/* roulang page: index */
:root{
  --primary:#B6F24A;
  --primary-hi:#C9F873;
  --primary-deep:#8FD62E;
  --accent:#FF6B35;
  --ink:#0F1214;
  --ink-2:#161A1D;
  --ink-3:#22272B;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --text:#1C2024;
  --muted:#6B7280;
  --line:#E3DFD6;
  --ok:#22C55E;
  --warn:#F59E0B;
  --err:#EF4444;
  --r-xs:8px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(16,18,20,.04), 0 10px 26px -16px rgba(16,18,20,.28);
  --shadow-2:0 22px 48px -26px rgba(16,18,20,.42);
  --container:1200px;
  --nav-h:72px;
  --mono:ui-monospace,"SFMono-Regular","SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -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,p,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:1400px){.container{max-width:1320px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  border:1px solid transparent;background:none;
  font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#0F1214}
.btn-primary:hover{background:var(--primary-hi);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(182,242,74,.95)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.72)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-lg{min-height:54px;padding:0 30px;font-size:16px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;height:var(--nav-h);gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px;color:var(--ink)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(142deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#0F1214;display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 14px -8px rgba(143,214,46,.9);
}
.brand-name{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:14px}
.nav-links a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:#3C4249;transition:color .2s ease}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:70;
  background:var(--paper);padding:20px 20px 28px;
  display:none;flex-direction:column;overflow-y:auto;
  border-top:1px solid var(--line);
}
.drawer.open{display:flex}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  padding:16px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer nav a::after{content:"›";color:var(--muted);font-size:20px;font-weight:400}
.drawer nav a.active{color:var(--accent)}
.drawer .btn{margin-top:auto;margin-bottom:8px}
.drawer-note{margin-top:18px;font-size:13px;color:var(--muted);line-height:1.8}

/* ============ 倒计时条 ============ */
.count-bar{background:var(--ink-2);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.count-inner{display:flex;align-items:center;gap:20px;min-height:58px;padding:10px 0;flex-wrap:wrap}
.count-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(182,242,74,.13);color:var(--primary);
  border:1px solid rgba(182,242,74,.36);border-radius:999px;
  padding:5px 13px;font-size:13px;font-weight:600;white-space:nowrap;
}
.count-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse 1.7s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.count-label{font-size:13.5px;color:rgba(255,255,255,.62)}
.count-nums{display:flex;align-items:baseline;gap:5px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.count-nums b{font-size:21px;font-weight:700;color:var(--primary);letter-spacing:.5px}
.count-nums i{font-style:normal;font-size:12px;color:rgba(255,255,255,.5);margin:0 4px 0 1px}
.count-nums .sep{color:rgba(255,255,255,.3);font-size:18px}
.count-cta{margin-left:auto}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:#0F1214}
.hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(15,18,20,.96) 0%,rgba(15,18,20,.86) 38%,rgba(15,18,20,.46) 72%,rgba(15,18,20,.3) 100%);
}
.hero-slash{
  position:absolute;right:-6%;top:-30%;width:52%;height:170%;
  background:linear-gradient(180deg,rgba(182,242,74,.1),rgba(255,107,53,.06));
  transform:skewX(-14deg);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:52px;align-items:center;min-height:580px;padding:72px 0 76px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(182,242,74,.4);background:rgba(182,242,74,.1);
  color:var(--primary);border-radius:999px;padding:6px 14px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero h1{
  margin-top:22px;color:#fff;
  font-size:clamp(30px,4.1vw,52px);
  font-weight:800;line-height:1.22;letter-spacing:-.6px;
}
.hero h1 em{font-style:normal;color:var(--primary);position:relative;white-space:nowrap}
.hero-sub{margin-top:20px;max-width:640px;color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.86}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:40px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats dt{font-size:13px;color:rgba(255,255,255,.52);margin-bottom:4px}
.hero-stats dd{margin:0;font-size:16px;font-weight:700;color:#fff;letter-spacing:.2px}
.hero-card{
  background:rgba(22,26,29,.92);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-xl);padding:28px;
  box-shadow:0 30px 60px -34px rgba(0,0,0,.8);
}
.hero-card h2{font-size:16px;font-weight:700;color:#fff;letter-spacing:.2px}
.hero-card p{margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.55)}
.hero-card ol{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.hero-card li{display:flex;gap:14px;align-items:flex-start;padding-top:14px;border-top:1px solid rgba(255,255,255,.09)}
.hero-card li:first-child{padding-top:0;border-top:0}
.hero-card .num{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;
  background:rgba(182,242,74,.14);color:var(--primary);
  display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700;
}
.hero-card .txt strong{display:block;color:#fff;font-size:15px;font-weight:600}
.hero-card .txt span{display:block;margin-top:3px;font-size:13px;color:rgba(255,255,255,.56);line-height:1.75}

