/* roulang page: index */
:root{
  --ink-900:#08090E;
  --ink-800:#0F1117;
  --ink-700:#171A22;
  --line:rgba(255,255,255,.08);
  --gold:#E6B85C;
  --gold-soft:#F2D89A;
  --aurora:#58C8C0;
  --sand:#F6F3EC;
  --text-hi:#F2F4F8;
  --text-mid:#A7AEBB;
  --text-low:#6E7480;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r-s:4px;
  --r-m:6px;
  --r-l:12px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Inter","Helvetica Neue",Arial,sans-serif;
  --shadow-soft:0 1px 2px rgba(10,11,16,.05);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink-900);color:var(--text-hi);
  font-family:var(--font-sans);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,button{font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(230,184,92,.3);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(8,9,14,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.header-top{display:flex;align-items:center;gap:24px;min-height:72px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:6px 0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border:1px solid rgba(230,184,92,.4);border-radius:8px;background:rgba(230,184,92,.06)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text-hi)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--gold);text-transform:uppercase}
.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  width:100%;max-width:480px;height:44px;padding:0 14px 0 40px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.nav-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 2px rgba(230,184,92,.18)}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--text-low)}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;color:var(--text-hi);
  font-size:14px;height:100%;outline:none;
}
.nav-search input::placeholder{color:var(--text-low);font-size:13px}
.kbd{
  flex:0 0 auto;font-family:var(--font-num);font-size:11px;letter-spacing:.05em;
  color:var(--text-low);border:1px solid var(--line);border-radius:4px;padding:2px 6px;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-mid);padding:6px 0;
  transition:color .15s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text-hi)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--gold)}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:6px;
  background:rgba(255,255,255,.03);color:var(--text-hi);cursor:pointer;
  align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:1.5px;background:currentColor;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(8,9,14,.98);
  backdrop-filter:blur(6px);padding:20px;display:flex;flex-direction:column;gap:8px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.nav-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-brand{font-size:15px;font-weight:700}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:6px;
  background:transparent;color:var(--text-hi);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 4px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-hi);
}
.drawer-links a span{color:var(--text-low);font-size:13px}
.drawer-links a.is-active{color:var(--gold)}

@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:inline-flex}
}
@media (max-width:767px){
  .header-top{gap:12px;padding-top:10px;padding-bottom:12px;min-height:0}
  .nav-search{order:3;max-width:100%;height:42px}
  .header-actions{margin-left:auto}
  .kbd{display:none}
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:13.5px}
.btn-primary{background:var(--gold);color:#08090E}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text-hi)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn-ghost:active{transform:translateY(1px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:999px;font-size:12px;line-height:1;
  border:1px solid var(--line);color:var(--text-mid);
  transition:border-color .15s var(--ease),color .15s var(--ease);
}
.badge-gold{border-color:rgba(230,184,92,.4);color:var(--gold);background:rgba(230,184,92,.07)}
.badge-aurora{border-color:rgba(88,200,192,.35);color:var(--aurora);background:rgba(88,200,192,.06)}

/* ============ Hero ============ */
.hero{
  position:relative;display:flex;align-items:center;
  min-height:640px;padding:140px 0 96px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(8,9,14,.55),rgba(8,9,14,1)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.starfield{
  position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.2px 1.2px at 28% 68%,rgba(255,255,255,.3),transparent 60%),
    radial-gradient(1.6px 1.6px at 46% 34%,rgba(242,216,154,.4),transparent 60%),
    radial-gradient(1.1px 1.1px at 62% 78%,rgba(255,255,255,.26),transparent 60%),
    radial-gradient(1.4px 1.4px at 78% 26%,rgba(255,255,255,.34),transparent 60%),
    radial-gradient(1.2px 1.2px at 88% 62%,rgba(242,216,154,.32),transparent 60%),
    radial-gradient(1px 1px at 36% 12%,rgba(255,255,255,.22),transparent 60%),
    radial-gradient(1px 1px at 70% 50%,rgba(255,255,255,.18),transparent 60%);
  animation:starBreath 3s ease-in-out infinite;
}
@keyframes starBreath{0%,100%{opacity:.55}50%{opacity:.95}}
.hero-orbit{position:absolute;right:-6%;top:12%;width:520px;max-width:70vw;opacity:.22;pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero h1{
  margin:22px 0 20px;font-size:40px;font-weight:800;letter-spacing:-.02em;
  line-height:1.12;color:var(--text-hi);
}
.hero-sub{max-width:46ch;font-size:17px;line-height:1.9;color:var(--text-mid)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.scroll-hint{
  position:absolute;right:40px;bottom:34px;z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:13px;color:var(--text-low);letter-spacing:.16em;writing-mode:vertical-rl;
}
.scroll-hint i{display:block;width:1px;height:64px;background:linear-gradient(180deg,rgba(230,184,92,.7),transparent)}
@media (min-width:768px){
  .hero{min-height:720px;padding:160px 0 120px}
  .hero h1{font-size:60px}
}
@media (min-width:1280px){
  .hero h1{font-size:76px}
}
@media (max-width:767px){
  .scroll-hint{display:none}
  .hero h1{font-size:34px}
}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
@media (min-width:1280px){.section{padding:120px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
@media (min-width:768px){.section-head h2{font-size:32px}}
.section-head p{max-width:56ch;color:var(--text-mid);font-size:15px;margin-top:12px}
.eyebrow{font-size:12px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase}
.text-link{font-size:14px;color:var(--gold);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid rgba(230,184,92,.35);padding-bottom:2px;transition:color .15s var(--ease),border-color .15s var(--ease)}
.text-link:hover{color:var(--gold-soft);border-color:var(--gold-soft)}
.hairline{height:1px;background:var(--line)}

/* 流程行 */
.flow-row{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:40px 0;border-top:1px solid var(--line);
}
.flow-row:first-child{border-top:0;padding-top:0}
.flow-num{
  font-family:var(--font-num);font-size:56px;font-weight:700;font-style:italic;line-height:1;
  color:rgba(230,184,92,.12);
  -webkit-text-stroke:1px rgba(230,184,92,.45);
  letter-spacing:-.03em;
}
.flow-body h3{font-size:22px;font-weight:700;margin:10px 0 12px}
@media (min-width:768px){
  .flow-body h3{font-size:24px}
}
.flow-body p{color:var(--text-mid);font-size:15px;line-height:1.9}
.flow-media{margin-top:22px}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-l);border:1px solid var(--line)}
@media (min-width:1024px){
  .flow-row{grid-template-columns:1fr 1fr;gap:64px;padding:56px 0}
  .flow-row:nth-child(even) .flow-text{order:2}
  .flow-row:nth-child(even) .flow-media{margin-top:0;order:1}
  .flow-media{margin-top:0}
}

/* 亮点卡片 */
.benefit-grid{display:grid;grid-template-columns:1fr;gap:20px}
.benefit-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  background:var(--ink-800);transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.benefit-card:hover{transform:translateY(-4px);border-color:rgba(230,184,92,.35)}
.benefit-card .thumb{position:relative;overflow:hidden}
.benefit-card .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.benefit-card:hover .thumb img{transform:scale(1.03)}
.benefit-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,9,14,.1),rgba(8,9,14,.85))}
.benefit-card .thumb h3{
  position:absolute;left:20px;bottom:16px;z-index:2;font-size:19px;font-weight:700;color:#fff;
}
.benefit-card .body{padding:18px 20px 22px}
.benefit-card .body p{font-size:14px;line-height:1.85;color:var(--text-mid)}
.benefit-card .body .badge{margin-top:14px}
@media (min-width:768px){.benefit-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){
  .benefit-grid{grid-template-columns:repeat(12,1fr)}
  .benefit-card.wide{grid-column:span 6}
  .benefit-card.slim{grid-column:span 3}
  .benefit-card.wide .thumb img{aspect-ratio:16/10}
  .benefit-card.slim .thumb img{aspect-ratio:1/1}
}

