/* roulang page: index */
:root{
  --bs-body-bg:#070B14;
  --bs-body-color:#F2F5FA;
  --bs-link-color:#F2A93B;
  --bs-link-hover-color:#FFC868;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-font-sans-serif:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;

  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-sep:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-h:#FFC868;
  --c-gold-a:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-t1);
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(900px 520px at 84% -8%,rgba(242,169,59,.10),transparent 62%),
    radial-gradient(760px 480px at 4% 44%,rgba(56,200,180,.07),transparent 66%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.026) 0 1px,transparent 1px 8px),
    repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 1px,transparent 1px 8px);
  background-attachment:fixed,fixed,fixed,fixed;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-gold);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-gold-h)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px}

.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wu-section{padding:88px 0;position:relative}
.wu-eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-gold);text-transform:uppercase;margin-bottom:14px}
.wu-h2{font-size:clamp(26px,3vw,37px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.wu-h3{font-size:23px;line-height:1.4;font-weight:600}
.wu-lead{color:var(--c-t2);font-size:16px;margin-top:14px;max-width:56ch}
.wu-num{font-variant-numeric:tabular-nums}
.wu-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-t2);border-bottom:2px solid var(--c-gold);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.wu-link:hover{color:var(--c-t1);border-color:var(--c-gold-h)}

/* ============ 导航 ============ */
.wu-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:14px 0;transition:background-color .28s var(--ease),box-shadow .28s var(--ease),padding .28s var(--ease)}
.wu-header.is-scrolled{background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border-bottom:1px solid var(--c-line);padding:10px 0}
.wu-nav{display:flex;align-items:center;justify-content:space-between;gap:20px}
.wu-brand{display:flex;align-items:center;gap:12px;color:var(--c-t1);flex:0 0 auto}
.wu-brand:hover{color:var(--c-t1)}
.wu-brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(140deg,#F2A93B,#D9912A);color:#0A101C;font-size:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.24)}
.wu-brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:17px;letter-spacing:.01em}
.wu-brand-text em{font-style:normal;font-size:11px;letter-spacing:.24em;color:var(--c-t3);font-weight:600}
.wu-nav-panel{display:flex;align-items:center;gap:6px;padding:7px;border-radius:var(--r-lg);background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--c-sep);box-shadow:var(--sh-1)}
.wu-nav-panel.d-none.d-lg-flex{display:none}
.wu-nav-link{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 14px;border-radius:var(--r-sm);font-size:13px;font-weight:600;color:var(--c-t2);border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap}
.wu-nav-link i{font-size:14px;opacity:.85}
.wu-nav-link:hover{color:var(--c-t1);background:rgba(255,255,255,.045)}
.wu-nav-link.active{color:var(--c-gold);background:rgba(242,169,59,.12);border-color:rgba(242,169,59,.42)}
.wu-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.wu-burger{width:44px;height:44px;border-radius:var(--r-sm);background:var(--c-glass);border:1px solid var(--c-sep);color:var(--c-t1);display:grid;place-items:center;font-size:17px}
.wu-burger:hover{color:var(--c-gold);border-color:rgba(242,169,59,.4)}
.wu-mobile-nav{margin-top:12px;border-radius:var(--r-lg);background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--c-sep);box-shadow:var(--sh-2);overflow:hidden}
.wu-mobile-inner{padding:16px}
.wu-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.wu-mobile-card{display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:var(--r-sm);background:var(--c-bg-1);border:1px solid var(--c-sep);color:var(--c-t2);font-size:13px;font-weight:600}
.wu-mobile-card i{font-size:17px;color:var(--c-gold)}
.wu-mobile-card:hover{color:var(--c-t1);border-color:rgba(242,169,59,.4)}
.wu-mobile-card.active{color:var(--c-gold);border-color:rgba(242,169,59,.45);background:rgba(242,169,59,.1)}
.wu-mobile-cta{margin-top:14px;width:100%}

/* ============ 按钮 ============ */
.wu-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease)}
.wu-btn-primary{background:linear-gradient(135deg,#F2A93B,#D9912A);color:#0A101C;box-shadow:var(--sh-glow)}
.wu-btn-primary:hover{color:#0A101C;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,169,59,.5),0 14px 34px rgba(242,169,59,.26)}
.wu-btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.wu-btn-ghost{background:rgba(255,255,255,.02);border-color:rgba(242,169,59,.4);color:var(--c-gold)}
.wu-btn-ghost:hover{background:rgba(242,169,59,.12);color:var(--c-gold-h);border-color:rgba(242,169,59,.62)}
.wu-nav-cta{min-height:42px;padding:0 20px;font-size:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.22)}
.wu-nav-cta:hover{box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}

/* ============ Hero ============ */
.wu-hero{position:relative;padding:150px 0 76px;overflow:hidden}
.wu-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.wu-hero h1{font-size:clamp(32px,4.6vw,58px);line-height:1.16;font-weight:800;letter-spacing:-.015em;margin:0 0 18px}
.wu-hero h1 span{background:linear-gradient(120deg,#F2A93B 10%,#FFC868 60%,#F2A93B 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.wu-hero-sub{color:var(--c-t2);font-size:17px;max-width:44ch;margin-bottom:28px}
.wu-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.wu-badge-bar{display:inline-flex;flex-wrap:wrap;gap:10px;padding:10px 14px;border-radius:var(--r-pill);background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--c-sep)}
.wu-badge-bar span{font-size:12px;letter-spacing:.06em;color:var(--c-t2);padding:4px 10px;border-radius:var(--r-pill);background:rgba(56,200,180,.12);color:var(--c-cloud)}
.wu-hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(242,169,59,.28);box-shadow:var(--sh-2);background:var(--c-bg-2)}
.wu-hero-visual img{width:100%;aspect-ratio:1/1;object-fit:cover}
.wu-hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.9) 100%);pointer-events:none}
.wu-hero-chip{position:absolute;left:18px;bottom:18px;right:18px;padding:14px 16px;border-radius:var(--r-md);background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:2}
.wu-hero-chip strong{display:block;font-size:15px;color:var(--c-t1)}
.wu-hero-chip small{color:var(--c-t3);font-size:12px}
.wu-hero-chip i{color:var(--c-gold)}

/* ============ 云纹分隔 ============ */
.wu-divider{position:relative;height:64px;margin-top:-1px;line-height:0}
.wu-divider svg{width:100%;height:100%;display:block}

/* ============ 玩法介绍 ============ */
.wu-steps-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.wu-steps-aside{position:sticky;top:112px}
.wu-steps{display:flex;flex-direction:column;gap:16px}
.wu-step{display:flex;gap:20px;padding:24px;border-radius:var(--r-md);background:var(--c-bg-1);border:1px solid var(--c-sep);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.wu-step:nth-child(even){margin-left:34px}
.wu-step:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2)}
.wu-step-num{flex:0 0 auto;font-size:22px;font-weight:800;color:var(--c-cloud);font-variant-numeric:tabular-nums;line-height:1.3}
.wu-step-title{font-size:19px;font-weight:600;margin-bottom:6px}
.wu-step-desc{color:var(--c-t2);font-size:15px}

/* ============ 奖励预览 ============ */
.wu-reward-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:24px;margin-top:44px;align-items:stretch}
.wu-glass{background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--c-sep);border-radius:var(--r-md);overflow:hidden}
.wu-reward-main{display:flex;flex-direction:column}
.wu-reward-media{position:relative}
.wu-reward-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.wu-reward-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(13,21,36,.86) 100%)}
.wu-reward-body{padding:24px}
.wu-reward-body h3{font-size:23px;font-weight:600;margin:12px 0 10px}
.wu-reward-body p{color:var(--c-t2);font-size:15px}
.wu-metric-row{display:flex;gap:28px;margin-top:20px;flex-wrap:wrap}
.wu-metric{display:flex;flex-direction:column;gap:2px}
.wu-metric b{font-size:26px;font-weight:800;color:var(--c-cloud);font-variant-numeric:tabular-nums;line-height:1.2}
.wu-metric small{font-size:12px;color:var(--c-t3)}
.wu-reward-side{padding:24px;display:flex;flex-direction:column}
.wu-reward-side h3{font-size:19px;font-weight:600;margin-bottom:16px}
.wu-badge-list{display:flex;flex-direction:column;gap:12px;flex:1}
.wu-badge-list li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.03);border:1px solid var(--c-sep);font-size:14px;color:var(--c-t2)}
.wu-badge-list b{color:var(--c-t1);font-weight:600}
.wu-badge-list em{margin-left:auto;font-style:normal;font-size:12px;color:var(--c-cloud);font-variant-numeric:tabular-nums}
.wu-badge-icon{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:rgba(242,169,59,.14);color:var(--c-gold);font-size:14px;flex:0 0 auto}

/* ============ 任务进度 ============ */
.wu-timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.wu-timeline::before{content:"";position:absolute;top:14px;left:11px;right:0;height:1px;background:linear-gradient(90deg,rgba(242,169,59,.5),rgba(56,200,180,.34),rgba(255,255,255,.08))}
.wu-tl-item{position:relative;padding-top:52px}
.wu-tl-dot{position:absolute;top:4px;left:0;width:22px;height:22px;border-radius:50%;background:var(--c-bg-2);border:2px solid rgba(255,255,255,.16);display:grid;place-items:center;font-size:9px;color:var(--c-t3)}
.wu-tl-dot.done{border-color:rgba(56,200,180,.7);color:var(--c-cloud);background:rgba(56,200,180,.14)}
.wu-tl-dot.now{border-color:var(--c-gold);color:var(--c-gold);background:rgba(242,169,59,.16);animation:wuPulse 2.4s infinite}
@keyframes wuPulse{0%{box-shadow:0 0 0 0 rgba(242,169,59,.5)}70%{box-shadow:0 0 0 12px rgba(242,169,59,0)}100%{box-shadow:0 0 0 0 rgba(242,169,59,0)}}
.wu-tl-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.wu-tl-item p{font-size:14px;color:var(--c-t2)}
.wu-tl-state{display:inline-block;margin-top:10px;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(169,182,204,.12);color:var(--c-t2)}
.wu-tl-state.done{background:rgba(56,200,180,.12);color:var(--c-cloud)}
.wu-tl-state.now{background:rgba(242,169,59,.14);color:var(--c-gold)}

/* ============ 图文分栏 ============ */
.wu-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.wu-split-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-sep);background:var(--c-bg-2)}
.wu-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.wu-check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.wu-check-list li{display:flex;gap:12px;font-size:15px;color:var(--c-t2)}
.wu-check-list i{color:var(--c-cloud);margin-top:5px;font-size:14px}

/* ============ 最新动态 ============ */
.wu-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.wu-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.wu-news-card{display:flex;flex-direction:column;background:var(--c-bg-1);border:1px solid var(--c-sep);border-radius:var(--r-md);overflow:hidden;color:var(--c-t1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.wu-news-card:hover{color:var(--c-t1);border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2)}
.wu-news-cover{overflow:hidden;background:var(--c-bg-2)}
.wu-news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s var(--ease)}
.wu-news-card:hover .wu-news-cover img{transform:scale(1.04)}
.wu-news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.wu-chip{align-self:flex-start;font-size:12px;letter-spacing:.02em;padding:3px 10px;border-radius:var(--r-pill);background:rgba(56,200,180,.12);color:var(--c-cloud)}
.wu-chip-gold{background:rgba(242,169,59,.14);color:var(--c-gold)}
.wu-news-title{font-size:18px;font-weight:600;line-height:1.45;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wu-news-desc{font-size:15px;color:var(--c-t2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wu-news-meta{margin-top:auto;font-size:12px;color:var(--c-t3);font-variant-numeric:tabular-nums}
.wu-empty{grid-column:1/-1;padding:56px 24px;text-align:center;border-radius:var(--r-md);background:var(--c-bg-1);border:1px dashed rgba(242,169,59,.3)}
.wu-empty i{font-size:26px;color:var(--c-t3);margin-bottom:12px;display:block}
.wu-empty p{color:var(--c-t2);font-size:15px;margin-bottom:16px}

