/* roulang page: index */
:root{
  --bg-deep:#0B0918;
  --surface-1:#14102A;
  --surface-2:#1D1740;
  --brand-600:#4B3BD8;
  --brand-400:#7A6CF0;
  --accent-500:#35E0B8;
  --highlight:#FFC96B;
  --paper:#F6F5FA;
  --card:#FFFFFF;
  --ink-900:#100D22;
  --ink-600:#4A4660;
  --ink-400:#8A86A0;
  --line:#E6E4F0;
  --line-dark:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-card:0 1px 2px rgba(16,13,34,.04), 0 12px 32px -12px rgba(16,13,34,.12);
  --sidebar-w:236px;
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink-600);background:var(--paper);-webkit-font-smoothing:antialiased;}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
::selection{background:rgba(53,224,184,.28)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface-1);border-right:1px solid var(--line-dark);
  display:flex;flex-direction:column;padding:20px 14px;z-index:70;overflow-y:auto;
}
.sidebar__logo{display:flex;align-items:center;gap:10px;height:48px;padding:0 8px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em}
.sidebar__logo svg{flex:none}
.sidebar__nav{margin-top:26px;display:flex;flex-direction:column;gap:4px}
.sidebar__link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;font-size:14.5px;color:rgba(255,255,255,.66);
  transition:background .2s ease,color .2s ease;
}
.sidebar__link::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.sidebar__link i{width:18px;text-align:center;font-size:15px}
.sidebar__link:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar__link.is-active{background:rgba(255,255,255,.06);color:#fff}
.sidebar__link.is-active::before{background:var(--accent-500)}
.sidebar__foot{margin-top:auto;padding-top:28px;border-top:1px solid var(--line-dark)}
.sidebar__foot .btn{width:100%}
.sidebar__note{margin-top:12px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.42)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,box-shadow .2s ease,transform .12s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:linear-gradient(135deg,var(--brand-600),#6A5AEA);color:#fff;box-shadow:0 16px 32px -18px rgba(75,59,216,.95)}
.btn--primary:hover{background:linear-gradient(135deg,#5A49E6,#7B6CF3);box-shadow:0 0 0 4px rgba(53,224,184,.2),0 18px 34px -18px rgba(75,59,216,.95)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.24)}
.btn--ghost:hover{border-color:var(--accent-500);color:var(--accent-500);box-shadow:0 0 0 4px rgba(53,224,184,.14)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:#fff;color:var(--ink-900);border:1px solid var(--line)}
.btn--light:hover{border-color:var(--accent-500);color:var(--brand-600);box-shadow:0 0 0 4px rgba(53,224,184,.16)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:80;height:56px;
  background:rgba(11,9,24,.96);backdrop-filter:blur(8px);
  align-items:center;justify-content:space-between;padding:0 16px;
  border-bottom:1px solid var(--line-dark);
}
.topbar__logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:800;font-size:17px}
.topbar__burger{width:44px;height:44px;display:grid;place-items:center;color:#fff;font-size:18px;border-radius:10px}
.topbar__burger:hover{background:rgba(255,255,255,.08)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:var(--surface-1);z-index:110;transform:translateX(100%);
  transition:transform .3s ease;padding:14px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 8px;color:#fff;font-weight:800}
.drawer__close{width:44px;height:44px;display:grid;place-items:center;border-radius:10px;color:#fff;font-size:18px}
.drawer__close:hover{background:rgba(255,255,255,.08)}
.drawer__link{
  position:relative;display:flex;align-items:center;gap:12px;min-height:48px;padding:0 12px;
  border-radius:10px;color:rgba(255,255,255,.72);font-size:15px;
}
.drawer__link i{width:18px;text-align:center;font-size:15px}
.drawer__link:hover,.drawer__link.is-active{background:rgba(255,255,255,.07);color:#fff}
.drawer__link.is-active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--accent-500)}
.drawer__foot{margin-top:auto;padding-top:20px}
.drawer__foot .btn{width:100%}
.scrim{position:fixed;inset:0;background:rgba(11,9,24,.6);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:100}
.scrim.is-open{opacity:1;visibility:visible}

/* ============ 主区域与 Hero ============ */
.main{margin-left:var(--sidebar-w)}
.hero{position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;padding:96px 0 88px}
.hero__bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.30}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 32% 68%,rgba(255,255,255,.38),transparent 60%),
    radial-gradient(1.8px 1.8px at 58% 16%,rgba(53,224,184,.5),transparent 60%),
    radial-gradient(1.4px 1.4px at 74% 58%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.6px 1.6px at 88% 32%,rgba(122,108,240,.55),transparent 60%);
  animation:drift 8s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translate3d(0,0,0);opacity:.85}
  to{transform:translate3d(-12px,-10px,0);opacity:1}
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent-500)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent-500)}
.hero h1{color:#fff;font-size:52px;line-height:1.15;margin-top:20px;max-width:14em}
.hero__sub{margin-top:20px;font-size:18px;line-height:1.7;color:rgba(255,255,255,.76);max-width:32em}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:46px;padding-top:26px;border-top:1px solid var(--line-dark);max-width:540px;
}
.stat__num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:#fff;letter-spacing:-.02em}
.stat__num span{font-size:15px;font-weight:600;color:rgba(255,255,255,.6);margin-left:4px;letter-spacing:0}
.stat__label{margin-top:4px;font-size:13px;color:rgba(255,255,255,.55)}
.hero__kv{margin:0}
.hero__kv img{border-radius:20px;box-shadow:0 40px 70px -40px rgba(0,0,0,.85)}

/* ============ 板块通用 ============ */
.section{padding:96px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section--deep{background:var(--bg-deep);color:rgba(255,255,255,.72)}
.section--deep h2,.section--deep h3{color:#fff}
.section__head{max-width:760px;margin-bottom:52px}
.section__head h2{font-size:36px}
.section__head p{margin-top:16px;font-size:16.5px;line-height:1.8}

/* ============ 玩法流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding-right:32px}
.step__idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-400)}
.step__icon{
  width:52px;height:52px;margin-top:10px;border-radius:16px;display:grid;place-items:center;
  font-size:22px;background:#fff;border:1px solid var(--line);color:var(--brand-600);
  transition:background .35s ease,color .35s ease,box-shadow .35s ease,transform .35s ease;
}
.step.is-lit .step__icon{background:linear-gradient(135deg,var(--brand-600),#6A5AEA);color:#fff;border-color:transparent;box-shadow:0 16px 30px -18px rgba(75,59,216,.95)}
.step h3{margin-top:20px;font-size:20px}
.step p{margin-top:10px;font-size:15px;line-height:1.78}
.step:not(:last-child)::after{
  content:"";position:absolute;top:58px;left:62px;right:22px;height:1px;
  background:linear-gradient(90deg,rgba(122,108,240,.42),rgba(53,224,184,.36));
  opacity:.35;transition:opacity .5s ease;
}
.step.is-lit:not(:last-child)::after{opacity:1}

