/* roulang page: index */
:root{
  --ink:#0E0F12;--ink-2:#171A1F;--ink-3:#23262C;
  --paper:#F6F5F2;--card:#FFFFFF;--line:rgba(14,15,18,.10);
  --brand:#C9F24C;--brand-deep:#8FC22B;--accent:#12B5A4;--live:#FF4B3E;
  --t1:#12141A;--t2:#5A6068;--t3:#8B9199;
  --r-s:10px;--r:12px;--r-l:14px;--pill:999px;
  --sh:0 8px 24px rgba(14,15,18,.10);
  --maxw:1280px;--pad:24px;
}
@media (min-width:1440px){:root{--maxw:1360px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer;padding:0}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:3px solid rgba(201,242,76,.75);outline-offset:3px}
.mono{font-family:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--ink);padding:10px 18px;border-radius:0 0 var(--r-s) 0;z-index:999}
.skip-link:focus{left:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--r-s);font-size:15px;font-weight:700;letter-spacing:.02em;line-height:1.2;transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease}
.btn-brand{background:var(--brand);color:var(--ink)}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--t1);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13px}

/* ---------- tags ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--pill);font-size:12px;letter-spacing:.06em;font-weight:600;white-space:nowrap}
.tag-cat{background:var(--paper);color:var(--t2);border:1px solid var(--line)}
.tag-brand{background:var(--brand);color:var(--ink)}
.tag-live{background:var(--live);color:#fff}
.tag-line{border:1px solid var(--line);color:var(--t2)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;flex:0 0 auto}
.dot-live{background:var(--live)}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;background:transparent;transition:background-color .3s ease,box-shadow .3s ease}
.site-header.is-solid{background:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.announce{background:rgba(14,15,18,.92);color:var(--brand);height:36px;overflow:hidden;transition:height .32s ease,opacity .32s ease}
.announce.is-hidden{height:0;opacity:0}
.announce-inner{display:flex;align-items:center;gap:10px;height:36px;font-size:13px}
.announce-txt{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--brand)}
.announce-close{color:rgba(201,242,76,.6);font-size:18px;line-height:1;padding:4px 8px;border-radius:6px;transition:color .2s ease,background-color .2s ease}
.announce-close:hover{color:var(--brand);background:rgba(201,242,76,.12)}
.navbar{padding:14px 0;transition:padding .3s ease}
.site-header.is-solid .navbar{padding:8px 0}
.nav-inner{display:flex;align-items:center;gap:28px;position:relative;z-index:122}
.brand{display:flex;flex-direction:column;line-height:1.05;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--brand);margin-top:3px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:8px}
.nav-links a{position:relative;font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.82);padding:6px 0;font-weight:600;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:width .28s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:50%}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto}
.status-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.22);font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.85)}
.status-badge .dot{width:7px;height:7px;box-shadow:0 0 0 3px rgba(201,242,76,.18)}
.clock{min-width:88px;text-align:center;padding:6px 10px;border-radius:var(--r-s);background:rgba(246,245,242,.94);color:var(--ink);font-size:15px;font-weight:700}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-s);border:1px solid rgba(255,255,255,.24);position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:transform .3s ease,opacity .3s ease}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){bottom:15px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-5px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:84vh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero-media{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center right;transform:scale(1.02)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,15,18,.95) 0%,rgba(14,15,18,.86) 38%,rgba(14,15,18,.42) 72%,rgba(14,15,18,.22) 100%)}
.hero-inner{position:relative;z-index:2;padding-top:160px;padding-bottom:96px;max-width:840px}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.16em;color:var(--brand);font-weight:700;margin-bottom:22px}
.hero-kicker::before{content:"";width:26px;height:2px;background:var(--brand);display:block}
.hero-title{font-size:clamp(36px,5.6vw,68px);line-height:1.12;font-weight:900;letter-spacing:-.02em;color:#fff;max-width:14em}
.hero-sub{margin-top:22px;font-size:19px;line-height:1.7;color:rgba(255,255,255,.76);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-tags li{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8);font-size:13px}
.hero-side{position:absolute;right:30px;bottom:72px;writing-mode:vertical-rl;font-size:13px;letter-spacing:.42em;color:rgba(255,255,255,.38);z-index:2}

/* ---------- sections ---------- */
.section{padding:112px 0}
.section-dark{background:var(--ink);color:#fff}
.section-paper{background:var(--paper)}
.section-white{background:var(--card)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-title{position:relative;padding-left:24px;font-size:28px;font-weight:800;line-height:1.32;letter-spacing:-.02em}
.section-title::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:.9em;background:var(--brand);border-radius:2px}
.section-sub{margin-top:10px;padding-left:24px;font-size:15px;color:var(--t2);max-width:660px}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:rgba(255,255,255,.6)}
.link-more{font-size:14px;font-weight:700;color:var(--t1);white-space:nowrap;padding-bottom:4px;border-bottom:2px solid var(--brand);transition:color .2s ease,transform .2s ease;display:inline-block}
.link-more:hover{color:var(--brand-deep);transform:translateX(3px)}

