/* roulang page: index */
:root{
  --night:#14122B;
  --night-deep:#0B0A16;
  --card:#1E1B3A;
  --card-hi:#252148;
  --text:#F6F3EC;
  --text-2:#C9C3B6;
  --muted:#6E6A80;
  --amber:#F2B23E;
  --amber-deep:#B07A12;
  --amber-line:rgba(242,178,62,.12);
  --amber-line-strong:rgba(242,178,62,.38);
  --rose:#E0557A;
  --paper:#FBF9F4;
  --ink:#241F38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-dark:0 8px 28px rgba(0,0,0,.45);
  --shadow-paper:0 4px 16px rgba(36,31,56,.08);
  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sp-section:96px;
  --sp-gutter:24px;
}
@media (max-width:1023px){:root{--sp-section:64px;--sp-gutter:20px}}
@media (max-width:640px){:root{--sp-section:56px;--sp-gutter:16px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--night);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(242,178,62,.28)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 布局骨架 ============ */
.layout{padding-left:240px;min-height:100vh}
@media (max-width:1023px){.layout{padding-left:0;padding-top:56px}}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:1023px){.shell{padding:0 var(--sp-gutter)}}

/* ============ 左侧固定栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:80;
  display:flex;flex-direction:column;
  padding:28px 20px 24px;
  background:var(--night-deep);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:10px;
  background:linear-gradient(140deg,#F7C765,#C98B1C);
  color:#1B1730;font-size:15px;font-weight:700;
  display:grid;place-items:center;line-height:1;
}
.brand-text{font-family:var(--font-serif);font-size:16px;font-weight:700;line-height:1.24;letter-spacing:.01em}
.brand-sub{display:block;margin-top:3px;font-family:var(--font-sans);font-size:11px;font-weight:400;letter-spacing:.12em;color:var(--muted)}
.side-nav{display:flex;flex-direction:column;gap:3px;margin-top:34px}
.nav-item{
  position:relative;display:block;padding:11px 12px 11px 17px;border-radius:9px;
  color:var(--text-2);font-size:15px;transition:color .2s ease,background .2s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--amber);
  transition:height .2s ease;
}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-item:hover::before{height:16px}
.nav-item.is-active{color:var(--text);background:rgba(242,178,62,.09)}
.nav-item.is-active::before{height:20px}
.side-sub{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:7px}
.side-sub a{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);transition:color .2s ease}
.side-sub a:hover{color:var(--amber)}
.side-sub a span{opacity:.6}
.side-foot{margin-top:auto;padding-top:26px;display:flex;flex-direction:column;gap:14px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:7px 13px;border-radius:999px;font-size:12px;letter-spacing:.05em;color:var(--text-2);
  border:1px solid var(--amber-line);background:rgba(242,178,62,.06);
}
.status-pill.is-live{border-color:rgba(224,85,122,.35);background:rgba(224,85,122,.12);color:#F6C9D6}
.dot{width:7px;height:7px;flex:none;border-radius:50%;background:var(--rose);box-shadow:0 0 0 0 rgba(224,85,122,.6);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(224,85,122,.55)}
  70%{box-shadow:0 0 0 9px rgba(224,85,122,0)}
  100%{box-shadow:0 0 0 0 rgba(224,85,122,0)}
}
@media (prefers-reduced-motion:reduce){.dot{animation:none}}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{display:none}
@media (max-width:1023px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 16px;z-index:90;
    background:rgba(11,10,22,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .topbar .brand-text{font-size:15px}
  .topbar .brand-sub{display:none}
  .menu-btn{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
    display:grid;place-items:center;gap:4px;transition:border-color .2s ease;
  }
  .menu-btn:hover{border-color:var(--amber)}
  .menu-btn i{display:block;width:16px;height:1.5px;background:var(--text-2);border-radius:2px;transition:background .2s ease}
  .menu-btn:hover i{background:var(--amber)}
  .sidebar{width:280px;transform:translateX(-100%);transition:transform .28s ease;padding-top:24px;box-shadow:var(--shadow-dark)}
  .sidebar.is-open{transform:translateX(0)}
}
.mask{
  position:fixed;inset:0;z-index:70;background:#000;opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.mask.is-on{opacity:.6;pointer-events:auto}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,filter .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--amber);color:#221A09;font-weight:600}
.btn-primary:hover{filter:brightness(1.08)}
.btn-outline{border-color:var(--line-strong);color:var(--text)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber)}
.btn-ghost{border-color:var(--line-strong);color:var(--text-2);height:44px;padding:0 20px}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-block{width:100%;height:44px;font-size:14px}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;color:var(--amber);
  border:1px solid rgba(242,178,62,.35);background:rgba(242,178,62,.06);
}
.badge-live{background:var(--rose);border-color:var(--rose);color:#fff}
.badge-ghost{background:rgba(11,10,22,.72);border-color:var(--line-strong);color:var(--text-2)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);
  padding-bottom:2px;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--amber);border-bottom-color:var(--amber)}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;min-height:72vh;
  display:flex;align-items:flex-end;padding:150px 0 72px;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(168deg,rgba(11,10,22,.62) 0%,rgba(20,18,43,.80) 48%,var(--night) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.6;
  background-image:radial-gradient(rgba(246,243,236,.10) 1px,transparent 1px);
  background-size:34px 34px;
}
.hero .shell{position:relative;z-index:2}
.hero-inner{max-width:780px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  font-size:13px;letter-spacing:.05em;color:#F6C9D6;
  background:rgba(224,85,122,.14);border:1px solid rgba(224,85,122,.35);
}
.hero h1{font-size:clamp(30px,4vw,50px);margin-top:22px;letter-spacing:.005em}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.35vw,17px);color:var(--text-2);max-width:640px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;font-size:13px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:4px;height:4px;border-radius:50%;background:var(--amber);display:block}
@media (max-width:1023px){
  .hero{min-height:auto;padding:88px 0 56px}
}