/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--accent);
}
.section-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.section h2{margin-top:14px;font-size:clamp(26px,3vw,35px);font-weight:800;line-height:1.32;letter-spacing:-.5px;color:var(--ink)}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:700px}

/* ============ 活动卖点 ============ */
.points{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.point{
  grid-column:span 3;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.point:nth-child(1){grid-column:span 4}
.point:nth-child(2){grid-column:span 2}
.point:nth-child(3){grid-column:span 2}
.point:nth-child(4){grid-column:span 4}
.point:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.point-num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em}
.point h3{font-size:21px;font-weight:700;color:var(--ink);letter-spacing:-.2px;line-height:1.44}
.point p{color:var(--muted);font-size:15px;line-height:1.82}
.point-link{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.point-link::after{content:"→";color:var(--accent);transition:transform .22s ease}
.point:hover .point-link::after{transform:translateX(4px)}

/* ============ 亮点图墙 ============ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:172px;gap:18px}
.bento-item{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-3);display:block}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.68,.36,1)}
.bento-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,18,20,.06) 24%,rgba(15,18,20,.82) 100%)}
.bento-item:hover img{transform:scale(1.07)}
.bento-item:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.bento-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:7px;letter-spacing:.02em;
}
.bento-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff}
.bento-cap h3{font-size:17px;font-weight:700;letter-spacing:-.1px}
.bento-cap p{margin-top:4px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.7}
.b-a{grid-column:span 2;grid-row:span 2}
.b-b{grid-column:span 2}
.b-c{grid-column:span 1}
.b-d{grid-column:span 1}
.b-e{grid-column:span 2}
.b-f{grid-column:span 2}

/* ============ 报名/领取 CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.cta-band .band-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.png");background-size:cover;background-position:center;opacity:.2}
.cta-band .band-mask{position:absolute;inset:0;background:linear-gradient(96deg,rgba(15,18,20,.96) 0%,rgba(15,18,20,.82) 55%,rgba(15,18,20,.6) 100%)}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;padding:76px 0;align-items:center}
.cta-grid h2{font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1.34;letter-spacing:-.5px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.82)}
.cta-points li::before{
  content:"";flex:0 0 18px;width:18px;height:18px;margin-top:6px;border-radius:6px;
  background:var(--primary);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9.6 16.6 4.9 11.9l1.5-1.5 3.2 3.2 7.9-7.9 1.5 1.5z'/></svg>") center/14px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9.6 16.6 4.9 11.9l1.5-1.5 3.2 3.2 7.9-7.9 1.5 1.5z'/></svg>") center/14px no-repeat;
}
.cta-meta{margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.5)}
.form-card{background:#fff;color:var(--text);border-radius:var(--r-xl);padding:30px;box-shadow:var(--shadow-2)}
.form-card h3{font-size:19px;font-weight:700;color:var(--ink)}
.form-card .form-desc{margin-top:6px;font-size:13.5px;color:var(--muted)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#A7ADB6}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(182,242,74,.3)}
.field input.invalid{border-color:var(--err);box-shadow:0 0 0 3px rgba(239,68,68,.14)}
.field .hint{margin-top:7px;font-size:13px;color:var(--muted)}
.field .hint.error{color:var(--err)}
.form-card .btn-block{margin-top:22px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.75}
.form-feedback{
  margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);
  font-size:14px;display:none;line-height:1.7;
}
.form-feedback.ok{display:block;background:rgba(34,197,94,.1);color:#15803D;border:1px solid rgba(34,197,94,.32)}
.form-feedback.bad{display:block;background:rgba(239,68,68,.08);color:#B91C1C;border:1px solid rgba(239,68,68,.3)}