/* ---------- steps ---------- */
.step-list{margin-top:8px}
.step-item{display:grid;grid-template-columns:104px 1fr;gap:36px;padding:30px 0;border-top:1px solid var(--line);align-items:start}
.step-item:last-child{border-bottom:1px solid var(--line)}
.step-no{font-size:34px;font-weight:700;color:var(--t3);line-height:1}
.step-body h3{font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--t2);max-width:62ch}
.step-note{display:flex;align-items:flex-start;gap:12px;margin-top:28px;padding:18px 22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.step-note p{font-size:14px;color:var(--t2)}

/* ---------- rail ---------- */
.section-rail{background:var(--card)}
.rail-nav{display:flex;gap:10px}
.rail-btn{width:42px;height:42px;border-radius:50%;background:rgba(14,15,18,.06);color:var(--t1);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background-color .22s ease,transform .22s ease}
.rail-btn:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 18px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 260px;scroll-snap-align:start;position:relative;transition:transform .28s ease}
.rail-card:hover{transform:translateY(-6px)}
.rail-cover{position:relative;padding-top:133.33%;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);background:var(--ink-2)}
.rail-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rail-card:hover .rail-cover{border-color:var(--brand)}
.rail-card:hover .rail-cover img{transform:scale(1.04)}
.rail-card h3{margin-top:14px;font-size:17px;font-weight:800;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-meta{margin-top:5px;font-size:13px;color:var(--t3)}
.rail-badge{position:absolute;top:12px;left:12px;z-index:2;background:rgba(14,15,18,.78);color:#fff;border:0}

/* ---------- hot ---------- */
.hot-grid{display:grid;grid-template-columns:58fr 42fr;gap:32px;align-items:start}
.hot-main{display:block;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);background:var(--card);transition:box-shadow .28s ease,transform .28s ease}
.hot-main:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.hot-cover{position:relative;padding-top:56.25%;overflow:hidden;background:var(--ink-2)}
.hot-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hot-cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:55%;background:linear-gradient(180deg,rgba(14,15,18,0) 0%,rgba(14,15,18,.72) 100%)}
.hot-headline{position:absolute;left:26px;right:26px;bottom:22px;z-index:2;color:#fff;font-size:22px;font-weight:800;line-height:1.38;letter-spacing:-.01em}
.hot-body{padding:22px 26px 26px}
.hot-body p{font-size:15px;color:var(--t2);margin-top:12px}
.hot-meta{margin-top:16px;font-size:13px;color:var(--t3);display:flex;gap:14px;flex-wrap:wrap}
.hot-list{border-top:1px solid var(--line)}
.hot-item{display:flex;gap:18px;padding:20px 16px;border-bottom:1px solid var(--line);align-items:flex-start;transition:background-color .22s ease,transform .22s ease}
.hot-item:hover{background:var(--paper);transform:translateX(4px)}
.hot-index{font-size:20px;font-weight:700;color:var(--brand-deep);line-height:1.3;flex:0 0 32px}
.hot-item h3{font-size:16px;font-weight:700;line-height:1.5}
.hot-item span{display:block;margin-top:6px;font-size:13px;color:var(--t3)}

/* ---------- scene ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tab{padding:8px 20px;border-radius:var(--pill);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--t2);background:transparent;transition:background-color .22s ease,color .22s ease,border-color .22s ease}
.tab:hover{border-color:var(--ink);color:var(--t1)}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:var(--ink)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{display:block;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);transition:box-shadow .28s ease,transform .28s ease,border-color .28s ease}
.scene-card:hover{box-shadow:var(--sh);transform:translateY(-4px);border-color:rgba(201,242,76,.7)}
.scene-cover{position:relative;padding-top:56.25%;overflow:hidden;background:var(--ink-2)}
.scene-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-cover img{transform:scale(1.04)}
.scene-body{padding:18px 20px 22px}
.scene-body h3{font-size:17px;font-weight:800;line-height:1.45}
.scene-body p{margin-top:9px;font-size:14px;color:var(--t2)}
.scene-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding:30px 26px;border:1px solid rgba(255,255,255,.1);border-radius:var(--r);background:var(--ink-2)}
.stat-line{display:flex;align-items:baseline;gap:6px}
.stat-num{font-size:52px;font-weight:700;line-height:1;color:var(--brand)}
.stat-unit{font-size:16px;color:rgba(255,255,255,.72);font-weight:700}
.stat p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 8px;text-align:left;font-size:17px;font-weight:700;line-height:1.55;transition:background-color .22s ease,padding-left .22s ease}
.faq-q:hover{background:var(--paper);padding-left:18px}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .3s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--t2);border-radius:2px;transition:background-color .22s ease}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 8px 26px;max-width:720px;font-size:15px;line-height:1.85;color:var(--t2)}