/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reward-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .5s ease,border-color .3s ease,box-shadow .5s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--accent-500)}
.reward-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.reward-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.reward-card:hover .reward-card__media img{transform:scale(1.03)}
.badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--highlight);
  background:rgba(11,9,24,.66);border:1px solid rgba(255,201,107,.42);
}
.reward-card__body{padding:24px;display:flex;flex-direction:column;flex:1}
.reward-card__body h3{font-size:20px}
.reward-card__body p{margin-top:10px;font-size:15px;line-height:1.78}
.reward-card__meta{display:flex;gap:18px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.reward-card__meta div{font-size:13px;color:var(--ink-400)}
.reward-card__meta b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:18px;color:var(--ink-900)}
.reward-card__link{margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:8px}
.reward-card__link i{transition:transform .25s ease}
.reward-card:hover .reward-card__link i{transform:translateX(4px)}

/* ============ 任务进度 ============ */
.progress-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}
.milestone{display:flex;gap:14px;padding:15px 0;align-items:flex-start;border-bottom:1px solid var(--line-dark)}
.milestone:last-child{border-bottom:none}
.ms-dot{
  flex:none;width:20px;height:20px;margin-top:5px;border-radius:50%;
  display:grid;place-items:center;font-size:9px;
  border:1px solid rgba(255,255,255,.22);color:transparent;background:transparent;
}
.milestone.is-done .ms-dot{background:var(--accent-500);border-color:var(--accent-500);color:#0B0918}
.milestone.is-active .ms-dot{border-color:var(--accent-500);color:var(--accent-500);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(53,224,184,.35)}50%{box-shadow:0 0 0 6px rgba(53,224,184,0)}}
.ms-text strong{display:block;font-size:15.5px;font-weight:600;color:rgba(255,255,255,.86)}
.milestone.is-todo .ms-text strong{color:rgba(255,255,255,.5)}
.ms-text span{font-size:13px;color:rgba(255,255,255,.45)}
.prog-panel{background:var(--surface-1);border:1px solid var(--line-dark);border-radius:var(--radius-card);padding:32px}
.prog-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.prog-top .label{font-size:14px;color:rgba(255,255,255,.55)}
.prog-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:44px;font-weight:800;color:#fff;line-height:1;letter-spacing:-.03em}
.prog-num small{font-size:18px;font-weight:700;margin-left:2px;color:var(--accent-500)}
.prog-track{height:8px;margin-top:22px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.prog-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(45deg,var(--brand-600),var(--accent-500));transition:width 1.2s ease-out}
.prog-note{margin-top:22px;display:grid;gap:10px}
.prog-note p{font-size:13.5px;color:rgba(255,255,255,.5)}
.prog-note p i{color:var(--accent-500);margin-right:8px;font-size:11px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.metric{background:var(--surface-2);border:1px solid var(--line-dark);border-radius:14px;padding:16px 18px}
.metric b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;color:#fff;font-weight:800}
.metric span{font-size:12.5px;color:rgba(255,255,255,.5)}

/* ============ 参与按钮带 ============ */
.cta-band{position:relative;background:var(--bg-deep);overflow:hidden;padding:56px 0;border-top:1px solid var(--line-dark)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(53,224,184,.10) 0 1px,transparent 1px 16px);
}
.cta-band__inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;max-width:22em}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.6)}

/* ============ 最新信息（CMS 列表） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform .35s ease,border-color .3s ease;height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--accent-500)}
.news-card__link{position:relative;display:flex;flex-direction:column;height:100%;padding:24px;gap:12px}
.news-card__tag{
  align-self:flex-start;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--brand-600);background:rgba(122,108,240,.12);border:1px solid rgba(122,108,240,.22);
}
.news-card__title{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__link:hover .news-card__title{color:var(--brand-600)}
.news-card__desc{
  font-size:14.5px;line-height:1.75;color:var(--ink-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.news-card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-400)}
.news-card__arrow{
  position:absolute;right:22px;bottom:20px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;color:var(--brand-600);
  background:rgba(122,108,240,.1);transition:background .25s ease,color .25s ease,transform .25s ease;
}
.news-card:hover .news-card__arrow{background:var(--accent-500);color:#0B0918;transform:translateX(3px)}
.news-empty{
  min-height:220px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--ink-400);text-align:center;padding:32px;grid-column:1 / -1;
}
.news-empty i{font-size:32px;color:var(--brand-400)}
.news-empty p{font-size:14px}
.news-empty a{font-size:14px;font-weight:600;color:var(--brand-600)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;text-align:left;font-size:20px;font-weight:600;color:var(--ink-900);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-600)}
.faq-q i{flex:none;font-size:18px;color:var(--brand-600);transition:transform .26s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 0 24px;font-size:16px;line-height:1.8;max-width:840px;color:var(--ink-600)}

/* ============ 页脚 ============ */
.footer{position:relative;background:var(--bg-deep);padding:64px 0 32px;color:#9E9AB4}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,184,.5),transparent);
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.footer__intro{margin-top:16px;font-size:14px;line-height:1.8;max-width:24em;color:#9E9AB4}
.footer h3{font-size:14px;font-weight:600;color:#CFCBE4;margin-bottom:18px;letter-spacing:.02em}
.footer__list{display:grid;gap:12px}
.footer__list a{font-size:14px;color:#9E9AB4;transition:color .2s ease}
.footer__list a:hover{color:#fff}
.footer__form{display:grid;gap:10px;margin-top:6px}
.footer__form label{font-size:13px;color:#CFCBE4}
.footer__form input{
  height:48px;width:100%;padding:0 14px;border-radius:12px;font-size:14px;
  background:#F2F1F8;border:1px solid var(--line);color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.footer__form input::placeholder{color:var(--ink-400)}
.footer__form input:focus{outline:none;background:#fff;border-color:var(--accent-500);box-shadow:0 0 0 4px rgba(53,224,184,.22)}
.footer__form .btn{width:100%}
.footer__bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7C7892;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:40px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .step:nth-child(2n)::after{display:none}
  .progress-wrap{gap:40px}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0}
  .section{padding:72px 0}
  .hero{padding:64px 0 56px}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .hero__kv{order:-1}
  .reward-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .progress-wrap{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .drawer,.scrim{display:none}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:48px 0 44px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px}
  .hero__stats{grid-template-columns:1fr;gap:14px}
  .section__head{margin-bottom:36px}
  .section__head h2{font-size:26px}
  .steps{grid-template-columns:1fr;row-gap:36px}
  .step{padding-right:0}
  .step::after{display:none}
  .reward-grid,.news-grid,.metric-grid{grid-template-columns:1fr}
  .faq-q{font-size:17px;padding:20px 0}
  .cta-band{padding:44px 0}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer{padding:48px 0 28px}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .prog-panel{padding:24px}
  .prog-num{font-size:36px}
}