/* ============ FAQ ============ */
.wu-faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;align-items:start}
.wu-faq .accordion-item{background:var(--c-bg-1);border:1px solid var(--c-sep);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden}
.wu-faq .accordion-button{background:transparent;color:var(--c-t1);font-size:17px;font-weight:600;padding:20px 52px 20px 22px;border:0;box-shadow:none;line-height:1.5}
.wu-faq .accordion-button:not(.collapsed){color:var(--c-gold);background:rgba(242,169,59,.06)}
.wu-faq .accordion-button::after{display:none}
.wu-faq .accordion-button .wu-plus{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;border:1px solid rgba(242,169,59,.4);color:var(--c-gold);display:grid;place-items:center;font-size:11px;transition:transform .18s var(--ease)}
.wu-faq .accordion-button:not(.collapsed) .wu-plus{transform:translateY(-50%) rotate(180deg)}
.wu-faq .accordion-body{color:var(--c-t2);font-size:15px;padding:0 22px 22px;border-left:3px solid var(--c-gold);margin:0 0 4px 22px;padding-left:18px}
.wu-faq .accordion-button:focus{box-shadow:none;border-color:transparent}

/* ============ CTA ============ */
.wu-cta{padding:0 0 88px}
.wu-cta-inner{position:relative;border-radius:var(--r-lg);padding:56px;background:var(--c-bg-1);border:1px solid var(--c-line);overflow:hidden;text-align:center}
.wu-cta-inner::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 260px at 50% 0%,rgba(242,169,59,.14),transparent 70%)}
.wu-cta-inner>*{position:relative}
.wu-cta-inner h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.wu-cta-inner p{color:var(--c-t2);margin:14px auto 26px;max-width:52ch}
.wu-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
.wu-footer{background:var(--c-bg-0);border-top:1px solid var(--c-line);padding:64px 0 0;position:relative}
.wu-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.wu-footer-brand p{color:var(--c-t2);font-size:14px;margin-top:16px;max-width:34ch}
.wu-footer h4{font-size:14px;font-weight:600;color:var(--c-t1);margin-bottom:16px;letter-spacing:.04em}
.wu-footer-col ul{display:flex;flex-direction:column;gap:10px}
.wu-footer-col a,.wu-footer-col li{color:var(--c-t2);font-size:14px}
.wu-footer-col a:hover{color:var(--c-gold)}
.wu-footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--c-sep);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3);margin:0}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .wu-mobile-nav{display:none !important}
  .wu-nav-panel.d-none.d-lg-flex{display:flex !important}
}
@media (max-width:1199px){
  .wu-steps-layout,.wu-faq-wrap,.wu-split{gap:40px}
}
@media (max-width:991px){
  .wu-section{padding:64px 0}
  .wu-hero{padding:126px 0 56px}
  .wu-hero-grid{grid-template-columns:1fr;gap:36px}
  .wu-hero-visual{order:2}
  .wu-steps-layout{grid-template-columns:1fr;gap:32px}
  .wu-steps-aside{position:static}
  .wu-step:nth-child(even){margin-left:0}
  .wu-reward-grid{grid-template-columns:1fr}
  .wu-timeline{grid-template-columns:1fr;gap:0}
  .wu-timeline::before{top:0;bottom:0;left:10px;right:auto;width:1px;height:auto;background:linear-gradient(180deg,rgba(242,169,59,.5),rgba(56,200,180,.3),rgba(255,255,255,.06))}
  .wu-tl-item{padding:0 0 28px 44px}
  .wu-tl-dot{top:2px}
  .wu-split{grid-template-columns:1fr;gap:32px}
  .wu-faq-wrap{grid-template-columns:1fr;gap:28px}
  .wu-news-grid{grid-template-columns:repeat(2,1fr)}
  .wu-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .wu-cta-inner{padding:40px 24px}
}
@media (max-width:767px){
  .wu-section{padding:48px 0}
  .wu-container{padding:0 16px}
  .wu-hero{padding:112px 0 44px}
  .wu-hero h1{font-size:clamp(30px,8vw,36px)}
  .wu-h2{font-size:26px}
  .wu-hero-actions .wu-btn{flex:1 1 100%}
  .wu-news-grid{grid-template-columns:1fr}
  .wu-footer-grid{grid-template-columns:1fr}
  .wu-brand-text{font-size:15px}
  .wu-cta{padding-bottom:56px}
}
@media (max-width:399px){
  .wu-brand-text em{display:none}
  .wu-brand-mark{width:38px;height:38px;font-size:16px}
  .wu-step{padding:18px;gap:14px}
}

/* roulang page: article */
/* ============ 设计令牌 ============ */
:root{
  --bs-primary:#F2A93B;
  --bs-body-bg:#070B14;
  --bs-body-color:#F2F5FA;
  --bs-link-color:#F2A93B;
  --bs-link-hover-color:#FFC868;
  --bs-border-radius:16px;
  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-div:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-h:#FFC868;
  --c-gold-d:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--c-t1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-t2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-gold-h)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--c-t1)}
p{margin:0}
::selection{background:rgba(242,169,59,.28);color:#fff}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;border-radius:6px}

/* 背景装饰：锁子甲斜纹 + 琥珀光斑 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(45deg,rgba(242,169,59,.028) 0 1px,transparent 1px 9px),
    repeating-linear-gradient(-45deg,rgba(56,200,180,.022) 0 1px,transparent 1px 9px),
    radial-gradient(680px 420px at 82% -6%,rgba(242,169,59,.13),transparent 62%),
    radial-gradient(560px 380px at 4% 12%,rgba(56,200,180,.08),transparent 66%);
}
.wu-body{position:relative;z-index:1}

/* ============ 容器 ============ */
.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767.98px){.wu-container{padding:0 16px}}

/* ============ 头部导航 ============ */
.wu-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  padding:14px 0;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),padding .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.wu-header.is-scrolled{
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--c-line);
  padding:10px 0;
}
.wu-header-inner{display:flex;align-items:center;gap:18px;justify-content:space-between}
.wu-brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-t1);flex:0 0 auto}
.wu-brand:hover{color:var(--c-t1)}
.wu-brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#F2A93B,#D9912A);
  color:#141414;font-size:17px;
  box-shadow:0 6px 18px rgba(242,169,59,.28);
}
.wu-brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;letter-spacing:.02em;line-height:1.15}
.wu-brand-text em{font-style:normal;font-size:10px;letter-spacing:.24em;color:var(--c-t3);font-weight:600;margin-top:2px}

.wu-nav-panel{
  align-items:center;
  gap:4px;
  padding:6px;
  border-radius:var(--r-lg);
  background:rgba(13,21,36,.72);
  border:1px solid var(--c-div);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
}
.wu-nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  color:var(--c-t2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.wu-nav-link i{font-size:14px;color:var(--c-t3);transition:color .2s var(--ease)}
.wu-nav-link:hover{color:var(--c-t1);background:rgba(242,169,59,.09)}
.wu-nav-link:hover i{color:var(--c-gold)}
.wu-nav-link.active{
  color:#FFE3AE;
  background:rgba(242,169,59,.14);
  box-shadow:inset 0 0 0 1px rgba(242,169,59,.45);
}
.wu-nav-link.active i{color:var(--c-gold)}

.wu-header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.wu-burger{
  width:44px;height:44px;border-radius:var(--r-sm);
  background:rgba(19,31,51,.7);
  border:1px solid var(--c-div);
  color:var(--c-t1);font-size:17px;
  display:grid;place-items:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.wu-burger:hover{border-color:rgba(242,169,59,.45);color:var(--c-gold)}

/* 移动抽屉 */
.wu-drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(360px,88vw);
  z-index:1040;
  background:linear-gradient(180deg,rgba(13,21,36,.98),rgba(7,11,20,.99));
  border-left:1px solid var(--c-line);
  transform:translateX(102%);
  transition:transform .32s var(--ease);
  display:flex;flex-direction:column;
  padding:18px 18px 22px;
  overflow-y:auto;
}
.wu-drawer.is-open{transform:translateX(0)}
.wu-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.wu-drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:transparent;border:1px solid var(--c-div);color:var(--c-t2);font-size:16px;
}
.wu-drawer-close:hover{color:var(--c-gold);border-color:rgba(242,169,59,.45)}
.wu-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.wu-drawer-card{
  display:flex;flex-direction:column;gap:8px;
  padding:14px 12px;
  border-radius:var(--r-md);
  background:var(--c-bg-1);
  border:1px solid var(--c-div);
  font-size:13px;color:var(--c-t2);
  transition:border-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.wu-drawer-card i{font-size:16px;color:var(--c-gold)}
.wu-drawer-card:hover,.wu-drawer-card.active{color:var(--c-t1);border-color:rgba(242,169,59,.45);transform:translateY(-2px)}
.wu-drawer-foot{margin-top:auto;padding-top:20px}
.wu-drawer-foot .wu-btn{width:100%;justify-content:center}
.wu-overlay{
  position:fixed;inset:0;background:rgba(4,7,14,.62);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:1035;
}
.wu-overlay.is-open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.wu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.wu-btn-primary{
  background:linear-gradient(135deg,#F2A93B,#D9912A);
  color:#1A1305;
  box-shadow:var(--sh-glow);
}
.wu-btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,169,59,.5),0 14px 32px rgba(242,169,59,.28);color:#1A1305}
.wu-btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#D9912A,#C37F1F)}
.wu-btn-ghost{
  background:transparent;
  border-color:rgba(242,169,59,.4);
  color:#FFDCA4;
}
.wu-btn-ghost:hover{background:rgba(242,169,59,.12);color:#FFE6BC;border-color:rgba(242,169,59,.65)}
.wu-btn-sm{min-height:38px;padding:8px 16px;font-size:13px}

/* 文字链 */
.wu-textlink{
  color:var(--c-t2);
  font-size:14px;
  font-weight:600;
  padding-bottom:2px;
  border-bottom:2px solid rgba(242,169,59,.55);
  text-underline-offset:4px;
}
.wu-textlink:hover{color:var(--c-t1);border-bottom-color:var(--c-gold-h)}
.wu-textlink i{font-size:12px;margin-left:4px}

/* ============ 标签/徽章 ============ */
.wu-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.02em;
  background:rgba(56,200,180,.12);
  color:#7EE4D5;
  border:1px solid rgba(56,200,180,.24);
}
.wu-badge-gold{background:rgba(242,169,59,.14);color:#FFD79A;border-color:rgba(242,169,59,.28)}

/* ============ 文章页：头部 ============ */
.wu-main{padding-top:112px}
.wu-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-t3);
  margin-bottom:18px;
}
.wu-crumb a{color:var(--c-t2)}
.wu-crumb a:hover{color:var(--c-gold-h)}
.wu-crumb .sep{color:var(--c-t3);opacity:.7}
.wu-crumb .current{color:var(--c-t3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.wu-article-head{
  padding:26px 0 30px;
  border-bottom:1px solid var(--c-div);
}
.wu-article-head h1{
  font-size:44px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:.005em;
  max-width:900px;
}
.wu-article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;
  font-size:13.5px;color:var(--c-t3);
}
.wu-article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-t3);opacity:.6}
.wu-article-meta i{color:var(--c-gold);margin-right:5px;font-size:12.5px}
.wu-article-meta .num{font-variant-numeric:tabular-nums;color:var(--c-cloud)}

/* ============ 文章布局 ============ */
.wu-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
  padding:44px 0 8px;
}
.wu-post{min-width:0}

.wu-post-cover{
  margin:0 0 34px;
  border-radius:var(--r-md);
  overflow:hidden;
  position:relative;
  background:var(--c-bg-2);
  box-shadow:var(--sh-1);
}
.wu-post-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .5s var(--ease);
}
.wu-post-cover:hover img{transform:scale(1.02)}
.wu-post-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 18px 12px;
  font-size:13px;color:var(--c-t2);
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(7,11,20,.88));
}

