/* roulang page: index */
:root{
  --ink:#0E1116;
  --ink-2:#1A1D24;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E5E1;
  --line-dark:rgba(255,255,255,.10);
  --text:#1B1E24;
  --text-2:#5B6169;
  --text-3:#8A9099;
  --lime:#C8FF3D;
  --orange:#FF7A3D;
  --ok:#17A673;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,17,22,.06);
  --sh-2:0 12px 32px -12px rgba(14,17,22,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:60px;
  --cd-h:40px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.82;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{letter-spacing:-.01em;word-break:keep-all}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.row{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:64px;padding-right:64px}
.grid-gutter{margin-left:-12px;margin-right:-12px}
.grid-gutter>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--text-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);display:inline-block}
.eyebrow.on-dark{color:rgba(255,255,255,.62)}

.dot-grid{width:22px;height:22px;display:inline-block;flex:0 0 auto}
.dot-grid rect{fill:currentColor}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.sec-head .sec-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:620px}
.sec-head .sec-more{font-size:15px;font-weight:500;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px}
.sec-head .sec-more:hover{color:var(--text-2)}

/* 顶部倒计时 */
.topbar{
  background:var(--ink);
  color:#fff;
  min-height:var(--cd-h);
  display:flex;align-items:center;
}
.topbar .row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.tag-orange{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-badge);
  background:rgba(255,122,61,.18);color:#FFB08A;font-size:12px;font-weight:700;letter-spacing:.04em;flex:0 0 auto;
}
.topbar-text{font-size:13px;color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.cd-group{display:flex;align-items:center;gap:6px}
.cd-cell{display:flex;align-items:center;gap:4px}
.cd-num{
  width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.09);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;transition:background .24s var(--ease),color .24s var(--ease);
}
.cd-label{font-size:11px;color:rgba(255,255,255,.45)}
.cd-sep{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.28)}
.topbar.is-urgent .cd-num{background:rgba(255,122,61,.18);color:#FFB08A}
.topbar .btn-mini{
  height:28px;padding:0 14px;border-radius:999px;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;transition:transform .2s var(--ease);
}
.topbar .btn-mini:hover{transform:translateY(-1px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,246,244,.96);border-bottom:1px solid var(--line)}
.site-header.is-scrolled{background:rgba(245,246,244,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.nav-bar{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-bar{height:52px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;flex:0 0 auto}
.brand .dot-grid{color:var(--ink)}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .2s var(--ease)}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--ink);font-weight:700}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line);
  border-radius:999px;background:#fff;width:200px;transition:width .26s var(--ease),border-color .2s var(--ease);
}
.nav-search:focus-within{width:260px;border-color:var(--ink)}
.nav-search svg{width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.6;flex:0 0 auto}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{position:fixed;inset:0;background:rgba(14,17,22,.4);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:80}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:90;
  transform:translateX(-100%);transition:transform .24s var(--ease);padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:18px;line-height:1}
.drawer-menu{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-menu a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500}
.drawer-menu a.is-active{color:var(--ink);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);transform:skewX(-18deg);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:hover::after{animation:sheen .6s var(--ease) 1}
@keyframes sheen{from{left:-60%}to{left:120%}}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-gray{background:#EDEFEB;color:var(--text-2)}
.badge-lime{background:rgba(200,255,61,.28);color:#3F5209}
.badge-orange{background:rgba(255,122,61,.16);color:#B4441A}

/* Hero */
.hero{padding:72px 0 88px;overflow:hidden}
.hero-row{align-items:center}
.hero-copy{padding-right:24px}
.hero h1{
  font-size:clamp(32px,4.4vw,58px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin:18px 0 18px;
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:8px;background:var(--lime);opacity:.55;z-index:-1}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:22px;max-width:560px}
.hero-stats .stat{flex:1 1 140px;padding-right:24px;position:relative}
.hero-stats .stat+.stat{padding-left:24px}
.hero-stats .stat+.stat::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--line)}
.hero-stats strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--text-2)}
.hero-visual{position:relative}
.hero-shot{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2)}
.hero-shot img{width:100%;aspect-ratio:16/12;object-fit:cover}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,0) 40%,rgba(14,17,22,.55) 100%)}
.hero-float{
  position:absolute;left:-16px;bottom:26px;background:#fff;border-radius:14px;padding:12px;
  display:flex;gap:12px;align-items:center;box-shadow:var(--sh-2);max-width:280px;
}
.hero-float img{width:56px;height:56px;border-radius:10px;object-fit:cover}
.hero-float b{display:block;font-size:14px;font-weight:700;line-height:1.5}
.hero-float em{font-style:normal;font-size:12px;color:var(--text-3)}

/* 卖点带 */
.points{display:flex;gap:48px;align-items:flex-start}
.points-head{flex:0 0 300px}
.points-head h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.32;margin-top:14px}
.points-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.points-list{flex:1 1 auto;min-width:0;border-top:1px solid var(--line)}
.point-row{
  display:flex;gap:24px;align-items:flex-start;padding:26px 8px;border-bottom:1px solid var(--line);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.point-row:hover{transform:translateX(2px)}
.point-num{font-size:26px;font-weight:800;color:#CDD1CB;line-height:1.2;font-variant-numeric:tabular-nums;transition:color .22s var(--ease)}
.point-row:hover .point-num{color:var(--lime)}
.point-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.point-body p{font-size:15px;color:var(--text-2);max-width:640px}