/* roulang page: category1 */
:root{
  --bg-deep:#0B0918;
  --surface-1:#14102A;
  --surface-2:#1D1740;
  --brand-600:#4B3BD8;
  --brand-400:#7A6CF0;
  --accent-500:#35E0B8;
  --highlight:#FFC96B;
  --paper:#F6F5FA;
  --card:#FFFFFF;
  --ink-900:#100D22;
  --ink-600:#4A4660;
  --ink-400:#8A86A0;
  --line:#E6E4F0;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(16,13,34,.04),0 12px 32px -12px rgba(16,13,34,.12);
  --shadow-card-hover:0 2px 4px rgba(16,13,34,.05),0 20px 44px -16px rgba(16,13,34,.18);
  --container:1200px;
  --sidebar-w:236px;
  --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(--paper);
  color:var(--ink-900);
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  margin:0;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--ink-900);
}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand-600)}
img{max-width:100%;display:block;border:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
::selection{background:rgba(53,224,184,.28)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand-600);color:#fff}
.btn--primary:hover{background:#5A4AE4;color:#fff;box-shadow:0 0 0 4px rgba(75,59,216,.22)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(53,224,184,.6)}
.btn--outline{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn--outline:hover{border-color:var(--brand-400);color:var(--brand-600);box-shadow:0 0 0 4px rgba(122,108,240,.12)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface-1);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:20px 16px 22px;
  overflow-y:auto;z-index:60;
}
.sidebar__logo{
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 8px;margin-bottom:22px;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-.02em;
}
.sidebar__logo svg{flex:0 0 auto}
.sidebar__logo span{white-space:nowrap}
.sidebar__label{
  font-size:11px;letter-spacing:.16em;color:#6D6890;
  padding:0 10px;margin-bottom:10px;text-transform:uppercase;
}
.sidebar__nav{display:flex;flex-direction:column;gap:4px;flex:1}
.sidebar__link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:#B9B5CE;font-size:14.5px;font-weight:500;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.sidebar__link i{width:18px;font-size:15px;color:#7C77A3;transition:color .22s var(--ease)}
.sidebar__link:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar__link:hover i{color:var(--accent-500)}
.sidebar__link.is-active{background:rgba(53,224,184,.1);color:#fff}
.sidebar__link.is-active i{color:var(--accent-500)}
.sidebar__link.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--accent-500);
}
.sidebar__cta{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.sidebar__cta .btn{width:100%}
.sidebar__note{font-size:12px;line-height:1.6;color:#6D6890;padding:0 4px}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;background:var(--bg-deep);
  border-bottom:1px solid rgba(255,255,255,.08);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;letter-spacing:-.02em}
.topbar__brand small{display:block;font-size:11px;font-weight:500;color:#9E9AB4;letter-spacing:.05em;line-height:1.2}
.topbar__burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:#fff;font-size:18px;
}
.topbar__burger:hover{background:rgba(255,255,255,.08)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:var(--surface-1);border-left:1px solid rgba(255,255,255,.08);
  transform:translateX(105%);transition:transform .32s var(--ease);
  z-index:90;padding:18px 16px;display:flex;flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__title{color:#fff;font-weight:800;font-size:15px}
.drawer__close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:#CFCBE4;font-size:17px;
}
.drawer__close:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer__nav{display:flex;flex-direction:column;gap:6px}
.drawer__link{
  display:flex;align-items:center;gap:12px;min-height:48px;padding:0 12px;
  border-radius:10px;color:#B9B5CE;font-size:15px;
}
.drawer__link i{color:#7C77A3;width:18px}
.drawer__link.is-active{background:rgba(53,224,184,.1);color:#fff}
.drawer__link.is-active i{color:var(--accent-500)}
.mask{
  position:fixed;inset:0;background:rgba(11,9,24,.6);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
  z-index:80;
}
.mask.is-open{opacity:1;visibility:visible}
body.is-locked{overflow:hidden}

/* ============ 布局 ============ */
.page{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page__main{flex:1}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--bg-deep);
  padding:72px 0 64px;
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 12% 18%, rgba(122,108,240,.32), transparent 46%),
    radial-gradient(circle at 82% 8%, rgba(53,224,184,.18), transparent 42%),
    linear-gradient(180deg, rgba(11,9,24,.72) 0%, rgba(11,9,24,.92) 100%);
}
.hero__inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(53,224,184,.12);border:1px solid rgba(53,224,184,.3);
  color:var(--accent-500);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.hero h1{
  color:#fff;font-size:clamp(32px,4vw,52px);line-height:1.12;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--accent-500)}
.hero__lead{
  color:#C6C2DA;font-size:17px;line-height:1.8;max-width:600px;margin-bottom:30px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);
}
.stat__value{
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:28px;font-weight:800;color:#fff;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat__value span{color:var(--accent-500)}
.stat__label{font-size:13px;color:#8F8AAC;margin-top:2px}
.hero__panel{
  border:1px solid rgba(255,255,255,.1);border-radius:20px;
  background:rgba(29,23,64,.62);
  padding:22px;backdrop-filter:blur(6px);
}
.hero__panel h3{color:#fff;font-size:17px;margin-bottom:16px;font-weight:700}
.hero__steps{display:flex;flex-direction:column;gap:14px}
.hero__step{display:flex;gap:14px;align-items:flex-start}
.hero__step b{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:Inter,sans-serif;font-size:13px;font-weight:700;
  background:rgba(122,108,240,.2);border:1px solid rgba(122,108,240,.42);color:#C9C2FF;
  font-variant-numeric:tabular-nums;
}
.hero__step p{color:#B6B1CC;font-size:14px;line-height:1.65}
.hero__step strong{color:#fff;font-weight:600;display:block;font-size:14.5px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section__head{max-width:720px;margin-bottom:44px}
.section__kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.section h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section__desc{color:var(--ink-600);font-size:16.5px;line-height:1.8}

/* ============ 筛选 chip ============ */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:42px;padding:0 18px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--ink-600);font-size:14.5px;font-weight:500;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .25s var(--ease);
}
.chip i{font-size:12px;color:var(--ink-400);transition:color .22s var(--ease)}
.chip:hover{border-color:var(--brand-400);color:var(--brand-600);box-shadow:0 0 0 4px rgba(122,108,240,.1)}
.chip:hover i{color:var(--brand-600)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.chip.is-active i{color:var(--accent-500)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gcard{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s var(--ease);
}
.gcard:hover{transform:translateY(-4px);border-color:rgba(53,224,184,.5);box-shadow:var(--shadow-card-hover)}
.gcard__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.gcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.gcard:hover .gcard__media img{transform:scale(1.03)}
.gcard__badge{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(11,9,24,.72);backdrop-filter:blur(4px);
  color:var(--accent-500);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.gcard__body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.gcard__body h3{font-size:19px;margin-bottom:10px;line-height:1.35}
.gcard__body p{color:var(--ink-600);font-size:14.5px;line-height:1.72;flex:1}
.gcard__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
}
.gcard__meta{font-size:13px;color:var(--ink-400)}
.gcard__arrow{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);color:var(--ink-600);font-size:13px;
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .3s var(--ease);
}
.gcard:hover .gcard__arrow{background:var(--brand-600);color:#fff;transform:translateX(3px)}
.gcard__link{position:absolute;inset:0;z-index:2}

/* ============ 分页 ============ */
.pager{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px;margin-top:56px;
}
.pager__item{
  min-width:44px;height:44px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-600);font-size:14.5px;font-weight:500;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.pager__item:hover{border-color:var(--brand-400);color:var(--brand-600)}
.pager__item.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.pager__item.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.pager__hint{width:100%;text-align:center;font-size:13px;color:var(--ink-400);margin-top:10px}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent-500);
  border-radius:14px;padding:22px 24px;
}
.notice i{color:var(--accent-500);font-size:20px;margin-top:3px}
.notice strong{display:block;font-size:16px;font-weight:700;margin-bottom:6px}
.notice p{color:var(--ink-600);font-size:14.5px;line-height:1.75}

/* ============ 同类入口条 ============ */
.entries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.entry{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:14px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.entry:hover{transform:translateY(-3px);border-color:rgba(53,224,184,.5);box-shadow:var(--shadow-card)}
.entry__text strong{display:block;font-size:16.5px;font-weight:700;margin-bottom:4px}
.entry__text span{font-size:13.5px;color:var(--ink-400)}
.entry i{color:var(--brand-400);font-size:15px}

