--brand);}
.nav-drawer .drawer-cta{margin-top:22px;width:100%;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,rgba(107,60,240,.12) 0%,rgba(155,77,255,.07) 45%,rgba(247,246,251,0) 100%);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.12;
}
.page-head .shell{position:relative;z-index:1;padding-top:24px;padding-bottom:52px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--t3);opacity:.6;}
.crumb .now{color:var(--t2);font-weight:700;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin:26px 0 16px;
  background:rgba(107,60,240,.1);color:var(--brand);border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:700;
}
.page-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.2;font-weight:800;max-width:900px;
}
.page-head h1 .grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.head-lead{
  margin-top:18px;font-size:17px;line-height:1.9;color:var(--t2);max-width:820px;
}
.head-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:8px 16px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--t2);box-shadow:var(--sh-1);
}
.stat-pill b{font-size:16px;color:var(--t1);font-weight:800;}
.stat-pill.stars{background:var(--grad);border-color:transparent;color:#fff;}
.stat-pill.stars b{color:#fff;}
.stat-pill i{color:var(--brand);}
.stat-pill.stars i{color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(107,60,240,.09);border-radius:999px;padding:5px 13px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(23px,2.5vw,34px);line-height:1.3;font-weight:700;}
.sec-head p{margin-top:12px;color:var(--t2);font-size:15.5px;}

/* ---------- 说明段落 ---------- */
.intro-block{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1);}
.intro-block p + p{margin-top:16px;}
.intro-block p{color:var(--t2);font-size:15.8px;line-height:1.95;}
.intro-block strong{color:var(--t1);}
.intro-note{
  margin-top:22px;display:flex;gap:12px;align-items:flex-start;
  background:rgba(22,200,176,.08);border-left:4px solid var(--cyan);border-radius:0 14px 14px 0;padding:16px 18px;
}
.intro-note i{color:var(--cyan);margin-top:4px;}
.intro-note span{font-size:14.5px;color:var(--t2);}

/* ---------- 要点卡 ---------- */
.point-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.28);}
.pc-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.pc-icon{
  width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;flex-shrink:0;
}
.pc-no{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--t3);}
.pc-title{font-size:17.5px;font-weight:700;line-height:1.45;}
.point-card p{margin-top:10px;font-size:14.6px;color:var(--t2);line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  background:rgba(107,60,240,.09);color:var(--brand);font-size:12.5px;font-weight:600;padding:5px 12px;
}
.badge-chip.cyan{background:rgba(22,200,176,.13);color:#0F9C89;}
.badge-chip.orange{background:rgba(255,122,69,.13);color:#D9561F;}