/* ============ 倒计时 ============ */
.cd-strip{padding:0 0 8px;margin-top:-1px}
.cd-card{
  border-radius:18px;border:1px solid var(--amber-line);
  background:linear-gradient(122deg,#1E1B3A 0%,#221E44 100%);
  box-shadow:var(--shadow-dark);padding:30px 34px;
}
.cd-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.cd-cap{font-size:14px;color:var(--text-2);letter-spacing:.04em}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.cd-cell{
  border-radius:var(--r-img);border:1px solid var(--line);background:rgba(11,10,22,.5);
  padding:16px 10px;text-align:center;
}
.cd-num{
  display:block;font-family:var(--font-mono);font-weight:600;line-height:1;
  font-size:clamp(32px,4.4vw,52px);color:var(--amber);
}
.cd-label{display:block;margin-top:10px;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.cd-bar{margin-top:22px;height:3px;border-radius:3px;background:rgba(255,255,255,.07);overflow:hidden}
.cd-bar span{display:block;height:100%;width:64%;border-radius:3px;background:linear-gradient(90deg,#C98B1C,var(--amber))}
.cd-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:18px}
.cd-legend{font-size:13px;color:var(--muted)}
@media (max-width:640px){
  .cd-card{padding:22px 20px}
  .cd-grid{gap:9px;margin-top:18px}
  .cd-cell{padding:12px 4px}
  .cd-num{font-size:30px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ============ 板块通用 ============ */
.section{padding:var(--sp-section) 0}
.section--tight{padding:calc(var(--sp-section) * .6) 0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.24em;color:var(--amber);margin-bottom:14px}
.section-head{max-width:760px;margin-bottom:46px}
.section-head h2{font-size:clamp(22px,2.4vw,32px)}
.section-desc{margin-top:15px;font-size:15px;color:var(--text-2)}
.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ============ 看点列表 ============ */
.feature-list{display:flex;flex-direction:column;gap:6px}
.feature-item{
  display:flex;gap:28px;padding:28px 24px;border-radius:var(--r-card);
  border:1px solid transparent;transition:background .24s ease,border-color .24s ease,transform .24s ease;
}
.feature-item:hover{background:rgba(255,255,255,.03);border-color:var(--amber-line);transform:translateY(-2px)}
.feature-num{
  flex:none;width:64px;font-family:var(--font-serif);font-size:34px;line-height:1;
  color:var(--amber);opacity:.92;
}
.feature-body h3{font-size:20px}
.feature-body p{margin-top:9px;font-size:15px;color:var(--text-2);max-width:660px}
@media (min-width:900px){
  .feature-item:nth-child(even){margin-left:72px}
  .feature-item:nth-child(odd){margin-right:72px}
}
@media (max-width:640px){
  .feature-item{flex-direction:column;gap:12px;padding:22px 18px}
  .feature-num{width:auto;font-size:28px}
}

/* ============ 订阅条 ============ */
.subscribe-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:32px 36px;border-radius:18px;border:1px solid var(--amber-line);
  background:linear-gradient(120deg,#1E1B3A,#241F49);box-shadow:var(--shadow-dark);
}
.sb-copy{flex:1 1 300px}
.sb-copy h2{font-size:22px}
.sb-copy p{margin-top:8px;font-size:14px;color:var(--text-2)}
.subscribe-form{display:flex;gap:12px;flex:1 1 380px}
.subscribe-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text);
  transition:border-color .2s ease,background .2s ease;
}
.subscribe-form input::placeholder{color:var(--muted)}
.subscribe-form input:focus{outline:none;border-color:var(--amber);background:rgba(242,178,62,.06)}
.form-hint{flex-basis:100%;font-size:12px;color:var(--muted)}
.form-hint.is-ok{color:#54C7A4}
.form-hint.is-err{color:var(--rose)}
@media (max-width:640px){
  .subscribe-bar{padding:24px 20px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}

/* ============ 最新信息（CMS 循环区） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:16px;padding:22px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--amber-line);box-shadow:var(--shadow-dark);
  transition:transform .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--amber-line-strong)}
.news-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:var(--card-hi);border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.news-date{font-size:12px;color:var(--muted);font-family:var(--font-mono)}
.news-title{font-size:20px;margin-top:12px}
.news-title a{transition:color .2s ease}
.news-title a:hover{color:var(--amber)}
.news-summary{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:16px;font-size:13px;color:var(--amber);display:inline-flex;align-items:center;gap:6px}
@media (min-width:780px){
  .news-card--lead{grid-column:1 / -1;flex-direction:row;align-items:stretch;gap:28px;padding:26px}
  .news-card--lead .news-thumb{flex:0 0 44%;aspect-ratio:16/10}
  .news-card--lead .news-title{font-size:24px}
  .news-card--lead .news-summary{-webkit-line-clamp:4}
  .news-card--lead .news-body{flex:1;display:flex;flex-direction:column}
  .news-card--lead .news-more{margin-top:auto;padding-top:18px}
}
@media (max-width:779px){
  .news-grid{grid-template-columns:1fr}
}
.empty-state{
  padding:52px 24px;text-align:center;border-radius:var(--r-card);
  border:1px dashed var(--line-strong);background:rgba(255,255,255,.02);
}
.empty-icon{
  width:46px;height:46px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;color:var(--amber);font-size:18px;
  border:1px solid var(--amber-line);background:rgba(242,178,62,.07);
}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-state .btn{margin-top:20px}

/* ============ 回放横滑 ============ */
.replay-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.replay-track::-webkit-scrollbar{height:6px}
.replay-track::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:3px}
.replay-track::-webkit-scrollbar-thumb{background:rgba(242,178,62,.32);border-radius:3px}
.replay-card{
  flex:0 0 322px;scroll-snap-align:start;border-radius:var(--r-card);overflow:hidden;
  background:var(--card);border:1px solid var(--amber-line);box-shadow:var(--shadow-dark);
  transition:transform .22s ease,border-color .22s ease;
}
.replay-card:hover{transform:translateY(-2px);border-color:var(--amber-line-strong)}
.replay-thumb{position:relative;aspect-ratio:16/9;background:var(--card-hi)}
.replay-thumb img{width:100%;height:100%;object-fit:cover}
.replay-thumb .badge-ghost{position:absolute;left:12px;top:12px}
.replay-body{padding:18px 20px 22px}
.replay-body h3{font-size:16px;line-height:1.5}
.replay-body p{margin-top:8px;font-size:13px;color:var(--muted)}
@media (max-width:640px){
  .replay-card{flex:0 0 78%}
}

/* ============ 价值 / 服务区 ============ */
.value-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.value-copy h2{font-size:clamp(22px,2.4vw,32px);margin-top:4px}
.value-copy>p{margin-top:16px;font-size:15px;color:var(--text-2);max-width:520px}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2)}
.check-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:10px;height:10px;border-radius:3px;
  background:rgba(242,178,62,.18);border:1px solid rgba(242,178,62,.5);
}
.value-copy .btn{margin-top:30px}
.value-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--amber-line);box-shadow:var(--shadow-dark)}
.value-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.stat-chip{
  position:absolute;left:18px;bottom:18px;display:flex;align-items:baseline;gap:10px;
  padding:12px 18px;border-radius:var(--r-img);background:rgba(11,10,22,.82);
  border:1px solid var(--amber-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.stat-num{font-family:var(--font-serif);font-size:26px;color:var(--amber);line-height:1}
.stat-label{font-size:12px;color:var(--text-2);letter-spacing:.04em}
.stat-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-item{padding:26px 26px 26px 0;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item .stat-num{display:block;font-size:30px}
.stat-item p{margin-top:10px;font-size:14px;color:var(--text-2)}
@media (max-width:900px){
  .value-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  .stat-row{grid-template-columns:1fr}
  .stat-item{padding:20px 0;border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
}