/* ============ 最新信息列表 ============ */
.news-list{display:flex;flex-direction:column;gap:8px}
.news-item{
  display:grid;grid-template-columns:146px minmax(0,1fr);gap:28px;
  padding:24px;border-radius:var(--r-md);border:1px solid transparent;
  transition:background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.news-item:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow-1);transform:translateX(3px)}
.news-aside{border-left:2px solid var(--primary);padding-left:14px;display:flex;flex-direction:column;gap:6px}
.news-date{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.news-cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--accent);
  background:rgba(255,107,53,.1);border-radius:6px;padding:2px 8px;
}
.news-title{font-size:19px;font-weight:700;color:var(--ink);line-height:1.5;letter-spacing:-.2px}
.news-summary{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--ink)}
.news-more::after{content:"→";color:var(--accent);transition:transform .22s ease}
.news-item:hover .news-more::after{transform:translateX(4px)}
.news-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:#fff;color:var(--muted);font-size:15px;text-align:center;
}
.news-empty .empty-mark{
  width:48px;height:48px;border-radius:14px;background:var(--paper);
  border:1px solid var(--line);display:grid;place-items:center;
  font-family:var(--mono);font-size:18px;color:#B9BEC6;
}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:960px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-idx{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);flex:0 0 auto}
.faq-icon{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:#F1EFE8;position:relative;transition:background-color .25s ease,transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:transform .25s ease,opacity .25s ease}
.faq-item[open] .faq-icon{background:var(--primary);transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-body{padding:0 22px 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.86;max-width:820px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;letter-spacing:-.2px}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.footer-tags span{
  font-size:12px;color:rgba(255,255,255,.66);border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:3px 11px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.11);
  padding:22px 0 26px;display:flex;gap:16px;justify-content:space-between;
  flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media(max-width:1279px){
  .container{max-width:1080px}
  .hero-inner{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;min-height:520px}
  .bento{grid-auto-rows:158px}
}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:34px;min-height:auto;padding:56px 0 60px}
  .hero h1{font-size:clamp(28px,5.4vw,42px)}
  .hero-stats{gap:28px}
  .points{grid-template-columns:repeat(2,1fr)}
  .point,.point:nth-child(1),.point:nth-child(2),.point:nth-child(3),.point:nth-child(4){grid-column:span 1}
  .cta-grid{grid-template-columns:1fr;gap:34px;padding:56px 0}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .b-a{grid-column:span 2;grid-row:span 2}
  .b-b,.b-e,.b-f{grid-column:span 2}
  .b-c,.b-d{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-desc{max-width:none}
  .section{padding:64px 0}
}
@media(max-width:767px){
  body{font-size:15.5px}
  .section{padding:50px 0}
  .section-head{margin-bottom:30px}
  .count-inner{gap:12px;padding:12px 0}
  .count-cta{margin-left:0;width:100%}
  .count-cta .btn{width:100%}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px;margin-top:30px}
  .hero-stats > div{flex:1 1 40%}
  .news-item{grid-template-columns:1fr;gap:12px;padding:20px 16px}
  .news-aside{border-left:none;padding-left:0;flex-direction:row;align-items:center;gap:12px}
  .news-title{font-size:17.5px}
  .cta-points li{font-size:15px}
  .form-card{padding:22px}
  .faq-item summary{font-size:15.5px;padding:17px 16px;gap:10px}
  .faq-body{padding:0 16px 20px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;flex-basis:30px;font-size:14px}
  .points{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr;grid-auto-rows:180px}
  .b-a,.b-b,.b-c,.b-d,.b-e,.b-f{grid-column:span 1;grid-row:span 1}
  .b-a{grid-row:span 2}
  .point{padding:24px 20px}
  .hero-card{padding:22px}
  .btn{padding:0 20px}
  .btn-lg{min-height:50px;font-size:15px}
  .section h2{font-size:24px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --lime:#B6F24A;
  --lime-bright:#C9FF66;
  --orange:#FF6B35;
  --ink-900:#0F1214;
  --ink-800:#161A1D;
  --ink-700:#22272B;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#1C2024;
  --muted:#6B7280;
  --line:#E3DFD6;
  --line-dark:rgba(255,255,255,.12);
  --ok:#22C55E;
  --warn:#F59E0B;
  --err:#EF4444;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:20px;
  --shadow-sm:0 1px 2px rgba(15,18,20,.05),0 6px 18px rgba(15,18,20,.05);
  --shadow-md:0 10px 30px rgba(15,18,20,.08);
  --sp-section:80px;
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink-900)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.06em;
  color:var(--muted);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink-900);border:1px solid var(--lime)}
.btn-primary:hover{background:var(--lime-bright);border-color:var(--lime-bright);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#A6DF3C}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--white);border-color:#CFC9BC;transform:translateY(-1px)}
.btn-ghost-dark{background:transparent;color:#F2F4F5;border:1px solid rgba(255,255,255,.28)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{height:72px;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink-900)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink-900);color:var(--lime);
  display:grid;place-items:center;font-size:16px;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:#333A40;
  padding:6px 0;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--orange);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-900);font-weight:700}
.nav-links a.active::after{transform:scaleX(1);background:var(--lime)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--white);
  padding:16px 24px 22px;
}
.mobile-drawer a{
  display:block;padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;
}
.mobile-drawer a.active{color:var(--ink-900);font-weight:700}
.mobile-drawer .btn{margin-top:18px}
.mobile-drawer.open{display:block}