/* ---------- news (cms) ---------- */
.news-layout{display:grid;grid-template-columns:60fr 40fr;gap:32px;align-items:start}
.news-main{display:block;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:var(--card);transition:box-shadow .28s ease,transform .28s ease}
.news-main:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.news-cover{position:relative;padding-top:56.25%;overflow:hidden;background:var(--ink-2)}
.news-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-main:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:24px 26px 28px}
.news-body h3{margin-top:14px;font-size:21px;font-weight:800;line-height:1.45;letter-spacing:-.01em}
.news-body p{margin-top:12px;font-size:15px;color:var(--t2)}
.news-meta{margin-top:16px;display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3)}
.news-list{border-top:1px solid var(--line)}
.news-item{display:block;padding:20px 16px;border-bottom:1px solid var(--line);transition:background-color .22s ease,transform .22s ease}
.news-item:hover{background:var(--card);transform:translateX(4px)}
.news-item h3{font-size:16px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{margin-top:8px;font-size:12px}
.cms-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:220px;border:1px dashed var(--line);border-radius:var(--r-l);background:var(--card);text-align:center}
.cms-empty-icon{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--t3);position:relative}
.cms-empty-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:16px;height:1.5px;background:var(--t3)}
.cms-empty p{font-size:14px;color:var(--t3)}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--ink);overflow:hidden;padding:96px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 1px,transparent 1px 12px);opacity:.55}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;color:#fff;line-height:1.25}
.cta-copy p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.66)}
.cta-side{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-chip{display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.82);font-size:13px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);padding:76px 0 34px;color:rgba(255,255,255,.62)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.1)}
.brand-footer{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:32ch}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:12px;font-size:14px}
.footer-col a{transition:color .22s ease}
.footer-col a:hover{color:#fff}
.status-badge-dark{border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.85)}
.footer-mono{font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:12px;color:var(--t3)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:0;background:var(--ink);flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:110px 32px 60px;margin:0;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .34s ease,opacity .34s ease;z-index:118}
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{font-size:20px;font-weight:700;color:#fff;padding:14px 0;width:100%}
  .nav-links a::after{height:3px}
  .status-badge,.clock{display:none}
  .hot-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-side{display:none}
  .hero-inner{padding-top:132px;padding-bottom:72px}
  .step-item{grid-template-columns:72px 1fr;gap:22px}
  .step-no{font-size:26px}
}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .section-title{font-size:22px}
  .section-sub{padding-left:24px;font-size:14px}
  .hero{min-height:auto;padding-bottom:8px}
  .hero-inner{padding-top:118px;padding-bottom:56px}
  .hero-title{font-size:30px}
  .hero-sub{font-size:16px;margin-top:16px}
  .hero-actions{width:100%;margin-top:28px}
  .hero-actions .btn{flex:1 1 auto}
  .scene-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat{padding:22px 18px}
  .stat-num{font-size:38px}
  .faq-q{font-size:16px;padding:20px 4px;gap:16px}
  .faq-q:hover{padding-left:4px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
  .cta-side{width:100%}
  .cta-side .btn{width:100%}
  .rail-card{flex:0 0 200px}
  .hot-headline{font-size:18px;left:18px;right:18px;bottom:16px}
}
@media (max-width:519px){
  :root{--pad:20px}
  .announce-inner{font-size:12px}
  .step-item{grid-template-columns:1fr;gap:10px}
  .stats-grid{grid-template-columns:1fr}
  .hero-title{font-size:27px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .btn:hover,.rail-card:hover,.scene-card:hover,.hot-main:hover,.news-main:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --ink:#0E0F12;
  --ink-2:#171A1F;
  --ink-3:#23262C;
  --paper:#F6F5F2;
  --card:#FFFFFF;
  --line:rgba(14,15,18,.10);
  --brand:#C9F24C;
  --brand-deep:#8FC22B;
  --accent:#12B5A4;
  --live:#FF4B3E;
  --t1:#12141A;
  --t2:#5A6068;
  --t3:#8B9199;
  --radius-card:12px;
  --radius-poster:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-hover:0 8px 24px rgba(14,15,18,.10);
  --container:1280px;
  --gutter:24px;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:var(--paper);color:var(--t1);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;letter-spacing:-.02em;color:var(--t1)}
p{margin:0}
figure{margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:36px}
.section-head h2{position:relative;padding-left:18px;font-size:clamp(22px,2.6vw,30px)}
.section-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:.82em;background:var(--brand-deep);border-radius:2px}
.section-head p{margin-top:12px;color:var(--t2);font-size:15px;max-width:740px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--t3);font-family:var(--mono);text-transform:uppercase}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:3px;border-radius:4px}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80}
.announce{background:var(--ink);color:var(--brand);font-size:13px;overflow:hidden;height:36px;transition:height .3s ease,opacity .3s ease}
.announce.is-hidden{height:0;opacity:0}
.announce-inner{display:flex;align-items:center;gap:10px;height:36px}
.announce .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(201,242,76,.18);flex:0 0 auto}
.announce-txt{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.02em}
.announce-close{font-size:17px;line-height:1;color:rgba(201,242,76,.85);padding:4px 8px;border-radius:8px;transition:color .2s,background .2s}
.announce-close:hover{color:#fff;background:rgba(255,255,255,.08)}
.navbar{background:transparent;transition:background .3s ease,border-color .3s ease}
.site-header.is-scrolled .navbar{background:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;gap:24px;height:74px;transition:height .3s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;flex-direction:column;line-height:1;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--brand);margin-top:4px;font-family:var(--mono)}
.nav-links{display:flex;align-items:center;gap:28px;flex:1;margin:0 0 0 12px}
.nav-links a{position:relative;display:inline-block;color:rgba(255,255,255,.78);font-size:13px;letter-spacing:.04em;padding:8px 0;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--brand);transition:width .28s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:50%}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:14px}
.status-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:var(--radius-pill);background:rgba(201,242,76,.12);border:1px solid rgba(201,242,76,.28);color:var(--brand);font-size:12px;letter-spacing:.06em;white-space:nowrap}
.status-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite}
.status-badge-dark{background:rgba(201,242,76,.10);border-color:rgba(201,242,76,.24);color:var(--brand)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.82)}}
.clock{font-size:15px;color:#fff;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:6px 10px;min-width:104px;text-align:center}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.22);position:relative;flex:0 0 auto}
.nav-toggle span{position:absolute;left:11px;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .3s ease}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:22px}
body.is-nav-open .nav-toggle span:nth-child(1){transform:translateY(3px) rotate(45deg)}
body.is-nav-open .nav-toggle span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn-sm{padding:10px 18px;font-size:13px}
.btn-brand{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-2px)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-line:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--t1);border-bottom:1px solid var(--line);padding-bottom:3px;transition:color .2s,border-color .2s}
.link-more:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 内页横幅 ---------- */
.page-hero{position:relative;background:var(--ink);padding:158px 0 68px;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(14,15,18,.95) 10%,rgba(14,15,18,.66) 58%,rgba(14,15,18,.92) 100%)}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55)}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.32)}
.breadcrumb .current{color:var(--t3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{color:#fff;font-size:clamp(28px,4.2vw,50px);font-weight:900;max-width:940px;margin:22px 0 20px;word-break:break-word}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.meta-item{font-size:13px;color:rgba(255,255,255,.62)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;letter-spacing:.06em}
.pill-cat{background:rgba(255,255,255,.10);color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.16)}
.pill-brand{background:var(--brand);color:var(--ink);font-weight:700}
.pill-live{background:rgba(255,75,62,.14);color:#FF7A6E;border:1px solid rgba(255,75,62,.34)}