/* 图墙 */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.wall-item{position:relative;border-radius:var(--r-img);overflow:hidden;display:block;background:var(--ink-2);min-height:180px}
.wall-item:first-child{grid-column:span 2;grid-row:span 2;min-height:376px}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.wall-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,.10) 0%,rgba(14,17,22,.72) 100%);transition:opacity .3s var(--ease)}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:hover::after{opacity:.72}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:18px;z-index:2;color:#fff}
.wall-cap h3{font-size:16px;font-weight:700;line-height:1.5}
.wall-cap span{font-size:12px;color:rgba(255,255,255,.72)}
.wall-tag{position:absolute;top:14px;left:14px;z-index:2}

/* 资讯卡 */
.news-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-card h3{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{background-image:linear-gradient(var(--lime),var(--lime));background-repeat:no-repeat;background-size:100% 2px;background-position:0 100%}
.news-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.news-meta .go{color:var(--ink);font-weight:700}
.news-card:hover .news-meta .go{color:#6F8A1E}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-state .dot-grid{color:#CDD1CB;width:44px;height:44px}
.empty-state p{color:var(--text-2);font-size:15px}

/* CTA + 表单 */
.cta-band{background:var(--ink);color:#fff;padding:88px 0}
.cta-grid{align-items:center}
.cta-copy h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.35;margin:16px 0 12px}
.cta-copy p{color:rgba(255,255,255,.68);font-size:15px;max-width:460px}
.cta-checks{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-checks li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-checks svg{width:18px;height:18px;margin-top:4px;flex:0 0 auto;stroke:var(--lime);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-2);color:var(--text)}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px}
.field .ctrl{position:relative;display:flex;align-items:center;gap:8px}
.field input[type="text"],.field input[type="tel"],.field input[type="search"],.field select{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;outline:0;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235B6169' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field input:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,255,61,.30)}
.field.has-error input{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,61,.16)}
.field .err{display:none;font-size:12px;color:var(--orange);margin-top:6px}
.field.has-error .err{display:block}
.code-btn{
  flex:0 0 auto;height:46px;padding:0 16px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:500;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.code-btn:hover{border-color:var(--ink)}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin:18px 0 20px}
.agree input{margin-top:3px;width:16px;height:16px;accent-color:#0E1116}
.agree a{border-bottom:1px solid var(--line)}
.form-hint{margin-top:14px;font-size:12px;color:var(--text-3);text-align:center}

/* FAQ */
.faq-wrap{max-width:880px}
.faq-dark .accordion{background:transparent;border:0}
.faq-dark .accordion-item{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
}
.faq-dark .accordion-title{
  border:0;background:transparent;color:#fff;padding:18px 56px 18px 20px;font-size:16px;font-weight:700;position:relative;
}
.faq-dark .accordion-title::before{display:none}
.faq-dark .accordion-title .plus{
  position:absolute;right:20px;top:50%;width:14px;height:14px;transform:translateY(-50%);transition:transform .24s var(--ease);
}
.faq-dark .accordion-title .plus::before,.faq-dark .accordion-title .plus::after{
  content:"";position:absolute;background:var(--lime);border-radius:2px;
}
.faq-dark .accordion-title .plus::before{left:0;top:6px;width:14px;height:2px}
.faq-dark .accordion-title .plus::after{left:6px;top:0;width:2px;height:14px}
.faq-dark .accordion-item.is-active .accordion-title .plus{transform:translateY(-50%) rotate(45deg)}
.faq-dark .accordion-content{border:0;background:transparent;color:rgba(255,255,255,.70);padding:0 20px 20px;font-size:15px;line-height:1.8}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand .dot-grid{color:rgba(255,255,255,.85)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.55);max-width:300px}
.footer-qr{margin-top:20px;display:flex;align-items:center;gap:12px}
.footer-qr .qr-box{
  width:74px;height:74px;border-radius:10px;border:1px solid var(--line-dark);display:grid;place-items:center;background:rgba(255,255,255,.04);
}
.footer-qr .qr-box .dot-grid{color:rgba(255,255,255,.42);width:34px;height:34px}
.footer-qr span{font-size:12px;color:rgba(255,255,255,.45);max-width:120px;display:block}
.footer-col h4{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.45);font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-watermark{position:absolute;right:40px;bottom:24px;color:rgba(255,255,255,.08);width:96px;height:96px;pointer-events:none}