/* ---------- 分类 Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  color:#F2F4F5;
  border-bottom:1px solid var(--ink-700);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(15,18,20,.96) 0%,rgba(15,18,20,.86) 42%,rgba(15,18,20,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 68px;min-height:520px;display:flex;flex-direction:column;justify-content:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,244,245,.6);margin-bottom:22px}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{opacity:.5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(182,242,74,.14);border:1px solid rgba(182,242,74,.4);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;width:fit-content;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.24;font-weight:800;letter-spacing:-.01em;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{
  margin-top:20px;max-width:44em;
  font-size:17px;line-height:1.9;color:rgba(242,244,245,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:44px;max-width:640px;
  border:1px solid var(--line-dark);border-radius:var(--r-md);
  overflow:hidden;background:var(--line-dark);
}
.hero-stats div{background:rgba(22,26,29,.85);padding:18px 20px}
.hero-stats b{
  display:block;font-size:26px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stats span{font-size:13px;color:rgba(242,244,245,.62)}

/* ---------- 正文布局 ---------- */
.page-body{padding:var(--sp-section) 0}
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:56px;align-items:start}
.side-nav{position:sticky;top:96px}
.side-nav h2{
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--muted);margin-bottom:14px;
}
.side-nav ol{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);padding-left:0}
.side-nav a{
  display:block;padding:9px 14px;font-size:14.5px;color:#3A4147;
  border-left:2px solid transparent;margin-left:-2px;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.side-nav a:hover{color:var(--ink-900);border-left-color:var(--orange)}
.side-nav a.is-active{color:var(--ink-900);font-weight:700;border-left-color:var(--lime)}
.side-card{
  margin-top:28px;padding:20px;border-radius:var(--r-md);
  background:var(--ink-900);color:rgba(242,244,245,.8);
  border:1px solid var(--ink-700);
}
.side-card strong{display:block;color:#fff;font-size:15px;margin-bottom:8px}
.side-card p{font-size:13.5px;line-height:1.8}
.side-card .btn{margin-top:14px}

.section{margin-bottom:72px}
.section-head{margin-bottom:32px;max-width:46em}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.35;
  letter-spacing:-.005em;margin-top:10px;
}
.section-head p{margin-top:12px;color:#4B5359;font-size:15.5px}

/* ---------- 卖点长卡 ---------- */
.feature-list{display:flex;flex-direction:column;gap:20px}
.feature-card{
  display:grid;grid-template-columns:64px minmax(0,1fr) 168px;
  gap:24px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.feature-card:nth-child(even){grid-template-columns:64px minmax(0,1fr) 128px}
.feature-card:hover{border-color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.feature-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--paper);border:1px solid var(--line);
  font-size:18px;font-weight:800;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:15px;color:#4B5359;line-height:1.85}
.feature-media{
  height:104px;border-radius:var(--r-md);overflow:hidden;background:var(--ink-800);
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:14px;font-weight:600;color:var(--ink-900);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
  transition:color .18s ease;
}
.feature-link:hover{color:var(--orange)}

/* ---------- Bento 图墙 ---------- */
.bento{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  grid-auto-rows:172px;gap:18px;
}
.bento-item{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink-800);border:1px solid var(--line);
  display:block;
}
.bento-item.large{grid-column:span 2;grid-row:span 2}
.bento-item.medium{grid-column:span 1;grid-row:span 1}
.bento-item.small{grid-column:span 1;grid-row:span 1}
.bento-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.bento-item:hover img{transform:scale(1.05)}
.bento-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,18,20,.05) 30%,rgba(15,18,20,.82) 100%);
}
.bento-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:4px 12px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  letter-spacing:.03em;
}
.bento-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;
}
.bento-caption h3{font-size:17px;font-weight:700;line-height:1.4}
.bento-caption p{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}
.bento-item.large .bento-caption h3{font-size:22px}

/* ---------- 规则摘要 ---------- */
.rules-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--shadow-sm);
}
.rules-list{display:grid;gap:0}
.rules-list li{
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:20px;padding:20px 0;border-bottom:1px dashed var(--line);
}
.rules-list li:last-child{border-bottom:0;padding-bottom:0}
.rules-list li:first-child{padding-top:4px}
.rules-list b{
  font-size:14px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1.9;
}
.rules-list h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.rules-list p{font-size:14.5px;color:#4B5359}
.notice{
  margin-top:26px;display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-md);
  background:#FDF7EC;border:1px solid #F2E2C6;
}
.notice strong{color:#8A5B12;font-size:14px;display:block;margin-bottom:2px}
.notice p{font-size:13.5px;color:#7A5F2E}