/* ---------- 文章主体 ---------- */
.article-section{padding:72px 0 96px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start}
.article-main{min-width:0}
.article-content{max-width:760px;font-size:17px;line-height:1.85;color:#23262C;word-break:break-word}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 20px}
.article-content h2{position:relative;font-size:26px;margin:48px 0 16px;padding-left:18px}
.article-content h2::before{content:"";position:absolute;left:0;top:.26em;width:3px;height:.8em;background:var(--brand-deep);border-radius:2px}
.article-content h3{font-size:18px;margin:32px 0 12px}
.article-content h4{font-size:16px;margin:26px 0 10px;color:var(--t2)}
.article-content ul{margin:0 0 20px}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-content ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;background:var(--brand-deep);border-radius:1px}
.article-content ol{list-style:decimal;padding-left:22px;margin:0 0 20px}
.article-content ol li{margin-bottom:10px}
.article-content blockquote{margin:24px 0;padding:18px 22px;background:var(--paper);border-left:3px solid var(--brand-deep);border-radius:0 10px 10px 0;color:var(--t2)}
.article-content img{border-radius:var(--radius-card);margin:24px 0 8px;height:auto}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--t3);margin-top:8px}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;background:var(--card);border-radius:8px;overflow:hidden}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-content th{background:var(--paper);font-weight:700}
.article-content code{font-family:var(--mono);background:var(--paper);padding:2px 6px;border-radius:6px;font-size:15px}
.article-content pre{background:var(--ink-2);color:#E8EAED;padding:18px 20px;border-radius:var(--radius-card);overflow-x:auto;font-size:14px;line-height:1.7}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content a{color:var(--accent);border-bottom:1px solid rgba(18,181,164,.32);transition:border-color .2s,color .2s}
.article-content a:hover{color:var(--brand-deep);border-color:var(--brand-deep)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-foot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.article-foot .tag{font-size:12px;letter-spacing:.06em;color:var(--t2);background:var(--paper);border-radius:var(--radius-pill);padding:6px 12px}
.empty-state{max-width:620px;padding:56px 32px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);text-align:center}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:24px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:16px}
.side-title{display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;background:var(--brand-deep);border-radius:2px}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;color:var(--t2);transition:color .2s,padding-left .2s}
.side-list a:hover{color:var(--t1);padding-left:4px}
.side-list a span.arw{font-family:var(--mono);color:var(--t3)}
.check-list li{position:relative;padding-left:20px;margin-bottom:12px;font-size:14px;color:var(--t2);line-height:1.7}
.check-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--brand-deep);border-radius:2px}
.side-status{display:flex;flex-direction:column;gap:12px;font-size:13px;color:var(--t2)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-poster);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .pill{position:absolute;left:12px;top:12px}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.45}
.card-body p{font-size:14px;color:var(--t2);line-height:1.7}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 4px;text-align:left;font-size:17px;font-weight:700;color:var(--t1);transition:background .2s ease,padding .2s ease}
.faq-q:hover{background:var(--paper);padding-left:14px;padding-right:14px}
.plus{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .3s ease}
.plus::before,.plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--t1);border-radius:2px;transform:translate(-50%,-50%)}
.plus::before{width:14px;height:2px}
.plus::after{width:2px;height:14px}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{max-width:720px;font-size:15px;line-height:1.8;color:var(--t2);padding:0 4px 22px}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:76px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px)}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px}
.cta-copy{max-width:640px}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.cta-copy p{color:rgba(255,255,255,.68);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:76px 0 30px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.brand-footer .brand-main{color:#fff}
.footer-brand p{max-width:330px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.55)}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-mono{font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:var(--t3)}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static}
}
@media (max-width:1023px){
  .nav-links{position:fixed;inset:0;margin:0;background:var(--ink);flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;padding:96px 28px 40px;transform:translateX(100%);transition:transform .35s ease;z-index:70}
  body.is-nav-open .nav-links{transform:translateX(0)}
  .nav-links a{font-size:20px;width:100%;padding:16px 0;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links a::after{display:none}
  .nav-toggle{display:block;z-index:90}
  .status-badge,.clock{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:72px 0}
  .page-hero{padding:132px 0 56px}
}
@media (max-width:767px){
  :root{--gutter:20px}
  .section{padding:56px 0}
  .page-hero{padding:118px 0 48px}
  .page-hero h1{font-size:30px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{font-size:22px;margin-top:38px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .faq-q{font-size:16px;padding:20px 2px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .empty-state{padding:40px 22px}
}
@media (max-width:520px){
  .brand-main{font-size:18px}
  .nav-inner{height:64px}
  .article-content h2{font-size:20px}
  .article-content table{font-size:14px}
  .breadcrumb .current{max-width:32ch}
}
@media (prefers-reduced-motion:reduce){
  *{transition:opacity .2s linear !important}
  html{scroll-behavior:auto}
  .card:hover,.btn:hover{transform:none !important}
  .card:hover .card-media img{transform:none !important}
}