/* ============ CTA 通栏 ============ */
.cta{
  position:relative;overflow:hidden;
  background:var(--bg-deep);border-radius:24px;
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 10%, rgba(53,224,184,.2), transparent 46%),
    repeating-linear-gradient(115deg, rgba(53,224,184,.07) 0 2px, transparent 2px 12px);
  pointer-events:none;
}
.cta__text{position:relative;z-index:1;max-width:640px}
.cta__text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta__text p{color:#B6B1CC;font-size:15.5px;line-height:1.78}
.cta__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  background:var(--bg-deep);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(53,224,184,0),rgba(122,108,240,.55),rgba(53,224,184,0)) 1;
  padding:64px 0 0;
  color:#9E9AB4;
}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:48px;
}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer__intro{font-size:14px;line-height:1.75;color:#8F8AAC;max-width:300px}
.footer h3{font-size:14px;font-weight:600;color:#CFCBE4;margin-bottom:18px;letter-spacing:.02em}
.footer__list{display:flex;flex-direction:column;gap:11px}
.footer__list a{font-size:14px;color:#9E9AB4}
.footer__list a:hover{color:#fff}
.footer__form{display:flex;flex-direction:column;gap:10px}
.footer__form label{font-size:13px;color:#8F8AAC}
.footer__form input{
  height:48px;padding:0 14px;border-radius:12px;
  background:#F2F1F8;border:1px solid var(--line);
  color:var(--ink-900);font-size:14.5px;
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.footer__form input::placeholder{color:#9C98B0}
.footer__form input:focus{outline:none;background:#fff;border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(53,224,184,.25)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7C7796;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .page{margin-left:0}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero{padding:56px 0 52px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entries{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta{padding:40px 32px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .hero{padding:48px 0 44px}
  .hero h1{font-size:30px}
  .hero__lead{font-size:15.5px}
  .hero__actions .btn{flex:1 1 100%}
  .hero__stats{grid-template-columns:1fr;gap:12px}
  .stat__value{font-size:24px}
  .grid-3{grid-template-columns:1fr}
  .filters{gap:8px}
  .chip{min-height:40px;padding:0 14px;font-size:14px}
  .cta{padding:32px 22px;border-radius:18px}
  .cta__actions .btn{flex:1 1 100%}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .notice{padding:18px}
  .pager__item{min-width:40px;height:40px;padding:0 10px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-deep:#0B0918;
  --surface-1:#14102A;
  --surface-2:#1D1740;
  --brand-600:#4B3BD8;
  --brand-400:#7A6CF0;
  --accent-500:#35E0B8;
  --highlight:#FFC96B;
  --paper:#F6F5FA;
  --card:#FFFFFF;
  --soft:#F2F1F8;
  --ink-900:#100D22;
  --ink-600:#4A4660;
  --ink-400:#8A86A0;
  --line:#E6E4F0;
  --line-dark:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-sm:10px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(16,13,34,.04), 0 12px 32px -12px rgba(16,13,34,.12);
  --shadow-lift:0 2px 4px rgba(16,13,34,.05), 0 22px 44px -18px rgba(16,13,34,.22);
  --sidebar-w:236px;
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18}
p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
::selection{background:rgba(53,224,184,.35)}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip:focus{left:0}

/* ---------- 布局骨架 ---------- */
.page{min-height:100vh;display:flex;flex-direction:column;margin-left:var(--sidebar-w)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
img.cover{border-radius:14px;object-fit:cover;width:100%;aspect-ratio:16/9;background:var(--soft)}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface-1);
  border-right:1px solid var(--line-dark);
  display:flex;flex-direction:column;
  padding:24px 18px 22px;
  z-index:80;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.18) transparent;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
.sidebar__brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;letter-spacing:-.02em;color:#fff;
  padding:6px 8px 0;margin-bottom:6px;line-height:1.25;
}
.sidebar__brand svg{flex:0 0 auto}
.sidebar__tag{font-size:12px;color:var(--ink-400);padding:0 8px;margin-bottom:26px;letter-spacing:.04em}
.sidebar__nav{display:flex;flex-direction:column;gap:4px}
.sidebar__link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14.5px;color:#BEB9D6;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.sidebar__link i{width:18px;font-size:15px;text-align:center;color:#8F8AB0;transition:color .2s ease}
.sidebar__link::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent-500);
  transition:transform .24s ease;
}
.sidebar__link:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar__link:hover i{color:var(--accent-500)}
.sidebar__link.is-active{background:rgba(122,108,240,.16);color:#fff}
.sidebar__link.is-active i{color:var(--accent-500)}
.sidebar__link.is-active::before{transform:translateY(-50%) scaleY(1)}
.sidebar__foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line-dark)}
.sidebar__foot p{font-size:12px;color:var(--ink-400);margin-top:10px;line-height:1.6}

/* ---------- 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:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(135deg,var(--brand-600),var(--brand-400));color:#fff;box-shadow:0 10px 24px -12px rgba(75,59,216,.75)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:0 10px 24px -10px rgba(75,59,216,.85),0 0 0 4px rgba(53,224,184,.18)}
.btn--ghost{background:transparent;color:var(--ink-900);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--accent-500);color:var(--brand-600);box-shadow:0 0 0 4px rgba(53,224,184,.14)}
.btn--sm{height:38px;padding:0 14px;font-size:13.5px;border-radius:10px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:90;
  height:56px;background:var(--surface-1);border-bottom:1px solid var(--line-dark);
  align-items:center;gap:12px;padding:0 14px;
}
.topbar__brand{display:flex;align-items:baseline;gap:6px;color:#fff;font-weight:800;font-size:15px;letter-spacing:-.01em;margin-right:auto}
.topbar__brand small{font-size:11px;font-weight:500;color:var(--ink-400);letter-spacing:.06em}
.topbar__burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border-radius:10px;
}
.topbar__burger:hover{background:rgba(255,255,255,.06)}
.scrim{position:fixed;inset:0;background:rgba(11,9,24,.6);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:95}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:var(--surface-1);border-left:1px solid var(--line-dark);
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,.1,.2,1);
  z-index:100;display:flex;flex-direction:column;padding:18px 16px;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__title{color:#fff;font-weight:800;font-size:16px}
.drawer__close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:#CFCBE4;border-radius:10px}
.drawer__close:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav .sidebar__link{height:46px}
.drawer__nav .sidebar__link::before{left:-16px}
.drawer__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line-dark)}
.drawer__foot p{font-size:12px;color:var(--ink-400);margin-top:10px;line-height:1.6}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
  padding:40px 0 36px;
}
.article-hero::after{
  content:"";position:absolute;right:-70px;top:-50px;width:430px;height:320px;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.14;border-radius:28px;pointer-events:none;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(2px 2px at 12% 30%, rgba(122,108,240,.5), transparent 60%),
    radial-gradient(2px 2px at 38% 68%, rgba(53,224,184,.45), transparent 60%),
    radial-gradient(2px 2px at 72% 22%, rgba(122,108,240,.35), transparent 60%),
    radial-gradient(2px 2px at 88% 74%, rgba(255,201,107,.4), transparent 60%);
}
.article-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);flex-wrap:wrap}
.crumbs a{color:var(--ink-600);transition:color .2s ease}
.crumbs a:hover{color:var(--brand-600)}
.crumbs span{color:var(--line)}
.crumbs__current{color:var(--ink-400);max-width:min(46vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(30px,4.2vw,44px);line-height:1.2;margin:18px 0 0;max-width:860px}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13.5px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.article-meta .sep{width:1px;height:12px;background:var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;background:rgba(75,59,216,.1);color:var(--brand-600);
}