/* ---------- 侧栏摘要卡 ---------- */
.sticky-wrap{position:sticky;top:88px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.side-card .cover{width:100%;aspect-ratio:16/9;object-fit:cover;}
.side-body{padding:24px;}
.side-body h3{font-size:18px;font-weight:700;}
.side-body > p{margin-top:10px;font-size:14.3px;color:var(--t2);}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.4px;color:var(--t2);}
.check-list i{color:var(--cyan);margin-top:5px;font-size:13px;}
.side-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;}
.side-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.side-cta .btn-grad,.side-cta .btn-line{width:100%;}
.side-foot{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- 表格 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow-x:auto;box-shadow:var(--sh-1);
}
table.spec-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.6px;}
table.spec-table caption{
  text-align:left;padding:20px 24px 4px;font-size:13px;color:var(--t3);letter-spacing:.02em;
}
table.spec-table th{
  background:rgba(107,60,240,.07);color:#3A2580;font-weight:700;text-align:left;
  padding:15px 22px;font-size:14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec-table td{padding:15px 22px;color:var(--t2);border-bottom:1px solid var(--line);vertical-align:top;}
table.spec-table tbody tr:nth-child(even) td{background:#FAF9FE;}
table.spec-table tbody tr:last-child td{border-bottom:0;}
table.spec-table td:first-child{color:var(--t1);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:background-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{background:rgba(107,60,240,.045);box-shadow:inset 4px 0 0 0 var(--brand);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:19px 58px 19px 24px;font-size:16.4px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:23px;font-weight:400;color:var(--brand);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 24px 22px;color:var(--t2);font-size:15px;line-height:1.95;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
  background:var(--grad);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-brand);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.18;mix-blend-mode:overlay;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;}
.cta-band p{margin-top:12px;font-size:15.4px;color:rgba(255,255,255,.88);max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:14px;
  background:#fff;color:#4A22B8;font-weight:800;font-size:15px;transition:.22s ease;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.22);color:#4A22B8;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:14px;
  background:transparent;border:1.5px solid rgba(255,255,255,.75);color:#fff;font-weight:700;font-size:15px;transition:.22s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 26px;margin-top:84px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.foot-brand{display:flex;align-items:center;gap:10px;}
.foot-brand .logo-main{color:#fff;}
.foot-brand .logo-sub{color:rgba(255,255,255,.5);}
.foot-desc{margin:18px 0 16px;font-size:14.4px;line-height:1.9;color:rgba(255,255,255,.62);}
.site-footer .tag-row{margin-top:14px;}
.site-footer .badge-chip{background:rgba(255,255,255,.12);color:#fff;font-weight:500;}
.foot-title{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);margin-bottom:14px;letter-spacing:.04em;}
.foot-links{display:flex;flex-direction:column;}
.foot-links a{padding:5px 0;font-size:14.5px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:#C9AEFF;}
.foot-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.foot-note + .foot-note{margin-top:12px;}
.foot-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{min-width:190px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .head-tools .icon-btn{display:none;}
  .burger{display:flex;}
  .sticky-wrap{position:static;margin-top:26px;}
  .section{padding:56px 0 0;}
  .page-head .shell{padding-bottom:44px;}
  .intro-block{padding:26px;}
  .cta-band{padding:32px 26px;}
  .site-footer{padding:52px 0 24px;margin-top:64px;}
}
@media (max-width:767px){
  .head-inner{height:56px;gap:12px;}
  .head-tools .btn-grad.btn-sm{height:38px;padding:0 14px;font-size:13.5px;}
  .nav-drawer.open{inset:56px 0 0 0;}
  .page-head h1{font-size:27px;}
  .head-lead{font-size:15.6px;}
  .sec-head h2{font-size:23px;}
  .point-card{padding:20px;}
  .faq-item summary{font-size:15.6px;padding:17px 52px 17px 20px;}
  .faq-body{padding:0 20px 20px;font-size:14.4px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:520px){
  .shell{padding:0 16px;}
  .logo-main{font-size:13.5px;}
  .head-tools .btn-grad.btn-sm{display:none;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .foot-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand-1:#6B3CF0;
  --brand-2:#9B4DFF;
  --accent:#FF7A45;
  --cyan:#16C8B0;
  --ink:#131024;
  --bg:#F7F6FB;
  --surface:#FFFFFF;
  --line:#ECE9F3;
  --text:#17141F;
  --text-2:#56506A;
  --text-3:#8B8598;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#6B3CF0 0%,#9B4DFF 48%,#FF7A45 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-img:16px;
  --r-btn:14px;
  --sh-1:0 2px 8px rgba(23,20,31,.05);
  --sh-2:0 12px 32px rgba(23,20,31,.08);
  --sh-glow:0 16px 40px rgba(107,60,240,.22);
  --bs-primary:#6B3CF0;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#17141F;
  --bs-link-color:#6B3CF0;
  --bs-link-hover-color:#5B34C8;
  --bs-border-color:#ECE9F3;
}
*,*::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:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:#5B34C8;}
button{font-family:inherit;}
h1,h2,h3,h4{letter-spacing:-.01em;color:var(--text);}
.num,time,.tabular{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(107,60,240,.45);outline-offset:2px;border-radius:10px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1200px){.shell{max-width:1280px;}}
@media (max-width:575.98px){.shell{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,20,31,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand:hover{color:inherit;}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;flex-shrink:0;box-shadow:0 6px 16px rgba(107,60,240,.28);}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:16px;font-weight:800;color:var(--text);white-space:nowrap;}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.18em;}
.main-nav ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.main-nav a{position:relative;display:block;padding:9px 13px;font-size:15px;color:var(--text-2);border-radius:10px;text-decoration:none;transition:color .2s ease,background .2s ease;}
.main-nav a:hover{color:var(--brand-1);background:rgba(107,60,240,.06);}
.main-nav a.is-active{color:var(--brand-1);font-weight:600;}
.main-nav a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{display:flex;align-items:center;gap:9px;height:42px;min-width:236px;padding:0 10px 0 12px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--text-3);transition:border-color .2s ease,box-shadow .2s ease;}
.command-search input{border:0;outline:0;flex:1;min-width:0;font-size:14px;color:var(--text);background:transparent;}
.command-search input::placeholder{color:#A9A3B8;}
.command-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(107,60,240,.18);}
.kbd{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;color:var(--text-3);background:#F2F0F8;border-radius:6px;padding:2px 6px;}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);display:grid;place-items:center;font-size:15px;cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease;}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(107,60,240,.35);background:rgba(107,60,240,.06);}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);background:var(--grad);color:#fff;font-size:15px;font-weight:600;border:0;text-decoration:none;box-shadow:0 8px 20px rgba(107,60,240,.24);transition:transform .2s ease,box-shadow .2s ease,color .2s ease;}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(107,60,240,.32);}
.btn-cta i{transition:transform .2s ease;}
.btn-cta:hover i{transform:translateX(4px);}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:17px;place-items:center;cursor:pointer;}
.burger:hover{border-color:rgba(107,60,240,.35);color:var(--brand-1);}
.mobile-drawer{display:none;position:fixed;left:0;right:0;top:56px;bottom:0;background:#fff;z-index:1025;padding:20px;overflow-y:auto;}
.drawer-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;color:var(--text-3);}
.drawer-search input{border:0;outline:0;flex:1;min-width:0;font-size:16px;color:var(--text);background:transparent;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin:18px 0 24px;}
.drawer-nav a{font-size:18px;font-weight:600;color:var(--text);padding:14px 12px;border-radius:14px;}
.drawer-nav a:hover{background:rgba(107,60,240,.06);color:var(--brand-1);}