/* roulang page: category1 */
:root{
  --ink:#0E0F12;
  --ink-2:#171A1F;
  --ink-3:#23262C;
  --paper:#F6F5F2;
  --card:#FFFFFF;
  --line:rgba(14,15,18,.10);
  --line-dark:rgba(255,255,255,.08);
  --brand:#C9F24C;
  --brand-deep:#8FC22B;
  --accent:#12B5A4;
  --live:#FF4B3E;
  --t1:#12141A;
  --t2:#5A6068;
  --t3:#8B9199;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:14px;
  --r-pill:999px;
  --sh-hover:0 8px 24px rgba(14,15,18,.10);
  --maxw:1280px;
  --sec:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"Barlow Condensed","DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--t1);}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){:root{--maxw:1360px;}}
::selection{background:var(--brand);color:var(--ink);}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:3px;}

/* ---------- 通用按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--brand);color:var(--ink);}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{border-color:var(--line);color:var(--t1);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost-dark{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-ghost-dark:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:9px;}
.btn-block{width:100%;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--paper);color:var(--t2);
  font-size:12px;letter-spacing:.06em;
}
.tag-brand{background:var(--brand);color:var(--ink);font-weight:700;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:12px;letter-spacing:.06em;color:var(--t2);
  background:rgba(255,255,255,.7);
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(201,242,76,.25);}
.status-badge-dark{border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.78);background:rgba(255,255,255,.05);}

/* ---------- 公告条 ---------- */
.announce{
  background:var(--ink);color:var(--brand);
  font-size:13px;
  max-height:44px;overflow:hidden;
  transition:max-height .28s ease,opacity .28s ease;
}
.announce.is-hidden{max-height:0;opacity:0;}
.announce-inner{display:flex;align-items:center;gap:10px;min-height:38px;}
.announce-inner .dot{width:6px;height:6px;border-radius:50%;background:var(--live);}
.announce-txt{flex:1;letter-spacing:.02em;color:rgba(255,255,255,.82);}
.announce-close{font-size:18px;line-height:1;color:rgba(255,255,255,.5);padding:4px 6px;border-radius:6px;}
.announce-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.navbar{
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
  transition:padding .25s ease,background-color .25s ease;
}
.site-header.is-scrolled .navbar{padding:0;}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:70px;}
.site-header.is-scrolled .nav-inner{min-height:60px;}
.brand{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px;flex:1;}
.nav-links a{
  position:relative;display:inline-block;
  padding:6px 0;font-size:13px;letter-spacing:.04em;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .28s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{width:50%;}
.nav-links a.is-active{color:#fff;font-weight:700;}
.nav-links a.is-active::after{width:100%;}
.nav-side{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.clock{
  min-width:132px;text-align:center;
  background:var(--paper);color:var(--ink);
  border-radius:var(--r-pill);
  padding:5px 14px;font-size:13px;font-weight:700;
}
.nav-toggle{display:none;width:34px;height:34px;position:relative;z-index:120;}
.nav-toggle span{
  position:absolute;left:7px;width:20px;height:2px;background:#fff;border-radius:2px;
  transition:transform .26s ease,opacity .26s ease,top .26s ease;
}
.nav-toggle span:first-child{top:12px;}
.nav-toggle span:last-child{top:20px;}
.nav-toggle.is-open span:first-child{top:16px;transform:rotate(45deg);}
.nav-toggle.is-open span:last-child{top:16px;transform:rotate(-45deg);}