/* ---------- 正文布局 ---------- */
.article-wrap{padding-top:48px;padding-bottom:64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
.article-main{max-width:760px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}

.article-body{font-size:17px;line-height:1.9;color:#221E3A;word-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,26px);font-weight:800;
  margin-top:52px;padding-left:16px;line-height:1.35;scroll-margin-top:90px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent-500),var(--brand-400));
}
.article-body h3{font-size:20px;font-weight:700;margin-top:36px;line-height:1.4;scroll-margin-top:90px}
.article-body p{margin:0}
.article-body ul,.article-body ol{padding-left:22px;margin:0}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li + li{margin-top:.5em}
.article-body ul li::marker{color:var(--brand-600)}
.article-body ol li::marker{color:var(--brand-600);font-weight:700}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(75,59,216,.32);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:#2E22A0;border-color:#2E22A0}
.article-body strong{font-weight:700;color:var(--ink-900)}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;background:var(--soft);border-left:4px solid var(--brand-600);
  border-radius:0 12px 12px 0;color:var(--ink-600);font-size:16px;
}
.article-body blockquote p + p{margin-top:.8em}
.article-body img{border-radius:14px;margin:28px auto}
.article-body figure{margin:28px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-400);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--soft);font-weight:700;color:var(--ink-900)}
.article-body pre{
  background:var(--bg-deep);color:#E7E5F5;padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;font-size:.9em;
  background:var(--soft);padding:2px 6px;border-radius:6px;color:#3A2FA8;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:48px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.empty-state i{font-size:32px;color:var(--brand-400)}
.empty-state p{font-size:14.5px;color:var(--ink-600)}
.empty-state a{font-size:14.5px;font-weight:600;color:var(--brand-600);border-bottom:1px solid rgba(75,59,216,.32)}

/* ---------- 上一篇 / 下一篇 ---------- */
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:56px}
.postnav__item{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.postnav__item:hover{transform:translateY(-4px);border-color:var(--accent-500);box-shadow:var(--shadow-lift)}
.postnav__label{font-size:12.5px;color:var(--ink-400);letter-spacing:.04em}
.postnav__title{font-size:15.5px;font-weight:700;line-height:1.5}
.postnav__item--next{text-align:right}

.article-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:28px}
.textlink{font-size:14.5px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid rgba(75,59,216,.3);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.textlink:hover{color:#2E22A0;border-color:#2E22A0}
.article-end{height:64px}

/* ---------- 右侧栏 ---------- */
.article-aside{display:none}
@media (min-width:1280px){
  .article-aside{display:block}
  .article-layout{grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:space-between}
}
.aside-inner{position:sticky;top:32px;display:flex;flex-direction:column;gap:24px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 18px;box-shadow:var(--shadow-card)}
.toc__title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-400);margin-bottom:12px}
.toc__list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc__list a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--ink-600);
  padding:6px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc__list a.is-sub{padding-left:22px;font-size:13px;color:var(--ink-400)}
.toc__list a:hover{background:var(--soft);color:var(--ink-900)}
.toc__list a.is-current{background:rgba(53,224,184,.13);color:var(--brand-600);border-left-color:var(--accent-500);font-weight:600}
.related{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 18px;box-shadow:var(--shadow-card)}
.related__title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-400);margin-bottom:14px}
.related__item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);transition:opacity .2s ease}
.related__item:last-child{border-bottom:0;padding-bottom:0}
.related__item:hover .related__name{color:var(--brand-600)}
.related__item img{width:68px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.related__name{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.related__meta{font-size:12px;color:var(--ink-400);margin-top:6px}

/* ---------- 页脚 ---------- */
.footer{
  position:relative;background:var(--bg-deep);color:#CFCBE4;margin-top:auto;
  padding:64px 0 28px;
}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,184,.6),rgba(122,108,240,.6),transparent);
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer__intro{margin-top:14px;font-size:13.5px;line-height:1.8;color:#9E9AB4;max-width:280px}
.footer h3{font-size:14px;font-weight:600;color:#CFCBE4;margin-bottom:16px;letter-spacing:.04em}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#9E9AB4;transition:color .2s ease}
.footer__list a:hover{color:#fff}
.footer__form{display:flex;flex-direction:column;gap:10px}
.footer__form label{font-size:13px;color:#9E9AB4}
.footer__form input{
  height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);padding:0 14px;color:#fff;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.footer__form input::placeholder{color:#6E6A86}
.footer__form input:focus{outline:none;background:rgba(255,255,255,.09);border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(53,224,184,.2)}
.footer__bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7E7A96;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1140px}
}
@media (max-width:1279px){
  .article-main{max-width:none}
}
@media (max-width:1023px){
  .page{margin-left:0}
  .sidebar{display:none}
  .topbar{display:flex}
  .container{padding:0 16px}
  .article-hero{padding:28px 0 26px}
  .article-wrap{padding-top:36px;padding-bottom:48px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer__intro{max-width:none}
}
@media (max-width:639px){
  body{font-size:15.5px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{margin-top:40px}
  .postnav{grid-template-columns:1fr;gap:12px}
  .postnav__item--next{text-align:left}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer{padding:48px 0 24px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .crumbs__current{max-width:60vw}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-deep:#0B0918;
  --surface-1:#14102A;
  --surface-2:#1D1740;
  --brand-600:#4B3BD8;
  --brand-400:#7A6CF0;
  --accent-500:#35E0B8;
  --highlight:#FFC96B;
  --paper:#F6F5FA;
  --card:#FFFFFF;
  --ink-900:#100D22;
  --ink-600:#4A4660;
  --ink-400:#8A86A0;
  --line:#E6E4F0;
  --line-dark:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(16,13,34,.04), 0 12px 32px -12px rgba(16,13,34,.12);
  --shadow-soft:0 1px 2px rgba(16,13,34,.03), 0 6px 18px -10px rgba(16,13,34,.10);
  --sidebar-w:236px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
::selection{background:rgba(53,224,184,.28)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 布局骨架 */
.layout{min-height:100vh}
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--bg-deep);color:#EFEDF7}
.section-title{font-size:32px;margin-bottom:14px}
.section-sub{color:var(--ink-600);font-size:16px;max-width:720px}
.section--dark .section-sub{color:#B8B3CF}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent-500);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent-500),transparent)}

/* 侧边导航 */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);
  background:var(--surface-1);border-right:1px solid var(--line-dark);
  display:flex;flex-direction:column;padding:22px 16px 18px;overflow-y:auto;z-index:60;
}
.sidebar__brand{display:flex;align-items:center;gap:10px;height:48px;margin-bottom:22px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em}
.sidebar__nav{display:flex;flex-direction:column;gap:4px;flex:1}
.sidebar__link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px 0 16px;
  border-radius:10px;color:#9E9AB4;font-size:14.5px;font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.sidebar__link i{font-size:15px;width:18px;text-align:center}
.sidebar__link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--accent-500);
  transition:height .24s var(--ease);
}
.sidebar__link:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar__link.is-active{background:rgba(255,255,255,.07);color:#fff}
.sidebar__link.is-active::before{height:20px}
.sidebar__foot{border-top:1px solid var(--line-dark);padding-top:16px;margin-top:18px}
.sidebar__foot p{margin-top:10px;font-size:12px;line-height:1.6;color:#77738C}