/* ---------- 领取 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--ink-900);color:#F2F4F5;
  border:1px solid var(--ink-700);
}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.24;
}
.cta-band .cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,18,20,.95),rgba(15,18,20,.7));
}
.cta-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) 388px;gap:48px;
  padding:44px;
}
.cta-grid h2{font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.35}
.cta-grid > div > p{margin-top:14px;color:rgba(242,244,245,.75);font-size:15px;max-width:34em}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(242,244,245,.85);
}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:2px;
  background:var(--lime);margin-top:9px;
}
.form-card{
  background:var(--white);border-radius:var(--r-lg);padding:26px;
  box-shadow:0 18px 44px rgba(0,0,0,.28);
}
.form-card h3{font-size:18px;font-weight:800;color:var(--ink-900)}
.form-card > p{font-size:13.5px;color:var(--muted);margin-top:6px}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#3A4147;margin-bottom:7px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FCFBF8;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A9AEB4}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 3px rgba(182,242,74,.28);
}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.field .err-msg{font-size:12.5px;color:var(--err);margin-top:6px;display:none}
.field.has-error input{border-color:var(--err)}
.field.has-error .err-msg{display:block}
.form-card .btn{margin-top:20px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.form-alert{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);
  background:#ECFDF3;border:1px solid #BBE9CD;color:#15703C;font-size:13.5px;
}
.form-alert.show{display:block}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;
  transition:background-color .18s ease,color .18s ease;
}
.faq-q:hover{background:#FBFAF6}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--line);display:grid;place-items:center;
  position:relative;transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-900);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:#4B5359;line-height:1.9;max-width:64em}
.faq-item.open .faq-q{background:#FBFAF6}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(242,244,245,.72);padding:64px 0 28px;border-top:1px solid var(--ink-700)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink-900)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;max-width:30em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  border:1px solid rgba(255,255,255,.18);color:rgba(242,244,245,.8);
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(242,244,245,.72);transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:var(--lime);padding-left:3px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(242,244,245,.55);
}
.footer-bottom a{color:var(--lime)}
.footer-bottom a:hover{text-decoration:underline}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--container:1140px}
  .cta-grid{grid-template-columns:minmax(0,1fr) 340px;gap:36px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .nav-links,.header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-sm{padding:10px 16px;font-size:13.5px}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-nav{position:static}
  .side-nav ol{flex-direction:row;flex-wrap:wrap;border-left:0;gap:8px}
  .side-nav a{
    border:1px solid var(--line);border-radius:999px;
    padding:8px 14px;font-size:13.5px;margin-left:0;background:var(--white);
  }
  .side-nav a.is-active{border-color:var(--lime);background:var(--lime);color:var(--ink-900)}
  .side-card{display:none}
  .feature-card,.feature-card:nth-child(even){grid-template-columns:56px minmax(0,1fr);gap:18px}
  .feature-media{grid-column:1 / -1;height:150px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:158px}
  .bento-item.large{grid-column:span 2;grid-row:span 1}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sp-section:52px}
  .container{padding:0 20px}
  .header-inner{gap:16px}
  .brand{font-size:16.5px}
  .hero-inner{padding:36px 0 48px;min-height:480px}
  .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr;margin-top:32px}
  .hero-actions .btn{flex:1 1 100%}
  .bento{grid-template-columns:1fr;grid-auto-rows:190px}
  .bento-item.large{grid-column:span 1;grid-row:span 1}
  .bento-item.large .bento-caption h3{font-size:19px}
  .rules-panel{padding:24px 20px}
  .rules-list li{grid-template-columns:44px minmax(0,1fr);gap:14px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px}
  .cta-grid{padding:26px 20px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .hero h1{font-size:28px}
  .section-head h2{font-size:22px}
  .feature-card h3{font-size:17px}
  .feature-media{height:130px}
  .btn{padding:12px 20px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --lime:#B6F24A;
  --lime-bright:#C7F86C;
  --lime-deep:#9FD933;
  --orange:#FF6B35;