/* 正文排版 */
.wu-prose{
  max-width:820px;
  font-size:17px;
  line-height:1.9;
  color:#DCE4F1;
  word-wrap:break-word;
}
.wu-prose > * + *{margin-top:1.2em}
.wu-prose p{color:#DCE4F1}
.wu-prose h2{
  position:relative;
  margin-top:40px;
  margin-bottom:16px;
  padding-left:16px;
  font-size:27px;
  line-height:1.35;
  font-weight:700;
  color:var(--c-t1);
}
.wu-prose h2::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.24em;
  width:3px;border-radius:2px;
  background:linear-gradient(180deg,#F2A93B,#D9912A);
}
.wu-prose h3{
  margin-top:28px;margin-bottom:12px;
  font-size:20px;font-weight:600;color:#EAF0FA;
}
.wu-prose h4{margin-top:22px;margin-bottom:10px;font-size:17px;font-weight:600;color:#EAF0FA}
.wu-prose a{color:var(--c-gold-h);border-bottom:1px solid rgba(242,169,59,.4)}
.wu-prose a:hover{color:#FFE6BC;border-bottom-color:#FFE6BC}
.wu-prose ul,.wu-prose ol{padding-left:1.35em}
.wu-prose ul{list-style:disc}
.wu-prose ol{list-style:decimal}
.wu-prose li{margin:8px 0;color:#DCE4F1}
.wu-prose li::marker{color:var(--c-gold)}
.wu-prose blockquote{
  margin:26px 0;
  padding:18px 20px;
  border-left:3px solid var(--c-gold);
  background:rgba(19,31,51,.6);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-t2);
  font-style:normal;
}
.wu-prose blockquote p{color:var(--c-t2);margin:0}
.wu-prose img{
  width:100%;
  margin:26px 0;
  border-radius:var(--r-md);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
}
.wu-prose figure{margin:26px 0}
.wu-prose figcaption{font-size:13px;color:var(--c-t3);text-align:center;margin-top:10px}
.wu-prose table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:15px;
  border-radius:var(--r-sm);
}
.wu-prose th,.wu-prose td{
  padding:11px 14px;
  border:1px solid var(--c-div);
  text-align:left;
  white-space:nowrap;
}
.wu-prose th{background:var(--c-bg-2);color:var(--c-t1);font-weight:600}
.wu-prose tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.wu-prose code{
  padding:2px 6px;
  border-radius:6px;
  background:rgba(56,200,180,.1);
  color:#8FE9DC;
  font-size:14.5px;
}
.wu-prose pre{
  background:var(--c-bg-0);
  border:1px solid var(--c-div);
  border-radius:var(--r-sm);
  padding:16px 18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.wu-prose pre code{background:transparent;padding:0;color:#CFE6FF}
.wu-prose hr{border:0;border-top:1px solid var(--c-div);margin:32px 0}

/* 内容未找到 */
.wu-empty{
  padding:52px 28px;
  border-radius:var(--r-md);
  background:var(--c-bg-1);
  border:1px solid var(--c-div);
  text-align:center;
}
.wu-empty i{font-size:30px;color:var(--c-t3);margin-bottom:14px;display:block}
.wu-empty h3{font-size:20px;margin-bottom:8px}
.wu-empty p{color:var(--c-t2);font-size:15px;margin-bottom:20px}

/* 侧栏 */
.wu-side{
  position:sticky;
  top:96px;
  display:flex;flex-direction:column;gap:18px;
}
.wu-side-card{
  background:var(--c-bg-1);
  border:1px solid var(--c-div);
  border-radius:var(--r-md);
  padding:20px;
}
.wu-side-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.03em;
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
}
.wu-side-card h3 i{color:var(--c-gold);font-size:14px}
.wu-side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;
  font-size:14px;
  color:var(--c-t2);
  border-bottom:1px dashed var(--c-div);
  line-height:1.6;
}
.wu-side-list li:last-child{border-bottom:0}
.wu-side-list li i{color:var(--c-cloud);font-size:12px;margin-top:6px}
.wu-mini{
  display:flex;gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--c-div);
}
.wu-mini:last-child{border-bottom:0;padding-bottom:0}
.wu-mini:first-child{padding-top:0}
.wu-mini-thumb{
  width:72px;height:54px;flex:0 0 72px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--c-bg-2);
}
.wu-mini-thumb img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.wu-mini-body{min-width:0}
.wu-mini-body strong{
  display:block;
  font-size:14px;font-weight:600;color:var(--c-t1);
  line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.wu-mini-body span{display:block;font-size:12px;color:var(--c-t3);margin-top:5px;font-variant-numeric:tabular-nums}
.wu-mini:hover strong{color:var(--c-gold-h)}

/* ============ 相关推荐 ============ */
.wu-section{padding:88px 0}
.wu-section-tight{padding:64px 0}
.wu-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;
}
.wu-sec-head h2{font-size:34px;font-weight:700;line-height:1.28}
.wu-sec-head p{color:var(--c-t2);font-size:15px;margin-top:10px;max-width:640px}
.wu-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

.wu-card{
  display:flex;flex-direction:column;
  background:var(--c-bg-1);
  border:1px solid var(--c-div);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.wu-card:hover{
  transform:translateY(-4px);
  border-color:rgba(242,169,59,.45);
  box-shadow:var(--sh-2);
}
.wu-card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-bg-2);
}
.wu-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.wu-card:hover .wu-card-media img{transform:scale(1.04)}
.wu-card-media::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  border-radius:inherit;
}
.wu-card-media .wu-badge{position:absolute;left:12px;top:12px;z-index:2;background:rgba(7,11,20,.72);backdrop-filter:blur(6px)}
.wu-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.wu-card-body h3{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.wu-card-body p{
  font-size:15px;color:var(--c-t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.wu-card-time{font-size:13px;color:var(--c-t3);font-variant-numeric:tabular-nums;margin-top:auto}

/* ============ CTA ============ */
.wu-cta{
  position:relative;
  padding:72px 0;
  background:
    radial-gradient(600px 300px at 78% 10%,rgba(242,169,59,.14),transparent 60%),
    linear-gradient(180deg,#0A1020,#070B14);
  border-top:1px solid var(--c-div);
  border-bottom:1px solid var(--c-div);
}
.wu-cta-inner{
  border-radius:var(--r-lg);
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.wu-cta-inner h2{font-size:30px;line-height:1.3}
.wu-cta-inner p{color:var(--c-t2);font-size:15.5px;margin-top:12px;max-width:560px}
.wu-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.wu-footer{
  background:var(--c-bg-0);
  border-top:1px solid var(--c-line);
  padding:64px 0 0;
}
.wu-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:44px;
}
.wu-footer-brand p{color:var(--c-t2);font-size:14.5px;line-height:1.8;margin-top:16px;max-width:340px}
.wu-footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--c-t1)}
.wu-footer-col ul li{margin-bottom:11px}
.wu-footer-col ul li a{font-size:14.5px;color:var(--c-t2)}
.wu-footer-col ul li a:hover{color:var(--c-gold-h)}
.wu-footer-col ul li{font-size:14.5px;color:var(--c-t2)}
.wu-footer-bottom{
  border-top:1px solid var(--c-div);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wu-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .wu-side{position:static;top:auto}
  .wu-article-head h1{font-size:38px}
}
@media (max-width:991.98px){
  .wu-main{padding-top:96px}
  .wu-section{padding:64px 0}
  .wu-cta-inner{flex-direction:column;align-items:flex-start;padding:34px}
  .wu-footer-grid{grid-template-columns:1fr 1fr}
  .wu-article-head h1{font-size:33px}
  .wu-prose h2{font-size:24px}
}
@media (max-width:767.98px){
  .wu-section{padding:48px 0}
  .wu-section-tight{padding:44px 0}
  .wu-grid-3{grid-template-columns:1fr}
  .wu-sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .wu-sec-head h2{font-size:26px}
  .wu-article-head h1{font-size:29px}
  .wu-article-head{padding:20px 0 24px}
  .wu-layout{padding:30px 0 0}
  .wu-prose{font-size:16.5px}
  .wu-prose h2{font-size:22px;margin-top:32px}
  .wu-cta{padding:52px 0}
  .wu-cta-inner h2{font-size:24px}
  .wu-cta-actions{width:100%}
  .wu-cta-actions .wu-btn{flex:1 1 160px}
  .wu-footer-grid{grid-template-columns:1fr;gap:28px}
  .wu-footer{padding-top:48px}
  .wu-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:399.98px){
  .wu-article-head h1{font-size:26px}
  .wu-card-body{padding:16px}
  .wu-side-card{padding:16px}
}

/* roulang page: category1 */
:root{
  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-hair:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-h:#FFC868;
  --c-gold-a:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --bs-body-bg:#070B14;
  --bs-body-color:#F2F5FA;
  --bs-primary:#F2A93B;
  --bs-link-color:#F2A93B;
  --bs-link-hover-color:#FFC868;
  --bs-border-color:rgba(255,255,255,.06);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--c-t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(135deg,rgba(242,169,59,.028) 0 2px,transparent 2px 11px),
    radial-gradient(720px 460px at 82% -12%,rgba(242,169,59,.10),transparent 70%),
    radial-gradient(600px 420px at 6% 24%,rgba(56,200,180,.06),transparent 72%);
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:var(--c-gold);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-gold-h)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;border-radius:6px}
.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.wu-section{padding:88px 0;position:relative;z-index:1}
.wu-section--tight{padding:64px 0}
.wu-section--alt{background:var(--c-bg-1);border-top:1px solid var(--c-hair);border-bottom:1px solid var(--c-hair)}
.wu-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--c-gold);text-transform:uppercase;font-weight:600}
.wu-kicker::before{content:"";width:22px;height:1px;background:var(--c-gold);display:block}
.wu-h2{font-size:36px;line-height:1.3;font-weight:700;margin:14px 0 12px}
.wu-h3{font-size:22px;line-height:1.4;font-weight:600}
.wu-h4{font-size:18px;line-height:1.5;font-weight:600}
.wu-lead{color:var(--c-t2);font-size:16.5px;max-width:720px}
.wu-note{color:var(--c-t3);font-size:14px;line-height:1.6}

/* ============ 导航 ============ */
.wu-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
  border-bottom:1px solid transparent;
}
.wu-header.wu-scrolled{
  background:var(--c-glass);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.wu-header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.wu-brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.wu-brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(242,169,59,.22),rgba(242,169,59,.06));
  border:1px solid var(--c-line);
  color:var(--c-gold);
  font-size:17px;
}
.wu-brand-text{display:flex;flex-direction:column;line-height:1.15;color:var(--c-t1);font-weight:700;font-size:17px}
.wu-brand-text em{font-style:normal;font-size:10.5px;letter-spacing:.22em;color:var(--c-t3);font-weight:500;margin-top:3px}
.wu-nav-panel{
  margin-left:auto;
  align-items:center;
  gap:6px;
  padding:7px;
  border-radius:var(--r-lg);
  background:rgba(19,31,51,.55);
  border:1px solid var(--c-hair);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.wu-nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;
  min-height:44px;
  border-radius:14px;
  font-size:13px;
  color:var(--c-t2);
  border:1px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.wu-nav-link i{font-size:14px;color:var(--c-t3);transition:color .2s ease}
.wu-nav-link:hover{background:rgba(242,169,59,.10);color:var(--c-t1);border-color:rgba(242,169,59,.22)}
.wu-nav-link:hover i{color:var(--c-gold)}
.wu-nav-link.active{
  background:rgba(242,169,59,.14);
  border-color:rgba(242,169,59,.45);
  color:var(--c-gold-h);
}
.wu-nav-link.active i{color:var(--c-gold)}
.wu-header-cta{margin-left:12px}