/* 进度节点 */
.progress-panel{
  border:1px solid var(--line);border-radius:var(--r-l);background:var(--ink-800);
  padding:32px 24px;
}
@media (min-width:768px){.progress-panel{padding:44px 40px}}
.track{position:relative;height:4px;border-radius:999px;background:var(--ink-700);margin:28px 0 0}
.track-fill{position:absolute;inset:0 auto 0 0;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--aurora))}
.nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:-8px}
.node{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.node i{
  width:10px;height:10px;border-radius:50%;background:var(--ink-900);
  border:1px solid rgba(255,255,255,.25);
}
.node.done i{background:var(--gold);border-color:var(--gold)}
.node.current i{width:12px;height:12px;background:var(--gold);border-color:var(--gold);box-shadow:0 0 0 6px rgba(230,184,92,.16)}
.node span{font-size:12.5px;color:var(--text-mid);line-height:1.6}
.node.current span{color:var(--text-hi)}
.stats{display:grid;grid-template-columns:1fr;gap:20px;margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}
@media (min-width:640px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat b{
  display:block;font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1;
  color:var(--text-hi);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat b em{font-style:normal;font-size:18px;color:var(--gold);margin-left:4px}
.stat p{font-size:13px;color:var(--text-low);margin-top:10px}

/* CTA 条 */
.cta-band{
  position:relative;padding:64px 0;text-align:center;
  background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(230,184,92,.75),transparent);
}
.cta-band h2{font-size:26px;font-weight:700;letter-spacing:-.01em}
@media (min-width:768px){.cta-band h2{font-size:32px}}
.cta-band p{max-width:52ch;margin:16px auto 0;font-size:15px;color:var(--text-mid)}
.cta-band .btn{margin-top:28px}
.cta-note{font-size:13px;color:var(--text-low);margin-top:16px}

/* 最新信息 */
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 12px;border-bottom:1px solid var(--line);min-height:88px;
  transition:background .16s var(--ease);
}
.news-row:hover{background:var(--ink-800)}
.news-row:hover .news-title{color:var(--gold)}
.news-thumb{
  flex:0 0 96px;width:96px;height:64px;border-radius:8px;overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-main{min-width:0;flex:1}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--text-hi);
  display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  transition:color .16s var(--ease);
}
.news-sum{
  margin-top:6px;font-size:14px;line-height:1.75;color:var(--text-mid);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:12px;margin-top:10px;
  font-size:13px;color:var(--text-low);font-family:var(--font-num);
}
.news-meta .news-cat{
  font-family:var(--font-sans);font-size:12px;color:var(--text-mid);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}
@media (min-width:1024px){
  .news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
}
.empty-state{
  padding:56px 20px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-l);
  background:var(--ink-800);
}
.empty-state svg{width:32px;height:32px;stroke:var(--text-low);margin:0 auto 14px}
.empty-state p{font-size:14px;color:var(--text-mid)}
.empty-state .btn{margin-top:20px}

/* FAQ */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;background:transparent;border:0;color:var(--text-hi);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;
  transition:color .15s var(--ease),padding-left .18s var(--ease);
}
.faq-q:hover{color:var(--gold-soft)}
.faq-item.open .faq-q{color:var(--gold);padding-left:16px}
.faq-item.open::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;background:var(--gold)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .15s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-mid);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:50%;height:1.5px;transform:translateY(-50%)}
.faq-icon::after{top:0;bottom:0;left:50%;width:1.5px;transform:translateX(-50%)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s var(--ease),padding .25s var(--ease);
}
.faq-item.open .faq-a{max-height:420px;padding:0 0 24px 16px}
.faq-a p{font-size:15px;line-height:1.9;color:var(--text-mid)}

/* 页脚 */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col h3{font-size:13px;letter-spacing:.16em;color:var(--text-low);font-weight:600;margin-bottom:16px}
.footer-col p{font-size:13px;line-height:1.9;color:var(--text-mid)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-mid);transition:color .15s var(--ease)}
.footer-col ul a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-low);
}
.footer-bottom a:hover{color:var(--gold)}

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

/* roulang page: category1 */
:root{
  --ink-900:#08090E;
  --ink-800:#0F1117;
  --ink-700:#171A22;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --gold:#E6B85C;
  --gold-soft:#F2D89A;
  --gold-dim:rgba(230,184,92,.35);
  --aurora:#58C8C0;
  --sand:#F6F3EC;
  --text-hi:#F2F4F8;
  --text-mid:#A7AEBB;
  --text-low:#6E7480;
  --r-xs:4px;
  --r-btn:6px;
  --r-card:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(230,184,92,.3);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:3px}

body .container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:20px;
}
@media(min-width:768px){body .container{padding-inline:32px}}
@media(min-width:1280px){body .container{padding-inline:40px}}

/* 星点装饰层 */
.star-field{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:.55;
  background-image:
    radial-gradient(1.6px 1.6px at 6% 14%, rgba(255,255,255,.42) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 17% 42%, rgba(255,255,255,.28) 50%, transparent 51%),
    radial-gradient(1.8px 1.8px at 28% 8%, rgba(230,184,92,.45) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 38% 66%, rgba(255,255,255,.24) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 47% 24%, rgba(255,255,255,.34) 50%, transparent 51%),
    radial-gradient(1.1px 1.1px at 58% 78%, rgba(255,255,255,.22) 50%, transparent 51%),
    radial-gradient(1.7px 1.7px at 68% 36%, rgba(242,216,154,.4) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 76% 62%, rgba(255,255,255,.26) 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 86% 18%, rgba(255,255,255,.3) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 93% 74%, rgba(255,255,255,.22) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 12% 86%, rgba(255,255,255,.3) 50%, transparent 51%),
    radial-gradient(1.1px 1.1px at 63% 92%, rgba(230,184,92,.3) 50%, transparent 51%);
  background-repeat:no-repeat;
  animation:starBreath 3s ease-in-out infinite;
}
@keyframes starBreath{0%,100%{opacity:.4}50%{opacity:.62}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),backdrop-filter .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,14,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:50%;
  background:rgba(255,255,255,.03);
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--text-low);letter-spacing:.14em}

.nav-search{
  position:relative;flex:1 1 auto;max-width:500px;margin:0 auto;
}
.nav-search .s-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--text-low);pointer-events:none;display:flex;
}
.nav-search input{
  width:100%;height:44px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  padding:0 72px 0 44px;
  font-size:13.5px;color:var(--text-hi);
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease),background .15s var(--ease);
}
.nav-search input::placeholder{color:var(--text-low)}
.nav-search input:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(230,184,92,.18);
  background:rgba(255,255,255,.06);
}
.nav-search .kbd{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:11px;letter-spacing:.06em;
  color:var(--text-low);border:1px solid var(--line);
  border-radius:999px;padding:2px 8px;background:rgba(255,255,255,.02);
}

.header-right{display:flex;align-items:center;gap:22px;flex:0 0 auto;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-mid);
  padding:6px 0;transition:color .15s var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text-hi)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
.nav-links a.active{color:var(--gold)}
.nav-links a.active::after{transform:scaleX(1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .15s var(--ease),background .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease);
}
.btn-primary{background:var(--gold);color:#08090E}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--text-hi);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 30px;font-size:15px}

.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--gold)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(8,9,14,.98);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:20px;
  overflow-y:auto;
}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);cursor:pointer;
  display:grid;place-items:center;
}
.drawer-close:hover{border-color:var(--gold)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:15px;color:var(--text-mid);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--gold)}
.drawer-link.active{color:var(--gold)}
.drawer-cta{margin-top:24px;width:100%}