  --ink-900:#0F1214;
  --ink-800:#161A1D;
  --ink-700:#22272B;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --text:#1C2024;
  --muted:#6B7280;
  --border:#E3DFD6;
  --success:#22C55E;
  --warning:#F59E0B;
  --danger:#EF4444;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,18,20,.04), 0 12px 28px -20px rgba(15,18,20,.35);
  --shadow-md:0 24px 48px -28px rgba(15,18,20,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lime);color:#10160A;box-shadow:0 10px 22px -14px rgba(120,190,20,.95);}
.btn-primary:hover{background:var(--lime-bright);transform:translateY(-1px);}
.btn-primary:active{background:var(--lime-deep);transform:translateY(0);}
.btn-ghost{background:transparent;border-color:#CFCABE;color:var(--ink-900);}
.btn-ghost:hover{background:#FFFFFF;border-color:var(--ink-900);}
.btn-ghost:active{background:#F1EEE6;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.92);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink-900);white-space:nowrap;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink-900);color:var(--lime);
  display:grid;place-items:center;font-size:14px;font-weight:800;flex:none;
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:#4A5158;transition:color .2s ease;}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--lime);border-radius:2px;transition:width .25s ease;
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--ink-900);font-weight:600;}
.nav-links a.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border-radius:12px;
  border:1px solid var(--border);background:#FFFFFF;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{display:none;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:40px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:26px;font-size:13.5px;color:var(--muted);}
.breadcrumb a{color:#4A5158;transition:color .2s ease;}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb .sep{color:#C6C0B4;}
.breadcrumb .current{max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);}
.article-head{max-width:900px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  background:rgba(182,242,74,.3);border:1px solid rgba(140,205,40,.55);
  color:#31510A;font-size:12.5px;font-weight:600;letter-spacing:.01em;
}
.article-title{
  margin:18px 0 20px;
  font-size:clamp(28px,4vw,44px);
  font-weight:800;line-height:1.26;letter-spacing:-0.02em;color:var(--ink-900);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D3CDC1;display:inline-block;}
.article-lead{
  margin-top:24px;max-width:760px;padding-left:18px;
  border-left:3px solid var(--border);
  font-size:16.5px;line-height:1.85;color:#4B5259;
}
.article-cover{
  margin:34px 0 0;max-width:1000px;aspect-ratio:16/7;overflow:hidden;
  border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);background:#E9E5DA;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 正文阅读区 ---------- */
.article-main{padding:44px 0 12px;}
.article-content{
  max-width:900px;margin:0 auto;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:44px 48px 52px;
  font-size:16.5px;line-height:1.9;color:#262B30;
  overflow-wrap:break-word;word-break:break-word;
}
.article-content h2{
  position:relative;margin:46px 0 18px;padding-left:16px;
  font-size:27px;font-weight:700;line-height:1.42;color:var(--ink-900);
  scroll-margin-top:96px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:.92em;
  border-radius:2px;background:var(--lime);
}
.article-content h3{margin:32px 0 12px;font-size:20px;font-weight:700;color:var(--ink-900);}
.article-content h4{margin:26px 0 10px;font-size:17px;font-weight:700;color:var(--ink-900);}
.article-content p{margin:0 0 18px;}
.article-content > *:first-child{margin-top:0;}
.article-content a{color:#B4470F;border-bottom:1px solid rgba(255,107,53,.45);transition:color .2s ease,border-color .2s ease;}
.article-content a:hover{color:var(--orange);border-color:var(--orange);}
.article-content strong{color:var(--ink-900);font-weight:700;}
.article-content ul,.article-content ol{margin:0 0 20px;padding:0;}
.article-content li{position:relative;margin-bottom:10px;padding-left:22px;}
.article-content li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--lime);
}
.article-content ol{counter-reset:li;}
.article-content ol li::before{
  content:counter(li);counter-increment:li;
  left:0;top:.3em;width:auto;height:auto;background:none;
  font-size:13px;font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums;
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;
  background:#FBFAF5;border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;color:#3D444A;font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:14px;margin:24px auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--border);text-align:left;}
.article-content th{background:#FAF9F4;font-weight:700;color:var(--ink-900);}
.article-content hr{margin:34px 0;border:0;border-top:1px solid var(--border);}