/* ============ FAQ ============ */
.faq-list{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--card);border:1px solid var(--amber-line);box-shadow:var(--shadow-dark);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-family:var(--font-serif);font-size:16px;font-weight:600;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--amber)}
.chev{
  flex:none;width:9px;height:9px;margin-right:5px;
  border-right:1.6px solid var(--amber);border-bottom:1.6px solid var(--amber);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] .chev{transform:rotate(-135deg)}
.faq-item[open] summary{color:var(--amber)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:840px}

/* ============ 底部 CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 48px;border-radius:20px;border:1px solid var(--amber-line);
  background:linear-gradient(118deg,#1E1B3A 0%,#2A2350 100%);box-shadow:var(--shadow-dark);
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px)}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:560px}
@media (max-width:640px){.cta-band{padding:30px 22px}}

/* ============ 页脚 ============ */
.footer{margin-top:var(--sp-section);background:var(--night-deep);border-top:1px solid rgba(242,178,62,.28);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:var(--text-2);max-width:320px}
.footer-title{margin:0 0 16px;font-size:13px;letter-spacing:.06em;color:var(--text);font-family:var(--font-sans);font-weight:500}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col ul a{display:inline-block;font-size:14px;line-height:2;color:var(--text-2);transition:color .2s ease}
.footer-col ul a:hover{color:var(--amber)}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:42px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text);font-size:14px;
  transition:border-color .2s ease;
}
.footer-form input::placeholder{color:var(--muted)}
.footer-form input:focus{outline:none;border-color:var(--amber)}
.footer-hint{margin-top:12px;font-size:12px;color:var(--muted)}
.footer-hint.is-ok{color:#54C7A4}
.footer-hint.is-err{color:var(--rose)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --bg:#14122B;
  --bg-deep:#0B0A16;
  --card:#1E1B3A;
  --card-2:#191634;
  --line:rgba(242,178,62,.12);
  --line-soft:rgba(255,255,255,.08);
  --text:#F6F3EC;
  --text-2:#C9C3B6;
  --muted:#6E6A80;
  --amber:#F2B23E;
  --rose:#E0557A;
  --jade:#5BC8A8;
  --paper:#FBF9F4;
  --paper-text:#241F38;
  --paper-soft:#6B6480;
  --paper-line:#E4DFD2;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-paper:0 4px 16px rgba(36,31,56,.08);
  --rail:240px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;
  line-height:1.7;
  letter-spacing:.01em;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;line-height:1.35;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--amber);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.starfield{background-image:radial-gradient(rgba(246,243,236,.10) 1px,transparent 1px);background-size:22px 22px}

/* ---------- 品牌 ---------- */
.brand{display:flex;gap:10px;align-items:flex-start;color:var(--text);text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--amber);font-size:20px;line-height:1.2}
.brand-text{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-sub{display:block;margin-top:4px;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.04em}

/* ---------- 左侧竖栏 ---------- */
.rail{
  position:fixed;top:0;left:0;width:var(--rail);height:100vh;
  display:flex;flex-direction:column;gap:26px;
  padding:28px 22px;background:var(--bg-deep);
  border-right:1px solid var(--line);z-index:50;overflow-y:auto;
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:block;padding:10px 12px 10px 16px;border-radius:8px;
  color:var(--text-2);font-size:15px;transition:color .18s ease,background .18s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:18px;border-radius:2px;background:var(--amber);transition:transform .18s ease;
}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.04);text-decoration:none}
.nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-item.is-active{color:var(--text);background:rgba(242,178,62,.07)}
.nav-item.is-active::before{transform:translateY(-50%) scaleY(1)}
.rail-extra{display:flex;flex-direction:column;gap:8px;padding-top:6px;border-top:1px solid var(--line-soft)}
.rail-link{font-size:14px;color:var(--text-2)}
.rail-link:hover{color:var(--amber);text-decoration:none}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line-soft)}

/* ---------- 徽标 ---------- */
.badge-live{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--rose);color:#fff;font-size:12px;letter-spacing:.08em;white-space:nowrap;
}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:beat 1.6s ease-in-out infinite}
@keyframes beat{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.badge-outline{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--amber);font-size:12px;letter-spacing:.04em;
}
.badge-muted{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.08);color:var(--text-2);font-size:12px;letter-spacing:.04em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;letter-spacing:.02em;text-decoration:none;
  transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--amber);color:#241F38}
.btn-ghost{background:transparent;border-color:rgba(246,243,236,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-sm{height:36px;padding:0 14px;font-size:13px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:55;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(11,10,22,.94);backdrop-filter:saturate(120%);border-bottom:1px solid var(--line);
}
.topbar .brand-text{font-size:15px}
.topbar .brand-sub{display:none}
.hamburger{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-soft);border-radius:10px;color:var(--text);
}
.hamburger:hover{border-color:var(--amber);color:var(--amber)}
.scrim{position:fixed;inset:0;background:#000;opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:60}
.scrim.is-open{opacity:.6;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,320px);z-index:70;
  background:var(--bg);border-left:1px solid var(--line);padding:20px 18px;
  transform:translateX(102%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;background:transparent;border:1px solid var(--line-soft);color:var(--text)}
.drawer-close:hover{border-color:var(--amber);color:var(--amber)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav .nav-item{font-size:16px;padding:12px}
.drawer-foot{padding-top:18px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:12px}

/* ---------- 页面骨架 ---------- */
.page{margin-left:var(--rail);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:44px 0 40px;
  background-image:linear-gradient(180deg,rgba(11,10,22,.88),rgba(20,18,43,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;border-bottom:1px solid var(--line);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--amber);text-decoration:none}
.crumbs .sep{color:var(--muted)}
.crumbs .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,3.6vw,44px);font-weight:700;letter-spacing:.01em;
  max-width:22ch;color:var(--text);margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.article-meta .dot-sep{color:var(--muted)}