/* 分类页首屏 */
.page-hero{
  position:relative;
  padding:112px 0 56px;
  background:
    linear-gradient(180deg,rgba(8,9,14,.72) 0%,rgba(8,9,14,.9) 58%,rgba(8,9,14,1) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-mid);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-mid);transition:color .15s var(--ease)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span.sep{color:var(--text-low)}
.breadcrumb .current{color:var(--text-hi)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--gold);
  border:1px solid rgba(230,184,92,.4);border-radius:999px;
  padding:5px 12px;margin-bottom:18px;
}
.page-hero h1{
  font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.15;
  max-width:20ch;
}
@media(min-width:768px){.page-hero h1{font-size:40px}}
@media(min-width:1280px){.page-hero h1{font-size:44px}}
.page-hero .lead{
  margin-top:16px;max-width:62ch;
  font-size:14px;line-height:1.9;color:var(--text-mid);
}
.hero-search{
  position:relative;margin-top:28px;max-width:760px;
}
.hero-search .s-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--text-low);display:flex;pointer-events:none;
}
.hero-search input{
  width:100%;height:48px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:0 24px 0 48px;font-size:14px;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease),background .15s var(--ease);
}
.hero-search input::placeholder{color:var(--text-low)}
.hero-search input:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(230,184,92,.18);
  background:rgba(255,255,255,.06);
}

/* 主体：目录 + 内容 */
.main-wrap{padding:64px 0 80px;position:relative;z-index:1}
.layout{display:grid;grid-template-columns:1fr;gap:48px}
@media(min-width:1024px){
  .layout{grid-template-columns:3fr 9fr;gap:56px}
}

.toc{display:none}
@media(min-width:1024px){.toc{display:block}}
.toc-inner{position:sticky;top:104px}
.toc h2{
  font-size:12px;letter-spacing:.16em;color:var(--text-low);
  font-weight:600;margin-bottom:16px;
}
.toc ol{list-style:none;counter-reset:toc}
.toc li{margin-bottom:2px}
.toc a{
  position:relative;display:block;padding:8px 0 8px 16px;
  font-size:13.5px;color:var(--text-mid);
  border-left:1px solid var(--line);
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.toc a:hover{color:var(--text-hi)}
.toc a.is-current{color:var(--gold);border-left-color:var(--gold)}
.toc-note{
  margin-top:24px;padding:16px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--ink-800);font-size:12.5px;line-height:1.8;color:var(--text-low);
}
.toc-note strong{display:block;color:var(--text-hi);font-size:13px;margin-bottom:6px}

.content{min-width:0}
.section-head{margin-bottom:28px}
.section-head h2{
  font-size:22px;font-weight:700;letter-spacing:-.01em;
}
@media(min-width:768px){.section-head h2{font-size:24px}}
.section-head p{margin-top:10px;font-size:14px;color:var(--text-mid);max-width:64ch}

/* 编号小节 */
.step-block{
  display:grid;grid-template-columns:1fr;gap:24px;
  align-items:center;
  padding:40px 0;
  border-top:1px solid var(--line);
  scroll-margin-top:104px;
}
.step-block:first-of-type{border-top:none;padding-top:8px}
@media(min-width:768px){
  .step-block{grid-template-columns:1fr 1fr;gap:40px;padding:48px 0}
}
.step-block.rev .step-media{order:1}
@media(min-width:768px){
  .step-block.rev .step-media{order:2}
}
.step-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--ink-700);
  transition:border-color .18s var(--ease);
}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.step-block:hover .step-media{border-color:var(--gold-dim)}
.step-block:hover .step-media img{transform:scale(1.03)}
.step-num{
  display:block;
  font-family:var(--font-num);font-style:italic;font-weight:700;
  font-size:44px;line-height:1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1px rgba(230,184,92,.55);
  margin-bottom:14px;
}
@media(min-width:768px){.step-num{font-size:56px}}
.step-body h3{font-size:21px;font-weight:700;margin-bottom:12px}
@media(min-width:768px){.step-body h3{font-size:24px}}
.step-body p{font-size:15px;line-height:1.95;color:var(--text-mid);margin-bottom:12px}
.step-body p:last-of-type{margin-bottom:16px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--gold);
  border-bottom:1px solid rgba(230,184,92,.35);
  padding-bottom:2px;
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.text-link:hover{color:var(--gold-soft);border-color:var(--gold-soft)}
.text-link svg{transition:transform .15s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* 核对清单 */
.check-panel{
  margin-top:72px;padding:32px 24px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--ink-800);
}
@media(min-width:768px){.check-panel{padding:40px 36px}}
.check-panel h2{font-size:20px;font-weight:700;margin-bottom:8px}
@media(min-width:768px){.check-panel h2{font-size:24px}}
.check-panel > p{font-size:14px;color:var(--text-mid);max-width:62ch;margin-bottom:24px}
.check-list{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:768px){.check-list{grid-template-columns:1fr 1fr;gap:16px 32px}}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14px;line-height:1.8;color:var(--text-hi);
}
.check-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  background:var(--gold);border-radius:1px;
  box-shadow:0 0 8px rgba(230,184,92,.5);
}
.check-list li em{display:block;font-style:normal;font-size:13px;color:var(--text-low);margin-top:2px}

/* 设备提示两栏 */
.device-row{
  margin-top:72px;
  display:grid;grid-template-columns:1fr;gap:24px;
  padding:32px 24px;border:1px solid var(--line);border-radius:var(--r-card);
  background:
    linear-gradient(135deg,rgba(230,184,92,.07),rgba(88,200,192,.05) 60%,rgba(8,9,14,0) 100%),
    var(--ink-800);
}
@media(min-width:768px){
  .device-row{grid-template-columns:.85fr 1.15fr;gap:36px;padding:40px 36px;align-items:center}
}
.device-row h2{font-size:20px;font-weight:700;margin-bottom:12px}
@media(min-width:768px){.device-row h2{font-size:23px}}
.device-row p{font-size:14.5px;line-height:1.9;color:var(--text-mid)}
.device-list{display:grid;gap:12px}
.device-list li{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding:12px 0;border-bottom:1px solid var(--line);
  font-size:14px;
}
.device-list li:last-child{border-bottom:none}
.device-list span:first-child{color:var(--text-hi);font-weight:600}
.device-list span:last-child{color:var(--text-low);font-size:13px;font-family:var(--font-num)}

/* FAQ */
.faq-block{margin-top:72px}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--gold);transform:scaleY(0);transform-origin:top;
  transition:transform .2s var(--ease);
}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:18px 0 18px 16px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-hi);
  transition:color .15s var(--ease);
}
.faq-q:hover{color:var(--gold-soft)}
.faq-item.open .faq-q{color:var(--gold)}
.faq-icon{flex:0 0 auto;display:flex;color:var(--gold);transition:transform .18s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 0 20px 16px;font-size:15px;line-height:1.9;color:var(--text-mid);
  max-width:70ch;
}

/* CTA */
.cta-band{
  position:relative;
  padding:56px 0 64px;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(230,184,92,.75),transparent);
}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:24px;font-weight:700;letter-spacing:-.01em}
@media(min-width:768px){.cta-inner h2{font-size:30px}}
.cta-inner p{margin-top:14px;font-size:14.5px;color:var(--text-mid)}
.cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-low)}

/* 页脚 */
.site-footer{
  position:relative;z-index:1;
  padding:64px 0 28px;
  background:var(--ink-800);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--text-hi);
  margin-bottom:16px;
}
.footer-col p{font-size:13px;line-height:1.85;color:var(--text-low);max-width:34ch}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:13.5px;color:var(--text-mid);
  transition:color .15s var(--ease);
}
.footer-col ul a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--text-low);
}