.empty-state{padding:34px 8px 10px;text-align:center;}
.empty-state .empty-icon{
  display:grid;place-items:center;width:52px;height:52px;margin:0 auto 18px;
  border-radius:16px;background:rgba(255,107,53,.12);color:var(--orange);
  font-size:22px;font-weight:800;
}
.empty-state h2{margin:0 0 12px;padding-left:0;font-size:22px;}
.empty-state h2::before{display:none;}
.empty-state p{max-width:52ch;margin:0 auto 24px;font-size:15.5px;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.related{padding:60px 0 0;}
.section-head{display:flex;flex-direction:column;gap:8px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--ink-900);}
.section-head p{font-size:15px;color:var(--muted);max-width:66ch;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--shadow-md);}
.rel-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#EDEAE1;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{display:flex;flex-direction:column;gap:9px;flex:1;padding:18px 20px 22px;}
.rel-tag{
  align-self:flex-start;padding:3px 11px;border-radius:999px;
  background:rgba(255,107,53,.14);color:#96420D;font-size:12px;font-weight:600;
}
.rel-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink-900);}
.rel-desc{font-size:14px;line-height:1.75;color:var(--muted);}
.rel-more{margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:600;color:#B4470F;}

/* ---------- 底部行动区 ---------- */
.article-cta{padding:60px 0 76px;}
.cta-panel{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px 52px;border-radius:var(--r-lg);
  background:var(--ink-900);color:#FFFFFF;
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,242,74,.22),transparent 68%);pointer-events:none;
}
.cta-panel h2{margin-bottom:10px;font-size:clamp(22px,2.6vw,30px);color:#FFFFFF;}
.cta-panel p{max-width:58ch;font-size:15px;line-height:1.85;color:#A9B0B6;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;flex:none;}
.cta-panel .btn-ghost{border-color:#3A4147;color:#E7EAEC;}
.cta-panel .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--lime);color:var(--lime);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;padding:64px 0 28px;background:var(--ink-900);color:#B7BEC4;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:17px;font-weight:800;color:#FFFFFF;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink-900);}
.footer-desc{max-width:38ch;font-size:14px;line-height:1.85;color:#8F979E;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{padding:4px 12px;border:1px solid #2C3237;border-radius:999px;font-size:12.5px;color:#9AA2A9;}
.footer-col h4{margin-bottom:16px;font-size:14px;color:#FFFFFF;letter-spacing:.02em;}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#9AA2A9;transition:color .2s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid #23282C;
  font-size:13px;color:#7C848B;
}
.footer-bottom a{color:#A9B0B6;border-bottom:1px solid #3A4147;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .cta-panel{flex-direction:column;align-items:flex-start;padding:40px 36px;}
}
@media (max-width:1024px){
  .nav-links,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{
    position:fixed;inset:72px 0 0 0;z-index:55;
    padding:20px 24px 32px;background:var(--paper);
    flex-direction:column;justify-content:space-between;overflow-y:auto;
  }
  .mobile-drawer.is-open{display:flex;}
  .drawer-nav a{display:block;padding:16px 4px;border-bottom:1px solid var(--border);font-size:18px;font-weight:600;color:var(--ink-900);}
  .drawer-nav a:hover{color:#B4470F;}
  .drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .article-hero{padding:28px 0 0;}
  .article-title{font-size:clamp(26px,6.4vw,32px);}
  .article-lead{font-size:15.5px;padding-left:14px;}
  .article-cover{aspect-ratio:16/9;border-radius:16px;}
  .article-main{padding:32px 0 8px;}
  .article-content{padding:28px 22px 34px;border-radius:16px;font-size:16px;line-height:1.88;}
  .article-content h2{margin:34px 0 14px;padding-left:14px;font-size:22px;}
  .article-content h3{font-size:18px;}
  .article-content blockquote{padding:16px 18px;}
  .related{padding:44px 0 0;}
  .cta-panel{padding:32px 24px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-inner{gap:12px;}
  .brand{font-size:16px;}
  .article-meta{gap:8px;font-size:13px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .empty-state h2{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --primary:#B6F24A;
  --primary-deep:#9BDB2B;
  --accent:#FF6B35;
  --ink:#1C2024;
  --ink-soft:#6B7280;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --dark:#0F1214;
  --dark-2:#161A1D;
  --dark-3:#22272B;
  --success:#22C55E;
  --warning:#F59E0B;
  --error:#EF4444;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(19,23,26,.06);
  --shadow:0 14px 34px rgba(19,23,26,.10);
  --space:24px;
  --container:1240px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(15,18,20,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.35);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--primary);color:var(--dark);
  font-weight:800;font-size:17px;line-height:1;
  box-shadow:0 6px 16px rgba(182,242,74,.28);
}
.logo-text{color:#fff;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{
  position:relative;color:rgba(255,255,255,.74);
  font-size:15px;font-weight:500;padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#10130F;box-shadow:0 8px 20px rgba(182,242,74,.22);}
.btn-primary:hover{background:#C6FA63;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.5);transform:translateY(-1px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.24);}
.btn-accent:hover{background:#FF8155;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{background:#fff;border-color:var(--ink);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:54px;padding:0 28px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);color:#fff;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--dark);
  display:flex;flex-direction:column;padding:22px 24px 28px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .32s ease,opacity .32s ease,visibility .32s;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.24);border-radius:10px;color:#fff;font-size:20px;line-height:1;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  color:#fff;font-size:18px;font-weight:600;padding:15px 4px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer-links a.active{color:var(--primary);}
.drawer-cta{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  min-height:560px;display:flex;align-items:center;
  background:var(--dark);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,11,13,.94) 0%,rgba(12,15,17,.80) 44%,rgba(15,18,20,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:78px 0 72px;width:100%;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);border:1px solid rgba(182,242,74,.35);
  background:rgba(182,242,74,.08);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);}
.hero-title{
  margin-top:20px;color:#fff;font-weight:800;
  font-size:clamp(28px,4.2vw,52px);line-height:1.24;letter-spacing:-.01em;
}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:18px;max-width:640px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.85;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-facts{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;}
.fact{
  min-width:132px;padding:14px 18px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
}
.fact b{display:block;color:var(--primary);font-size:22px;font-weight:800;line-height:1.2;}
.fact span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-side{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(4px);
}
.hero-side h2{color:#fff;font-size:20px;font-weight:700;}
.hero-side p{margin-top:10px;color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;}
.hero-side ol{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.hero-side li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:14px;}
.side-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:rgba(182,242,74,.16);color:var(--primary);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-alt{background:#fff;}
.section-dark{background:var(--dark-2);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.32;letter-spacing:-.01em;}
.section-desc{margin-top:14px;color:var(--ink-soft);font-size:15px;}
.section-dark .section-desc{color:rgba(255,255,255,.66);}
.divider-line{height:1px;background:var(--line);border:0;margin:0;}