/* ---------- 文章布局 ---------- */
.article-layout{display:block;padding:56px 0 0}
.article-paper{
  background:var(--paper);color:var(--paper-text);
  border-radius:18px;padding:clamp(22px,4vw,48px);
  box-shadow:var(--shadow-paper);border:1px solid rgba(36,31,56,.06);
}
.prose-cn{max-width:720px;margin:0 auto;font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--paper-text)}
.prose-cn p{margin:0 0 1.1em}
.prose-cn h2{font-size:24px;margin:2em 0 .8em;color:var(--paper-text)}
.prose-cn h3{font-size:20px;margin:1.7em 0 .7em;color:var(--paper-text)}
.prose-cn h4{font-size:17px;margin:1.4em 0 .6em;color:var(--paper-text)}
.prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.5em}
.prose-cn ul{list-style:disc}
.prose-cn ol{list-style:decimal}
.prose-cn li{margin:.45em 0}
.prose-cn a{color:#9A6B0F;text-decoration:underline;text-decoration-color:rgba(154,107,15,.35)}
.prose-cn a:hover{color:#B07A12;text-decoration-color:rgba(176,122,18,.7)}
.prose-cn strong{font-weight:600}
.prose-cn blockquote{
  margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--amber);
  background:#F2EFE6;border-radius:0 10px 10px 0;color:#3A3350;
}
.prose-cn img{border-radius:var(--r-img);margin:24px auto;box-shadow:0 4px 16px rgba(36,31,56,.12)}
.prose-cn figure{margin:24px 0}
.prose-cn figcaption{font-size:13px;color:var(--paper-soft);text-align:center;margin-top:8px}
.prose-cn hr{border:0;border-top:1px solid var(--paper-line);margin:2em 0}
.prose-cn table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0}
.prose-cn th,.prose-cn td{border-bottom:1px solid var(--paper-line);padding:10px 12px;text-align:left}
.prose-cn th{color:var(--paper-soft);font-weight:500}
.prose-cn code{background:#EFEBE1;border-radius:6px;padding:2px 6px;font-size:14px}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:520px;margin:0 auto;text-align:center;padding:40px 20px;color:var(--paper-soft);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F2EFE6;color:#9A6B0F;font-size:22px;
}
.empty-state h3{font-size:20px;color:var(--paper-text);margin-bottom:8px}
.empty-state p{font-size:15px;line-height:1.8;margin-bottom:20px}

/* ---------- 相关内容 ---------- */
.related{margin-top:56px}
.related-title{font-size:24px;margin-bottom:6px}
.related-sub{font-size:14px;color:var(--text-2);margin-bottom:24px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:var(--text);
  transition:transform .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.45);text-decoration:none}
.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--card-2)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{
  font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-time{font-size:12px;color:var(--muted);margin-top:auto;letter-spacing:.04em}
.back-link{margin-top:28px;font-size:14px}
.back-link a{color:var(--amber)}

/* ---------- 侧栏目录 ---------- */
.toc-rail{display:none;position:sticky;top:32px;align-self:start}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow);margin-bottom:18px;
}
.toc-title{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:10px}
.toc-list a{font-size:14px;color:var(--text-2);display:block;padding-left:12px;position:relative;transition:color .18s ease}
.toc-list a::before{content:"";position:absolute;left:0;top:9px;width:4px;height:4px;border-radius:50%;background:var(--muted);transition:background .18s ease}
.toc-list a:hover{color:var(--amber);text-decoration:none}
.toc-list a:hover::before{background:var(--amber)}

/* ---------- 底部 CTA ---------- */
.cta-bar{
  margin-top:80px;border-radius:18px;border:1px solid var(--line);overflow:hidden;
  background-image:linear-gradient(90deg,rgba(11,10,22,.92),rgba(30,27,58,.86)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;box-shadow:var(--shadow);
}
.cta-inner{padding:clamp(24px,4vw,44px);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px}
.cta-inner p{font-size:14px;color:var(--text-2);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:96px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.9;color:var(--text-2);max-width:34ch}
.footer-title{font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:13px;letter-spacing:.06em;color:var(--text);margin-bottom:14px;font-weight:500}
.footer-col ul li a{font-size:14px;line-height:2;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--amber);text-decoration:none}
.footer-form{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text);font-size:14px;
  transition:border-color .18s ease;
}
.footer-form input::placeholder{color:var(--muted)}
.footer-form input:focus{outline:none;border-color:var(--amber)}
.footer-hint{margin-top:10px;font-size:12px;color:var(--muted);line-height:1.7}
.footer-hint.is-error{color:var(--rose)}
.footer-hint.is-ok{color:var(--jade)}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}
  .toc-rail{display:block}
}
@media (max-width:1279px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .rail{display:none}
  .topbar{display:flex}
  .page{margin-left:0;padding-top:56px}
  .article-hero{padding:32px 0 30px}
  .article-layout{padding-top:40px}
  .footer{margin-top:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .shell{padding:0 16px}
  .article-meta{gap:8px}
  .article-title{max-width:100%}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --night:#14122B;
  --night-deep:#0B0A16;
  --card:#1E1B3A;
  --line:rgba(242,178,62,.12);
  --line-strong:rgba(242,178,62,.38);
  --text:#F6F3EC;
  --muted:#C9C3B6;
  --disabled:#6E6A80;
  --amber:#F2B23E;
  --rose:#E0557A;
  --paper:#FBF9F4;
  --ink:#241F38;
  --link-hover:#B07A12;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-dark:0 8px 28px rgba(0,0,0,.45);
  --shadow-paper:0 4px 16px rgba(36,31,56,.08);
  --sidebar-w:240px;
  --ease:cubic-bezier(.4,0,.2,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--night);
  background-image:radial-gradient(rgba(246,243,236,.10) 1px,transparent 1px);
  background-size:34px 34px;
  min-height:100vh;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.35;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
iframe{border:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 布局骨架 ---------- */
.app-shell{display:flex;min-height:100vh;align-items:stretch}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 22px;
  background:var(--night-deep);
  border-right:1px solid var(--line);
  z-index:60;overflow-y:auto;
}
.main{flex:1;min-width:0;margin-left:var(--sidebar-w);display:flex;flex-direction:column}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 品牌 ---------- */
.brand{display:flex;gap:10px;align-items:flex-start;padding:4px 6px 14px;border-bottom:1px solid var(--line)}
.brand-mark{color:var(--amber);font-size:17px;line-height:1.3;flex:0 0 auto}
.brand-text{
  display:flex;flex-direction:column;gap:4px;
  font-family:var(--font-serif);font-size:17px;font-weight:600;
  color:var(--text);letter-spacing:.02em;
}
.brand-sub{font-family:var(--font-sans);font-size:11px;font-weight:400;color:var(--disabled);letter-spacing:.06em}

/* ---------- 侧栏导航 ---------- */
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav-label{font-size:12px;letter-spacing:.1em;color:var(--disabled);padding:0 18px 8px}
.nav-item{
  position:relative;display:block;
  padding:10px 14px 10px 20px;
  color:var(--muted);font-size:15px;border-radius:10px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--amber);
  transition:height .2s var(--ease);
}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-item:hover::before{height:16px}
.nav-item.is-active{color:var(--text);background:rgba(242,178,62,.08)}
.nav-item.is-active::before{height:18px}