/* 响应式导航 */
@media(max-width:1023px){
  .nav-links{display:none}
}
@media(max-width:767px){
  .header-inner{
    flex-wrap:wrap;height:auto;
    padding-top:12px;padding-bottom:12px;gap:12px;
  }
  .brand{order:1}
  .header-right{order:2;gap:12px}
  .header-right .btn-primary{display:none}
  .nav-toggle{display:flex}
  .nav-search{order:3;flex:1 0 100%;max-width:none;margin:0}
  .page-hero{padding:80px 0 48px}
  .main-wrap{padding:44px 0 60px}
  .step-block{padding:32px 0}
  .check-panel,.device-row{margin-top:52px}
  .faq-block{margin-top:52px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .star-field{animation:none;opacity:.42}
}

/* roulang page: article */
:root{
  --ink-900:#08090E;
  --ink-800:#0F1117;
  --ink-700:#171A22;
  --line:rgba(255,255,255,.08);
  --gold:#E6B85C;
  --gold-soft:#F2D89A;
  --aurora:#58C8C0;
  --sand:#F6F3EC;
  --text-hi:#F2F4F8;
  --text-mid:#A7AEBB;
  --text-low:#6E7480;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Inter","PingFang SC",system-ui,sans-serif;
  --r-sm:4px;
  --r-md:6px;
  --r-lg:12px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    radial-gradient(1.5px 1.5px at 6% 10%, rgba(255,255,255,.42), transparent 60%),
    radial-gradient(1px 1px at 17% 26%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1px 1px at 29% 8%, rgba(255,255,255,.24), transparent 60%),
    radial-gradient(1.5px 1.5px at 41% 32%, rgba(255,255,255,.34), transparent 60%),
    radial-gradient(1px 1px at 53% 14%, rgba(255,255,255,.22), transparent 60%),
    radial-gradient(1px 1px at 64% 40%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(1.5px 1.5px at 76% 18%, rgba(255,255,255,.36), transparent 60%),
    radial-gradient(1px 1px at 88% 34%, rgba(255,255,255,.24), transparent 60%),
    radial-gradient(1px 1px at 11% 58%, rgba(255,255,255,.26), transparent 60%),
    radial-gradient(1.5px 1.5px at 24% 74%, rgba(255,255,255,.32), transparent 60%),
    radial-gradient(1px 1px at 38% 60%, rgba(255,255,255,.22), transparent 60%),
    radial-gradient(1px 1px at 50% 82%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.5px 1.5px at 67% 68%, rgba(255,255,255,.34), transparent 60%),
    radial-gradient(1px 1px at 82% 88%, rgba(255,255,255,.24), transparent 60%),
    radial-gradient(1px 1px at 93% 62%, rgba(255,255,255,.28), transparent 60%);
  animation:twinkle 3s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.35}50%{opacity:.72}}

h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,9,14,.72);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,14,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto auto auto;
  grid-template-areas:
    "brand cta toggle"
    "search search search";
  align-items:center;
  gap:12px;
  padding-top:12px;
  padding-bottom:12px;
}
.brand{
  grid-area:brand;
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(230,184,92,.06);
  flex:none;
}
.brand-text{
  font-size:15px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-hi);
  white-space:nowrap;
}
.nav-search{
  grid-area:search;
  position:relative;
  display:flex;
  align-items:center;
  width:100%;
}
.nav-search .search-icon{
  position:absolute;
  left:15px;
  width:18px;height:18px;
  stroke:var(--text-low);
  fill:none;
  stroke-width:1.6;
  pointer-events:none;
  transition:stroke .15s var(--ease);
}
.nav-search input{
  width:100%;
  height:44px;
  padding:0 58px 0 42px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-hi);
  font-size:14px;
  line-height:1;
  outline:none;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease),background .15s var(--ease);
}
.nav-search input::placeholder{color:var(--text-low);font-size:13px}
.nav-search input:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(230,184,92,.18);
  background:rgba(255,255,255,.06);
}
.nav-search input:focus + .search-icon,
.nav-search:focus-within .search-icon{stroke:var(--gold)}
.nav-search .kbd{
  position:absolute;
  right:12px;
  padding:2px 7px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  font-size:11px;
  line-height:1.5;
  color:var(--text-low);
  font-family:var(--font-num);
  pointer-events:none;
}
.nav-links{display:none}
.nav-cta{grid-area:cta;height:40px;padding:0 16px;font-size:13px}
.nav-toggle{
  grid-area:toggle;
  width:44px;height:44px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
}
.nav-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:var(--text-hi);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
@media (min-width:1024px){
  .header-inner{
    grid-template-columns:auto minmax(0,1fr) auto auto;
    grid-template-areas:"brand search links cta";
    gap:28px;
    padding-top:10px;
    padding-bottom:10px;
  }
  .nav-search{max-width:520px;justify-self:center}
  .nav-links{
    grid-area:links;
    display:flex;
    align-items:center;
    gap:22px;
  }
  .nav-links a{
    position:relative;
    font-size:14px;
    color:var(--text-mid);
    padding:8px 0;
    white-space:nowrap;
    transition:color .15s var(--ease);
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:2px;
    height:2px;
    background:var(--gold);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .nav-links a:hover,.nav-links a:focus-visible{color:var(--text-hi)}
  .nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
  .nav-links a.active{color:var(--gold)}
  .nav-links a.active::after{transform:scaleX(1)}
  .nav-toggle{display:none}
}

/* Drawer */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(8,9,14,.98);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer[hidden]{display:none}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-head strong{font-size:15px}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  font-size:18px;
  color:var(--text-mid);
}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-hi);
}
.drawer-nav a span.arrow{color:var(--text-low);font-size:16px}
.drawer-nav a:hover{color:var(--gold-soft)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.btn-primary{background:var(--gold);color:#08090E}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text-hi);
}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}

/* ============ Badge / Tag ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  line-height:1.4;
  color:var(--text-mid);
  background:rgba(255,255,255,.02);
}
.badge-gold{border-color:rgba(230,184,92,.4);color:var(--gold-soft);background:rgba(230,184,92,.07)}
.badge-aurora{border-color:rgba(88,200,192,.4);color:var(--aurora);background:rgba(88,200,192,.07)}

/* ============ Article head ============ */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-mid);
  padding-top:28px;
}
.crumbs a{color:var(--text-mid);transition:color .15s var(--ease)}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{color:var(--text-low)}
.crumbs .current{color:var(--text-low);max-width:min(420px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{padding-bottom:8px}
.gold-rule{
  display:block;
  width:40px;height:1px;
  background:linear-gradient(90deg,var(--gold),rgba(230,184,92,.15));
  margin-bottom:20px;
}
.article-head{padding-top:22px;max-width:860px}
.article-head h1{
  font-size:30px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text-hi);
}
@media (min-width:768px){.article-head h1{font-size:36px}}
@media (min-width:1024px){.article-head h1{font-size:40px}}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-low);
  font-family:var(--font-num);
}
.article-meta .dot{
  width:3px;height:3px;
  border-radius:999px;
  background:var(--text-low);
  display:inline-block;
}

/* ============ Layout ============ */
.article-section{padding:36px 0 64px;position:relative;z-index:1}
.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:start;
}
@media (min-width:1024px){
  .article-layout{
    grid-template-columns:minmax(0,760px) 220px;
    gap:48px;
    justify-content:space-between;
  }
}