.wu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.wu-btn-primary{
  background:linear-gradient(135deg,#F2A93B,#D9912A);
  color:#1A1206;
  box-shadow:var(--sh-glow);
}
.wu-btn-primary:hover{
  background:linear-gradient(135deg,#FFC868,#E39C2E);
  color:#1A1206;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(242,169,59,.42),0 14px 32px rgba(242,169,59,.24);
}
.wu-btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.wu-btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:rgba(242,169,59,.4);
  color:#F6CB86;
}
.wu-btn-ghost:hover{background:rgba(242,169,59,.12);color:var(--c-gold-h);border-color:rgba(242,169,59,.62);transform:translateY(-2px)}
.wu-btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.wu-btn-sm{min-height:40px;padding:8px 18px;font-size:14px}
.wu-btn-block{width:100%}

.wu-link-more{
  color:var(--c-t2);
  font-size:14px;
  font-weight:600;
  border-bottom:2px solid var(--c-gold);
  padding-bottom:1px;
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease,border-color .2s ease;
}
.wu-link-more::after{content:"›";font-size:16px;line-height:1;transform:translateY(-1px)}
.wu-link-more:hover{color:var(--c-t1);border-color:var(--c-gold-h)}

.wu-burger{
  margin-left:auto;
  width:46px;height:46px;
  border-radius:14px;
  background:rgba(19,31,51,.6);
  border:1px solid var(--c-line);
  color:var(--c-gold);
  font-size:17px;
  display:grid;place-items:center;
  cursor:pointer;
}
.wu-drawer{
  position:fixed;
  top:0;right:0;
  width:min(340px,86vw);
  height:100%;
  z-index:80;
  background:var(--c-bg-1);
  border-left:1px solid var(--c-line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;
  padding:18px;
  gap:16px;
  overflow-y:auto;
}
.wu-drawer.open{transform:translateX(0)}
.wu-drawer-head{display:flex;align-items:center;justify-content:space-between}
.wu-drawer-title{font-size:14px;color:var(--c-t3);letter-spacing:.08em}
.wu-drawer-close{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--c-hair);color:var(--c-t2);cursor:pointer}
.wu-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.wu-drawer-card{
  display:flex;flex-direction:column;gap:8px;
  padding:14px 12px;
  min-height:78px;
  border-radius:14px;
  background:var(--c-bg-2);
  border:1px solid var(--c-hair);
  color:var(--c-t2);
  font-size:13px;
  transition:all .2s ease;
}
.wu-drawer-card i{font-size:17px;color:var(--c-t3)}
.wu-drawer-card:hover{border-color:rgba(242,169,59,.4);color:var(--c-t1)}
.wu-drawer-card.active{border-color:rgba(242,169,59,.5);background:rgba(242,169,59,.12);color:var(--c-gold-h)}
.wu-drawer-card.active i{color:var(--c-gold)}
.wu-drawer-cta{margin-top:auto}
.wu-drawer-mask{
  position:fixed;inset:0;z-index:70;
  background:rgba(4,7,13,.62);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.wu-drawer-mask.open{opacity:1;visibility:visible}

/* ============ Banner ============ */
.wu-banner{
  position:relative;
  padding:150px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--c-hair);
}
.wu-banner::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(7,11,20,.94) 12%,rgba(7,11,20,.74) 58%,rgba(7,11,20,.92) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  z-index:0;
}
.wu-banner-inner{position:relative;z-index:1;max-width:860px}
.wu-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-t3);margin-bottom:22px}
.wu-crumb a{color:var(--c-t2)}
.wu-crumb a:hover{color:var(--c-gold)}
.wu-crumb span.sep{color:var(--c-t3)}
.wu-crumb .current{color:var(--c-t3)}
.wu-banner-glass{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--c-glass);
  border:1px solid var(--c-line);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  font-size:12.5px;
  color:#F6CB86;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.wu-banner h1{
  font-size:54px;
  line-height:1.18;
  font-weight:800;
  letter-spacing:.005em;
  margin-bottom:16px;
}
.wu-banner h1 em{font-style:normal;color:var(--c-gold)}
.wu-banner-sub{color:var(--c-t2);font-size:17px;max-width:640px;margin-bottom:26px}
.wu-banner-actions{display:flex;flex-wrap:wrap;gap:12px}
.wu-banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.wu-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  letter-spacing:.02em;
  background:rgba(56,200,180,.12);
  color:#6FE3D2;
  border:1px solid rgba(56,200,180,.22);
}
.wu-tag--gold{background:rgba(242,169,59,.14);color:#F7CB8B;border-color:rgba(242,169,59,.24)}
.wu-tag--plain{background:rgba(255,255,255,.04);color:var(--c-t2);border-color:var(--c-hair)}

.wu-cloud-divider{line-height:0;position:relative;z-index:1}
.wu-cloud-divider svg{width:100%;height:64px;display:block}

/* ============ 大图卡网格 ============ */
.wu-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px}
.wu-filters{display:flex;flex-wrap:wrap;gap:8px}
.wu-filter{
  padding:8px 15px;min-height:38px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--c-t2);
  background:var(--c-bg-2);
  border:1px solid var(--c-hair);
  cursor:pointer;
  transition:all .2s ease;
}
.wu-filter:hover{border-color:rgba(242,169,59,.4);color:var(--c-t1)}
.wu-filter.active{background:rgba(242,169,59,.14);border-color:rgba(242,169,59,.45);color:var(--c-gold-h)}
.wu-media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wu-media-card{
  background:var(--c-bg-1);
  border:1px solid var(--c-hair);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
  box-shadow:var(--sh-1);
}
.wu-media-card:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.45);box-shadow:var(--sh-2)}
.wu-media-card--wide{grid-column:span 2}
.wu-media-link{display:flex;flex-direction:column;height:100%;color:inherit}
.wu-media-card--wide .wu-media-link{flex-direction:row}
.wu-media-thumb{
  position:relative;
  background:var(--c-bg-2);
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--c-hair);
}
.wu-media-card--wide .wu-media-thumb{flex:1 1 52%;aspect-ratio:auto;min-height:270px;border-bottom:0;border-right:1px solid var(--c-hair)}
.wu-media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.wu-media-card:hover .wu-media-thumb img{transform:scale(1.04)}
.wu-media-thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);border-radius:inherit;pointer-events:none}
.wu-media-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.wu-media-body h3{font-size:18px;font-weight:600;line-height:1.5}
.wu-media-card--wide .wu-media-body h3{font-size:24px;line-height:1.4}
.wu-media-body p{color:var(--c-t2);font-size:15px;line-height:1.7}
.wu-media-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.wu-meta-time{font-size:13px;color:var(--c-t3)}

/* ============ 要点板块 ============ */
.wu-split{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.wu-sticky{position:sticky;top:110px}
.wu-point-list{display:flex;flex-direction:column;gap:20px}
.wu-point{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  padding:24px;
  background:var(--c-bg-1);
  border:1px solid var(--c-hair);
  border-radius:var(--r-md);
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.wu-point:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2)}
.wu-point-num{
  width:56px;height:56px;border-radius:14px;
  display:grid;place-items:center;
  font-size:17px;font-weight:700;
  color:var(--c-gold);
  background:rgba(242,169,59,.10);
  border:1px solid var(--c-line);
}
.wu-point h3{margin-bottom:8px}
.wu-point p{color:var(--c-t2);font-size:15px}
.wu-point:nth-child(even){margin-left:26px}

/* ============ 时间轴 ============ */
.wu-timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.wu-timeline::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(242,169,59,.5),rgba(56,200,180,.35),rgba(255,255,255,.08));
}
.wu-node{position:relative;padding-top:60px;text-align:left}
.wu-node-dot{
  position:absolute;top:14px;left:0;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-bg-0);
  border:1px solid var(--c-hair);
  display:grid;place-items:center;
}
.wu-node-dot i{font-size:11px;color:var(--c-t3)}
.wu-node--done .wu-node-dot{border-color:rgba(56,200,180,.5)}
.wu-node--done .wu-node-dot i{color:var(--c-cloud)}
.wu-node--now .wu-node-dot{border-color:var(--c-gold);box-shadow:0 0 0 6px rgba(242,169,59,.12)}
.wu-node--now .wu-node-dot::after{
  content:"";position:absolute;inset:5px;border-radius:50%;background:var(--c-gold);
  animation:wuPulse 1.8s ease-in-out infinite;
}
@keyframes wuPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.72)}}
.wu-node h3{font-size:17px;font-weight:600;margin-bottom:8px}
.wu-node p{font-size:14px;color:var(--c-t2)}
.wu-node-state{display:inline-block;margin-bottom:8px;font-size:12px;letter-spacing:.02em;padding:3px 10px;border-radius:var(--r-pill)}
.wu-node--done .wu-node-state{background:rgba(56,200,180,.12);color:#6FE3D2}
.wu-node--now .wu-node-state{background:rgba(228,87,46,.16);color:#F09A7C}
.wu-node--next .wu-node-state{background:rgba(255,255,255,.05);color:var(--c-t3)}

/* ============ 数据卡 ============ */
.wu-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.wu-stat{
  padding:24px;
  border-radius:var(--r-md);
  background:var(--c-bg-1);
  border:1px solid var(--c-hair);
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1)
}
.wu-stat:hover{border-color:rgba(242,169,59,.4);transform:translateY(-4px)}
.wu-stat-label{font-size:13px;color:var(--c-t3);margin-bottom:10px}
.wu-stat-value{font-size:30px;font-weight:700;color:var(--c-cloud);line-height:1.2;font-variant-numeric:tabular-nums}
.wu-stat-desc{font-size:13.5px;color:var(--c-t2);margin-top:8px}

/* ============ 图文分组 ============ */
.wu-duo{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.wu-duo-card{
  background:var(--c-bg-1);
  border:1px solid var(--c-hair);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.wu-duo-card:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2)}
.wu-duo-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-bg-2)}
.wu-duo-body{padding:24px}
.wu-duo-body h3{margin:12px 0 10px}
.wu-duo-body p{color:var(--c-t2);font-size:15px;margin-bottom:14px}

/* ============ FAQ ============ */
.wu-faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.wu-faq-item{
  background:var(--c-bg-1);
  border:1px solid var(--c-hair);
  border-radius:var(--r-md);
  position:relative;
  overflow:hidden;
}
.wu-faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--c-gold);
  transform:scaleY(0);transform-origin:top;
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.wu-faq-item.open::before{transform:scaleY(1)}
.wu-faq-btn{
  width:100%;
  background:transparent;
  border:0;
  color:var(--c-t1);
  text-align:left;
  padding:20px 56px 20px 24px;
  font-size:16.5px;
  font-weight:600;
  cursor:pointer;
  position:relative;
  min-height:44px;
}
.wu-faq-btn:hover{color:var(--c-gold-h)}
.wu-faq-icon{
  position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  width:22px;height:22px;
  color:var(--c-gold);
  display:grid;place-items:center;
  transition:transform .18s ease;
}
.wu-faq-item.open .wu-faq-icon{transform:translateY(-50%) rotate(180deg)}
.wu-faq-panel{max-height:0;overflow:hidden;transition:max-height .28s ease}
.wu-faq-panel p{padding:0 24px 22px;color:var(--c-t2);font-size:15px}
.wu-faq-item.open .wu-faq-panel{max-height:320px}

/* ============ CTA ============ */
.wu-cta-band{
  position:relative;
  padding:88px 0;
  background:var(--c-bg-1);
  border-top:1px solid var(--c-hair);
  overflow:hidden;
}
.wu-cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(680px 320px at 78% 40%,rgba(242,169,59,.14),transparent 68%);
  z-index:0;
}
.wu-cta-box{
  position:relative;z-index:1;
  background:var(--c-glass);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  padding:44px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  align-items:center;
  box-shadow:var(--sh-2);
}
.wu-cta-box h2{font-size:30px;line-height:1.35;margin-bottom:10px}
.wu-cta-box p{color:var(--c-t2);font-size:15.5px;max-width:620px}
.wu-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.wu-footer{background:var(--c-bg-0);border-top:1px solid var(--c-line);padding:64px 0 28px;position:relative;z-index:1}
.wu-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.wu-footer-brand p{color:var(--c-t2);font-size:14.5px;margin-top:18px;max-width:320px}
.wu-footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-t1)}
.wu-footer-col ul{display:flex;flex-direction:column;gap:11px}
.wu-footer-col li,.wu-footer-col a{font-size:14px;color:var(--c-t2)}
.wu-footer-col a:hover{color:var(--c-gold)}
.wu-footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--c-hair);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3)}