/* ---------- 栏目横幅 ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(90deg,rgba(14,15,18,.92) 0%,rgba(14,15,18,.72) 55%,rgba(14,15,18,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
  padding:88px 0 72px;
}
.banner-inner{max-width:840px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.35);}
.crumb .cur{color:var(--t3);}
.page-banner h1{
  color:#fff;
  font-size:clamp(32px,4.6vw,58px);
  font-weight:900;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.banner-sub{font-size:18px;line-height:1.7;color:rgba(255,255,255,.76);max-width:620px;margin-bottom:26px;}
.banner-inner .status-badge{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.8);}

/* ---------- 主体两栏 ---------- */
.guide-wrap{padding:var(--sec) 0 calc(var(--sec) - 16px);}
.guide-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}

.guide-aside{
  position:sticky;top:104px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  background:transparent;
}
.aside-title{font-size:14px;letter-spacing:.08em;color:var(--t2);font-weight:700;margin-bottom:14px;}
.aside-nav li + li{border-top:1px solid var(--line);}
.aside-nav a{
  display:block;padding:11px 0 11px 14px;
  border-left:2px solid transparent;
  font-size:14px;color:var(--t2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.aside-nav a:hover{color:var(--t1);border-left-color:var(--brand);background:var(--paper);transform:translateX(2px);}
.aside-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--t3);}

.guide-content{min-width:0;}
.guide-block{
  padding-bottom:48px;margin-bottom:48px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.guide-block:last-child{border-bottom:0;margin-bottom:0;}
.block-title{
  font-size:28px;font-weight:800;
  padding-left:24px;border-left:3px solid var(--brand);
  margin-bottom:20px;
}
.block-lead{color:var(--t2);font-size:16px;max-width:760px;margin-bottom:26px;}
.sub-title{font-size:18px;font-weight:700;margin:30px 0 12px;}

.prepare-list li{
  position:relative;padding:12px 0 12px 26px;
  border-bottom:1px dashed var(--line);
  color:var(--t1);
}
.prepare-list li:last-child{border-bottom:0;}
.prepare-list li::before{
  content:"";position:absolute;left:0;top:22px;width:8px;height:8px;background:var(--brand);border-radius:2px;
}
.prepare-list li span{display:block;font-size:14px;color:var(--t2);}

.way-list{border-top:1px solid var(--line);}
.way-row{display:grid;grid-template-columns:220px 1fr;gap:26px;padding:22px 0;border-bottom:1px solid var(--line);}
.way-name{font-size:17px;font-weight:700;}
.way-name em{display:block;font-style:normal;font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.1em;margin-bottom:6px;}
.way-desc{font-size:15px;color:var(--t2);}

.steps{counter-reset:step;border-top:1px solid var(--line);}
.steps li{
  counter-increment:step;
  position:relative;
  padding:26px 0 26px 76px;
  border-bottom:1px solid var(--line);
}
.steps li::before{
  content:"0" counter(step);
  position:absolute;left:0;top:26px;
  font-family:var(--font-mono);font-size:30px;font-weight:700;
  color:var(--brand-deep);line-height:1;
}
.steps h3{font-size:18px;margin-bottom:8px;}
.steps p{font-size:15px;color:var(--t2);max-width:680px;}

.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin:12px 0 34px;}
.alt-row figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);}
.alt-row img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.alt-row:hover img{transform:scale(1.03);}
.alt-row.reverse .alt-media{order:2;}
.alt-body h3{font-size:20px;margin-bottom:12px;}
.alt-body p{font-size:15px;color:var(--t2);}
.alt-body ul{margin-top:14px;}
.alt-body ul li{position:relative;padding:6px 0 6px 20px;font-size:14px;color:var(--t2);}
.alt-body ul li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;background:var(--accent);border-radius:2px;}

.trouble-list{border-top:1px solid var(--line);}
.trouble-row{display:grid;grid-template-columns:300px 1fr;gap:28px;padding:20px 0;border-bottom:1px solid var(--line);}
.trouble-row dt{font-size:15px;font-weight:700;color:var(--t1);}
.trouble-row dt::before{content:"";display:inline-block;width:8px;height:8px;margin-right:10px;background:var(--live);border-radius:2px;vertical-align:1px;}
.trouble-row dd{font-size:15px;color:var(--t2);}