.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1439px){
  .row{padding-left:40px;padding-right:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .points{flex-direction:column;gap:24px}
  .points-head{flex:1 1 auto}
  .hero{padding:56px 0 64px}
  .hero-copy{padding-right:0;margin-bottom:36px}
  .hero-shot img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .wall{grid-template-columns:repeat(2,1fr)}
  .wall-item:first-child{grid-column:span 2;grid-row:auto;min-height:220px}
}
@media (max-width:639px){
  .row{padding-left:24px;padding-right:24px}
  .section{padding:56px 0}
  .hero h1{font-size:clamp(28px,7vw,36px)}
  .hero-stats .stat{flex:1 1 100%;padding:12px 0}
  .hero-stats .stat+.stat{padding-left:0}
  .hero-stats .stat+.stat::before{display:none}
  .hero-stats .stat{border-top:1px solid var(--line)}
  .hero-stats .stat:first-child{border-top:0}
  .topbar .cd-cell.cd-day{display:none}
  .topbar-text{max-width:140px}
  .hero-float{left:8px;bottom:12px;max-width:240px}
  .footer-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .btn{width:100%}
  .hero-cta{gap:10px}
  .cta-band{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0E1116;
  --ink-2:#1A1D24;
  --lime:#C8FF3D;
  --orange:#FF7A3D;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E5E1;
  --text:#1B1E24;
  --text-2:#5B6169;
  --text-3:#8A9099;
  --ok:#17A673;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,17,22,.06);
  --sh-2:0 12px 32px -12px rgba(14,17,22,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{border:0;background:none;cursor:pointer;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

.row{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:64px;padding-right:64px;width:100%}
@media (min-width:1440px){.row{max-width:1280px}}

/* ---------- 顶部倒计时条 ---------- */
.countdown-bar{background:var(--ink);color:#E9EBE6;font-size:14px;position:relative;z-index:60}
.countdown-inner{display:flex;align-items:center;gap:14px;height:40px}
.cd-tag{background:rgba(255,122,61,.18);color:var(--orange);border-radius:var(--r-badge);padding:2px 8px;font-size:12px;font-weight:700;letter-spacing:.04em;flex:none}
.cd-text{color:#B9BEC4;font-size:13px}
.cd-clock{display:flex;align-items:center;gap:6px;margin-left:auto;font-variant-numeric:tabular-nums}
.cd-num{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 4px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);font-weight:700;font-size:14px;color:#fff;font-variant-numeric:tabular-nums;transition:color .2s var(--ease),border-color .2s var(--ease)}
.cd-sep{color:#7C838C;font-size:12px;margin-right:2px}
.cd-clock.is-urgent .cd-num{border-color:rgba(255,122,61,.6);color:var(--orange);animation:cdPulse 1.6s var(--ease) 1}
@keyframes cdPulse{0%{transform:scale(1)}40%{transform:scale(1.06)}100%{transform:scale(1)}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,246,244,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(14,17,22,.5)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-bar{height:52px}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0}
.nav-right{display:flex;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.dot-grid{width:22px;height:22px;flex:none}
.dot-grid rect{fill:var(--ink)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);transition:color .2s var(--ease)}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .24s var(--ease)}
.nav-menu a:hover,.nav-menu a.is-active{color:var(--ink)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{width:100%}
.nav-search{display:flex;align-items:center;gap:8px;width:200px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:width .24s var(--ease),border-color .2s var(--ease)}
.nav-search:focus-within{width:260px;border-color:var(--lime)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.01em;overflow:hidden;transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#b9f22c;transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(14,17,22,.55)}
.btn-primary::after{content:"";position:absolute;top:0;left:-60%;width:38%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);transform:skewX(-18deg);opacity:0}
.btn-primary:hover::after{animation:sheen .6s ease-out 1}
@keyframes sheen{0%{left:-60%;opacity:1}100%{left:130%;opacity:0}}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.24);color:#F5F6F4}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-xs{height:30px;padding:0 14px;font-size:13px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,17,22,.4);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.site-drawer{position:fixed;top:0;left:0;z-index:80;width:300px;max-width:86vw;height:100%;background:#fff;transform:translateX(-100%);transition:transform .24s var(--ease);padding:20px 22px;overflow-y:auto;display:flex;flex-direction:column;gap:22px}
.site-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;font-size:18px;line-height:1;color:var(--text-2)}
.drawer-menu{display:grid;gap:4px}
.drawer-menu a{padding:11px 12px;border-radius:var(--r-input);font-size:15px;font-weight:500;color:var(--text-2)}
.drawer-menu a:hover,.drawer-menu a.is-active{background:#F1F2EE;color:var(--ink)}
.drawer-search{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:#C6CAC5}
.breadcrumb .now{color:var(--text-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding:18px 0 26px;border-bottom:1px solid var(--line)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);font-size:12px;font-weight:700;line-height:1.5}
.badge-cat{background:#EDEEEA;color:#4A4F57}
.article-hero h1{margin:16px 0 18px;font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.25;max-width:920px;overflow-wrap:break-word}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:15px;height:15px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round}
.meta-share{margin-left:auto;display:flex;align-items:center;gap:8px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;color:var(--text-2);transition:border-color .2s var(--ease),color .2s var(--ease)}
.share-btn:hover{border-color:var(--lime);color:var(--ink)}
.share-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:44px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start}
.article-main{min-width:0}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.85;color:#262A31;max-width:760px;overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;margin:40px 0 16px;padding-left:16px;font-size:24px;font-weight:700;color:var(--ink);line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:.36em;width:3px;height:1em;background:var(--lime);border-radius:2px}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:700;color:var(--ink)}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body blockquote{margin:24px 0;padding:16px 22px;background:#FFFFFF;border-left:3px solid var(--ink);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:24px auto;border-radius:var(--r-img)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:0;border-bottom:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#EDEEEA;font-weight:700;color:var(--ink)}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:3px;text-underline-offset:3px}
.article-body a:hover{color:#000;text-decoration-color:var(--ink)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:#EFEFEB;border-radius:6px;padding:1px 6px;font-size:15px}