@media (max-width:1199px){
  .wu-nav-panel{gap:2px;padding:6px}
  .wu-nav-link{padding:8px 11px;font-size:12.5px}
  .wu-split{grid-template-columns:1fr;gap:32px}
  .wu-sticky{position:static}
  .wu-stat-grid{grid-template-columns:repeat(2,1fr)}
  .wu-banner h1{font-size:44px}
  .wu-h2{font-size:32px}
}
@media (max-width:991.98px){
  .wu-section{padding:64px 0}
  .wu-banner{padding:126px 0 60px}
  .wu-banner h1{font-size:40px}
  .wu-media-grid{grid-template-columns:repeat(2,1fr)}
  .wu-media-card--wide{grid-column:span 2}
  .wu-media-card--wide .wu-media-link{flex-direction:column}
  .wu-media-card--wide .wu-media-thumb{flex:none;aspect-ratio:16/9;min-height:0;border-right:0;border-bottom:1px solid var(--c-hair)}
  .wu-media-card--wide .wu-media-body h3{font-size:20px}
  .wu-timeline{grid-template-columns:repeat(2,1fr);gap:28px}
  .wu-timeline::before{display:none}
  .wu-duo{grid-template-columns:1fr}
  .wu-cta-box{grid-template-columns:1fr;padding:32px}
  .wu-footer-grid{grid-template-columns:1fr 1fr}
  .wu-point:nth-child(even){margin-left:0}
}
@media (max-width:767.98px){
  .wu-container{padding:0 16px}
  .wu-section{padding:48px 0}
  .wu-banner{padding:112px 0 48px}
  .wu-banner h1{font-size:34px}
  .wu-banner-sub{font-size:15.5px}
  .wu-h2{font-size:26px}
  .wu-media-grid{grid-template-columns:1fr;gap:18px}
  .wu-media-card--wide{grid-column:span 1}
  .wu-media-body{padding:18px}
  .wu-timeline{grid-template-columns:1fr;gap:22px}
  .wu-stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .wu-stat{padding:18px}
  .wu-stat-value{font-size:24px}
  .wu-point{grid-template-columns:44px 1fr;padding:18px;gap:14px}
  .wu-point-num{width:44px;height:44px;font-size:15px}
  .wu-cta-box{padding:24px}
  .wu-cta-box h2{font-size:24px}
  .wu-cta-actions{flex-direction:column;align-items:stretch}
  .wu-banner-actions .wu-btn{width:100%}
  .wu-footer{padding:48px 0 24px}
  .wu-footer-grid{grid-template-columns:1fr;gap:26px}
  .wu-footer-bottom{flex-direction:column}
}
@media (max-width:399.98px){
  .wu-banner h1{font-size:30px}
  .wu-h2{font-size:23px}
  .wu-stat-grid{grid-template-columns:1fr}
  .wu-drawer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --bs-primary:#F2A93B;
  --bs-body-bg:#070B14;
  --bs-body-color:#F2F5FA;
  --bs-link-color:#A9B6CC;
  --bs-link-hover-color:#F2A93B;
  --bs-border-color:rgba(255,255,255,.06);
  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-divider:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-hi:#FFC868;
  --c-gold-dn:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --c-ok:#35C08B;
  --c-warn:#E0A62B;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-t1);
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(900px 520px at 80% -10%, rgba(242,169,59,.10), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.016) 0 2px, transparent 2px 14px);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-t2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-gold);}
h1,h2,h3,h4{margin:0;color:var(--c-t1);line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;}

.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 品牌 ===== */
.wu-brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-t1);}
.wu-brand:hover{color:var(--c-t1);}
.wu-brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#F2A93B,#D9912A);
  color:#0A0F1A;font-size:18px;
  box-shadow:0 6px 18px rgba(242,169,59,.22);
}
.wu-brand-text{display:flex;flex-direction:column;font-size:18px;font-weight:800;letter-spacing:.01em;line-height:1.2;}
.wu-brand-text em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--c-t3);margin-top:3px;}

/* ===== 头部 ===== */
.wu-header{position:sticky;top:0;z-index:1030;border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);}
.wu-header.is-scrolled{background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.wu-header-inner{display:flex;align-items:center;gap:20px;min-height:78px;}
.wu-nav-panel{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;padding:6px;
  background:rgba(19,31,51,.55);
  border:1px solid var(--c-divider);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
}
.wu-nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;min-height:44px;
  font-size:13px;font-weight:600;color:var(--c-t2);
  border:1px solid transparent;border-radius:13px;
  white-space:nowrap;transition:all .2s var(--ease);
}
.wu-nav-link i{font-size:15px;color:var(--c-t3);transition:color .2s var(--ease);}
.wu-nav-link:hover{background:rgba(242,169,59,.08);color:var(--c-t1);}
.wu-nav-link:hover i{color:var(--c-gold);}
.wu-nav-link.active{background:rgba(242,169,59,.12);border-color:rgba(242,169,59,.55);color:var(--c-gold-hi);}
.wu-nav-link.active i{color:var(--c-gold);}
.wu-header-actions{display:flex;align-items:center;gap:10px;}
.wu-nav-toggle{
  width:44px;height:44px;border-radius:13px;
  border:1px solid var(--c-line);background:rgba(19,31,51,.6);
  color:var(--c-gold);font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.wu-nav-toggle:hover{background:rgba(242,169,59,.12);}
.wu-mobile-nav{background:var(--c-glass);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border-bottom:1px solid var(--c-line);padding:18px 0 22px;}
.wu-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.wu-mobile-card{
  display:flex;align-items:center;gap:10px;min-height:52px;padding:12px 14px;
  background:var(--c-bg-1);border:1px solid var(--c-divider);border-radius:var(--r-sm);
  font-size:13px;font-weight:600;color:var(--c-t2);transition:all .2s var(--ease);
}
.wu-mobile-card i{color:var(--c-t3);font-size:15px;}
.wu-mobile-card:hover{border-color:rgba(242,169,59,.45);color:var(--c-t1);}
.wu-mobile-card.active{background:rgba(242,169,59,.12);border-color:rgba(242,169,59,.55);color:var(--c-gold-hi);}
.wu-mobile-card.active i{color:var(--c-gold);}

/* ===== 按钮 ===== */
.wu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 26px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border-radius:var(--r-pill);border:1px solid transparent;
  cursor:pointer;text-align:center;
  transition:all .22s var(--ease);
}
.wu-btn-primary{
  background:linear-gradient(135deg,#F2A93B,#D9912A);
  color:#0A0F1A;box-shadow:var(--sh-glow);
}
.wu-btn-primary:hover{color:#0A0F1A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,169,59,.45),0 14px 34px rgba(242,169,59,.28);}
.wu-btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.wu-btn-ghost{
  background:transparent;border-color:rgba(242,169,59,.4);color:var(--c-gold-hi);
}
.wu-btn-ghost:hover{background:rgba(242,169,59,.12);color:var(--c-gold-hi);border-color:rgba(242,169,59,.7);}
.wu-btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.wu-btn-block{width:100%;}
.wu-link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-t2);
}
.wu-link-more::after{content:"";display:block;width:22px;height:2px;background:var(--c-gold);border-radius:2px;transition:width .2s var(--ease);}
.wu-link-more:hover{color:var(--c-t1);}
.wu-link-more:hover::after{width:30px;}

/* ===== 通用板块 ===== */
.wu-section{padding:88px 0;}
.wu-section--tight{padding:64px 0;}
.wu-section-head{max-width:720px;margin-bottom:44px;}
.wu-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-gold);text-transform:uppercase;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,169,59,.14);
  margin-bottom:16px;
}
.wu-h2{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:.01em;}
.wu-sub{margin-top:14px;font-size:16px;color:var(--c-t2);line-height:1.8;}

.wu-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;}
.wu-tag--gold{background:rgba(242,169,59,.14);color:var(--c-gold-hi);}
.wu-tag--cloud{background:rgba(56,200,180,.12);color:var(--c-cloud);}
.wu-tag--verm{background:rgba(228,87,46,.14);color:#F08A63;}

/* ===== 云纹分隔 ===== */
.wu-wave{display:block;width:100%;height:56px;line-height:0;}
.wu-wave svg{display:block;width:100%;height:100%;}

/* ===== Banner ===== */
.wu-banner{
  position:relative;overflow:hidden;
  padding:74px 0 66px;
  background-image:linear-gradient(180deg,rgba(7,11,20,.74),rgba(7,11,20,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.wu-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 12% 0%, rgba(242,169,59,.16), transparent 68%);
}
.wu-banner-inner{position:relative;z-index:2;}
.wu-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-t3);margin-bottom:22px;}
.wu-crumb a{color:var(--c-t2);}
.wu-crumb span.sep{color:var(--c-t3);}
.wu-crumb .current{color:var(--c-t3);}
.wu-banner-card{
  background:var(--c-glass);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:44px 46px;
  box-shadow:var(--sh-2);
}
.wu-banner h1{font-size:clamp(32px,4.2vw,54px);font-weight:800;letter-spacing:.01em;line-height:1.2;}
.wu-banner-lead{margin-top:18px;font-size:17px;color:var(--c-t2);max-width:760px;line-height:1.85;}
.wu-banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

/* ===== 概览两列 ===== */
.wu-overview{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch;}
.wu-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
  background:var(--c-bg-2);min-height:340px;
}
.wu-figure img{width:100%;height:100%;object-fit:cover;min-height:340px;}
.wu-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 42%,rgba(7,11,20,.82) 100%);
  box-shadow:inset 0 0 0 1px rgba(242,169,59,.24);
  border-radius:inherit;
}
.wu-figure-cap{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;}
.wu-figure-cap strong{display:block;font-size:19px;font-weight:700;}
.wu-figure-cap span{display:block;font-size:13px;color:var(--c-t2);margin-top:4px;}

.wu-points{display:flex;flex-direction:column;gap:14px;}
.wu-point{
  display:flex;gap:16px;padding:22px 24px;
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  transition:all .22s var(--ease);
}
.wu-point:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2);}
.wu-point-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(242,169,59,.12);color:var(--c-gold);font-size:17px;
}
.wu-point h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.wu-point p{font-size:15px;color:var(--c-t2);line-height:1.75;}

/* ===== 竖向时间轴 ===== */
.wu-timeline{position:relative;margin-top:8px;}
.wu-timeline::before{
  content:"";position:absolute;left:37px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(242,169,59,.45),rgba(242,169,59,.06));
}
.wu-tl-item{
  position:relative;
  display:grid;grid-template-columns:76px 1fr 96px;
  align-items:center;gap:24px;
  min-height:88px;padding:16px 22px 16px 0;
  border-bottom:1px solid var(--c-divider);
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.wu-tl-item:first-child{border-top:1px solid var(--c-divider);}
.wu-tl-item:hover{background:rgba(255,255,255,.022);padding-left:10px;}
.wu-tl-num{
  width:52px;height:52px;margin-left:11px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  background:var(--c-bg-1);border:1px solid var(--c-line);
  color:var(--c-gold);font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
  transition:all .22s var(--ease);
}
.wu-tl-item:hover .wu-tl-num{background:rgba(242,169,59,.14);border-color:rgba(242,169,59,.5);}
.wu-tl-body h3{font-size:19px;font-weight:600;margin-bottom:5px;}
.wu-tl-item:hover .wu-tl-body h3{color:var(--c-gold-hi);}
.wu-tl-body p{font-size:15px;color:var(--c-t2);line-height:1.7;}
.wu-tl-side{justify-self:end;}