/* ---------- banner & breadcrumb ---------- */
.page-banner{position:relative;padding:34px 0 30px;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 52%,rgba(247,246,251,.78) 100%);}
.page-banner .shell{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin:0;padding:0;list-style:none;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:#C9C4D6;}
.crumb .current{color:var(--text);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{margin-top:18px;max-width:840px;}
.badge-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1.5;}
.badge-cat{background:rgba(107,60,240,.1);color:#5B34C8;}
.badge-new{background:var(--grad);color:#fff;}
.article-title{font-size:clamp(26px,3.5vw,40px);line-height:1.22;font-weight:800;margin:14px 0 14px;color:var(--text);}
.article-lead{font-size:16px;line-height:1.85;color:var(--text-2);margin:0 0 18px;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.meta-actions{display:flex;gap:10px;margin-left:auto;}

/* ---------- article layout ---------- */
.article-section{padding:44px 0 20px;}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 34px 12px;box-shadow:var(--sh-1);font-size:16.5px;line-height:1.9;color:#241F33;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;font-size:clamp(21px,2.2vw,25px);line-height:1.45;font-weight:700;margin:2.4em 0 .9em;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--grad);}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.9em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.6em 0 .6em;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body li{margin-bottom:.55em;}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;background:rgba(107,60,240,.06);border-left:4px solid var(--brand-1);border-radius:0 12px 12px 0;color:var(--text-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:.6em;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
.article-body th{background:rgba(107,60,240,.08);color:var(--text);font-weight:600;text-align:left;padding:12px 14px;border:1px solid var(--line);}
.article-body td{padding:12px 14px;border:1px solid var(--line);color:var(--text-2);}
.article-body tr:nth-child(even) td{background:#FAF9FD;}
.article-body pre{background:var(--ink);color:#E8E5F5;border-radius:var(--r-img);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.75;margin:1.6em 0;}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#F2F0F8;color:#5B34C8;border-radius:6px;padding:2px 6px;font-size:.9em;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body a{color:var(--brand-1);border-bottom:1px solid rgba(107,60,240,.3);}
.article-body a:hover{border-bottom-color:var(--brand-1);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.empty-state{border:1px dashed #D8D3E6;border-radius:var(--r-md);padding:48px 24px;text-align:center;color:var(--text-2);margin-bottom:12px;}
.empty-state i{font-size:32px;color:#BDB6D0;display:block;margin-bottom:12px;}
.empty-state p{margin:0 0 16px;font-size:15px;}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);color:var(--text);font-size:15px;font-weight:600;text-decoration:none;transition:background .2s ease,border-color .2s ease,color .2s ease;}
.btn-line:hover{background:rgba(107,60,240,.08);border-color:rgba(107,60,240,.32);color:var(--brand-1);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.55);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease,transform .2s ease;}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}