/* ---------- 标签 / 前后篇 / 相关 ---------- */
.section-block{margin-top:48px}
.section-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.04em}
.section-title .nine{width:14px;height:14px;flex:none}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;color:var(--text-2);transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.tag:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-1px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.post-nav a{display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--lime)}
.post-nav .label{display:block;margin-bottom:6px;font-size:12px;letter-spacing:.12em;color:var(--text-3)}
.post-nav .title{display:block;font-size:15px;font-weight:500;color:var(--ink);line-height:1.6}
.post-nav .next{text-align:right}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:16px}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.rec-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#E8E9E5}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rec-card:hover .thumb img{transform:scale(1.03)}
.rec-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.rec-card .foot .more{color:var(--ink);border-bottom:1px solid var(--lime)}
.back-row{margin-top:32px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:80px;display:grid;gap:24px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{margin-bottom:14px;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--ink)}
.hot-list{display:grid;gap:2px}
.hot-list a{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);transition:transform .2s var(--ease)}
.hot-list li:last-child a{border-bottom:0}
.hot-list a:hover{transform:translateX(2px)}
.hot-list .num{flex:none;width:22px;font-size:13px;font-weight:700;color:#C3C7C1;font-variant-numeric:tabular-nums}
.hot-list a:hover .num{color:var(--lime)}
.hot-list .txt{font-size:14px;color:var(--text-2);line-height:1.6}
.hot-list a:hover .txt{color:var(--ink)}
.hot-list .time{display:block;margin-top:4px;font-size:12px;color:var(--text-3)}
.side-cta{background:var(--ink);border-color:var(--ink);color:#D7DAE0}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;line-height:1.75;color:#B9BEC4;margin-bottom:16px}
.side-cta .btn{width:100%}
.side-nav{display:grid;gap:4px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--r-input);font-size:14px;color:var(--text-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.side-nav a:hover{background:#F1F2EE;color:var(--ink)}
.side-nav a span.arrow{color:#C3C7C1}

/* ---------- 空态 ---------- */
.empty-state{padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;text-align:center}
.empty-state .dot-grid{width:44px;height:44px;margin:0 auto 16px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:18px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:96px;background:var(--ink);color:#B9BEC4;padding-top:64px;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand p{margin:16px 0 20px;max-width:320px;font-size:14px;line-height:1.8;color:#9BA1A9}
.footer-qr{display:flex;align-items:center;gap:12px;font-size:13px;color:#8A9099;line-height:1.6}
.qr-box{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:10px;background:#1A1D24;border:1px solid rgba(255,255,255,.10);flex:none}
.qr-box .dot-grid{width:26px;height:26px}
.qr-box .dot-grid rect{fill:#EDEEEA}
.footer-col h4{margin-bottom:16px;font-size:12px;font-weight:700;letter-spacing:.12em;color:#fff}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9BEC4;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding:20px 0;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:#8A9099}
.footer-watermark{position:absolute;right:24px;bottom:72px;width:96px;height:96px;opacity:.08;pointer-events:none}
.footer-watermark rect{fill:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .row{padding-left:40px;padding-right:40px}
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .sidebar{position:static;top:auto}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .row{padding-left:24px;padding-right:24px}
  .card-grid-3{grid-template-columns:minmax(0,1fr)}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-watermark{display:none}
  .meta-share{margin-left:0}
}
@media (max-width:639px){
  .cd-text{display:none}
  .cd-num[data-unit="d"],.cd-num[data-unit="d"]+.cd-sep{display:none}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .article-hero h1{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .btn{padding:0 20px}
}

/* roulang page: category1 */
:root{
  --ink:#0E1116;
  --ink-2:#1A1D24;
  --lime:#C8FF3D;
  --lime-ink:#6E9C00;
  --orange:#FF7A3D;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E5E1;
  --line-2:#D6D9D3;
  --line-dark:rgba(255,255,255,.10);
  --text:#1B1E24;
  --text-2:#5B6169;
  --text-3:#8A9099;
  --ok:#17A673;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,17,22,.06);
  --sh-2:0 12px 32px -12px rgba(14,17,22,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.82;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;overflow-wrap:break-word}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}

/* 容器 */
.row{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

/* XY Grid 兜底布局 */
.grid-x{display:flex;flex-wrap:wrap}
.grid-x>.cell{flex:0 0 100%;max-width:100%;min-width:0}
@media (min-width:640px){
  .grid-x>.cell.medium-6{flex:0 0 50%;max-width:50%}
}
@media (min-width:1024px){
  .grid-x>.cell.large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .grid-x>.cell.large-6{flex:0 0 50%;max-width:50%}
  .grid-x>.cell.large-7{flex:0 0 58.3333%;max-width:58.3333%}
}