/* ===== 场景卡 ===== */
.wu-scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.wu-scene{
  position:relative;padding:28px 26px;
  background:var(--c-bg-1);border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  transition:all .22s var(--ease);
}
.wu-scene:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);box-shadow:var(--sh-2);}
.wu-scene-icon{
  width:46px;height:46px;border-radius:14px;margin-bottom:16px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(56,200,180,.12);color:var(--c-cloud);font-size:18px;
}
.wu-scene h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.wu-scene p{font-size:15px;color:var(--c-t2);line-height:1.78;}
.wu-scene ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.wu-scene li{display:flex;gap:9px;font-size:14px;color:var(--c-t2);line-height:1.7;}
.wu-scene li i{color:var(--c-gold);font-size:12px;margin-top:6px;}

/* ===== 提示带 ===== */
.wu-note{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:22px 28px;border-radius:var(--r-md);
  background:var(--c-bg-1);border:1px solid var(--c-line);
}
.wu-note i{color:var(--c-gold);font-size:20px;}
.wu-note p{font-size:15px;color:var(--c-t2);flex:1 1 320px;line-height:1.75;}

/* ===== FAQ ===== */
.wu-accordion{display:flex;flex-direction:column;gap:12px;}
.wu-faq-item{
  background:var(--c-bg-1);
  border:1px solid var(--c-divider) !important;
  border-radius:var(--r-md) !important;
  overflow:hidden;
}
.wu-faq-btn{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;min-height:64px;
  background:transparent !important;
  border:0 !important;border-radius:0 !important;
  color:var(--c-t1) !important;
  font-size:17px;font-weight:600;text-align:left;
  box-shadow:none !important;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.wu-faq-btn:not(.collapsed){
  color:var(--c-gold-hi) !important;
  box-shadow:inset 3px 0 0 var(--c-gold) !important;
  background:rgba(242,169,59,.05) !important;
}
.wu-faq-btn:hover{color:var(--c-gold-hi) !important;}
.wu-faq-btn::after{display:none !important;}
.wu-faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto;transition:transform .18s var(--ease);}
.wu-faq-icon::before,.wu-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-gold);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.wu-faq-icon::before{width:15px;height:2px;}
.wu-faq-icon::after{width:2px;height:15px;}
.wu-faq-btn:not(.collapsed) .wu-faq-icon{transform:rotate(180deg);}
.wu-faq-btn:not(.collapsed) .wu-faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.wu-faq-body{padding:0 24px 22px 24px;font-size:15px;color:var(--c-t2);line-height:1.85;}

/* ===== CTA ===== */
.wu-cta-band{
  position:relative;padding:76px 0;
  background-image:linear-gradient(180deg,rgba(7,11,20,.86),rgba(7,11,20,.96)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.wu-cta-box{
  background:var(--c-glass);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:48px 46px;
  text-align:left;
  box-shadow:var(--sh-2);
}
.wu-cta-box h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;}
.wu-cta-box p{margin-top:14px;font-size:16px;color:var(--c-t2);max-width:640px;line-height:1.8;}
.wu-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ===== 页脚 ===== */
.wu-footer{background:var(--c-bg-0);border-top:1px solid var(--c-line);padding:64px 0 0;}
.wu-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;}
.wu-footer-brand p{margin-top:18px;font-size:14px;color:var(--c-t2);line-height:1.8;max-width:330px;}
.wu-footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--c-t1);}
.wu-footer-col ul{display:flex;flex-direction:column;gap:11px;}
.wu-footer-col li{font-size:14px;color:var(--c-t2);line-height:1.7;}
.wu-footer-col a{font-size:14px;color:var(--c-t2);}
.wu-footer-col a:hover{color:var(--c-gold);}
.wu-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid var(--c-divider);
}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .wu-footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .wu-section{padding:64px 0;}
  .wu-section--tight{padding:52px 0;}
  .wu-banner{padding:56px 0 50px;}
  .wu-banner-card{padding:34px 30px;}
  .wu-overview{grid-template-columns:1fr;gap:26px;}
  .wu-figure,.wu-figure img{min-height:280px;}
  .wu-cta-box{padding:36px 30px;}
  .wu-cta-band{padding:64px 0;}
}
@media (max-width:767px){
  .wu-container{padding:0 16px;}
  .wu-section{padding:48px 0;}
  .wu-section--tight{padding:42px 0;}
  .wu-brand-text{font-size:16px;}
  .wu-brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .wu-banner{padding:44px 0 42px;}
  .wu-banner-card{padding:26px 20px;}
  .wu-banner h1{font-size:30px;}
  .wu-banner-lead{font-size:15px;}
  .wu-scene-grid{grid-template-columns:1fr;}
  .wu-timeline::before{left:25px;}
  .wu-tl-item{grid-template-columns:52px 1fr;gap:16px;min-height:auto;padding:18px 0;}
  .wu-tl-num{width:44px;height:44px;margin-left:3px;font-size:14px;border-radius:12px;}
  .wu-tl-side{grid-column:2;justify-self:start;}
  .wu-tl-body h3{font-size:17px;}
  .wu-cta-actions .wu-btn{width:100%;}
  .wu-footer{padding:48px 0 0;}
  .wu-footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .wu-point{padding:18px;}
  .wu-faq-btn{padding:16px 18px;font-size:16px;}
  .wu-faq-body{padding:0 18px 18px 18px;}
  .wu-note{padding:18px 20px;}
}
@media (max-width:399px){
  .wu-banner h1{font-size:27px;}
  .wu-h2{font-size:24px;}
  .wu-btn{padding:0 20px;font-size:14px;}
  .wu-tl-item{gap:12px;}
}

/* roulang page: category3 */
:root{
  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-divider:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-h:#FFC868;
  --c-gold-a:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--c-t1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(45deg,rgba(242,169,59,.028) 0 1px,transparent 1px 12px),
    repeating-linear-gradient(-45deg,rgba(56,200,180,.02) 0 1px,transparent 1px 12px);
}
img{max-width:100%;display:block;object-fit:cover;background:var(--c-bg-2);}
a{color:var(--c-gold);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-gold-h);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--c-t1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;}

.wu-page{position:relative;z-index:1;}
.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.wu-header{
  position:sticky;
  top:0;
  z-index:1030;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
  border-bottom:1px solid transparent;
}
.wu-header.is-scrolled{
  background:var(--c-glass);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border-bottom-color:var(--c-line);
}
.wu-header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:76px;
}
.wu-brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-t1);
}
.wu-brand:hover{color:var(--c-t1);}
.wu-brand-mark{
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  display:grid;
  place-items:center;
  background:linear-gradient(150deg,rgba(242,169,59,.22),rgba(228,87,46,.16));
  border:1px solid var(--c-line);
  color:var(--c-gold);
  font-size:17px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.wu-brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.15;
  display:flex;
  flex-direction:column;
}
.wu-brand-text em{
  font-style:normal;
  font-size:10px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--c-t3);
  margin-top:2px;
}
.wu-nav-panel{
  flex:1;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:6px;
  border-radius:var(--r-lg);
  background:rgba(13,21,36,.72);
  border:1px solid var(--c-divider);
}
.wu-nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-t2);
  border:1px solid transparent;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.wu-nav-link i{font-size:15px;opacity:.9;}
.wu-nav-link:hover{
  color:var(--c-t1);
  background:rgba(255,255,255,.04);
  border-color:var(--c-divider);
}
.wu-nav-link.active{
  color:var(--c-gold-h);
  background:rgba(242,169,59,.12);
  border-color:rgba(242,169,59,.45);
  box-shadow:inset 0 0 0 1px rgba(242,169,59,.12);
}
.wu-header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.wu-nav-toggle{
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  background:rgba(19,31,51,.7);
  border:1px solid var(--c-line);
  color:var(--c-gold);
  font-size:17px;
  display:grid;
  place-items:center;
}

/* 抽屉 */
.wu-drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:min(88vw,360px);
  background:var(--c-bg-1);
  border-left:1px solid var(--c-line);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  z-index:1080;
  display:flex;
  flex-direction:column;
  padding:20px;
}
.wu-drawer.open{transform:translateX(0);}
.wu-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.wu-drawer-head span{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--c-t3);}
.wu-drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-divider);
  color:var(--c-t1);font-size:16px;
}
.wu-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:auto;}
.wu-drawer-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:14px 12px;
  border-radius:var(--r-md);
  background:var(--c-bg-2);
  border:1px solid var(--c-divider);
  color:var(--c-t2);
  font-size:13px;
  font-weight:600;
  min-height:76px;
}
.wu-drawer-card i{font-size:18px;color:var(--c-gold);}
.wu-drawer-card.active{border-color:rgba(242,169,59,.45);background:rgba(242,169,59,.1);color:var(--c-gold-h);}
.wu-drawer-foot{margin-top:18px;}
.wu-drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,16,.68);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease);
  z-index:1070;backdrop-filter:blur(2px);
}
.wu-drawer-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.wu-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.wu-btn-sm{min-height:42px;padding:0 18px;font-size:14px;}
.wu-btn-block{width:100%;}
.wu-btn-primary{
  background:linear-gradient(180deg,#F2A93B,#D9912A);
  color:#0A101E;
  box-shadow:var(--sh-glow);
}
.wu-btn-primary:hover{
  color:#0A101E;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(242,169,59,.45),0 14px 34px rgba(242,169,59,.26);
}
.wu-btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.wu-btn-gold{
  background:linear-gradient(180deg,#F2A93B,#D9912A);
  color:#0A101E;
  box-shadow:var(--sh-1);
}
.wu-btn-gold:hover{color:#0A101E;transform:translateY(-2px);box-shadow:var(--sh-2);}
.wu-btn-ghost{
  background:transparent;
  border-color:rgba(242,169,59,.4);
  color:#FFD79A;
}
.wu-btn-ghost:hover{background:rgba(242,169,59,.12);color:var(--c-gold-h);transform:translateY(-2px);}
.wu-btn:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;}

.wu-text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-t2);
  border-bottom:2px solid rgba(242,169,59,.55);
  padding-bottom:3px;
  transition:all .2s var(--ease);
}
.wu-text-link:hover{color:var(--c-t1);border-bottom-color:var(--c-gold);gap:10px;}
.wu-text-link i{font-size:12px;}

/* ============ 标签 ============ */
.wu-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.6;
}
.wu-tag-gold{background:rgba(242,169,59,.14);color:var(--c-gold-h);}
.wu-tag-cloud{background:rgba(56,200,180,.12);color:var(--c-cloud);}
.wu-tag-vermilion{background:rgba(228,87,46,.14);color:#FF8A63;}

/* ============ 分类 Banner ============ */
.wu-page-hero{
  position:relative;
  padding:56px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--c-divider);
}
.wu-page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.wu-page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 340px at 16% 8%,rgba(242,169,59,.14),transparent 62%),
    linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.96));
}
.wu-page-hero .wu-container{position:relative;z-index:2;}
.wu-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-t3);
  margin-bottom:22px;
}
.wu-crumb a{color:var(--c-t2);}
.wu-crumb a:hover{color:var(--c-gold-h);}
.wu-crumb span{color:var(--c-t3);}
.wu-hero-glass{
  background:var(--c-glass);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:38px 40px;
  box-shadow:var(--sh-2);
  max-width:900px;
}
.wu-hero-glass h1{
  font-size:clamp(32px,4.6vw,54px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  margin:16px 0 14px;
}
.wu-hero-glass h1 span{color:var(--c-gold);}
.wu-hero-lead{
  font-size:17px;
  color:var(--c-t2);
  max-width:620px;
  line-height:1.75;
}
.wu-hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.wu-hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--c-divider);
}
.wu-hero-badges span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  font-weight:600;
  color:var(--c-t2);
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:rgba(56,200,180,.1);
}
.wu-hero-badges span i{color:var(--c-cloud);font-size:12px;}