/* ---------- toc ---------- */
.toc-card{position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);}
.toc-head{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--text);margin:0 0 12px;}
.toc-head i{color:var(--brand-1);}
.toc-list{list-style:none;margin:0;padding:0;max-height:56vh;overflow:auto;}
.toc-list a{display:block;padding:7px 10px;font-size:14px;line-height:1.6;color:var(--text-2);border-left:2px solid transparent;border-radius:0 8px 8px 0;}
.toc-list a:hover{color:var(--brand-1);background:rgba(107,60,240,.06);border-left-color:var(--brand-1);}
.toc-list li.is-sub a{padding-left:22px;font-size:13px;color:var(--text-3);}
.toc-toggle{display:none;width:100%;height:48px;margin-bottom:16px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;font-weight:600;align-items:center;justify-content:center;gap:8px;cursor:pointer;}
.toc-toggle:hover{border-color:rgba(107,60,240,.32);color:var(--brand-1);}
.toc-mobile-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;margin-bottom:20px;box-shadow:var(--sh-1);}

/* ---------- tail blocks ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0;}
.tag-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;background:rgba(107,60,240,.08);color:#5B34C8;font-size:13px;text-decoration:none;transition:background .2s ease;}
.tag-pill:hover{background:rgba(107,60,240,.16);color:#4B27AE;}
.share-cta{position:relative;overflow:hidden;margin-top:30px;border-radius:var(--r-lg);padding:28px;background:var(--grad);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;box-shadow:var(--sh-glow);}
.share-cta::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);background-size:16px 16px;opacity:.5;pointer-events:none;}
.share-cta > *{position:relative;z-index:1;}
.share-cta h3{font-size:20px;font-weight:700;color:#fff;margin:0 0 6px;}
.share-cta p{margin:0;font-size:14px;color:rgba(255,255,255,.9);max-width:520px;}
.share-actions{display:flex;flex-wrap:wrap;gap:12px;}
.share-actions button{white-space:nowrap;}
.share-actions .is-done{background:rgba(255,255,255,.3);}

.sec-head{margin:0 0 22px;}
.sec-title{font-size:clamp(21px,2.2vw,27px);font-weight:700;margin:0 0 8px;}
.sec-sub{font-size:14.5px;color:var(--text-2);margin:0;}
.rel-block{margin-top:44px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;text-decoration:none;color:inherit;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,60,240,.22);color:inherit;}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;}
.rel-body h3{font-size:16.5px;font-weight:600;line-height:1.45;margin:0;}
.rel-body p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.7;}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.pn-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-img);padding:16px 18px;text-decoration:none;color:inherit;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
.pn-card:hover{border-color:rgba(107,60,240,.32);box-shadow:var(--sh-1);transform:translateY(-3px);color:inherit;}
.pn-label{font-size:12px;color:var(--text-3);letter-spacing:.08em;}
.pn-title{font-size:15px;font-weight:600;color:var(--text);margin-top:6px;line-height:1.55;}
.back-entry{margin-top:24px;display:flex;justify-content:center;}