/* 通用元素 */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.24em;color:var(--text-2);font-weight:500}
.eyebrow::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--lime);display:inline-block}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:500;background:#EDEFEA;color:var(--text-2)}
.badge-orange{background:rgba(255,122,61,.14);color:#C2500F}
.badge-dark{background:rgba(255,255,255,.10);color:#EDEFEA}
.dot-grid{width:22px;height:22px;flex:0 0 auto}
.dot-grid rect:not([fill]){fill:currentColor}
.num{font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid transparent;background:transparent;
  font-size:15px;font-weight:500;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);font-weight:700}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px -14px rgba(14,17,22,.38)}
.btn-primary::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:38%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.65),transparent);
  transform:skewX(-18deg);opacity:0;pointer-events:none}
.btn-primary:hover::after{animation:sheen .6s var(--ease) 1}
@keyframes sheen{0%{left:-60%;opacity:1}100%{left:120%;opacity:0}}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:#fff}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-xs{height:30px;padding:0 14px;font-size:13px;font-weight:700}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}

/* 倒计时条 */
.countdown-bar{background:var(--ink);color:#F5F6F4;position:relative;z-index:70}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:4px;padding-bottom:4px}
.cd-left{display:flex;align-items:center;gap:12px;min-width:0}
.cd-text{font-size:13px;color:rgba(245,246,244,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cd-right{display:flex;align-items:center;gap:14px}
.cd-units{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-unit{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:rgba(245,246,244,.6)}
.cd-unit b{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border-radius:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;font-size:13px;font-weight:700}
.countdown-bar.is-urgent .cd-unit b{border-color:rgba(255,122,61,.7);color:var(--orange);animation:pulseOnce 1.2s var(--ease) 1}
@keyframes pulseOnce{0%{transform:scale(1)}45%{transform:scale(1.08)}100%{transform:scale(1)}}

/* 导航 */
.site-header{position:sticky;top:0;z-index:65;background:rgba(245,246,244,.86);border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{background:rgba(245,246,244,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-bar{height:52px}
.nav-left{display:flex;align-items:center;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:30px}
.nav-menu a{position:relative;padding:4px 1px;font-size:15px;font-weight:500;color:var(--text-2);transition:color .22s var(--ease)}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .26s var(--ease)}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{width:100%}
.nav-menu a.is-active{color:var(--ink);font-weight:700}
.nav-search{display:flex;align-items:center;gap:8px;width:200px;height:38px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);transition:width .24s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{width:260px;border-color:var(--lime-ink);box-shadow:0 0 0 3px rgba(200,255,61,.25)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;flex:0 0 auto}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* 抽屉 */
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:95;padding:20px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;transform:translateX(-100%);transition:transform .24s var(--ease);box-shadow:var(--sh-2)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;cursor:pointer}
.drawer-menu{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 0}
.drawer-menu a{padding:12px 4px;font-size:16px;color:var(--text-2);border-radius:8px}
.drawer-menu a.is-active{color:var(--ink);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-mask{position:fixed;inset:0;background:rgba(14,17,22,.4);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* Hero */
.hero{padding:56px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:40px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,61,.22),transparent 68%);pointer-events:none}
.hero-grid{align-items:center;row-gap:36px;column-gap:0}
.hero-content{padding-right:32px}
.hero h1{margin:16px 0 18px;font-size:clamp(32px,4.4vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:flex;flex-wrap:wrap;margin-top:36px;border-top:1px solid var(--line);padding-top:22px}
.metric{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0;margin-right:0;padding-right:0}
.metric b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.metric span{display:block;font-size:13px;color:var(--text-2);margin-top:4px;max-width:190px;line-height:1.6}
.hero-visual{padding-left:8px}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);box-shadow:var(--sh-2)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,.05),rgba(14,17,22,.42))}
.hero-float{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;background:rgba(255,255,255,.95);
  border-radius:var(--r-img);padding:14px 16px;display:flex;flex-direction:column;gap:5px;box-shadow:var(--sh-1)}
.hero-float strong{font-size:15px;font-weight:700}
.hero-float span{font-size:13px;color:var(--text-2);line-height:1.6}

/* 分类 chips */
.chips-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chips-row{display:flex;align-items:center;gap:10px;min-height:64px;overflow-x:auto;scrollbar-width:none}
.chips-row::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.is-current{background:var(--ink);border-color:var(--ink);color:#F5F6F4}

/* 板块 */
.section{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin-top:12px;font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2)}

/* 图文交替 */
.feature{padding-bottom:56px}
.feature:last-of-type{padding-bottom:0}
.feature-grid{align-items:center;row-gap:28px}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1)}
.feature-text{padding:0 8px}
.feature-text h3{font-size:21px;margin-bottom:12px}
.feature-text p{color:var(--text-2);font-size:15.5px}
.feature-list{margin-top:18px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7}
.feature-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);margin-top:9px;flex:0 0 auto}
@media (min-width:1024px){
  .feature-grid.is-reverse{flex-direction:row-reverse}
  .feature-grid{gap:0 56px}
  .feature-text{padding:0}
}

/* 要点清单 */
.points-list{border-top:1px solid var(--line)}
.points-list li{display:flex;gap:26px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line);transition:transform .22s var(--ease)}
.points-list li:hover{transform:translateX(2px)}
.points-list .num{font-size:26px;font-weight:800;line-height:1.2;color:#C9CDC7;flex:0 0 62px;transition:color .22s var(--ease)}
.points-list li:hover .num{color:var(--lime-ink)}
.points-list h3{font-size:17px;margin-bottom:6px}
.points-list p{font-size:15px;color:var(--text-2);max-width:780px}