/* 顶部导航（移动） */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(11,9,24,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-dark);
}
.topbar__brand{color:#fff;font-weight:800;font-size:16px;letter-spacing:-.01em}
.topbar__brand em{font-style:normal;color:var(--accent-500);margin-left:4px;font-weight:600}
.topbar__toggle{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-dark);
  background:transparent;border-radius:12px;color:#fff;cursor:pointer;transition:background .2s var(--ease);
}
.topbar__toggle:hover{background:rgba(255,255,255,.08)}

.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:84vw;height:100%;
  background:var(--surface-1);border-left:1px solid var(--line-dark);
  transform:translateX(102%);transition:transform .32s var(--ease);
  z-index:90;padding:18px 16px;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__title{color:#fff;font-weight:800;font-size:16px}
.drawer__close{width:44px;height:44px;display:grid;place-items:center;background:transparent;border:1px solid var(--line-dark);border-radius:12px;color:#fff;cursor:pointer}
.drawer__nav{display:flex;flex-direction:column;gap:4px;flex:1}
.drawer__foot{padding-top:16px;border-top:1px solid var(--line-dark);margin-top:16px}
.scrim{position:fixed;inset:0;background:rgba(11,9,24,.6);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;z-index:80}
.scrim.is-open{opacity:1;visibility:visible}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn--primary{background:linear-gradient(135deg,var(--brand-600),var(--brand-400));color:#fff;box-shadow:0 10px 24px -12px rgba(75,59,216,.7)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(53,224,184,.18),0 12px 26px -12px rgba(75,59,216,.8)}
.btn--ghost{background:transparent;color:#EFEDF7;border-color:rgba(255,255,255,.22)}
.btn--ghost:hover{background:rgba(255,255,255,.08);box-shadow:0 0 0 4px rgba(53,224,184,.14)}
.btn--outline{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn--outline:hover{border-color:var(--accent-500);box-shadow:0 0 0 4px rgba(53,224,184,.16)}
.btn:active{transform:translateY(1px)}
.btn--full{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* Hero */
.hero{
  position:relative;background:var(--bg-deep);color:#EFEDF7;overflow:hidden;
  padding:104px 0 88px;border-bottom-left-radius:24px;border-bottom-right-radius:24px;
}
.hero__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.34;
}
.hero__veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,9,24,.94) 0%,rgba(20,16,42,.82) 46%,rgba(29,23,64,.6) 100%)}
.hero__stars{position:absolute;inset:-10%;background-image:radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.75),transparent),radial-gradient(1.4px 1.4px at 68% 16%,rgba(122,108,240,.8),transparent),radial-gradient(1.4px 1.4px at 34% 76%,rgba(53,224,184,.7),transparent),radial-gradient(1.2px 1.2px at 86% 62%,rgba(255,255,255,.6),transparent),radial-gradient(1.2px 1.2px at 52% 42%,rgba(255,201,107,.6),transparent);animation:drift 8s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(-14px,-10px,0)}}
.hero__inner{position:relative;max-width:760px}
.hero h1{font-size:48px;line-height:1.14;margin-bottom:18px}
.hero h1 span{display:block;font-size:20px;font-weight:600;color:var(--accent-500);letter-spacing:.02em;margin-bottom:12px}
.hero__sub{font-size:17px;color:#BDB8D6;max-width:620px;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:620px}
.hero__stat{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:14px;padding:16px 18px}
.hero__stat b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero__stat span{font-size:13px;color:#9E9AB4}

/* 时间轴 */
.timeline{position:relative;margin-top:48px}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(53,224,184,.55),rgba(122,108,240,.45),rgba(230,228,240,.1));
}
.tl-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;padding-bottom:56px;position:relative}
.tl-item:last-child{padding-bottom:0}
.tl-item__dot{
  position:absolute;left:11px;top:2px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-deep);border:1.5px solid var(--accent-500);
  color:var(--accent-500);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-soft);
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:center;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);border-color:rgba(53,224,184,.6);box-shadow:var(--shadow-card)}
.tl-body--flip{grid-template-columns:260px minmax(0,1fr)}
.tl-body--flip .tl-body__text{order:2}
.tl-body--flip .tl-body__media{order:1}
.tl-body__media{border-radius:14px;overflow:hidden;background:var(--surface-2)}
.tl-body__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.tl-body:hover .tl-body__media img{transform:scale(1.03)}
.tl-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;color:#2A6F5D;
  background:rgba(53,224,184,.14);border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.tl-body h3{font-size:20px;margin-bottom:10px}
.tl-body p{color:var(--ink-600);font-size:15.5px}

/* 引用提示条 */
.quote-band{background:var(--surface-2);color:#EFEDF7;padding:64px 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.quote-band blockquote{
  margin:0;max-width:860px;font-size:20px;line-height:1.7;font-weight:600;
  padding-left:24px;border-left:4px solid var(--accent-500);
}
.quote-band span{display:block;margin-top:16px;padding-left:28px;font-size:13.5px;color:#9E9AB4}

/* 规则要点 */
.rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:40px}
.rule-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-soft)}
.rule-card h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.rule-card h3 i{color:var(--accent-500);font-size:16px}
.rule-card--warn h3 i{color:var(--highlight)}
.rule-list li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--ink-600);font-size:15.5px}
.rule-list li:last-child{margin-bottom:0}
.rule-list li::before{
  content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--accent-500);
}
.rule-card--warn .rule-list li::before{background:var(--highlight)}

/* 指标条 */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:40px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:left}
.metric b{display:block;font-size:28px;font-weight:800;color:var(--brand-600)}
.metric span{font-size:13.5px;color:var(--ink-400)}

/* FAQ */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:22px 4px;text-align:left;cursor:pointer;
  font-size:19px;font-weight:600;color:var(--ink-900);transition:color .2s var(--ease);
}
.faq__q:hover{color:var(--brand-600)}
.faq__q i{font-size:15px;color:var(--ink-400);transition:transform .26s var(--ease),color .26s var(--ease)}
.faq__item.is-open .faq__q i{transform:rotate(45deg);color:var(--accent-500)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq__a p{padding:0 60px 24px 4px;color:var(--ink-600);font-size:15.5px}