/* ---------- faq ---------- */
.faq-section{padding:56px 0 8px;}
.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:none;}
.faq-accordion .accordion-button{position:relative;width:100%;background:#fff;border:0;padding:18px 56px 18px 20px;font-size:16px;font-weight:600;color:var(--text);box-shadow:none;text-align:left;}
.faq-accordion .accordion-button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .2s ease;}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(107,60,240,.05);color:var(--brand-1);}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{position:absolute;right:20px;top:50%;margin-top:-11px;width:auto;height:auto;background-image:none;content:"+";font-size:22px;line-height:1;color:var(--brand-1);transition:transform .2s ease;transform:none;}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-body{padding:4px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- bottom cta ---------- */
.cta-band{padding:56px 0 0;}
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:40px;background:var(--ink);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-card::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(107,60,240,.55) 0%,rgba(155,77,255,.28) 46%,rgba(255,122,69,.32) 100%);}
.cta-card > *{position:relative;z-index:1;}
.cta-card h2{color:#fff;font-size:clamp(20px,2.3vw,28px);font-weight:700;margin:0 0 10px;}
.cta-card p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{position:relative;margin-top:80px;padding:56px 0 28px;background:var(--ink);color:#B9B3CC;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{color:rgba(255,255,255,.5);}
.foot-desc{font-size:14px;line-height:1.8;color:#9C96B2;max-width:350px;margin:0 0 14px;}
.site-footer .tag-row{margin:0;}
.foot-title{font-size:14px;font-weight:600;color:rgba(255,255,255,.55);letter-spacing:.06em;margin:0 0 14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:#C9C3DA;font-size:14px;text-decoration:none;}
.foot-links a:hover{color:#C6A9FF;}
.foot-note{font-size:13.5px;line-height:1.8;color:#8B85A0;margin:0 0 10px;}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#7C7694;}

/* ---------- motion ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.fade-up{animation:fadeUp .5s ease both;}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* ---------- responsive ---------- */
@media (max-width:991.98px){
  .header-inner{height:56px;gap:12px;}
  .main-nav,.command-search,.icon-btn{display:none;}
  .burger{display:grid;}
  .mobile-drawer.open{display:block;}
  .btn-cta.header-cta{display:none;}
  .article-section{padding:32px 0 12px;}
  .toc-card{display:none;}
  .toc-toggle{display:flex;}
  .toc-mobile-panel.open{display:block;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-body{padding:26px 22px 8px;font-size:16px;}
  .share-cta,.cta-card{padding:24px;}
  .faq-section{padding:44px 0 8px;}
  .cta-band{padding:44px 0 0;}
}
@media (max-width:767.98px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .site-footer{padding:44px 0 24px;margin-top:60px;}
}
@media (max-width:575.98px){
  .rel-grid{grid-template-columns:1fr;}
  .prev-next{grid-template-columns:1fr;}
  .article-title{font-size:24px;}
  .article-meta{gap:10px 14px;}
  .meta-actions{margin-left:0;}
  .share-actions{width:100%;}
  .share-actions .btn-ghost{flex:1;}
  .cta-actions{width:100%;}
  .cta-actions .btn-cta,.cta-actions .btn-ghost{flex:1;}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand-1:#6B3CF0;
  --brand-2:#9B4DFF;
  --brand-3:#FF7A45;
  --cyan:#16C8B0;
  --ink:#131024;
  --bg:#F7F6FB;
  --surface:#FFFFFF;
  --line:#ECE9F3;
  --t1:#17141F;
  --t2:#56506A;
  --t3:#8B8598;
  --warn:#E5484D;
  --tip:#FFB020;
  --grad:linear-gradient(120deg,#6B3CF0 0%,#9B4DFF 48%,#FF7A45 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:12px;
  --r-btn:14px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(23,20,31,.05);
  --sh-2:0 12px 32px rgba(23,20,31,.08);
  --sh-glow:0 16px 40px rgba(107,60,240,.22);
  --bs-primary:#6B3CF0;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#17141F;
  --bs-link-color:#6B3CF0;
  --bs-link-hover-color:#9B4DFF;
  --bs-border-color:#ECE9F3;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-1)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(107,60,240,.45);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}

.shell{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1200px){.shell{max-width:1280px}}
@media (max-width:575.98px){.shell{padding:0 16px}}

/* ============ 顶部命令栏 ============ */
.cmdbar{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.cmdbar.is-stuck{box-shadow:0 8px 24px rgba(23,20,31,.07)}
.cmdbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  box-shadow:0 6px 16px rgba(107,60,240,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{
  font-size:15px;
  font-weight:800;
  color:var(--t1);
  letter-spacing:-.01em;
}
.logo-sub{
  font-size:11px;
  color:var(--t3);
  letter-spacing:.24em;
}

.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:inline-block;
  padding:9px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--t2);
  position:relative;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--brand-1);background:rgba(107,60,240,.06)}
.main-nav a.is-active{color:var(--brand-1);font-weight:700}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}