.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.status-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--rose);
  box-shadow:0 0 0 4px rgba(224,85,122,.16);animation:beat 2s infinite var(--ease);
}
@keyframes beat{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.side-hint{font-size:12px;color:var(--disabled);line-height:1.7}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(11,10,22,.96);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand{padding:0;border-bottom:0;align-items:center}
.mobile-bar .brand-text{font-size:15px}
.mobile-bar .brand-sub{display:none}
.hamburger{
  width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(246,243,236,.2);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.hamburger:hover{border-color:var(--line-strong);background:rgba(242,178,62,.08)}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;
  background:var(--night-deep);border-left:1px solid var(--line);
  z-index:90;padding:22px 18px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .28s var(--ease);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:10px;cursor:pointer;
  border:1px solid rgba(246,243,236,.2);background:transparent;font-size:18px;color:var(--muted);
}
.drawer-close:hover{border-color:var(--line-strong);color:var(--text)}
.overlay{
  position:fixed;inset:0;background:#000;opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);z-index:80;
}
.overlay.is-open{opacity:.6;pointer-events:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--amber);color:#1A1630}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{border-color:rgba(246,243,236,.24);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(242,178,62,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 标签与徽标 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;letter-spacing:.04em;
  border:1px solid var(--line-strong);color:var(--amber);background:rgba(242,178,62,.06);
}
.tag-mute{border-color:rgba(246,243,236,.16);color:var(--muted);background:rgba(255,255,255,.04)}
.tag-live{background:var(--rose);border-color:var(--rose);color:#fff}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 12px;font-size:12px;letter-spacing:.06em;
}
.badge-outline{border:1px solid var(--line-strong);color:var(--amber);background:rgba(242,178,62,.06)}
.badge-solid{background:var(--rose);color:#fff}
.badge-mute{background:rgba(246,243,236,.08);color:var(--muted)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb a:hover{color:var(--amber);border-bottom-color:rgba(242,178,62,.5)}
.breadcrumb .sep{color:var(--disabled)}
.breadcrumb .current{color:var(--text)}

/* ---------- Hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:var(--night-deep);border-bottom:1px solid var(--line)}
.hero-cat-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.3;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,10,22,.55) 0%,rgba(20,18,43,.9) 60%,var(--night) 100%);
}
.hero-cat .shell{position:relative;z-index:2;padding-top:30px;padding-bottom:58px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 18px}
.hero-title{font-size:clamp(28px,4vw,44px);letter-spacing:.01em;color:var(--text);max-width:860px}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:700px}
.hero-lead{margin-top:18px;font-size:15px;color:var(--muted);max-width:780px;display:grid;gap:10px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 统计条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-dark);
}
.stat{background:var(--card);padding:20px 22px}
.stat-num{font-family:var(--font-mono);font-size:26px;color:var(--amber);line-height:1.2}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- 板块 ---------- */
.section{padding:76px 0}
.section-head{max-width:780px;margin-bottom:36px}
.section-eyebrow{font-size:12px;letter-spacing:.16em;color:var(--amber)}
.section-title{font-size:clamp(22px,2.6vw,32px);margin-top:12px;color:var(--text)}
.section-desc{margin-top:14px;color:var(--muted);font-size:15px}
.section-tight{padding-top:0}

/* ---------- 左右分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
  background:var(--card);
}
.split-body{display:grid;gap:18px}

/* ---------- 准备清单 ---------- */
.check-list{display:grid;gap:14px}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:18px 20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-dark);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.check-item:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.check-idx{font-family:var(--font-mono);font-size:15px;color:var(--amber);letter-spacing:.06em;padding-top:2px}
.check-item h3{font-size:17px;color:var(--text);margin-bottom:6px}
.check-item p{font-size:14px;color:var(--muted)}

/* ---------- 交错长条列表 ---------- */
.zz-list{display:grid;gap:26px}
.zz-item{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:28px;align-items:center;
  padding:24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-dark);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.zz-item:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.zz-item.is-flip{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
.zz-item.is-flip .zz-media{order:-1}
.zz-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);background:var(--card);border:1px solid var(--line);
}
.zz-body h3{font-size:20px;color:var(--text);margin-bottom:10px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.zz-body p{font-size:14.5px;color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--disabled);margin-top:14px}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--disabled)}
.zz-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;color:var(--amber);
  border-bottom:1px solid rgba(242,178,62,.4);
  padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.zz-link:hover{color:#FFD57A;border-bottom-color:#FFD57A}

/* ---------- 步骤 ---------- */
.steps{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.step:hover{background:rgba(242,178,62,.04)}
.step-num{font-family:var(--font-mono);font-size:26px;color:var(--amber);line-height:1.1;letter-spacing:.04em}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);max-width:660px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-dark);overflow:hidden;
  transition:border-color .22s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-family:var(--font-serif);font-size:16px;color:var(--text);cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--amber)}
.faq-plus{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--amber);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--night-deep);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-dark);
  padding:42px;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(20px,2.4vw,28px)}
.cta-band p{color:var(--muted);margin-top:10px;font-size:15px;max-width:580px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:auto;background:var(--night-deep);
  border-top:1px solid rgba(242,178,62,.24);
  padding:56px 0 26px;
}
.footer .brand{padding:0 0 14px;border-bottom:0}
.footer .brand-text{font-size:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-desc{font-size:14px;color:var(--muted);margin-top:14px;max-width:360px;line-height:1.9}
.footer-title{
  font-family:var(--font-sans);font-weight:500;
  font-size:13px;letter-spacing:.06em;color:var(--text);margin-bottom:14px;
}
.footer-col ul{display:grid;gap:8px}
.footer-col a{font-size:14px;color:var(--muted);line-height:2;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--amber)}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);
  color:var(--text);outline:none;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.footer-form input::placeholder{color:var(--disabled)}
.footer-form input:focus{border-color:var(--amber);background:rgba(255,255,255,.06)}
.footer-form .btn{height:48px;flex:0 0 auto}
.footer-hint{font-size:12px;color:var(--disabled);margin-top:10px;line-height:1.7}
.footer-hint.is-ok{color:#5FD0B0}
.footer-hint.is-error{color:var(--rose)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--disabled);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .shell{padding:0 16px}
  .section{padding:56px 0}
  .hero-cat .shell{padding-top:24px;padding-bottom:44px}
}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:28px}
  .zz-item,.zz-item.is-flip{grid-template-columns:1fr;gap:20px}
  .zz-item.is-flip .zz-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .stat-strip{grid-template-columns:1fr}
  .step{grid-template-columns:52px minmax(0,1fr);gap:16px}
  .cta-band{padding:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .zz-item{padding:18px}
}