/* ---------- FAQ ---------- */
.faq-acc{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background-color .2s ease;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item:hover{background:var(--paper);}
.faq-i{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .28s ease;}
.faq-i::before,.faq-i::after{content:"";position:absolute;left:50%;top:50%;background:var(--t1);border-radius:2px;}
.faq-i::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-i::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item[open] .faq-i{transform:rotate(45deg);}
.faq-a{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--t2);max-width:720px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background-color:var(--ink);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 1px,transparent 1px 12px);
  color:#fff;
  padding:80px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:32px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.7);font-size:16px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-line{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.brand-footer{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:330px;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-mono{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom{
  margin-top:52px;padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:80px;}
  .nav-links{gap:18px;}
  .clock{display:none;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-toggle{display:block;}
  .nav-links{
    position:fixed;inset:0;
    margin:0;padding:96px 28px 40px;
    background:var(--ink);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:20px;
    transform:translateY(-100%);
    transition:transform .32s ease;
    z-index:100;
  }
  .nav-links.is-open{transform:translateY(0);}
  .nav-links a{font-size:20px;font-weight:700;color:rgba(255,255,255,.85);}
  .nav-links a::after{display:none;}
  .status-badge{display:none;}
  .guide-grid{grid-template-columns:1fr;gap:36px;}
  .guide-aside{position:static;padding:20px;}
  .aside-nav{display:flex;flex-wrap:wrap;gap:8px;}
  .aside-nav li + li{border-top:0;}
  .aside-nav a{border-left:0;padding:8px 14px;border:1px solid var(--line);border-radius:var(--r-pill);}
  .alt-row{grid-template-columns:1fr;gap:24px;}
  .alt-row.reverse .alt-media{order:0;}
  .way-row{grid-template-columns:1fr;gap:8px;}
  .trouble-row{grid-template-columns:1fr;gap:8px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  .page-banner{padding:64px 0 52px;}
  .banner-sub{font-size:16px;}
  .block-title{font-size:22px;padding-left:18px;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:20px 2px;font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .nav-side .btn{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .btn:hover,.aside-nav a:hover{transform:none;}
  .alt-row:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0E0F12;
  --ink-2:#171A1F;
  --ink-3:#23262C;
  --paper:#F6F5F2;
  --card:#FFFFFF;
  --line:rgba(14,15,18,.10);
  --brand:#C9F24C;
  --brand-deep:#8FC22B;
  --accent:#12B5A4;
  --live:#FF4B3E;
  --t1:#12141A;
  --t2:#5A6068;
  --t3:#8B9199;
  --r-card:12px;
  --r-poster:14px;
  --r-btn:10px;
  --maxw:1280px;
  --shadow-hover:0 8px 24px rgba(14,15,18,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.25;}
p{letter-spacing:0;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.announce{
  background:var(--ink);
  color:var(--brand);
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
  overflow:hidden;
  transition:height .3s ease,opacity .3s ease;
}
.announce.is-hidden{height:0;opacity:0;}
.announce-inner{display:flex;align-items:center;gap:10px;width:100%;}
.announce-txt{color:rgba(255,255,255,.76);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;flex:0 0 auto;}
.announce-close{
  margin-left:auto;color:rgba(255,255,255,.55);font-size:18px;line-height:1;padding:4px 8px;border-radius:6px;
  transition:color .2s ease,background .2s ease;
}
.announce-close:hover{color:#fff;background:rgba(255,255,255,.10);}
.navbar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08);}
.nav-inner{display:flex;align-items:center;gap:32px;height:72px;position:relative;transition:height .3s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:baseline;gap:8px;color:#fff;position:relative;z-index:80;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{position:relative;color:rgba(255,255,255,.70);font-size:13px;letter-spacing:.04em;padding:6px 0;display:inline-block;}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width .28s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{width:50%;}
.nav-links a.is-active{color:#fff;font-weight:700;}
.nav-links a.is-active::after{width:100%;}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:16px;position:relative;z-index:80;}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:rgba(201,242,76,.12);border:1px solid rgba(201,242,76,.32);color:var(--brand);
  font-size:12px;letter-spacing:.06em;white-space:nowrap;
}
.status-badge .dot{background:var(--brand);}
.status-badge-dark{background:rgba(201,242,76,.10);border-color:rgba(201,242,76,.28);}
.clock{color:rgba(255,255,255,.85);font-size:14px;letter-spacing:.08em;min-width:96px;text-align:right;}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;padding:0 8px;border-radius:8px;}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:transform .3s ease,opacity .3s ease;}
.nav-toggle.is-open span:first-child{transform:translateY(4px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-4px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;letter-spacing:.02em;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
  will-change:transform;
}
.btn-brand{background:var(--brand);color:var(--ink);}
.btn-brand:hover{background:var(--brand-deep);transform:translateY(-2px);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{border:1px solid rgba(255,255,255,.60);color:#fff;background:transparent;}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-outline{border:1px solid var(--line);color:var(--t1);background:#fff;}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:13px;}
.btn-block{width:100%;}

/* ---------- 分类横幅 ---------- */
.main-cat-download{display:block;}
.cat-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:center;
  padding:72px 0;
  color:#fff;
  background-image:
    linear-gradient(180deg,rgba(14,15,18,.74),rgba(14,15,18,.74)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.cat-hero h1{
  font-size:clamp(32px,4.6vw,56px);
  max-width:860px;
  margin-top:20px;
}
.cat-hero p{
  margin-top:18px;
  font-size:18px;
  color:rgba(255,255,255,.78);
  max-width:660px;
}