/* ============ Article content ============ */
.article-content{
  min-width:0;
  font-size:16px;
  line-height:1.9;
  color:var(--text-hi);
}
@media (min-width:768px){.article-content{font-size:17px;line-height:1.92}}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 24px;color:#D9DEE7}
.article-content h2{
  font-size:24px;
  line-height:1.36;
  font-weight:700;
  letter-spacing:-.01em;
  margin:48px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--gold);
  color:var(--text-hi);
}
@media (min-width:768px){.article-content h2{font-size:26px}}
.article-content h3{
  font-size:19px;
  font-weight:600;
  margin:32px 0 12px;
  color:var(--text-hi);
}
@media (min-width:768px){.article-content h3{font-size:20px}}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--gold-soft)}
.article-content a{color:var(--gold-soft);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--gold)}
.article-content strong{color:#FFFFFF;font-weight:600}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:0}
.article-content ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  color:#D9DEE7;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:0;top:.78em;
  width:5px;height:5px;
  background:var(--gold);
  transform:rotate(45deg);
}
.article-content ol{counter-reset:li}
.article-content ol li{
  position:relative;
  padding-left:32px;
  margin-bottom:10px;
  counter-increment:li;
  color:#D9DEE7;
}
.article-content ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;
  left:0;top:.15em;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.02em;
}
.article-content blockquote{
  margin:28px 0;
  padding:20px 22px;
  border-left:3px solid var(--gold);
  background:var(--ink-800);
  border-radius:0 var(--r-lg) var(--r-lg) 0;
  color:var(--text-mid);
  font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  width:100%;
  height:auto;
  border-radius:var(--r-lg);
  margin:24px 0 10px;
  background:var(--ink-700);
}
.article-content figure{margin:24px 0}
.article-content figcaption{
  font-size:13px;
  color:var(--text-low);
  text-align:center;
  margin-top:10px;
}
.article-content code{
  font-family:var(--font-num);
  font-size:.92em;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:2px 6px;
  color:var(--gold-soft);
}
.article-content pre{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  overflow-x:auto;
  margin:0 0 24px;
}
.article-content pre code{background:none;border:0;padding:0;color:var(--text-mid)}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 24px;
  font-size:14.5px;
}
.article-content th,.article-content td{
  border-bottom:1px solid var(--line);
  padding:12px 10px;
  text-align:left;
  vertical-align:top;
}
.article-content th{color:var(--gold-soft);font-weight:600;font-size:13px;letter-spacing:.02em}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ============ TOC ============ */
.article-aside{display:none}
@media (min-width:1024px){
  .article-aside{display:block}
  .toc{
    position:sticky;
    top:96px;
    padding-left:18px;
    border-left:1px solid var(--line);
  }
  .toc h2{
    font-size:12px;
    letter-spacing:.16em;
    color:var(--text-low);
    font-weight:600;
    margin-bottom:12px;
  }
}
.toc-list a{
  display:block;
  padding:6px 0 6px 0;
  font-size:13.5px;
  line-height:1.55;
  color:var(--text-mid);
  border-left:2px solid transparent;
  margin-left:-19px;
  padding-left:17px;
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.toc-list a:hover{color:var(--text-hi)}
.toc-list a.active{color:var(--gold);border-left-color:var(--gold)}

.toc-mobile{
  margin:0 0 28px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--ink-800);
  padding:14px 16px;
}
.toc-mobile summary{
  cursor:pointer;
  font-size:14px;
  font-weight:600;
  color:var(--gold-soft);
  list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile[open] summary{margin-bottom:10px}
.toc-mobile .toc-list a{margin-left:0;padding-left:12px;border-left:2px solid transparent}
.toc-mobile .toc-list a.active{border-left-color:var(--gold)}
@media (min-width:1024px){.toc-mobile{display:none}}

/* ============ Article foot ============ */
.article-foot{
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-mid);
  transition:border-color .15s var(--ease),color .15s var(--ease);
}
.tag:hover{border-color:var(--gold);color:var(--gold-soft)}

/* ============ Empty state ============ */
.empty-state{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--ink-800);
  padding:56px 24px;
  text-align:center;
}
.empty-state svg{width:34px;height:34px;stroke:var(--gold);fill:none;stroke-width:1.3;margin:0 auto 18px}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--text-mid);max-width:460px;margin:0 auto 24px;line-height:1.85}

/* ============ Related ============ */
.related{padding:8px 0 72px;position:relative;z-index:1}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.section-head h2{
  font-size:20px;
  font-weight:700;
  letter-spacing:-.01em;
}
@media (min-width:768px){.section-head h2{font-size:22px}}
.link-more{
  font-size:13.5px;
  color:var(--text-mid);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .15s var(--ease);
}
.link-more:hover{color:var(--gold)}
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--ink-800);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(230,184,92,.4)}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--ink-700);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,9,14,0) 40%,rgba(8,9,14,.72) 100%);
}
.card-body{padding:18px 18px 20px}
.card-body h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
  transition:color .15s var(--ease);
}
.card:hover .card-body h3{color:var(--gold-soft)}
.card-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-time{
  display:block;
  margin-top:14px;
  font-size:12.5px;
  color:var(--text-low);
  font-family:var(--font-num);
}

/* ============ CTA band ============ */
.cta-band{
  position:relative;
  z-index:1;
  padding:64px 0;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(230,184,92,0),rgba(230,184,92,.85),rgba(230,184,92,0));
}
.cta-band h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
@media (min-width:768px){.cta-band h2{font-size:26px}}
.cta-band p{
  font-size:15px;
  color:var(--text-mid);
  max-width:560px;
  margin:14px auto 26px;
  line-height:1.9;
}
.cta-note{
  font-size:13px !important;
  color:var(--text-low) !important;
  margin:16px auto 0 !important;
}

/* ============ Footer ============ */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand strong{font-size:15px;color:var(--text-hi)}
.footer-col p{
  font-size:13px;
  line-height:1.85;
  color:var(--text-low);
  max-width:34ch;
}
.footer-col h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-hi);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:13.5px;
  color:var(--text-mid);
  transition:color .15s var(--ease);
}
.footer-col ul a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  align-items:center;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-low);
}

/* ============ Motion prefs ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .card:hover{transform:none}
  .btn-primary:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ink-900:#08090E;
  --ink-800:#0F1117;
  --ink-700:#171A22;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --gold:#E6B85C;
  --gold-soft:#F2D89A;
  --aurora:#58C8C0;
  --sand:#F6F3EC;
  --text-hi:#F2F4F8;
  --text-mid:#A7AEBB;
  --text-low:#6E7480;
  --ink-text:#14161C;
  --ink-text-mid:#5A6070;
  --radius-s:4px;
  --radius-m:6px;
  --radius-l:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Inter",ui-sans-serif,system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
::selection{background:rgba(230,184,92,.28)}

/* 星点层 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.42;
  background-image:
    radial-gradient(1.4px 1.4px at 8% 14%, rgba(255,255,255,.55), transparent 65%),
    radial-gradient(1px 1px at 22% 38%, rgba(255,255,255,.40), transparent 65%),
    radial-gradient(1.6px 1.6px at 34% 9%, rgba(230,184,92,.50), transparent 65%),
    radial-gradient(1px 1px at 47% 27%, rgba(255,255,255,.32), transparent 65%),
    radial-gradient(1.2px 1.2px at 58% 61%, rgba(255,255,255,.38), transparent 65%),
    radial-gradient(1px 1px at 69% 18%, rgba(255,255,255,.30), transparent 65%),
    radial-gradient(1.5px 1.5px at 78% 47%, rgba(88,200,192,.42), transparent 65%),
    radial-gradient(1px 1px at 88% 72%, rgba(255,255,255,.34), transparent 65%),
    radial-gradient(1.2px 1.2px at 15% 76%, rgba(255,255,255,.30), transparent 65%),
    radial-gradient(1px 1px at 41% 88%, rgba(230,184,92,.36), transparent 65%),
    radial-gradient(1.3px 1.3px at 63% 92%, rgba(255,255,255,.28), transparent 65%),
    radial-gradient(1px 1px at 93% 33%, rgba(255,255,255,.32), transparent 65%);
  animation:starBreath 3s ease-in-out infinite;
}
@keyframes starBreath{0%,100%{opacity:.42}50%{opacity:.24}}