/* ============ 通用板块 ============ */
.wu-section{padding:88px 0;position:relative;}
.wu-section-alt{background:var(--c-bg-1);border-top:1px solid var(--c-divider);border-bottom:1px solid var(--c-divider);}
.wu-section-head{max-width:720px;margin-bottom:44px;}
.wu-section-head h2{
  font-size:clamp(26px,3.2vw,36px);
  font-weight:700;
  margin:14px 0 14px;
  letter-spacing:-.01em;
}
.wu-section-head p{font-size:16px;color:var(--c-t2);}

/* 云纹分隔 */
.wu-cloud-divider{display:block;width:100%;height:56px;line-height:0;}
.wu-cloud-divider svg{display:block;width:100%;height:100%;}

/* ============ 分组图文 ============ */
.wu-split-list{display:flex;flex-direction:column;gap:28px;}
.wu-split{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:0;
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.wu-split:hover{
  border-color:rgba(242,169,59,.45);
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.wu-split-media{position:relative;min-height:280px;overflow:hidden;}
.wu-split-media img{
  width:100%;height:100%;
  position:absolute;inset:0;
  transition:transform .4s var(--ease);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
}
.wu-split:hover .wu-split-media img{transform:scale(1.04);}
.wu-split-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;}
.wu-split-body h3{font-size:23px;font-weight:600;margin:14px 0 12px;}
.wu-split-body p{font-size:15px;color:var(--c-t2);margin-bottom:20px;}
.wu-split:nth-child(even) .wu-split-media{order:2;}
.wu-split:nth-child(even) .wu-split-body{order:1;}

/* ============ 参与流程 ============ */
.wu-steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  counter-reset:step;
}
.wu-step{
  position:relative;
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  padding:26px 22px;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.wu-step:hover{border-color:rgba(242,169,59,.45);transform:translateY(-4px);}
.wu-step-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--c-gold);
  font-variant-numeric:tabular-nums;
}
.wu-step h3{font-size:18px;font-weight:600;margin:12px 0 10px;}
.wu-step p{font-size:14px;color:var(--c-t2);line-height:1.7;}
.wu-step::after{
  content:"";
  position:absolute;
  top:50%;
  right:-16px;
  width:16px;
  height:1px;
  background:linear-gradient(90deg,rgba(242,169,59,.5),transparent);
}
.wu-step:last-child::after{display:none;}

/* ============ 数据条 ============ */
.wu-data-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--c-divider);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  overflow:hidden;
}
.wu-data-item{
  background:var(--c-bg-1);
  padding:30px 24px;
  transition:background .22s var(--ease);
}
.wu-data-item:hover{background:var(--c-bg-2);}
.wu-data-num{
  font-size:34px;
  font-weight:800;
  color:var(--c-cloud);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.wu-data-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--c-t2);}
.wu-data-item h3{font-size:16px;font-weight:600;margin:12px 0 8px;}
.wu-data-item p{font-size:14px;color:var(--c-t3);line-height:1.7;}

/* ============ 规则要点 ============ */
.wu-note-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:26px;
  align-items:start;
}
.wu-note-panel{
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  padding:32px;
}
.wu-note-panel h3{font-size:22px;margin-bottom:14px;}
.wu-note-panel p{font-size:15px;color:var(--c-t2);}
.wu-note-list{display:flex;flex-direction:column;gap:12px;}
.wu-note-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  padding:20px 24px;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.wu-note-item:hover{border-color:rgba(242,169,59,.45);transform:translateX(4px);}
.wu-note-item i{
  flex:0 0 38px;
  height:38px;
  border-radius:var(--r-sm);
  display:grid;
  place-items:center;
  background:rgba(242,169,59,.12);
  color:var(--c-gold);
  font-size:15px;
}
.wu-note-item h4{font-size:16px;font-weight:600;margin-bottom:6px;}
.wu-note-item p{font-size:14px;color:var(--c-t2);line-height:1.7;}

/* ============ FAQ ============ */
.wu-faq .accordion-item{
  background:var(--c-bg-1);
  border:1px solid var(--c-divider);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
}
.wu-faq .accordion-item:last-child{margin-bottom:0;}
.wu-faq .accordion-button{
  background:transparent;
  color:var(--c-t1);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none;
  border-radius:var(--r-md);
  display:flex;
  align-items:center;
  gap:16px;
}
.wu-faq .accordion-button:not(.collapsed){
  color:var(--c-gold-h);
  background:rgba(242,169,59,.06);
  box-shadow:inset 3px 0 0 var(--c-gold);
}
.wu-faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-gold);}
.wu-faq .accordion-button::after{
  display:none;
}
.wu-faq .accordion-button::before{
  content:"";
  margin-left:auto;
  order:2;
  flex:0 0 28px;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background-image:
    linear-gradient(var(--c-gold),var(--c-gold)),
    linear-gradient(var(--c-gold),var(--c-gold));
  background-size:12px 2px,2px 12px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .18s var(--ease),background-size .18s var(--ease),background-color .18s var(--ease);
}
.wu-faq .accordion-button:not(.collapsed)::before{
  transform:rotate(180deg);
  background-size:12px 2px,2px 0;
  background-color:rgba(242,169,59,.14);
}
.wu-faq .accordion-body{
  padding:0 24px 22px 24px;
  font-size:15px;
  color:var(--c-t2);
  line-height:1.8;
}

/* ============ CTA ============ */
.wu-cta-wrap{padding:0 0 88px;}
.wu-cta{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  background:
    radial-gradient(520px 240px at 82% 12%,rgba(242,169,59,.18),transparent 62%),
    linear-gradient(150deg,var(--c-bg-2),var(--c-bg-0));
  overflow:hidden;
  padding:56px 48px;
  box-shadow:var(--sh-2);
}
.wu-cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;
  align-items:center;
}
.wu-cta h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.wu-cta p{font-size:15px;color:var(--c-t2);max-width:520px;}
.wu-cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.wu-footer{
  background:var(--c-bg-0);
  border-top:1px solid var(--c-line);
  padding:64px 0 26px;
  position:relative;
  z-index:1;
}
.wu-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:38px;
  border-bottom:1px solid var(--c-divider);
}
.wu-footer-brand .wu-brand{margin-bottom:16px;}
.wu-footer-brand p{font-size:14px;color:var(--c-t2);line-height:1.8;max-width:320px;}
.wu-footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;color:var(--c-t1);}
.wu-footer-col ul{display:flex;flex-direction:column;gap:10px;}
.wu-footer-col li{font-size:14px;color:var(--c-t2);}
.wu-footer-col a{color:var(--c-t2);}
.wu-footer-col a:hover{color:var(--c-gold);}
.wu-footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  flex-wrap:wrap;
}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wu-footer-grid{grid-template-columns:1.6fr 1fr 1fr;}
  .wu-footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .wu-section{padding:64px 0;}
  .wu-cta-wrap{padding-bottom:64px;}
  .wu-split{grid-template-columns:1fr;}
  .wu-split-media{min-height:220px;position:relative;}
  .wu-split:nth-child(even) .wu-split-media{order:0;}
  .wu-split:nth-child(even) .wu-split-body{order:0;}
  .wu-split-body{padding:28px;}
  .wu-steps{grid-template-columns:1fr 1fr;}
  .wu-step::after{display:none;}
  .wu-data-strip{grid-template-columns:1fr 1fr;}
  .wu-note-grid{grid-template-columns:1fr;}
  .wu-cta-inner{grid-template-columns:1fr;}
  .wu-cta-btns{justify-content:flex-start;}
  .wu-cta{padding:44px 32px;}
  .wu-hero-glass{padding:30px 26px;}
}
@media (max-width:767.98px){
  .wu-container{padding:0 16px;}
  .wu-section{padding:48px 0;}
  .wu-header-inner{min-height:66px;}
  .wu-brand-text{font-size:16px;}
  .wu-brand-text em{font-size:9px;}
  .wu-page-hero{padding:36px 0 52px;}
  .wu-hero-glass{padding:26px 20px;}
  .wu-hero-glass h1{margin:12px 0 12px;}
  .wu-hero-btns{gap:10px;}
  .wu-hero-btns .wu-btn{flex:1 1 100%;}
  .wu-steps{grid-template-columns:1fr;}
  .wu-data-strip{grid-template-columns:1fr;}
  .wu-faq .accordion-button{font-size:15px;padding:16px 18px;}
  .wu-faq .accordion-body{padding:0 18px 18px 18px;font-size:14px;}
  .wu-cta{padding:34px 22px;}
  .wu-cta-btns .wu-btn{flex:1 1 100%;}
  .wu-footer{padding:48px 0 22px;}
  .wu-footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .wu-footer-brand{grid-column:1 / -1;}
  .wu-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .wu-cloud-divider{height:40px;}
  .wu-split-media{min-height:180px;}
  .wu-split-body{padding:22px;}
  .wu-split-body h3{font-size:20px;}
  .wu-note-panel{padding:24px;}
  .wu-note-item{padding:18px;}
}
@media (max-width:399.98px){
  .wu-brand-text{font-size:15px;}
  .wu-hero-glass h1{font-size:28px;}
  .wu-data-num{font-size:28px;}
  .wu-drawer-grid{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --c-bg-0:#070B14;
  --c-bg-1:#0D1524;
  --c-bg-2:#131F33;
  --c-glass:rgba(19,31,51,.62);
  --c-line:rgba(242,169,59,.18);
  --c-line-soft:rgba(255,255,255,.06);
  --c-gold:#F2A93B;
  --c-gold-hover:#FFC868;
  --c-gold-active:#D9912A;
  --c-vermilion:#E4572E;
  --c-cloud:#38C8B4;
  --c-t1:#F2F5FA;
  --c-t2:#A9B6CC;
  --c-t3:#6E7D96;
  --c-ok:#35C08B;
  --c-warn:#E0A62B;
  --c-err:#E4572E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,18,.45);
  --sh-2:0 18px 44px rgba(3,8,18,.55);
  --sh-glow:0 0 0 1px rgba(242,169,59,.35),0 10px 28px rgba(242,169,59,.18);
  --bs-primary:#F2A93B;
  --bs-body-bg:#070B14;
  --bs-body-color:#F2F5FA;
  --bs-link-color:#F2A93B;
  --bs-link-hover-color:#FFC868;
  --bs-border-color:rgba(255,255,255,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-t1);
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(920px 540px at 84% -12%,rgba(242,169,59,.10),transparent 62%),
    radial-gradient(720px 440px at 6% 10%,rgba(56,200,180,.07),transparent 60%),
    repeating-linear-gradient(45deg,rgba(255,255,255,.022) 0 2px,transparent 2px 8px),
    repeating-linear-gradient(-45deg,rgba(255,255,255,.018) 0 2px,transparent 2px 8px);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-gold);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--c-gold-hover)}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;border-radius:6px}
.wu-num{font-variant-numeric:tabular-nums}

.wu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wu-section{padding:88px 0}
.wu-section--tight{padding:64px 0}
.wu-sec-head{max-width:760px;margin-bottom:40px}
.wu-sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.02em;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(56,200,180,.12);color:var(--c-cloud);margin-bottom:16px;
}
.wu-sec-title{font-size:36px;font-weight:700}
.wu-sec-desc{margin-top:14px;color:var(--c-t2);font-size:16.5px}
.wu-divider{height:1px;background:var(--c-line-soft);border:0;margin:0}

/* 云纹分隔 */
.wu-cloud-divider{display:block;width:100%;height:64px;line-height:0}
.wu-cloud-divider svg{width:100%;height:100%;display:block}