/* 步骤时间轴 */
.steps{position:relative;display:flex;flex-direction:column;gap:22px;}
.steps::before{
  content:"";position:absolute;left:29px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(182,242,74,.12));
}
.step{
  position:relative;display:grid;grid-template-columns:60px minmax(0,1fr);
  gap:22px;align-items:flex-start;
}
.step-num{
  position:relative;z-index:2;width:60px;height:60px;border-radius:18px;
  background:var(--dark);color:var(--primary);
  display:grid;place-items:center;font-weight:800;font-size:19px;
  border:1px solid rgba(182,242,74,.34);
}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.step-title{font-size:20px;font-weight:700;}
.step-text{margin-top:10px;color:var(--ink-soft);font-size:15px;}
.step-tip{
  margin-top:16px;display:flex;gap:10px;align-items:flex-start;
  background:var(--paper);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;padding:12px 16px;font-size:14px;color:#41474d;
}
.step-tip b{color:var(--accent);font-weight:700;flex:0 0 auto;}
.step-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:#41474d;
  background:var(--paper);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;
}
.chip-accent{color:#B54015;background:rgba(255,107,53,.10);border-color:rgba(255,107,53,.28);}
.chip-primary{color:#3F5A0C;background:rgba(182,242,74,.24);border-color:rgba(182,242,74,.55);}

/* 终端兼容卡 */
.compat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.compat-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.compat-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow);}
.compat-card img{width:100%;height:172px;object-fit:cover;}
.compat-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.compat-body h3{font-size:20px;font-weight:700;}
.compat-body p{margin-top:10px;color:var(--ink-soft);font-size:14px;}
.compat-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.compat-list li{position:relative;padding-left:20px;font-size:14px;color:#41474d;}
.compat-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;background:var(--primary);
}

/* 规则摘要 */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-item{
  display:flex;gap:16px;padding:22px 24px;border-radius:16px;
  background:var(--card);border:1px solid var(--line);
  transition:border-color .22s ease,background .22s ease;
}
.check-item:hover{border-color:var(--primary);background:#FCFDF7;}
.check-idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;background:var(--paper);
  border:1px solid var(--line);font-weight:700;font-size:14px;color:var(--ink);
}
.check-item h3{font-size:17px;font-weight:700;}
.check-item p{margin-top:8px;color:var(--ink-soft);font-size:14px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#CFC8B8;}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--paper);border:1px solid var(--line);
  display:grid;place-items:center;transition:transform .28s ease,background .22s ease;
}
.faq-icon::before{content:"";width:11px;height:2px;background:var(--ink);border-radius:2px;}
.faq-icon::after{content:"";position:absolute;width:2px;height:11px;background:var(--ink);border-radius:2px;}
.faq-icon{position:relative;}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--primary);border-color:var(--primary);}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 24px 22px;color:var(--ink-soft);font-size:15px;line-height:1.85;}

/* CTA */
.cta-block{
  position:relative;overflow:hidden;background:var(--dark);
  border-radius:var(--radius-lg);
}
.cta-block::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(182,242,74,.20),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;padding:52px 48px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.34;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.84);font-size:14px;}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:3px;background:var(--primary);
}
.cta-panel{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:26px;
}
.cta-panel h3{color:#fff;font-size:17px;font-weight:700;}
.cta-panel p{margin-top:8px;color:rgba(255,255,255,.62);font-size:13px;}
.cta-actions{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5);}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:380px;}
.footer-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:13px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.68);
}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--primary);transform:translateX(3px);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1120px;}
  .hero-grid{gap:38px;}
}
@media (max-width:1023px){
  .nav-links,.header-actions .btn-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .hero{min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-inner{padding:60px 0 56px;}
  .compat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .header-inner{height:66px;gap:14px;}
  .logo-text{font-size:16px;}
  .hero-title{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:10px;}
  .fact{flex:1 1 40%;min-width:0;}
  .steps::before{left:22px;}
  .step{grid-template-columns:46px minmax(0,1fr);gap:16px;}
  .step-num{width:46px;height:46px;border-radius:14px;font-size:16px;}
  .step-card{padding:20px 18px;}
  .compat-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-inner{padding:32px 22px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-desc{max-width:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  body{font-size:15px;}
  .section-title{font-size:23px;}
  .hero-sub{font-size:15px;}
  .fact b{font-size:19px;}
  .footer-grid{grid-template-columns:1fr;}
  .chip{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}