.cmd-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(107,60,240,.15);
}
.cmd-search i{color:var(--t3);font-size:14px}
.cmd-search input{
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--t1);
  width:160px;
}
.cmd-search input::placeholder{color:var(--t3)}
.kbd{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:11px;
  color:var(--t2);
  background:#F1EEFA;
  border-radius:6px;
  padding:2px 6px;
  white-space:nowrap;
}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all .2s ease;
}
.icon-btn:hover{
  color:var(--brand-1);
  border-color:rgba(107,60,240,.4);
  background:rgba(107,60,240,.06);
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 10px 24px rgba(107,60,240,.24);
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-cta:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-glow);
}
.btn-cta i{transition:transform .2s ease}
.btn-cta:hover i{transform:translateX(4px)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--t1);
  font-size:17px;
  align-items:center;
  justify-content:center;
}

/* ============ 页头 Hero ============ */
.hero-cat{
  position:relative;
  overflow:hidden;
  padding:44px 0 60px;
  background:linear-gradient(180deg,rgba(107,60,240,.13) 0%,rgba(107,60,240,0) 68%),#fff;
  border-bottom:1px solid var(--line);
}
.hero-cat::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.10;
  pointer-events:none;
}
.hero-cat .shell{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:#C9C3D8}
.crumb .cur{color:var(--t1);font-weight:700}

.hero-cat h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero-cat h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:16px;
  color:var(--t2);
  max-width:640px;
  margin-bottom:22px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(107,60,240,.09);
  color:var(--brand-1);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.badge-chip.cyan{background:rgba(22,200,176,.13);color:#0E8E7C}
.badge-chip.orange{background:rgba(255,122,69,.14);color:#C9531F}
.badge-chip.solid{background:var(--grad);color:#fff}

.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-glow);
  padding:16px;
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
}
.hero-card-body{padding:16px 8px 6px}
.hero-card-body h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:6px;
}
.hero-card-body p{font-size:14px;color:var(--t2);margin-bottom:12px}
.mini-list{display:flex;flex-direction:column;gap:8px}
.mini-list li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--t2);
}
.mini-list i{color:var(--cyan);font-size:13px}

/* ============ 通用板块 ============ */
.sec{padding:84px 0}
.sec.tight{padding:64px 0}
.sec.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-1);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.sec-head .eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.sec-head p{color:var(--t2);font-size:16px}

.prose p{color:var(--t2);margin-bottom:16px;max-width:760px}
.prose p:last-child{margin-bottom:0}

/* ============ 时间线 + 宽表 ============ */
.split-grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:32px;
  align-items:start;
}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";
  position:absolute;
  left:13px;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,#6B3CF0 0%,#9B4DFF 55%,rgba(255,122,69,.35) 100%);
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;
  left:-34px;
  top:2px;
  width:28px;
  height:28px;
  border-radius:50%;
  background:#fff;
  border:2px solid rgba(107,60,240,.35);
  color:var(--brand-1);
  font-size:12px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
  padding-top:2px;
}
.tl-item p{font-size:14.5px;color:var(--t2)}

.table-shell{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  width:100%;
}
.table-shell .table-title{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.table-title h3{font-size:16px;font-weight:700}
.table-title span{font-size:13px;color:var(--t3)}
.table-scroll{overflow-x:auto}
table.data-table{
  width:100%;
  min-width:560px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.data-table th{
  text-align:left;
  font-size:13px;
  font-weight:700;
  color:var(--t2);
  background:rgba(107,60,240,.06);
  padding:13px 20px;
  white-space:nowrap;
}
table.data-table td{
  padding:14px 20px;
  border-top:1px solid var(--line);
  color:var(--t2);
  vertical-align:top;
}
table.data-table tbody tr:nth-child(even){background:#FBFAFE}
table.data-table td:first-child{color:var(--t1);font-weight:600}

/* ============ 要点卡 ============ */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.point-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(107,60,240,.24);
}
.point-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:#fff;
  background:var(--grad);
  margin-bottom:16px;
}
.point-icon.cyan{background:linear-gradient(120deg,#16C8B0,#3AD6C1)}
.point-icon.orange{background:linear-gradient(120deg,#FF7A45,#FF9E6E)}
.point-icon.ink{background:linear-gradient(120deg,#131024,#3B3559)}
.point-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.point-card p{font-size:14.5px;color:var(--t2)}