/* roulang page: category2 */
:root{
  --night:#14122B;
  --night-deep:#0B0A16;
  --card:#1E1B3A;
  --ink:#F6F3EC;
  --ink-2:#C9C3B6;
  --ink-3:#6E6A80;
  --amber:#F2B23E;
  --amber-soft:rgba(242,178,62,.12);
  --rose:#E0557A;
  --mint:#5FD2B0;
  --paper:#FBF9F4;
  --line:rgba(242,178,62,.12);
  --line-soft:rgba(255,255,255,.08);
  --radius:14px;
  --radius-btn:10px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --sb:240px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:"SFMono-Regular","JetBrains Mono","Roboto Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--night);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.78;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 布局骨架 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sb);
  display:flex;flex-direction:column;gap:24px;
  padding:26px 20px 24px;
  background:var(--night-deep);
  border-right:1px solid var(--line);
  z-index:80;
}
.brand{display:flex;gap:10px;align-items:flex-start}
.brand-mark{color:var(--amber);font-size:18px;line-height:1.3}
.brand-text{
  display:flex;flex-direction:column;gap:4px;
  font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);
}
.brand-sub{
  font-family:var(--font-sans);font-size:11px;font-weight:400;
  letter-spacing:.06em;color:var(--ink-3);
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:block;
  padding:11px 12px 11px 16px;
  font-size:14px;color:var(--ink-2);border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:0;border-radius:2px;background:var(--amber);
  transform:translateY(-50%);
  transition:height .22s ease;
}
.nav-item:hover{color:var(--ink);background:rgba(255,255,255,.045)}
.nav-item:hover::before{height:16px}
.nav-item.is-active{color:var(--ink);font-weight:500}
.nav-item.is-active::before{height:18px}
.side-extra{display:flex;flex-direction:column;gap:2px;padding-top:16px;border-top:1px solid var(--line-soft)}
.side-extra a{font-size:13px;color:var(--ink-3);padding:7px 16px;border-radius:8px}
.side-extra a:hover{color:var(--amber);background:rgba(255,255,255,.04)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.status .dot{
  width:8px;height:8px;border-radius:50%;background:var(--rose);flex:none;
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(224,85,122,.55)}
  70%{box-shadow:0 0 0 10px rgba(224,85,122,0)}
  100%{box-shadow:0 0 0 0 rgba(224,85,122,0)}
}
.side-note{font-size:11px;color:var(--ink-3);line-height:1.7}

.main{margin-left:var(--sb);min-width:0}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

.topbar{display:none}
.scrim{
  position:fixed;inset:0;background:#000;opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:70;
}
.scrim.is-open{opacity:.6;visibility:visible}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn:active{transform:translateY(0);filter:brightness(.97)}
.btn-primary{background:var(--amber);color:#231A05}
.btn-primary:hover{color:#231A05}
.btn-ghost{border-color:rgba(246,243,236,.28);color:var(--ink)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:9px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;filter:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;border:1px solid var(--line);color:var(--ink-2);
}
.badge-amber{border-color:rgba(242,178,62,.45);color:var(--amber);background:var(--amber-soft)}
.badge-live{background:var(--rose);border-color:transparent;color:#fff}

.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(11,10,22,.55),rgba(20,18,43,0))}
.section-head{max-width:660px;margin-bottom:40px}
.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--amber)}
.section-title{font-size:32px;margin-top:12px}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.4)}

.divider{height:1px;background:var(--line-soft);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{position:relative;padding:76px 0 64px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.38;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,10,22,.74),rgba(20,18,43,.97));
}
.hero .shell{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.crumbs a:hover{color:var(--amber)}
.crumbs span.sep{color:var(--ink-3)}
.crumbs .current{color:var(--ink-2)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.hero h1{
  font-size:clamp(28px,3.2vw,44px);
  margin:18px 0 0;
  line-height:1.3;
}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero-lead{margin-top:20px;color:var(--ink-2);font-size:16px;line-height:1.9;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:16/10;filter:saturate(1.02)}
.hero-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:12px;color:var(--ink-2);
  background:linear-gradient(180deg,rgba(11,10,22,0),rgba(11,10,22,.9));
}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.stat{
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(30,27,58,.62);
}
.stat-num{font-family:var(--font-mono);font-size:26px;color:var(--amber);letter-spacing:.02em;line-height:1.2}
.stat-label{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-top:6px}

/* ---------- 提醒方式列表 ---------- */
.channel-list{display:flex;flex-direction:column;gap:14px}
.channel{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  padding:24px 26px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(30,27,58,.92),rgba(30,27,58,.45));
  transition:transform .2s ease,border-color .2s ease;
}
.channel:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.42)}
.channel-idx{font-family:var(--font-mono);font-size:20px;color:var(--amber);letter-spacing:.04em}
.channel h3{font-size:17px}
.channel p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.85;max-width:720px}
.channel-arrow{color:var(--ink-3);transition:transform .2s ease,color .2s ease}
.channel:hover .channel-arrow{color:var(--amber);transform:translateX(4px)}

/* ---------- 时间轴 ---------- */
.timeline-wrap{
  border:1px solid var(--line);border-radius:18px;background:rgba(30,27,58,.42);
  padding:44px 40px;
}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(242,178,62,.55),rgba(255,255,255,.06));
}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;
  width:11px;height:11px;border-radius:50%;
  background:var(--night);border:2px solid rgba(242,178,62,.45);
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.tl-item:hover::before{
  background:var(--amber);border-color:var(--amber);
  box-shadow:0 0 0 5px rgba(242,178,62,.14);
}
.tl-time{
  display:inline-block;font-family:var(--font-mono);font-size:13px;
  letter-spacing:.08em;color:var(--amber);
}
.tl-title{font-size:18px;margin-top:8px}
.tl-text{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.9;max-width:680px}

/* ---------- 订阅表单 ---------- */
.subscribe{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  padding:46px;border:1px solid var(--line);border-radius:18px;
  background:linear-gradient(135deg,rgba(30,27,58,.96),rgba(20,18,43,.88));
}
.subscribe h2{font-size:28px}
.subscribe p.lead{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.9}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
  color:var(--ink);transition:border-color .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:var(--ink-3)}
.sub-form input:focus{border-color:var(--amber);outline:none;background:rgba(255,255,255,.07)}
.form-hint{margin-top:12px;font-size:12px;color:var(--ink-3);line-height:1.8}
.form-hint.is-error{color:var(--rose);font-size:13px}
.form-hint.is-ok{color:var(--mint);font-size:13px}
.method-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.method-row .badge{height:28px}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split-card{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;padding:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease;
}
.split-card:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.4)}
.split-card img{width:100%;aspect-ratio:4/3}
.split-body{padding:24px 26px 28px}
.split-body h3{font-size:18px}
.split-body p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.9}
.split-meta{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);letter-spacing:.06em}