/* 容器 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  border-bottom:1px solid transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),backdrop-filter .18s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,14,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;padding-top:12px;padding-bottom:12px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{
  width:32px;height:32px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(230,184,92,.4);border-radius:8px;background:rgba(230,184,92,.06);
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
@media (min-width:1024px){.brand-text{font-size:16px}}

.nav-search{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px 0 16px;
  border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
  flex:1 1 auto;max-width:520px;min-width:0;
}
.nav-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 2px rgba(230,184,92,.18)}
.nav-search svg{flex:0 0 auto;stroke:var(--text-low)}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text-hi)}
.nav-search input::placeholder{color:var(--text-low);font-size:13px}
.nav-search kbd{
  flex:0 0 auto;font-family:var(--font-num);font-size:12px;color:var(--text-low);
  border:1px solid var(--line);border-radius:999px;padding:2px 8px;line-height:1.4;
}

.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.nav-links a{
  position:relative;display:inline-block;padding:6px 1px;font-size:14px;color:var(--text-mid);
  transition:color .15s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .15s var(--ease);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text-hi)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--gold)}
.nav-links a.is-active::after{transform:scaleX(1)}

.nav-cta{flex:0 0 auto;margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-m);color:var(--text-hi);
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold)}

@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;gap:12px;row-gap:12px}
  .brand{order:1;flex:1 1 auto}
  .nav-cta{order:2;margin-left:0;height:40px;padding:0 16px;font-size:14px}
  .nav-toggle{order:3;display:inline-flex}
  .nav-search{order:4;flex:1 1 100%;max-width:none;height:44px}
  .nav-links{display:none}
}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(8,9,14,.98);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  display:flex;flex-direction:column;padding:16px 20px 32px;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-m);font-size:20px;color:var(--text-hi);
}
.drawer-close:hover{border-color:var(--gold);color:var(--gold)}
.drawer-list{margin-top:12px}
.drawer-list li a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;color:var(--text-mid);border-bottom:1px solid var(--line);
}
.drawer-list li a::after{content:"›";font-size:20px;color:var(--text-low)}
.drawer-list li a:hover,.drawer-list li a.is-active{color:var(--gold)}
.drawer-list li a.is-active::after{color:var(--gold)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-m);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.btn-primary{background:var(--gold);color:#08090E}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text-hi)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-sm{height:36px;padding:0 18px;font-size:14px;font-weight:600}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;line-height:1.4;color:var(--text-mid);letter-spacing:.02em;
}
.badge-gold{border-color:rgba(230,184,92,.45);color:var(--gold);background:rgba(230,184,92,.07)}
.badge-aurora{border-color:rgba(88,200,192,.42);color:var(--aurora);background:rgba(88,200,192,.07)}
.badge-neutral{color:var(--text-mid)}
.badge-sand{border-color:rgba(20,22,28,.14);color:var(--ink-text-mid);background:rgba(20,22,28,.03)}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(8,9,14,.58),rgba(8,9,14,.97)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;left:-8%;top:0;width:70%;height:100%;
  background:radial-gradient(60% 55% at 25% 40%,rgba(230,184,92,.10),transparent 70%);
}
.hero-inner{position:relative;z-index:1;padding:36px 0 72px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-mid);margin-bottom:28px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-mid);transition:color .15s var(--ease)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span[aria-current]{color:var(--text-low)}
.hero-kicker{margin-bottom:20px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.hero h1{
  font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.14;
  margin:0 0 20px;max-width:20ch;
}
@media (min-width:768px){.hero h1{font-size:42px}}
@media (min-width:1280px){.hero h1{font-size:44px}}
.hero-sub{font-size:16px;line-height:1.9;color:var(--text-mid);max-width:46ch;margin-bottom:28px}
@media (min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-search{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 6px 0 16px;
  border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);
  max-width:620px;transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.hero-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 2px rgba(230,184,92,.18)}
.hero-search svg{flex:0 0 auto;stroke:var(--text-low)}
.hero-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text-hi)}
.hero-search input::placeholder{color:var(--text-low);font-size:13px}
.stat-row{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.stat-num{font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:16px;color:var(--text-mid);margin-left:4px;font-family:var(--font-sans);font-weight:500}
.stat-label{margin-top:10px;font-size:13px;line-height:1.6;color:var(--text-mid)}

/* 区块 */
.section{position:relative;z-index:1;padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
@media (min-width:1280px){.section{padding:110px 0}}
.section-head{margin-bottom:44px;max-width:760px}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0 0 14px}
@media (min-width:768px){.section-head h2{font-size:32px}}
.section-desc{font-size:15px;line-height:1.9;color:var(--text-mid)}
.section-sand{background:var(--sand);color:var(--ink-text)}
.section-sand .section-desc,.section-sand p{color:var(--ink-text-mid)}
.section-sand .section-head h2{color:var(--ink-text)}

/* 三级保护进度条 */
.meter-list{border-top:1px solid var(--line)}
.meter-item{padding:28px 0;border-bottom:1px solid var(--line);display:grid;gap:14px}
@media (min-width:1024px){
  .meter-item{grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start;padding:32px 0}
}
.meter-label{font-size:17px;font-weight:600;color:var(--text-hi);display:block}
.meter-note{display:block;font-size:13px;color:var(--text-low);margin-top:6px}
.meter-track{height:4px;border-radius:999px;background:var(--ink-700);overflow:hidden}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--aurora))}
.meter-body p{font-size:15px;line-height:1.9;color:var(--text-mid);margin-top:14px}
.meter-item:first-child{padding-top:24px}

/* 时间轴 */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--gold) 0 62%,var(--line) 62% 100%);
}
.tl-item{
  position:relative;padding-left:26px;padding-bottom:44px;
  display:grid;grid-template-columns:1fr;gap:10px;
}
@media (min-width:1024px){
  .tl-item{padding-left:40px;padding-bottom:56px;grid-template-columns:minmax(150px,1fr) minmax(0,2fr);gap:36px;align-items:start}
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-4px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(230,184,92,.14);
}
.tl-label{font-size:13px;line-height:1.6;color:var(--text-low);letter-spacing:.06em}
.tl-label strong{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:rgba(230,184,92,.5);letter-spacing:0;margin-bottom:6px;font-variant-numeric:tabular-nums;
}
.tl-body h3{font-size:21px;font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:0 0 12px}
@media (min-width:768px){.tl-body h3{font-size:24px}}
.tl-body p{font-size:15px;line-height:1.9;color:var(--text-mid);margin-bottom:14px}
.star-list{display:grid;gap:8px}
.star-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.85;color:var(--text-mid)}
.star-list li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--gold);
}
.tl-figure{margin:18px 0 0;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;background:var(--ink-700)}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.tl-figure:hover img{transform:scale(1.03)}

/* 自查清单 */
.check-list{border-top:1px solid rgba(20,22,28,.12)}
.check-item{
  display:grid;gap:6px;padding:24px 0;border-bottom:1px solid rgba(20,22,28,.12);
}
@media (min-width:1024px){
  .check-item{grid-template-columns:minmax(0,2fr) minmax(0,3fr) 120px;gap:32px;align-items:center;padding:28px 0}
}
.check-item h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-text);margin:0}
.check-item p{font-size:15px;line-height:1.9;color:var(--ink-text-mid);margin:0}
.check-flag{justify-self:start}
@media (min-width:1024px){.check-flag{justify-self:end}}