/* CTA */
.cta{
  position:relative;background:var(--bg-deep);color:#EFEDF7;overflow:hidden;
  padding:72px 0;border-radius:24px;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(53,224,184,.09) 0 1px,transparent 1px 14px);
}
.cta__inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta h2{font-size:28px;margin-bottom:10px}
.cta p{color:#B8B3CF;font-size:15.5px;max-width:560px}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.footer{background:var(--bg-deep);color:#9E9AB4;padding:72px 0 32px;margin-top:0;position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(122,108,240,.6),rgba(53,224,184,.5),transparent)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer__intro{font-size:14px;line-height:1.7;max-width:300px}
.footer h3{font-size:14px;font-weight:600;color:#CFCBE4;margin-bottom:16px}
.footer__list li{margin-bottom:10px}
.footer__list a{font-size:14px;transition:color .2s var(--ease)}
.footer__list a:hover{color:#fff}
.footer__form label{display:block;font-size:13px;margin-bottom:8px;color:#CFCBE4}
.footer__form input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  background:#F2F1F8;border:1px solid var(--line);color:var(--ink-900);margin-bottom:12px;
  transition:box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.footer__form input::placeholder{color:var(--ink-400)}
.footer__form input:focus{outline:none;background:#fff;border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(53,224,184,.5)}
.footer__bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#77738C;
}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:100%;padding:0 28px}
  .tl-body{grid-template-columns:minmax(0,1fr) 220px;gap:22px}
  .tl-body--flip{grid-template-columns:220px minmax(0,1fr)}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .main-wrap{margin-left:0}
  .topbar{display:flex}
  .section{padding:72px 0}
  .hero{padding:80px 0 64px;border-bottom-left-radius:20px;border-bottom-right-radius:20px}
  .hero h1{font-size:38px}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rule-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-title{font-size:25px}
  .hero h1{font-size:31px}
  .hero h1 span{font-size:16px}
  .hero__sub{font-size:15.5px}
  .hero__stats{grid-template-columns:1fr;gap:12px}
  .hero__actions .btn{width:100%}
  .timeline::before{left:15px}
  .tl-item{grid-template-columns:36px minmax(0,1fr);gap:14px;padding-bottom:36px}
  .tl-item__dot{left:0;width:30px;height:30px;font-size:11.5px}
  .tl-body,.tl-body--flip{grid-template-columns:1fr;gap:18px;padding:18px}
  .tl-body--flip .tl-body__text,.tl-body--flip .tl-body__media{order:initial}
  .tl-body__media{order:-1}
  .quote-band{padding:48px 0}
  .quote-band blockquote{font-size:17px}
  .faq__q{font-size:16.5px;padding:18px 2px}
  .faq__a p{padding:0 24px 20px 2px}
  .cta{padding:48px 0;border-radius:18px}
  .cta__actions{width:100%}
  .cta__actions .btn{width:100%}
  .footer{padding:56px 0 28px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .metrics{grid-template-columns:1fr}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .metric b{font-size:24px}
}

/* roulang page: category3 */
:root{
  --bg-deep:#0B0918;
  --surface-1:#14102A;
  --surface-2:#1D1740;
  --brand-600:#4B3BD8;
  --brand-400:#7A6CF0;
  --accent-500:#35E0B8;
  --highlight:#FFC96B;
  --paper:#F6F5FA;
  --card:#FFFFFF;
  --ink-900:#100D22;
  --ink-600:#4A4660;
  --ink-400:#8A86A0;
  --line:#E6E4F0;
  --line-dark:rgba(255,255,255,.08);
  --r-card:18px;
  --r-tight:10px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(16,13,34,.04),0 12px 32px -12px rgba(16,13,34,.12);
  --sidebar-w:236px;
  --max-w:1200px;
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink-900);background:#fff}
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;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
::selection{background:rgba(53,224,184,.28)}

/* ---------- 布局骨架 ---------- */
.page{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page main{flex:1}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 32px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;z-index:60;
  background:var(--surface-1);border-right:1px solid var(--line-dark);
  display:flex;flex-direction:column;
}
.sidebar__brand{
  height:72px;display:flex;align-items:center;gap:10px;padding:0 20px;
  font-size:18px;font-weight:800;letter-spacing:-.02em;color:#fff;flex:none;
}
.sidebar__brand span{line-height:1.2}
.sidebar__nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.sidebar__link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;
  border-radius:var(--r-btn);color:#9E9AB4;font-size:14px;font-weight:500;
  transition:background-color .2s,color .2s;
}
.sidebar__link i{width:18px;text-align:center;font-size:15px}
.sidebar__link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--accent-500);
  opacity:0;transition:opacity .2s;
}
.sidebar__link:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar__link.is-active{background:rgba(255,255,255,.07);color:#fff}
.sidebar__link.is-active::before{opacity:1}
.sidebar__foot{padding:16px;border-top:1px solid var(--line-dark);flex:none}
.sidebar__note{font-size:12px;line-height:1.6;color:#6F6A88;margin-top:10px}

/* ---------- 移动端顶部栏与抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:var(--surface-1);border-bottom:1px solid var(--line-dark);
}
.topbar__logo{display:flex;align-items:center;gap:8px;color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em}
.topbar__toggle{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  color:#fff;border-radius:var(--r-btn);font-size:18px;
}
.topbar__toggle:hover{background:rgba(255,255,255,.07)}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:82vw;height:100vh;z-index:90;
  background:var(--surface-1);border-left:1px solid var(--line-dark);
  display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform .3s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 20px;border-bottom:1px solid var(--line-dark);flex:none}
.drawer__title{color:#fff;font-size:15px;font-weight:700}
.drawer__close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#CFCBE4;border-radius:var(--r-btn);font-size:17px}
.drawer__close:hover{background:rgba(255,255,255,.07);color:#fff}
.drawer__nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.drawer__foot{padding:16px;border-top:1px solid var(--line-dark);flex:none}
.nav-mask{
  position:fixed;inset:0;background:rgba(11,9,24,.6);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:filter .2s,box-shadow .2s,background-color .2s,color .2s,border-color .2s,transform .15s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(135deg,var(--brand-600),var(--brand-400));color:#fff;box-shadow:0 10px 24px -14px rgba(75,59,216,.95)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:0 10px 24px -14px rgba(75,59,216,.95),0 0 0 4px rgba(53,224,184,.22)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn--ghost:hover{border-color:var(--accent-500);box-shadow:0 0 0 4px rgba(53,224,184,.14)}
.btn--light{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn--light:hover{border-color:var(--accent-500);box-shadow:0 0 0 4px rgba(53,224,184,.18)}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--bg-deep);
  background-image:linear-gradient(180deg,rgba(11,9,24,.84),rgba(11,9,24,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:88px 0 72px;
}
.hero__stars{
  position:absolute;inset:-12%;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 78% 16%,rgba(53,224,184,.55),transparent 60%),
    radial-gradient(2.2px 2.2px at 58% 72%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(1.6px 1.6px at 26% 84%,rgba(122,108,240,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 88% 62%,rgba(255,201,107,.4),transparent 60%);
  animation:drift 8s ease-in-out infinite alternate;
}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(-18px,-14px,0)}}
@media (prefers-reduced-motion:reduce){.hero__stars{animation:none}}
.hero__inner{position:relative;z-index:1;max-width:900px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#9E9AB4;margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:#CFCBE4;transition:color .2s}
.crumb a:hover{color:var(--accent-500)}
.crumb span{color:#6F6A88}
.hero h1{
  font-size:clamp(30px,4.6vw,56px);line-height:1.15;letter-spacing:-.02em;font-weight:800;color:#fff;
}
.hero__lead{margin-top:20px;font-size:clamp(16px,1.9vw,19px);line-height:1.7;color:#C9C5DC;max-width:720px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line-dark)}
.hero__stats strong{
  display:block;font-family:var(--font-num);font-size:28px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:#fff;
}
.hero__stats span{display:block;margin-top:4px;font-size:13px;color:#9E9AB4}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;background:#fff}
.section--light{background:var(--paper)}
.section--dark{background:var(--bg-deep);color:#fff}
.section__head{max-width:780px;margin-bottom:40px}
.section__eyebrow{font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--brand-600);margin-bottom:12px;text-transform:uppercase}
.section__title{font-size:clamp(24px,3vw,36px);line-height:1.2;letter-spacing:-.02em;font-weight:800;color:var(--ink-900)}
.section--dark .section__title{color:#fff}
.section__lead{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-600);max-width:720px}
.section--dark .section__lead{color:#B6B2CC}