/* ---------- 胶囊标签条 ---------- */
.tag-strip-section{padding:36px 0 0;}
.tag-strip{
  display:flex;gap:12px;overflow-x:auto;padding:6px 0 14px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.tag-strip::-webkit-scrollbar{height:4px;}
.tag-strip::-webkit-scrollbar-thumb{background:rgba(14,15,18,.16);border-radius:999px;}
.tag-pill{
  flex:0 0 auto;scroll-snap-align:start;
  border:1px solid var(--line);border-radius:999px;
  padding:9px 18px;font-size:13px;letter-spacing:.06em;color:var(--t2);background:#fff;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.tag-pill:hover{border-color:var(--ink);color:var(--t1);transform:translateY(-1px);}
.tag-pill.is-active{background:var(--brand);border-color:var(--brand);color:var(--ink);font-weight:700;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{margin-bottom:32px;}
.sec-title{position:relative;padding-left:24px;font-size:28px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;
  background:var(--brand);border-radius:2px;
}
.sec-lead{margin-top:14px;color:var(--t2);font-size:16px;max-width:720px;}

/* ---------- 宽幅图文行 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:55fr 45fr;
  gap:48px;
  align-items:center;
}
.feature-row.is-reverse{grid-template-columns:45fr 55fr;}
.feature-row + .feature-row{margin-top:72px;}
.feature-media{
  border-radius:var(--r-poster);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.feature-media:hover img{transform:scale(1.03);}
.feature-body h3{font-size:22px;margin-bottom:14px;}
.feature-body > p{color:var(--t2);font-size:16px;}
.feature-list{margin-top:18px;}
.feature-list li{
  position:relative;padding-left:18px;margin-top:10px;
  color:var(--t2);font-size:15px;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.feature-meta{
  display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:24px;
  padding-top:18px;border-top:1px solid var(--line);
}
.feature-meta span{font-size:13px;color:var(--t3);}
.feature-meta strong{
  font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--t1);
  margin-right:6px;letter-spacing:-.01em;
}

/* ---------- 核对清单块 ---------- */
.key-points{
  background:var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:80px 0;
}
.points-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;margin-top:32px;
}
.point-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:background .22s ease,transform .22s ease;
}
.point-item:hover{background:var(--paper);transform:translateX(4px);}
.point-mark{
  flex:0 0 auto;width:10px;height:10px;border-radius:2px;
  background:var(--brand);margin-top:9px;
}
.point-item p{font-size:15px;color:var(--t2);}
.point-item strong{display:block;font-size:16px;color:var(--t1);margin-bottom:2px;font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);margin-top:32px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:700;cursor:pointer;list-style:none;
  transition:background .22s ease,padding-left .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--paper);padding-left:12px;}
.faq-mark{
  position:relative;flex:0 0 auto;width:20px;height:20px;
  transition:transform .28s ease;
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;background:var(--t1);border-radius:1px;
}
.faq-mark::before{left:9px;top:0;width:2px;height:20px;}
.faq-mark::after{left:0;top:9px;width:20px;height:2px;}
.faq-item[open] .faq-mark{transform:rotate(45deg);}
.faq-body{
  max-width:720px;padding:0 0 24px;
  font-size:15px;line-height:1.8;color:var(--t2);
}

/* ---------- 底部行动区 ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#fff;padding:88px 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-copy{max-width:640px;}
.cta-band h2{font-size:clamp(26px,3.2vw,40px);}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand p{margin-top:16px;font-size:14px;max-width:340px;color:rgba(255,255,255,.60);}
.brand-footer .brand-main{color:#fff;}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:16px;font-weight:700;
}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a:hover{color:var(--brand);}
.footer-mono{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{
    position:fixed;inset:0;margin:0;z-index:70;
    background:var(--ink);
    flex-direction:column;justify-content:center;align-items:flex-start;gap:26px;
    padding:0 32px;
    transform:translateX(100%);
    transition:transform .32s ease;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:20px;letter-spacing:.02em;}
  .nav-links a::after{bottom:-4px;}
  .nav-toggle{display:flex;}
  .status-badge,.clock{display:none;}
  .section{padding:72px 0;}
  .key-points{padding:64px 0;}
  .points-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .feature-row,.feature-row.is-reverse{grid-template-columns:1fr;gap:24px;}
  .feature-row + .feature-row{margin-top:56px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .cat-hero{min-height:auto;padding:56px 0;}
  .cat-hero p{font-size:16px;}
  .section{padding:56px 0;}
  .sec-title{font-size:22px;}
  .feature-body h3{font-size:19px;}
  .faq-item summary{padding:20px 0;font-size:16px;}
  .cta-band{padding:64px 0;}
  .cta-inner{flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .tag-strip-section{padding:24px 0 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:opacity .2s ease!important;scroll-behavior:auto!important;}
  .btn:hover,.point-item:hover,.feature-media:hover img{transform:none!important;}
}