/* ---------- FAQ ---------- */
.faq{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);overflow:hidden;box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:500;cursor:pointer;
  list-style:none;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--amber)}
.faq-ico{position:relative;flex:none;width:16px;height:16px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--amber);border-radius:2px}
.faq-ico::before{left:0;top:7px;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s ease,opacity .2s ease}
.faq-item[open] .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 24px 22px;font-size:14px;color:var(--ink-2);line-height:1.95;max-width:820px}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding:42px 46px;border-radius:18px;border:1px solid rgba(242,178,62,.3);
  background:linear-gradient(120deg,rgba(242,178,62,.15),rgba(224,85,122,.1) 58%,rgba(30,27,58,.7));
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:14px}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--night-deep);border-top:1px solid rgba(242,178,62,.28);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-title{
  font-family:var(--font-sans);font-size:13px;font-weight:500;
  letter-spacing:.06em;color:var(--ink);margin-bottom:14px;
}
.footer-desc{margin-top:16px;max-width:330px;font-size:13px;line-height:1.95;color:var(--ink-3)}
.footer-col ul{display:flex;flex-direction:column}
.footer-col li a{display:inline-block;font-size:14px;line-height:2;color:var(--ink-2)}
.footer-col li a:hover{color:var(--amber)}
.footer-form{display:flex;gap:8px;margin-top:2px}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 12px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
  color:var(--ink);transition:border-color .2s ease;
}
.footer-form input::placeholder{color:var(--ink-3);font-size:13px}
.footer-form input:focus{border-color:var(--amber);outline:none}
.footer-hint{margin-top:10px;font-size:12px;color:var(--ink-3);line-height:1.8}
.footer-hint.is-error{color:var(--rose)}
.footer-hint.is-ok{color:var(--mint)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-soft);
  font-size:12px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .shell{max-width:100%;padding:0 28px}
}
@media (max-width:1023px){
  .sidebar{
    left:auto;right:0;top:0;bottom:0;width:290px;
    padding:24px 20px;border-right:0;border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .brand{display:none}
  .sidebar .side-nav{margin-top:12px}
  .main{margin-left:0;padding-top:56px}
  .topbar{
    position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 18px;background:rgba(11,10,22,.95);
    border-bottom:1px solid var(--line);
  }
  .topbar .brand-text{font-size:15px}
  .topbar .brand-sub{font-size:10px}
  .menu-btn{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:38px;border:1px solid var(--line);border-radius:9px;padding:0 11px;
  }
  .menu-btn span{display:block;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .menu-btn.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .menu-btn.is-open span:nth-child(2){opacity:0}
  .menu-btn.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .hero{padding:56px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .section{padding:72px 0}
}
@media (max-width:900px){
  .stats{grid-template-columns:1fr 1fr}
  .subscribe{grid-template-columns:1fr;padding:32px}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .timeline-wrap{padding:32px 26px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
}
@media (max-width:640px){
  .shell{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:23px}
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .stats{grid-template-columns:1fr}
  .channel{grid-template-columns:44px 1fr;gap:14px;padding:20px}
  .channel-arrow{display:none}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .subscribe h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
  .timeline{padding-left:28px}
  .timeline::before{left:7px}
  .tl-item::before{left:-26px}
  .faq-item summary{font-size:15px;padding:18px 18px}
  .faq-body{padding:0 18px 20px}
}

/* roulang page: category3 */
:root{
  --night:#14122B;
  --night-deep:#0B0A16;
  --card:#1E1B3A;
  --card-soft:rgba(30,27,58,.62);
  --ink:#F6F3EC;
  --ink-2:#C9C3B6;
  --ink-3:#6E6A80;
  --amber:#F2B23E;
  --amber-deep:#B07A12;
  --rose:#E0557A;
  --paper:#FBF9F4;
  --paper-ink:#241F38;
  --line:rgba(242,178,62,.12);
  --line-2:rgba(255,255,255,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 8px 28px rgba(0,0,0,.45);
  --shadow-paper:0 4px 16px rgba(36,31,56,.08);
  --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--night);
  background-image:radial-gradient(rgba(246,243,236,.055) 1px,transparent 1px);
  background-size:26px 26px;
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,button,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 左侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:70;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 18px;
  background:var(--night-deep);
  border-right:1px solid var(--line);
}
.side-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.brand{display:flex;gap:10px;align-items:flex-start;color:var(--ink)}
.brand-mark{color:var(--amber);font-size:18px;line-height:1.25}
.brand-text{font-family:var(--serif);font-weight:700;font-size:17px;line-height:1.35}
.brand-sub{display:block;font-family:var(--sans);font-weight:400;font-size:11px;color:var(--ink-3);letter-spacing:.05em;margin-top:5px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  color:var(--ink);font-size:17px;cursor:pointer;transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--amber);background:rgba(242,178,62,.1)}
.side-body{display:flex;flex-direction:column;gap:22px;flex:1;min-height:0;overflow-y:auto}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:block;padding:10px 12px 10px 18px;
  border-radius:8px;color:var(--ink-2);font-size:15px;
  transition:color .18s ease,background .18s ease;
}
.nav-item::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--amber);border-radius:2px;
  transition:height .2s ease;
}
.nav-item:hover{color:var(--ink);background:rgba(255,255,255,.045)}
.nav-item:hover::before{height:16px}
.nav-item.is-active{color:var(--ink);background:rgba(242,178,62,.07)}
.nav-item.is-active::before{height:18px}
.side-extra{display:flex;flex-wrap:wrap;gap:8px;padding-top:16px;border-top:1px solid var(--line-2)}
.pill-link{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;
  border:1px solid var(--line-2);border-radius:999px;
  font-size:13px;color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pill-link:hover{border-color:var(--amber);color:var(--ink);background:rgba(242,178,62,.08)}
.side-foot{margin-top:auto;display:grid;gap:12px;padding-top:16px;border-top:1px solid var(--line-2)}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;letter-spacing:.05em;white-space:nowrap;
}
.badge-outline{border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.02)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;flex:none}
.badge-live{background:var(--rose);color:#fff;border:1px solid var(--rose)}
.badge-live .dot{background:#fff;animation:breath 1.8s ease-in-out infinite}
@keyframes breath{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}
.scrim{position:fixed;inset:0;background:#0B0A16;opacity:.6;z-index:65;border:0;padding:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:500;
  cursor:pointer;transition:transform .18s ease,filter .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--amber);color:#241F38}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:none}
.btn-ghost{border-color:rgba(242,178,62,.45);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--amber);background:rgba(242,178,62,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}