/* ===== 顶部导航 ===== */
.wu-header{
  position:sticky;top:0;z-index:1035;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.wu-header.is-scrolled{
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--c-line);
}
.wu-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px}
.wu-brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-t1)}
.wu-brand:hover{color:var(--c-t1)}
.wu-brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,#FFC868,#D9912A);
  color:#10141F;font-size:17px;
  box-shadow:0 0 0 1px rgba(242,169,59,.4);
}
.wu-brand-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.2}
.wu-brand-text em{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.18em;color:var(--c-t3);margin-top:3px}
.wu-nav-panel{
  align-items:center;gap:4px;padding:6px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
}
.wu-nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;min-height:44px;border-radius:var(--r-sm);
  font-size:13px;font-weight:500;color:var(--c-t2);
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.wu-nav-link i{font-size:14px}
.wu-nav-link:hover{color:var(--c-t1);background:rgba(242,169,59,.10);border-color:rgba(242,169,59,.22)}
.wu-nav-link.active{
  color:var(--c-gold);
  background:rgba(242,169,59,.14);
  border-color:rgba(242,169,59,.5);
}
.wu-header-actions{display:flex;align-items:center;gap:12px}
.wu-burger{
  width:46px;height:46px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-soft);
  color:var(--c-t1);display:grid;place-items:center;cursor:pointer;
}
.wu-burger:hover{background:rgba(242,169,59,.14);border-color:rgba(242,169,59,.4)}

/* 抽屉 */
.wu-drawer{background:var(--c-bg-1);color:var(--c-t1);width:min(88vw,380px);border-left:1px solid var(--c-line)}
.wu-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--c-line-soft);display:flex;align-items:center;justify-content:space-between}
.wu-drawer-close{background:transparent;border:1px solid var(--c-line-soft);color:var(--c-t2);width:40px;height:40px;border-radius:var(--r-sm);display:grid;place-items:center;cursor:pointer}
.wu-drawer-close:hover{color:var(--c-gold);border-color:rgba(242,169,59,.4)}
.wu-drawer .offcanvas-body{padding:20px}
.wu-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.wu-drawer-card{
  display:flex;flex-direction:column;gap:8px;
  padding:14px 12px;min-height:84px;
  background:var(--c-bg-2);border:1px solid var(--c-line-soft);border-radius:var(--r-md);
  color:var(--c-t2);font-size:13px;font-weight:500;
}
.wu-drawer-card i{font-size:16px;color:var(--c-gold)}
.wu-drawer-card.active{border-color:rgba(242,169,59,.55);color:var(--c-gold);background:rgba(242,169,59,.12)}
.wu-drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line-soft)}

/* 按钮 */
.wu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.wu-btn-primary{
  background:linear-gradient(135deg,#F2A93B,#D9912A);
  color:#14171F;
}
.wu-btn-primary:hover{color:#14171F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(242,169,59,.4),0 14px 32px rgba(242,169,59,.24)}
.wu-btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#D9912A,#C58325)}
.wu-btn-glow{box-shadow:var(--sh-glow)}
.wu-btn-ghost{
  background:transparent;color:var(--c-gold);border-color:rgba(242,169,59,.4);
}
.wu-btn-ghost:hover{color:var(--c-gold-hover);background:rgba(242,169,59,.12);border-color:rgba(242,169,59,.6)}
.wu-btn-sm{min-height:42px;padding:9px 18px;font-size:14px}
.wu-btn-block{width:100%}
.wu-link{
  color:var(--c-t2);font-weight:600;
  border-bottom:2px solid rgba(242,169,59,.55);
  padding-bottom:2px;
}
.wu-link:hover{color:var(--c-t1);border-bottom-color:var(--c-gold)}

/* ===== Banner ===== */
.wu-banner{padding:48px 0 0}
.wu-banner-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);
  min-height:352px;display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(7,11,20,.94) 6%,rgba(7,11,20,.72) 48%,rgba(7,11,20,.42) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.wu-banner-frame::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(242,169,59,.22);pointer-events:none;
}
.wu-banner-strip{
  position:relative;z-index:2;width:100%;
  margin:28px;padding:28px 30px;
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
}
.wu-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-t3);margin-bottom:14px;flex-wrap:wrap}
.wu-crumb a{color:var(--c-t2)}
.wu-crumb a:hover{color:var(--c-gold)}
.wu-crumb span.sep{color:var(--c-t3)}
.wu-banner h1{font-size:48px;font-weight:800;line-height:1.2}
.wu-banner-lead{margin-top:14px;color:var(--c-t2);font-size:16.5px;max-width:640px}
.wu-banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.wu-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.02em;padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(242,169,59,.14);color:var(--c-gold);
}
.wu-chip--cloud{background:rgba(56,200,180,.12);color:var(--c-cloud)}

/* ===== 对比表 ===== */
.wu-cmp-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.wu-table-wrap{
  border:1px solid var(--c-line-soft);border-radius:var(--r-md);
  overflow:auto;background:var(--c-bg-1);box-shadow:var(--sh-1);
}
.wu-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15.5px}
.wu-table thead th{
  background:var(--c-bg-0);
  color:var(--c-gold);
  font-size:13.5px;font-weight:700;letter-spacing:.02em;
  text-align:left;padding:18px 22px;
  border-bottom:1px solid var(--c-line);
}
.wu-table tbody th{
  width:170px;text-align:left;font-weight:600;color:var(--c-t2);
  font-size:14.5px;padding:18px 22px;
  border-bottom:1px solid var(--c-line-soft);
}
.wu-table tbody td{
  padding:18px 22px;color:var(--c-t1);
  border-bottom:1px solid var(--c-line-soft);
}
.wu-table tbody tr:nth-child(odd){background:rgba(255,255,255,.03)}
.wu-table tbody tr:last-child th,.wu-table tbody tr:last-child td{border-bottom:0}
.wu-table tbody tr:hover{background:rgba(242,169,59,.06)}
.wu-table .wu-cell-strong{color:var(--c-cloud);font-weight:600}

/* ===== 要点卡 ===== */
.wu-point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wu-card{
  background:var(--c-bg-1);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-md);
  padding:24px;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.wu-card:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.45);box-shadow:var(--sh-2)}
.wu-card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(242,169,59,.14);color:var(--c-gold);font-size:18px;margin-bottom:18px;
}
.wu-card h3{font-size:20px;margin-bottom:10px}
.wu-card p{color:var(--c-t2);font-size:15px}

/* ===== 指标速览 ===== */
.wu-metric-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.wu-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line-soft);background:var(--c-bg-2);box-shadow:var(--sh-1);
}
.wu-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.wu-figure::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);pointer-events:none}
.wu-metric-list{display:grid;gap:14px}
.wu-metric{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--c-bg-1);border:1px solid var(--c-line-soft);
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1);
}
.wu-metric:hover{border-color:rgba(242,169,59,.45);transform:translateY(-2px)}
.wu-metric-name{font-size:15px;color:var(--c-t2)}
.wu-metric-val{font-size:24px;font-weight:800;color:var(--c-cloud);font-variant-numeric:tabular-nums;line-height:1}
.wu-metric-val small{font-size:13px;font-weight:600;color:var(--c-t3);margin-left:4px}

/* ===== 步骤 ===== */
.wu-steps{display:grid;gap:12px}
.wu-step{
  display:grid;grid-template-columns:88px 1fr;align-items:center;gap:20px;
  min-height:88px;padding:18px 24px;
  background:var(--c-bg-1);border:1px solid var(--c-line-soft);border-radius:var(--r-md);
  transition:border-color .22s ease,background-color .22s ease;
}
.wu-step:hover{border-color:rgba(242,169,59,.45);background:var(--c-bg-2)}
.wu-step-no{
  font-size:26px;font-weight:800;color:var(--c-gold);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  border-right:1px solid var(--c-line-soft);padding-right:18px;
}
.wu-step h3{font-size:18px;margin-bottom:4px}
.wu-step p{color:var(--c-t2);font-size:14.5px}

/* ===== FAQ ===== */
.wu-faq{display:grid;gap:12px}
.wu-faq .accordion-item{
  background:var(--c-bg-1);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-md);
  overflow:hidden;
}
.wu-faq .accordion-button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;border-left:3px solid transparent;
  color:var(--c-t1);font-size:17px;font-weight:600;text-align:left;
  padding:20px 22px;min-height:44px;box-shadow:none;
}
.wu-faq .accordion-button:not(.collapsed){
  color:var(--c-gold);
  background:rgba(242,169,59,.07);
  border-left:3px solid var(--c-gold);
  box-shadow:none;
}
.wu-faq .accordion-button:focus{box-shadow:none;outline:none}
.wu-faq .accordion-button:focus-visible{outline:2px solid var(--c-gold);outline-offset:-2px}
.wu-faq .accordion-button::after{
  content:"+";font-family:inherit;font-size:22px;font-weight:600;line-height:1;
  color:var(--c-gold);background-image:none;width:auto;height:auto;
  transform:none;transition:transform .18s ease;
}
.wu-faq .accordion-button:not(.collapsed)::after{content:"–";transform:rotate(180deg)}
.wu-faq .accordion-body{padding:0 22px 22px 25px;color:var(--c-t2);font-size:15.5px;line-height:1.8}

/* ===== CTA ===== */
.wu-cta-band{
  position:relative;padding:72px 0;
  background-image:
    linear-gradient(120deg,rgba(7,11,20,.96) 10%,rgba(13,21,36,.86) 70%),
    url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  border-top:1px solid var(--c-line-soft);
  border-bottom:1px solid var(--c-line-soft);
}
.wu-cta-box{
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.wu-cta-box h2{font-size:30px}
.wu-cta-box p{color:var(--c-t2);margin-top:10px;max-width:560px}
.wu-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.wu-footer{background:var(--c-bg-0);border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:0}
.wu-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.wu-footer-brand p{color:var(--c-t2);font-size:14.5px;margin-top:18px;max-width:340px}
.wu-footer-col h4{font-size:15px;font-weight:600;color:var(--c-t1);margin-bottom:16px}
.wu-footer-col ul{display:grid;gap:10px}
.wu-footer-col li{color:var(--c-t2);font-size:14.5px}
.wu-footer-col a{color:var(--c-t2)}
.wu-footer-col a:hover{color:var(--c-gold)}
.wu-footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--c-line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.wu-footer-bottom p{font-size:12px;color:var(--c-t3)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .wu-sec-title{font-size:32px}
  .wu-banner h1{font-size:40px}
  .wu-metric-layout{grid-template-columns:1fr;gap:28px}
}
@media (max-width:991.98px){
  .wu-section{padding:64px 0}
  .wu-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .wu-point-grid{grid-template-columns:1fr 1fr}
  .wu-banner h1{font-size:34px}
  .wu-banner-strip{margin:20px;padding:24px}
  .wu-cta-box{padding:30px}
  .wu-header-inner{min-height:70px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .wu-container{padding:0 16px}
  .wu-section{padding:48px 0}
  .wu-sec-title{font-size:26px}
  .wu-banner{padding:28px 0 0}
  .wu-banner h1{font-size:30px}
  .wu-banner-frame{min-height:auto}
  .wu-banner-strip{margin:14px;padding:20px}
  .wu-point-grid{grid-template-columns:1fr}
  .wu-step{grid-template-columns:60px 1fr;gap:14px;padding:16px 18px;min-height:auto}
  .wu-step-no{font-size:20px;padding-right:12px}
  .wu-cta-band{padding:48px 0}
  .wu-cta-box{padding:24px;flex-direction:column;align-items:flex-start}
  .wu-cta-actions{width:100%}
  .wu-cta-actions .wu-btn{flex:1 1 100%}
  .wu-footer-grid{grid-template-columns:1fr;gap:28px}
  .wu-footer-bottom{flex-direction:column;gap:8px}
  .wu-drawer-grid{grid-template-columns:1fr 1fr}
  .wu-card{padding:20px 18px}
  .wu-table thead th,.wu-table tbody th,.wu-table tbody td{padding:14px 16px}
}
@media (max-width:400px){
  .wu-banner h1{font-size:26px}
  .wu-sec-title{font-size:23px}
  .wu-metric-val{font-size:20px}
  .wu-faq .accordion-button{font-size:15.5px;padding:16px 16px}
}