/* ============ 场景条卡 ============ */
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.scene-item{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 18px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-item:hover{
  transform:translateY(-3px);
  border-color:rgba(107,60,240,.24);
  box-shadow:var(--sh-1);
}
.scene-item::before{
  content:"";
  width:4px;
  align-self:stretch;
  border-radius:4px;
  background:var(--grad);
  flex:0 0 4px;
}
.scene-item span{font-size:15px;color:var(--t1);font-weight:600}
.scene-item .tag{
  margin-left:auto;
  font-size:12px;
  color:var(--brand-1);
  background:rgba(107,60,240,.09);
  border-radius:999px;
  padding:4px 10px;
  white-space:nowrap;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:0 24px;
  transition:background .2s ease,border-color .2s ease;
  position:relative;
  overflow:hidden;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item[open]{background:rgba(107,60,240,.04);border-color:rgba(107,60,240,.2)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 44px 20px 4px;
  font-size:16.5px;
  font-weight:600;
  color:var(--t1);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:28px;
  height:28px;
  border-radius:50%;
  background:rgba(107,60,240,.1);
  color:var(--brand-1);
  font-size:18px;
  font-weight:600;
  line-height:28px;
  text-align:center;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--grad);color:#fff}
.faq-item .faq-body{
  padding:0 4px 22px;
  font-size:15px;
  color:var(--t2);
  max-width:780px;
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-glow);
}
.cta-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 2px,transparent 2px 12px);
  opacity:.6;
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  line-height:1.3;
  margin-bottom:10px;
}
.cta-card p{font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-light{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--brand-1);
  font-weight:700;
  font-size:15px;
  border:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-1);transform:translateY(-2px);box-shadow:0 14px 30px rgba(19,16,36,.25)}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.7);
  font-weight:600;
  font-size:15px;
  transition:background .2s ease,transform .2s ease;
}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  margin-top:84px;
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
  padding:64px 0 28px;
  font-size:14px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.5)}
.foot-desc{font-size:14px;color:rgba(255,255,255,.66);max-width:340px;margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.foot-title{
  font-size:14px;
  font-weight:700;
  color:rgba(255,255,255,.9);
  margin-bottom:16px;
}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:rgba(255,255,255,.66);font-size:14px}
.foot-links a:hover{color:#C9B4FF}
.foot-note{font-size:13.5px;color:rgba(255,255,255,.56);margin-bottom:10px;line-height:1.8}
.foot-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cmd-search input{width:120px}
}
@media (max-width:991.98px){
  .cmdbar-inner{height:56px;gap:12px}
  .main-nav{
    position:fixed;
    left:0;
    right:0;
    top:56px;
    bottom:0;
    background:#fff;
    padding:20px 20px 32px;
    display:none;
    flex-direction:column;
    justify-content:flex-start;
    overflow-y:auto;
    border-top:1px solid var(--line);
    z-index:90;
  }
  .main-nav.is-open{display:flex}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{font-size:19px;padding:15px 14px;border-radius:14px}
  .main-nav a.is-active::after{left:14px;right:auto;width:34px}
  .cmd-search{display:none}
  .nav-toggle{display:inline-flex}
  .split-grid{grid-template-columns:1fr;gap:36px}
  .sec{padding:56px 0}
  .sec.tight{padding:48px 0}
  .cta-card{flex-direction:column;align-items:flex-start;padding:32px}
  .site-footer{margin-top:56px;padding:48px 0 24px}
}
@media (max-width:767.98px){
  .point-grid{grid-template-columns:1fr}
  .scene-list{grid-template-columns:1fr}
  .hero-cat{padding:32px 0 44px}
  .hero-card{box-shadow:var(--sh-2)}
}
@media (max-width:575.98px){
  .logo-main{font-size:14px}
  .btn-cta{padding:0 16px;height:42px;font-size:14px}
  .icon-btn{width:38px;height:38px}
  .cta-card{padding:26px 20px}
  .point-card{padding:22px}
  .faq-item{padding:0 18px}
  .table-title{padding:16px 16px}
  table.data-table th,table.data-table td{padding:12px 14px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}