/* CTA 条 */
.cta-section{padding:56px 0}
.cta-strip{background:var(--ink);color:#F5F6F4;border-radius:20px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy{max-width:560px}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px)}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(245,246,244,.72)}
.cta-form{display:flex;flex-wrap:wrap;gap:10px;align-items:center;min-width:300px}
.cta-form input{height:46px;width:250px;max-width:100%;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.cta-form input::placeholder{color:rgba(245,246,244,.45)}
.cta-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,255,61,.18)}
.form-hint{width:100%;font-size:13px;color:rgba(245,246,244,.55)}
.form-note{width:100%;font-size:13px;color:var(--lime);min-height:20px}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{font-size:16.5px;font-weight:700;line-height:1.5}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);animation:fadeUp .26s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 页脚 */
.site-footer{position:relative;overflow:hidden;background:var(--ink);color:rgba(245,246,244,.78);margin-top:24px}
.site-footer::after{content:"";position:absolute;right:36px;bottom:30px;width:96px;height:96px;opacity:.08;
  color:#fff;pointer-events:none;
  background-image:radial-gradient(currentColor 2px,transparent 2px);background-size:32px 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding:64px 0 48px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand>p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(245,246,244,.64);max-width:330px}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:13px;line-height:1.6;color:rgba(245,246,244,.58)}
.qr-box{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;flex:0 0 auto;
  border-radius:12px;background:rgba(255,255,255,.06);color:#fff}
.qr-box .dot-grid{width:32px;height:32px}
.footer-col h4{font-size:12px;font-weight:500;letter-spacing:.14em;color:rgba(245,246,244,.5)}
.footer-col ul{margin-top:16px;display:grid;gap:10px;font-size:14px}
.footer-col li{color:rgba(245,246,244,.7)}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding:20px 0 30px;font-size:13px;color:rgba(245,246,244,.5)}
.footer-bottom a:hover{color:var(--lime)}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1023px){
  .row{padding:0 28px}
  .section{padding:56px 0}
  .hero{padding:40px 0 52px}
  .hero-content{padding-right:0}
  .hero-visual{padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 40px}
  .nav-menu{gap:20px;margin-left:22px}
  .nav-search{width:160px}
  .nav-search:focus-within{width:200px}
}
@media (max-width:767px){
  .cta-strip{padding:28px 24px;border-radius:16px}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .cd-days{display:none}
  .metric{padding-right:18px;margin-right:18px}
}
@media (max-width:639px){
  .row{padding:0 20px}
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .hero h1{font-size:30px}
  .hero-metrics{margin-top:28px}
  .metric{flex:1 1 100%;border-right:0;padding:0 0 14px;margin:0 0 14px;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .points-list li{gap:16px;padding:22px 0}
  .points-list .num{flex:0 0 42px;font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 32px}
  .site-footer::after{right:20px;bottom:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item summary{padding:18px}
  .faq-body{padding:0 18px 18px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0E1116;
  --ink-2:#1A1D24;
  --ink-3:#1B1E24;
  --lime:#C8FF3D;
  --lime-soft:rgba(200,255,61,.24);
  --orange:#FF7A3D;
  --orange-soft:rgba(255,122,61,.14);
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E5E1;
  --line-dark:rgba(255,255,255,.10);
  --t1:#1B1E24;
  --t2:#5B6169;
  --t3:#8A9099;
  --ok:#17A673;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,17,22,.06);
  --sh-2:0 12px 32px -12px rgba(14,17,22,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
  --container:1280px;
  --nav-h:68px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;color:var(--t1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
svg{display:block}
dl,dd,dt{margin:0}
::selection{background:rgba(200,255,61,.6);color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
.site-footer a:focus-visible{outline-color:var(--lime)}

.row{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
  display:block;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.tabular{font-variant-numeric:tabular-nums}