/* 异常处理 */
.handle-grid{display:grid;gap:28px}
@media (min-width:768px){.handle-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}}
.handle-item{padding-top:22px;border-top:1px solid var(--line)}
.handle-num{
  font-family:var(--font-num);font-size:44px;font-weight:700;font-style:italic;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(230,184,92,.55);margin-bottom:16px;
}
.handle-item h3{font-size:19px;font-weight:600;margin:0 0 10px;line-height:1.4}
.handle-item p{font-size:15px;line-height:1.9;color:var(--text-mid)}

/* FAQ */
.faq{max-width:880px;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;
  padding:22px 0;font-size:16px;font-weight:600;text-align:left;color:var(--text-hi);
  transition:color .15s var(--ease);min-height:44px;
}
.faq-q:hover{color:var(--gold-soft)}
.faq-icon{flex:0 0 auto;transition:transform .15s var(--ease);stroke:var(--gold)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{
  padding:0 0 22px 18px;border-left:2px solid var(--gold);
  font-size:15px;line-height:1.9;color:var(--text-mid);
}

/* CTA 条 */
.cta-band{
  position:relative;z-index:1;padding:64px 0;
  background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px}
.cta-inner h2{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.3;margin:0}
@media (min-width:768px){.cta-inner h2{font-size:30px}}
.cta-inner p{font-size:15px;line-height:1.9;color:var(--text-mid);max-width:56ch}
.cta-note{font-size:13px;color:var(--text-low)}

/* 页脚 */
.site-footer{position:relative;z-index:1;background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 24px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text-hi);margin:0 0 14px}
.footer-col p{font-size:13px;line-height:1.85;color:var(--text-mid)}
.footer-col ul{display:grid;gap:4px}
.footer-col ul li a{font-size:14px;color:var(--text-mid);line-height:2.1;transition:color .15s var(--ease)}
.footer-col ul li a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-low);
}

/* 进场 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#08090E;
  --ink-800:#0F1117;
  --ink-700:#171A22;
  --line:rgba(255,255,255,.08);
  --gold:#E6B85C;
  --gold-soft:#F2D89A;
  --aurora:#58C8C0;
  --sand:#F6F3EC;
  --text-hi:#F2F4F8;
  --text-mid:#A7AEBB;
  --text-low:#6E7480;
  --danger:#E8836F;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Inter","Helvetica Neue",Arial,system-ui,sans-serif;
  --r-xs:4px;
  --r-sm:6px;
  --r-md:12px;
  --r-pill:999px;
  --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(--ink-900);
  color:var(--text-hi);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(242,216,154,.42), transparent 55%),
    radial-gradient(1px 1px at 68% 8%, rgba(255,255,255,.30), transparent 55%),
    radial-gradient(1.2px 1.2px at 38% 62%, rgba(230,184,92,.26), transparent 55%),
    radial-gradient(1px 1px at 84% 44%, rgba(255,255,255,.22), transparent 55%),
    radial-gradient(1px 1px at 24% 86%, rgba(88,200,192,.22), transparent 55%),
    radial-gradient(1.4px 1.4px at 56% 92%, rgba(255,255,255,.18), transparent 55%);
  background-size:420px 380px,320px 300px,500px 460px,360px 340px,300px 420px,480px 400px;
  opacity:.65;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,9,14,.72);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,14,.94);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  border:1px solid rgba(230,184,92,.35);
  background:rgba(230,184,92,.07);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:0 1 480px;max-width:520px;height:44px;
  padding:0 12px 0 40px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color 150ms var(--ease),box-shadow 150ms var(--ease);
}
.nav-search .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);opacity:.6;pointer-events:none}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;
  background:none;border:0;outline:none;
  font-size:14px;color:var(--text-hi);
}
.nav-search input::placeholder{color:var(--text-low);font-size:13.5px}
.nav-search kbd{
  flex:0 0 auto;font-family:var(--font-num);font-size:11px;line-height:1;
  padding:5px 7px;border-radius:var(--r-xs);
  border:1px solid var(--line);color:var(--text-low);
}
.nav-search:focus-within{border-color:rgba(230,184,92,.65);box-shadow:0 0 0 2px rgba(230,184,92,.18)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-mid);
  padding:6px 0;white-space:nowrap;transition:color 150ms var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform 150ms var(--ease);
}
.nav-links a:hover{color:var(--text-hi)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--gold)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color 150ms var(--ease);
}
.nav-toggle:hover{border-color:rgba(230,184,92,.5)}
.nav-drawer{
  position:fixed;inset:0;z-index:90;
  display:none;flex-direction:column;
  padding:20px;background:rgba(8,9,14,.98);
}
.nav-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;
  border-bottom:1px solid var(--line);color:var(--text-hi);
}
.drawer-link.is-active{color:var(--gold)}
.drawer-note{margin-top:20px;font-size:13px;color:var(--text-low)}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform 150ms var(--ease),background 150ms var(--ease),border-color 150ms var(--ease),color 150ms var(--ease);
}
.btn-primary{background:var(--gold);color:#08090E}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text-hi)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:13px;font-weight:600}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.2;border:1px solid var(--line);color:var(--text-mid);
}
.badge-gold{border-color:rgba(230,184,92,.38);background:rgba(230,184,92,.07);color:var(--gold-soft)}
.badge-aurora{border-color:rgba(88,200,192,.38);background:rgba(88,200,192,.08);color:var(--aurora)}
.badge-plain{background:rgba(255,255,255,.04)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 64px;
  background-image:linear-gradient(180deg,rgba(8,9,14,.62),rgba(8,9,14,.97)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero .container{position:relative;z-index:2}
.hero-orbit{
  position:absolute;left:0;right:0;bottom:-20px;
  width:100%;height:auto;z-index:1;pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-mid);margin-bottom:22px}
.breadcrumb a{color:var(--text-mid);transition:color 150ms var(--ease)}
.breadcrumb a:hover{color:var(--gold-soft)}
.breadcrumb .sep{color:var(--text-low)}
.breadcrumb .current{color:var(--text-low)}
.hero-title{
  font-size:32px;line-height:1.15;font-weight:800;
  letter-spacing:-.02em;margin:18px 0 0;max-width:22ch;
}
@media (min-width:768px){.hero-title{font-size:44px}}
@media (min-width:1280px){.hero-title{font-size:52px}}
.hero-sub{
  margin-top:18px;max-width:52ch;
  font-size:16px;line-height:1.9;color:var(--text-mid);
}
.hero-search{
  position:relative;display:flex;align-items:center;
  width:100%;height:48px;margin-top:28px;
  padding:0 14px 0 44px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color 150ms var(--ease),box-shadow 150ms var(--ease);
}
@media (min-width:768px){.hero-search{max-width:620px}}
.hero-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);opacity:.62;pointer-events:none}
.hero-search input{flex:1 1 auto;min-width:0;height:100%;background:none;border:0;outline:none;font-size:14.5px}
.hero-search input::placeholder{color:var(--text-low)}
.hero-search:focus-within{border-color:rgba(230,184,92,.65);box-shadow:0 0 0 2px rgba(230,184,92,.18)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
@media (max-width:520px){
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
}

/* ---------- blocks ---------- */
.block{padding:64px 0;position:relative}
@media (min-width:768px){.block{padding:88px 0}}
.block + .block{border-top:1px solid var(--line)}
.block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.block-title{font-size:24px;font-weight:700;letter-spacing:-.01em}
@media (min-width:768px){.block-title{font-size:28px}}
.block-desc{margin-top:12px;font-size:15px;color:var(--text-mid);max-width:66ch}
.block-eyebrow{
  display:block;font-family:var(--font-num);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);margin-bottom:12px;
}
.link-more{
  font-size:14px;color:var(--gold-soft);
  border-bottom:1px solid rgba(230,184,92,.35);
  padding-bottom:2px;transition:color 150ms var(--ease),border-color 150ms var(--ease);
}
.link-more:hover{color:var(--gold);border-color:var(--gold)}