/* ---------- 指标卡 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-tight);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .3s,border-color .3s;
}
.metric:hover{transform:translateY(-4px);border-color:var(--accent-500)}
.metric__label{font-size:13px;color:var(--ink-400)}
.metric strong{
  display:block;margin:6px 0 4px;font-family:var(--font-num);font-size:34px;font-weight:800;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink-900);
}
.metric__sub{font-size:13px;color:var(--ink-600)}

/* ---------- 对比表 ---------- */
.ctable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-tight);background:#fff}
table.ctable{width:100%;border-collapse:collapse;min-width:760px}
.ctable thead th{
  background:var(--surface-1);color:#EDEBF7;font-size:14px;font-weight:600;
  text-align:left;padding:18px 22px;white-space:nowrap;
}
.ctable thead th:first-child{color:#9E9AB4}
.ctable tbody td{
  padding:18px 22px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-600);vertical-align:top;
}
.ctable tbody td:first-child{color:var(--ink-900);font-weight:600;white-space:nowrap}
.ctable tbody tr{transition:background-color .2s}
.ctable tbody tr:hover{background:#FAF9FE}
.ctable .tag{
  display:inline-block;padding:2px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(53,224,184,.14);color:#1E8E76;
}
.ctable .tag--warm{background:rgba(255,201,107,.2);color:#8A6212}
.table-note{margin-top:16px;font-size:13px;color:var(--ink-400)}

/* ---------- 图文块 ---------- */
.media{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.media__img img{border-radius:var(--r-card);width:100%;object-fit:cover;box-shadow:var(--shadow-card)}
.media h2{font-size:clamp(24px,2.8vw,34px);line-height:1.2;letter-spacing:-.02em;font-weight:800}
.media__lead{margin-top:14px;font-size:16px;color:var(--ink-600);line-height:1.8}
.steps{display:flex;flex-direction:column;gap:22px;margin-top:28px}
.steps li{display:flex;gap:16px}
.steps .num{
  flex:none;width:38px;height:38px;border-radius:var(--r-tight);
  background:rgba(75,59,216,.08);color:var(--brand-600);
  font-family:var(--font-num);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.steps h3{font-size:18px;font-weight:700;line-height:1.4}
.steps p{margin-top:6px;font-size:15px;color:var(--ink-600);line-height:1.75}

/* ---------- 两栏要点 ---------- */
.points{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.point-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-tight);padding:30px;box-shadow:var(--shadow-card)}
.point-card__head{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.point-card__head i{font-size:16px}
.point-card--good .point-card__head i{color:var(--accent-500)}
.point-card--care .point-card__head i{color:var(--highlight)}
.point-card__head h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.point-list{display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--ink-600)}
.point-list i{margin-top:5px;font-size:13px;flex:none}
.point-card--good .point-list i{color:var(--accent-500)}
.point-card--care .point-list i{color:var(--highlight)}

/* ---------- 时段进度 ---------- */
.prog{display:flex;flex-direction:column;gap:26px;max-width:920px}
.prog__row{display:grid;grid-template-columns:150px 1fr 64px;gap:20px;align-items:center}
.prog__label{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;color:var(--ink-900)}
.prog__bar{height:10px;border-radius:var(--r-pill);background:rgba(16,13,34,.08);overflow:hidden}
.prog__fill{
  display:block;height:100%;width:0;border-radius:var(--r-pill);
  background:linear-gradient(45deg,var(--brand-600),var(--accent-500));
  transition:width 1.2s ease-out;
}
.prog__val{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:16px;font-weight:800;text-align:right;color:var(--ink-900)}
.prog__desc{grid-column:2 / 4;margin-top:-14px;font-size:13px;color:var(--ink-400)}
.prog__note{margin-top:28px;font-size:13px;color:var(--ink-400)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:960px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;text-align:left;cursor:pointer;font-size:clamp(17px,1.9vw,20px);
  font-weight:600;line-height:1.5;color:var(--ink-900);transition:color .2s;
}
.faq__q:hover{color:var(--brand-600)}
.faq__q i{flex:none;font-size:16px;color:var(--brand-600);transition:transform .26s ease}
.faq__item.is-open .faq__q i{transform:rotate(45deg);color:var(--accent-500)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq__a p{padding:0 0 24px;font-size:16px;line-height:1.85;color:var(--ink-600);max-width:820px}

/* ---------- CTA 条 ---------- */
.cta{
  background-color:var(--bg-deep);
  background-image:repeating-linear-gradient(120deg,rgba(53,224,184,.09) 0 1px,transparent 1px 14px);
  color:#fff;padding:64px 0;border-top:1px solid var(--line-dark);
}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta__title{font-size:clamp(20px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.cta__sub{margin-top:10px;font-size:15px;color:#B6B2CC}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);color:#fff;padding:72px 0 28px;position:relative}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,184,.6),transparent);
}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.footer__intro{font-size:14px;line-height:1.8;color:#9E9AB4;max-width:34ch}
.footer h3{font-size:14px;font-weight:600;color:#CFCBE4;margin-bottom:16px}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#9E9AB4;transition:color .2s}
.footer__list a:hover{color:#fff}
.footer__form{display:flex;flex-direction:column;gap:12px}
.footer__form label{font-size:13px;color:#CFCBE4}
.footer__form input{
  height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.14);
  background:#F2F1F8;color:var(--ink-900);padding:0 14px;font-size:14px;font-family:inherit;
  transition:box-shadow .2s,border-color .2s;
}
.footer__form input::placeholder{color:#8A86A0}
.footer__form input:focus{outline:none;border-color:transparent;box-shadow:0 0 0 2px var(--accent-500)}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);
  font-size:13px;color:#8A86A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .media{gap:40px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .page{margin-left:0;padding-top:56px}
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:64px 0 56px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .media{grid-template-columns:1fr;gap:32px}
  .points{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  table.ctable{min-width:0}
  .ctable thead{display:none}
  .ctable tbody tr{
    display:block;margin:0 0 16px;padding:6px 0;background:#fff;
    border:1px solid var(--line);border-radius:var(--r-tight);
  }
  .ctable tbody td{
    display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
    border-top:0;padding:10px 18px;font-size:14px;
  }
  .ctable tbody td::before{
    content:attr(data-label);flex:none;font-size:13px;font-weight:600;color:var(--ink-400);
  }
  .ctable tbody td:first-child{color:var(--ink-900);font-weight:700;font-size:15px;white-space:normal}
  .prog__row{grid-template-columns:1fr auto;gap:12px}
  .prog__bar{grid-column:1 / -1;grid-row:2}
  .prog__val{text-align:right}
  .prog__desc{grid-column:1 / -1;grid-row:3;margin-top:-6px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:48px 0 44px}
  .hero__stats{gap:28px;margin-top:36px}
  .metrics{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer{padding:56px 0 24px}
  .cta{padding:52px 0}
  .point-card{padding:22px}
}