/* ============ 倒计时条 ============ */
.countdown-bar{background:var(--ink);color:#EDEFF0;position:relative;z-index:70}
.countdown-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding-top:5px;padding-bottom:5px;flex-wrap:wrap;
}
.cd-left{display:flex;align-items:center;gap:10px;min-width:0}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-badge);font-size:12px;font-weight:700;letter-spacing:.04em}
.badge-orange{background:var(--orange-soft);color:#FFB08A;border:1px solid rgba(255,122,61,.35)}
.cd-text{font-size:13.5px;color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cd-right{display:flex;align-items:center;gap:14px}
.cd-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-block{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:28px;padding:0 6px;border-radius:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  color:#F2F4F1;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.cd-label{font-size:12px;color:rgba(255,255,255,.55);margin-right:4px}
.cd-sep{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.3);margin:0 2px}
.countdown-bar.is-urgent .cd-block{border-color:rgba(255,122,61,.7);color:#FFB08A;animation:cdPulse 900ms var(--ease) 1}
@keyframes cdPulse{0%{transform:scale(1)}45%{transform:scale(1.06)}100%{transform:scale(1)}}
.cd-block.is-tick{animation:cdFade 180ms var(--ease) 1}
@keyframes cdFade{from{opacity:.35}to{opacity:1}}
.cd-link{
  font-size:13px;font-weight:600;color:var(--ink);background:var(--lime);
  height:28px;display:inline-flex;align-items:center;padding:0 14px;border-radius:var(--r-pill);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cd-link:hover{transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(200,255,61,.9)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,246,244,.96);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(245,246,244,.86);backdrop-filter:blur(8px);box-shadow:0 1px 0 rgba(14,17,22,.05)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);transition:height var(--dur) var(--ease)}
.site-header.is-scrolled .nav-bar{height:58px}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink-3);white-space:nowrap}
.dot-grid{width:20px;height:20px;fill:var(--ink-3);flex:none}
.dot-grid rect{transition:fill var(--dur) var(--ease)}
.brand:hover .dot-grid rect:nth-child(2){fill:var(--lime)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;transition:color var(--dur) var(--ease)}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width var(--dur) var(--ease)}
.nav-menu a:hover,.nav-menu a.is-active{color:var(--ink-3)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;width:200px;
  padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:width var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search:focus-within{width:260px;border-color:var(--lime);box-shadow:0 0 0 3px var(--lime-soft)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--t3);stroke-width:1.6;stroke-linecap:round;flex:none}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--t3)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;position:relative;flex:none;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ink-3);border-radius:2px;transition:transform var(--dur) var(--ease);
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span::before,.nav-toggle span::after{content:"";left:0;right:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 按钮 ============ */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);
}
.btn-primary:hover::after{animation:sheen 600ms var(--ease) 1}
@keyframes sheen{to{left:140%}}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(14,17,22,.6)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-3)}
.btn-outline:hover{border-color:var(--ink-3);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(0) scale(.99)}

/* ============ 页头带 ============ */
.page-head{padding:44px 0 46px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px}
.breadcrumb a{color:var(--t2);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--ink-3)}
.breadcrumb span[aria-current]{color:var(--t3)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--t3);margin-bottom:14px;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.02em;line-height:1.16;
  max-width:900px;
}
.page-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--t2);max-width:720px}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.head-meta span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--t2);
}

/* ============ 双栏文档布局 ============ */
.doc-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:56px;padding:64px 0 72px}
.doc-nav{position:sticky;top:96px;align-self:start}
.doc-nav-title{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--t3);margin-bottom:16px}
.doc-nav ol{border-left:1px solid var(--line)}
.doc-nav li{margin-bottom:2px}
.doc-nav a{
  position:relative;display:flex;align-items:baseline;gap:10px;
  padding:9px 0 9px 16px;font-size:14.5px;color:var(--t2);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.doc-nav a::before{
  content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--lime);transition:height var(--dur) var(--ease);
}
.doc-nav a span{font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--t3);font-weight:700}
.doc-nav a:hover{color:var(--ink-3);transform:translateX(2px)}
.doc-nav a.is-current{color:var(--ink-3);font-weight:700}
.doc-nav a.is-current::before{height:22px}
.doc-nav a.is-current span{color:var(--ink-3)}
.doc-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  height:42px;margin-top:22px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);color:var(--ink-3);font-size:14px;font-weight:700;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.doc-nav-cta:hover{border-color:var(--ink-3);transform:translateY(-1px)}

/* ============ 正文排版 ============ */
.doc-body{max-width:760px}
.doc-section{padding:0 0 40px;margin-bottom:40px;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.doc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.doc-section h2{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.01em;margin-bottom:18px;
}
.sec-num{
  font-variant-numeric:tabular-nums;font-size:14px;font-weight:800;letter-spacing:.06em;
  color:var(--ink-3);background:var(--lime);border-radius:var(--r-badge);
  padding:3px 9px;line-height:1.4;flex:none;
}
.doc-body p{margin-top:16px;font-size:17px;line-height:1.85;color:var(--t2)}
.doc-body p:first-of-type{margin-top:0}
.doc-body strong{color:var(--ink-3);font-weight:700}
.doc-body h3{font-size:18px;font-weight:700;margin-top:28px;margin-bottom:10px}
.rule-list{margin-top:18px}
.rule-list li{position:relative;padding-left:24px;margin-top:12px;font-size:16.5px;line-height:1.8;color:var(--t2)}
.rule-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--lime);border:1px solid rgba(14,17,22,.06);
}
.step-list{margin-top:20px;counter-reset:step}
.step-list li{
  counter-increment:step;position:relative;padding:14px 0 14px 48px;
  border-top:1px solid var(--line);font-size:16.5px;color:var(--t2);
}
.step-list li:last-child{border-bottom:1px solid var(--line)}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:15px;font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;color:var(--ink-3);
  background:var(--lime-soft);border-radius:6px;padding:2px 7px;
}
.quote{
  margin-top:22px;padding:18px 22px;border-left:3px solid var(--ink-3);
  background:#fff;border-radius:0 var(--r-img) var(--r-img) 0;
  font-size:15.5px;line-height:1.8;color:var(--t2);
}
.doc-figure{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:#fff}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.doc-figure figcaption{padding:10px 16px;font-size:13px;color:var(--t3);border-top:1px solid var(--line)}