/* ============ 主内容 ============ */
.main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 380px at 12% 18%,rgba(242,178,62,.12),transparent 68%),
    linear-gradient(180deg,rgba(11,10,22,.62) 0%,rgba(20,18,43,.86) 58%,var(--night) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 68px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.crumbs a{color:var(--ink-2);border-bottom:1px solid rgba(242,178,62,.28);padding-bottom:1px;transition:color .18s ease,border-color .18s ease}
.crumbs a:hover{color:var(--amber);border-color:var(--amber)}
.crumbs .sep{color:var(--ink-3)}
.crumbs .current{color:var(--ink-2)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:rgba(11,10,22,.5);
  font-size:12px;letter-spacing:.06em;color:var(--ink-2);margin-bottom:22px;
}
.hero-title{
  font-size:clamp(28px,4.4vw,46px);line-height:1.28;font-weight:700;
  max-width:19em;margin-bottom:18px;
}
.hero-title em{font-style:normal;color:var(--amber)}
.hero-sub{font-size:clamp(15px,1.5vw,17px);color:var(--ink-2);max-width:38em;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-note{margin-top:18px;font-size:13px;color:var(--ink-3)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-tight{padding:56px 0 0}
.section-paper{background:var(--paper);color:var(--paper-ink);border-radius:24px;box-shadow:var(--shadow-paper)}
.sec-head{max-width:44em;margin-bottom:40px}
.kicker{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--amber);margin-bottom:12px;font-family:var(--sans)}
.sec-title{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.sec-desc{color:var(--ink-2);font-size:15px;line-height:1.85}
.section-paper .sec-desc{color:#5A5470}

/* 数据条 */
.stat-row{
  display:flex;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card-soft);box-shadow:var(--shadow-card);overflow:hidden;
}
.stat{flex:1 1 200px;padding:26px 24px;border-right:1px solid var(--line-2)}
.stat:last-child{border-right:0}
.stat-num{display:block;font-family:var(--mono);font-size:clamp(30px,3.6vw,42px);color:var(--amber);line-height:1.1;letter-spacing:.01em}
.stat-num small{font-size:15px;font-family:var(--sans);color:var(--ink-2);margin-left:4px}
.stat-label{display:block;margin-top:10px;font-size:13px;color:var(--ink-2);letter-spacing:.04em}

/* 导语 图文 */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.lead{font-size:17px;line-height:1.95;color:var(--ink)}
.lead + .lead{margin-top:18px;color:var(--ink-2);font-size:15px}
.intro-list{margin-top:26px;display:grid;gap:12px}
.intro-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.intro-list li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:1px;background:var(--amber)}
.intro-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.intro-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.intro-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:var(--ink-2);
  background:linear-gradient(180deg,transparent,rgba(11,10,22,.9));
}

/* 大图卡网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.fig-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.fig-card:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.5)}
.fig-thumb{position:relative;display:block;background:var(--card)}
.fig-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.fig-badge{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:999px;background:rgba(11,10,22,.78);border:1px solid var(--line);
  font-size:12px;color:var(--ink);letter-spacing:.04em;
}
.fig-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.fig-title{font-size:18px;line-height:1.5}
.fig-title a{transition:color .18s ease}
.fig-card:hover .fig-title a{color:var(--amber)}
.fig-desc{font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.fig-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line-2);font-size:13px;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--ink-2)}
.arrow{margin-left:auto;color:var(--amber);transition:transform .2s ease}
.fig-card:hover .arrow{transform:translateX(3px)}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:26px 22px;
  background:var(--card-soft);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-2px);border-color:rgba(242,178,62,.42)}
.step-num{font-family:var(--mono);font-size:26px;color:var(--amber);letter-spacing:.06em}
.step-title{font-size:16px;margin:12px 0 8px}
.step-desc{font-size:13.5px;color:var(--ink-2);line-height:1.8}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;margin-top:8px}
.scene-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line-2)}
.scene-item .mark{flex:none;width:30px;height:30px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--amber);font-size:14px}
.scene-item h3{font-size:15.5px;margin-bottom:4px}
.scene-item p{font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* 相关入口 */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill-row a{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border:1px solid var(--line-2);border-radius:999px;font-size:14px;color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.pill-row a:hover{border-color:var(--amber);color:var(--ink);background:rgba(242,178,62,.08);transform:translateY(-1px)}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:rgba(242,178,62,.38)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;color:var(--ink);font-family:var(--serif);font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.sign{flex:none;width:24px;height:24px;position:relative;color:var(--amber);transition:transform .2s ease}
.sign::before,.sign::after{position:absolute;left:50%;top:50%;content:"";background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.sign::before{width:12px;height:1.6px}
.sign::after{width:1.6px;height:12px;transition:opacity .2s ease}
.faq-item[open] .sign{transform:rotate(180deg)}
.faq-item[open] .sign::after{opacity:0}
.faq-a{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.9;border-top:1px solid var(--line-2);padding-top:16px;margin:0 22px 20px;padding-left:0;padding-right:0}

/* CTA */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  background:linear-gradient(120deg,rgba(30,27,58,.95),rgba(11,10,22,.95));
  border:1px solid var(--line);border-radius:20px;padding:38px 34px;box-shadow:var(--shadow-card);
}
.cta-text h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-text p{color:var(--ink-2);font-size:14.5px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.footer{margin-top:auto;background:var(--night-deep);border-top:1px solid rgba(242,178,62,.28);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-desc{margin-top:16px;font-size:13.5px;color:var(--ink-2);line-height:1.9;max-width:26em}
.footer-title{font-size:13px;letter-spacing:.06em;color:var(--ink);margin-bottom:16px;font-family:var(--sans);font-weight:500}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .18s ease}
.footer-col a:hover{color:var(--amber)}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:9px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);
  color:var(--ink);font-size:14px;transition:border-color .18s ease,background .18s ease;
}
.footer-form input::placeholder{color:var(--ink-3)}
.footer-form input:focus{outline:none;border-color:var(--amber);background:rgba(242,178,62,.06)}
.footer-hint{margin-top:12px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
.footer-hint.is-ok{color:#57C9A8}
.footer-hint.is-err{color:var(--rose)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .intro-grid{gap:36px}
}
@media (max-width:1023px){
  .sidebar{
    inset:0 0 auto 0;width:100%;height:56px;flex-direction:row;align-items:center;
    padding:0 16px;gap:12px;border-right:0;border-bottom:1px solid var(--line);
  }
  .side-top{flex:1;align-items:center}
  .brand-text{font-size:15.5px}
  .brand-sub{display:none}
  .nav-toggle{display:inline-flex}
  .side-body{
    position:fixed;top:0;right:0;height:100vh;width:286px;max-width:84vw;
    background:var(--night-deep);border-left:1px solid var(--line);
    padding:76px 20px 26px;gap:20px;
    transform:translateX(102%);transition:transform .28s ease;
  }
  .side-body.is-open{transform:translateX(0)}
  .main{margin-left:0;padding-top:56px}
  .hero-inner{padding:48px 0 52px}
  .section{padding:64px 0}
  .section-tight{padding:40px 0 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .shell{padding:0 16px}
  .hero-inner{padding:36px 0 44px}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .section-tight{padding:32px 0 0}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .grid-2{grid-template-columns:1fr;gap:20px}
  .scene-grid{grid-template-columns:1fr}
  .stat{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line-2)}
  .stat:last-child{border-bottom:0}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-form{flex-wrap:wrap}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .hero-title{font-size:26px}
  .faq-item summary{font-size:15px;padding:16px 16px}
  .faq-a{margin:0 16px 16px;padding-top:14px}
}