/* ---------- topic cards ---------- */
.topic-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.topic-grid{grid-template-columns:repeat(4,1fr)}}
.topic-card{
  position:relative;padding:24px 20px 22px;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--ink-800);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.topic-card::before{
  content:"";position:absolute;left:20px;top:0;width:38px;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.topic-card:hover{transform:translateY(-3px);border-color:rgba(230,184,92,.35);background:var(--ink-700)}
.topic-num{font-family:var(--font-num);font-size:13px;letter-spacing:.16em;color:var(--gold)}
.topic-title{font-size:17px;font-weight:600;margin-top:12px}
.topic-text{margin-top:8px;font-size:14px;line-height:1.85;color:var(--text-mid)}
.topic-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;color:var(--gold-soft)}
.topic-card:hover .topic-link{color:var(--gold)}
.stat-row{
  display:grid;grid-template-columns:1fr;gap:22px;
  margin-top:34px;padding-top:28px;border-top:1px solid var(--line);
}
@media (min-width:768px){.stat-row{grid-template-columns:repeat(3,1fr)}}
.stat-num{font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1;color:var(--gold-soft);font-variant-numeric:tabular-nums}
.stat-unit{font-size:15px;margin-left:4px;color:var(--text-mid);font-family:var(--font-sans);font-weight:500}
.stat-label{margin-top:10px;font-size:13px;color:var(--text-low)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:0 48px}
@media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr)}}
.faq-col{display:block}
.faq-item{border-bottom:1px solid var(--line);transition:background 180ms var(--ease)}
.faq-item.is-open{
  background:linear-gradient(90deg,rgba(230,184,92,.06),transparent 60%);
  border-left:2px solid var(--gold);
  padding-left:16px;
}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 0;background:none;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--text-hi);cursor:pointer;
  transition:color 150ms var(--ease);
}
.faq-q:hover{color:var(--gold-soft)}
.faq-ico{position:relative;flex:0 0 auto;width:18px;height:18px;transition:transform 220ms var(--ease)}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--gold);border-radius:1px;
}
.faq-ico::before{left:0;right:0;top:8px;height:2px}
.faq-ico::after{left:8px;top:0;bottom:0;width:2px;transition:opacity 180ms var(--ease)}
.faq-item.is-open .faq-ico{transform:rotate(180deg)}
.faq-item.is-open .faq-ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a p{padding:0 34px 20px 0;font-size:15px;line-height:1.9;color:var(--text-mid)}

/* ---------- checklist steps ---------- */
.check-steps{position:relative;display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.check-steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.check-line{
  display:none;
}
@media (min-width:768px){
  .check-line{
    display:block;position:absolute;left:6%;right:6%;top:36px;height:1px;
    background:linear-gradient(90deg,rgba(230,184,92,.05),rgba(230,184,92,.45),rgba(88,200,192,.28));
  }
}
.check-step{
  position:relative;z-index:1;
  padding:26px 22px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--ink-800);
  transition:border-color 180ms var(--ease),transform 180ms var(--ease);
}
.check-step:hover{border-color:rgba(230,184,92,.35);transform:translateY(-2px)}
.step-idx{
  font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(230,184,92,.55);
  font-variant-numeric:tabular-nums;
}
.step-title{font-size:17px;font-weight:600;margin-top:14px}
.step-text{margin-top:8px;font-size:14px;line-height:1.85;color:var(--text-mid)}
.step-tag{margin-top:16px}

/* ---------- entries ---------- */
.entry-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){
  .entry-grid{grid-template-columns:1.55fr 1fr;grid-template-rows:auto auto;align-items:stretch}
}
.entry-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--ink-800);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(230,184,92,.4)}
.entry-card .thumb{overflow:hidden;background:var(--ink-700);position:relative}
.entry-card .thumb img{width:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card--main .thumb img{aspect-ratio:16/9}
@media (min-width:1024px){.entry-card--main .thumb img{aspect-ratio:16/10}}
.entry-card--side .thumb{flex:0 0 118px}
.entry-card--side .thumb img{height:100%;min-height:96px;aspect-ratio:4/3}
.entry-body{padding:22px 20px 24px}
.entry-card--main .entry-body{padding:26px 24px 28px}
.entry-card--main .entry-title{font-size:20px}
.entry-title{font-size:17px;font-weight:600;line-height:1.5}
.entry-text{margin-top:10px;font-size:14px;line-height:1.85;color:var(--text-mid)}
.entry-foot{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--gold-soft)}
@media (min-width:640px) and (max-width:1023px){
  .entry-card--side{display:flex;align-items:stretch}
  .entry-card--side .thumb{flex:0 0 200px}
  .entry-card--side .entry-body{padding:20px}
}
@media (min-width:1024px){
  .entry-card--side{display:flex}
}
@media (max-width:639px){
  .entry-card--side{display:block}
  .entry-card--side .thumb{flex:none}
  .entry-card--side .thumb img{aspect-ratio:16/9}
}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.contact-grid{grid-template-columns:.85fr 1.35fr;gap:56px}}
.contact-panel{
  padding:24px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--ink-800);
}
.contact-list{display:grid;gap:14px;margin-top:20px}
.contact-list li{display:flex;gap:10px;font-size:14px;color:var(--text-mid);line-height:1.8}
.contact-list li::before{
  content:"";flex:0 0 auto;width:5px;height:5px;margin-top:11px;
  border-radius:1px;background:var(--gold);
}
.contact-form{
  padding:26px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--ink-800);
}
@media (min-width:768px){.contact-form{padding:32px 30px}}
.form-row{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.form-row{grid-template-columns:1fr 1fr}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-mid);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-hi);
  outline:none;transition:border-color 150ms var(--ease),box-shadow 150ms var(--ease);
}
.field textarea{min-height:124px;resize:vertical;line-height:1.75}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-mid) 50%),linear-gradient(135deg,var(--text-mid) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(230,184,92,.6);box-shadow:0 0 0 2px rgba(230,184,92,.16)}
.form-note{font-size:13px;color:var(--text-low);line-height:1.7;margin-top:12px}
.form-msg{display:none;margin-top:14px;font-size:13.5px;color:var(--aurora)}
.form-msg.is-show{display:block}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;padding:58px 0 62px;text-align:center;
  background:linear-gradient(180deg,var(--ink-800),var(--ink-900));
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(230,184,92,.6),transparent);
}
.cta-title{font-size:24px;font-weight:700}
@media (min-width:768px){.cta-title{font-size:30px}}
.cta-text{margin:14px auto 0;max-width:56ch;font-size:15px;color:var(--text-mid)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-note{margin-top:18px;font-size:13px;color:var(--text-low)}
@media (max-width:520px){.cta-actions .btn{width:100%}}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text-hi);margin:0 0 16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-mid);transition:color 150ms var(--ease)}
.footer-col a:hover{color:var(--gold-soft)}
.footer-col p{font-size:13px;line-height:1.8;color:var(--text-low)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-low);
}
main{position:relative;z-index:1}
.site-header{position:sticky;top:0}

@media (max-width:767px){
  .header-inner{flex-wrap:wrap;gap:10px;padding:10px 0 12px;min-height:0}
  .brand-text{font-size:14px}
  .nav-links{display:none}
  .nav-search{order:5;flex:1 0 100%;max-width:none;width:100%}
  .nav-toggle{display:inline-flex}
  .nav-cta{margin-left:auto}
}
@media (min-width:768px){
  .nav-toggle{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .topic-card:hover,.check-step:hover,.entry-card:hover,.btn:hover{transform:none !important}
  .entry-card:hover .thumb img{transform:none !important}
}