/* ============ 对比卡 ============ */
.compare-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.sec-head{max-width:640px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:16px;color:var(--t2)}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5D8D3}
.compare-card header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.compare-card h3{font-size:20px;font-weight:700}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-badge);
  font-size:12px;font-weight:700;background:var(--bg);border:1px solid var(--line);color:var(--t2);
}
.tag-lime{background:var(--lime-soft);border-color:rgba(200,255,61,.6);color:#3C4A0F}
.compare-card>p{font-size:14.5px;color:var(--t3);margin-bottom:14px}
.spec-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:13px 0;border-top:1px solid var(--line)}
.spec-row dt{font-size:14px;color:var(--t3);flex:none}
.spec-row dd{font-size:14.5px;font-weight:600;color:var(--ink-3);text-align:right}

/* ============ 注意事项 ============ */
.notice-section{padding:72px 0 8px}
.notice-list{margin-top:8px;border-top:1px solid var(--line)}
.notice-item{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:transform var(--dur) var(--ease);
}
.notice-item:hover{transform:translateX(3px)}
.notice-num{
  font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.4;
  color:#C6CAC4;transition:color var(--dur) var(--ease);
}
.notice-item:hover .notice-num{color:var(--ink-3)}
.notice-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.notice-item p{font-size:15.5px;color:var(--t2);line-height:1.8}

/* ============ CTA ============ */
.cta-section{padding:0 0 88px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--ink);border-radius:20px;padding:40px 44px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(200,255,61,.18),transparent 70%);
}
.cta-band-text{max-width:620px;position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;letter-spacing:-.01em}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.7)}
.cta-band .btn{position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px;position:relative;overflow:hidden}
.site-footer::after{
  content:"";position:absolute;right:24px;bottom:64px;width:120px;height:120px;
  background-image:radial-gradient(rgba(255,255,255,.08) 1.5px,transparent 1.6px);
  background-size:36px 36px;pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{color:#fff}
.footer-brand .dot-grid{fill:rgba(255,255,255,.85)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:22px}
.qr-box{
  width:56px;height:56px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;flex:none;
}
.qr-box .dot-grid{width:26px;height:26px;fill:rgba(255,255,255,.5)}
.footer-qr span:last-child{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.5)}
.footer-col h4{
  font-size:12px;font-weight:600;letter-spacing:.12em;color:rgba(255,255,255,.45);
  margin-bottom:18px;
}
.footer-col li{margin-bottom:11px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-col span{color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding:22px 0 26px;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color var(--dur) var(--ease)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:120;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(14,17,22,.4);opacity:0;transition:opacity 240ms var(--ease)}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;left:0;bottom:0;width:min(86vw,340px);
  background:var(--bg);padding:24px 22px 32px;overflow-y:auto;
  transform:translateX(-100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round}
.drawer-menu{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-menu a{
  padding:15px 2px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;color:var(--t2);
}
.drawer-menu a.is-active{color:var(--ink-3);font-weight:700}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill)}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--t3);stroke-width:1.6}
.drawer-search input{width:100%;border:0;outline:none;background:transparent;font-size:14px}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--t2);
}
.drawer-chips a.is-current{background:var(--ink);border-color:var(--ink);color:#F2F4F1}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .row{padding-left:32px;padding-right:32px}
  .container{padding:0 32px}
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:block}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding:48px 0 56px}
  .doc-nav{position:static;top:auto}
  .doc-nav ol{display:flex;gap:8px;overflow-x:auto;border-left:0;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .doc-nav li{margin-bottom:0;flex:none}
  .doc-nav a{border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;padding:8px 14px;white-space:nowrap}
  .doc-nav a::before{display:none}
  .doc-nav a.is-current{background:var(--ink);border-color:var(--ink);color:#F2F4F1}
  .doc-nav a.is-current span{color:var(--lime)}
  .doc-nav-cta{width:auto;padding:0 26px;margin-top:18px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .compare-section,.notice-section{padding-left:0;padding-right:0}
}
@media (max-width:767px){
  .row{padding-left:20px;padding-right:20px}
  .container{padding:0 20px}
  .countdown-inner{min-height:40px}
  .cd-text{max-width:150px}
  .cd-days{display:none}
  .page-head{padding:34px 0 36px}
  .page-lead{font-size:16px}
  .doc-layout{padding:36px 0 44px}
  .doc-body p{font-size:16.5px}
  .rule-list li,.step-list li{font-size:16px}
  .compare-section{padding:52px 0}
  .compare{grid-template-columns:minmax(0,1fr);gap:18px}
  .notice-section{padding:52px 0 0}
  .notice-item{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:20px 0}
  .notice-num{font-size:20px}
  .cta-section{padding:0 0 64px}
  .cta-band{padding:30px 26px;border-radius:16px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:559px){
  .brand{font-size:16.5px}
  .dot-grid{width:18px;height:18px}
  .cd-clock{gap:4px}
  .cd-block{min-width:26px;height:26px;font-size:13px;border-radius:7px}
  .cd-label{font-size:11px}
  .cd-link{padding:0 12px;font-size:12.5px}
  .sec-num{font-size:12.5px;padding:2px 7px}
  .doc-section h2{gap:10px}
  .step-list li{padding-left:42px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}