/* roulang page: index */
:root{
  --bg-deep:#0E0A1E;
  --bg-mid:#1A1130;
  --primary:#7B5CF0;
  --primary-soft:rgba(123,92,240,.35);
  --primary-fill:rgba(123,92,240,.12);
  --secondary:#35E0C8;
  --accent:#F0B54A;
  --urgent:#FF5A5F;
  --ink:#F7F4FF;
  --ink-deep:#211A38;
  --text:#E8E4F5;
  --muted:#A79FC4;
  --card:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --r-card:16px;
  --r-img:18px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 3px rgba(123,92,240,.35);
  --container:1240px;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-mid) 55%,#130C24 100%);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 18%,rgba(255,255,255,.75),transparent 60%),
    radial-gradient(1.4px 1.4px at 78% 12%,rgba(53,224,200,.7),transparent 60%),
    radial-gradient(1.6px 1.6px at 62% 68%,rgba(240,181,74,.6),transparent 60%),
    radial-gradient(1.2px 1.2px at 32% 82%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.3px 1.3px at 88% 54%,rgba(123,92,240,.75),transparent 60%);
  animation:starBreath 6s ease-in-out infinite;
  opacity:.85;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:linear-gradient(115deg,transparent 42%,rgba(123,92,240,.10) 50%,transparent 58%);
}
@keyframes starBreath{0%,100%{opacity:.55}50%{opacity:.95}}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:none;box-shadow:var(--shadow-glow);border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:2}
.section{padding:110px 0;position:relative;z-index:2}
.section-tight{padding:80px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--secondary);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--secondary),transparent)}
.sec-title{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.4px}
.sec-lead{font-size:17px;color:var(--muted);max-width:38em;margin-top:14px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:52px}
.text-link{color:var(--secondary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color var(--ease),transform var(--ease)}
.text-link:hover{color:#5ff0da;transform:translateX(3px)}

/* ============ 倒计时条 ============ */
.countdown{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,rgba(255,90,95,.22),rgba(240,181,74,.16) 45%,rgba(123,92,240,.22));
  border-bottom:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(10px);
}
.countdown-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:44px;display:flex;align-items:center;gap:20px;justify-content:space-between;
}
.cd-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:#FFD9A6;white-space:nowrap;
}
.cd-dot{width:7px;height:7px;border-radius:50%;background:var(--urgent);box-shadow:0 0 0 4px rgba(255,90,95,.20);animation:cdPulse 1.6s infinite}
@keyframes cdPulse{0%,100%{opacity:1}50%{opacity:.35}}
.cd-timer{display:flex;align-items:center;gap:8px}
.cd-unit{display:flex;align-items:baseline;gap:3px;background:rgba(10,6,22,.45);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:3px 9px;min-width:60px;justify-content:center}
.cd-num{font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.cd-label{font-size:11px;color:var(--muted)}
.cd-link{font-size:13px;font-weight:700;color:#FFE7C2;border-bottom:1px dashed rgba(255,231,194,.5);white-space:nowrap;transition:color var(--ease)}
.cd-link:hover{color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:44px;z-index:55;
  background:rgba(14,10,30,.55);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{background:rgba(18,12,36,.92);border-bottom-color:var(--line);backdrop-filter:blur(14px)}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary),#3A2A86);
  display:grid;place-items:center;box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--muted);position:relative;padding:6px 0;transition:color var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line);background:var(--card);color:var(--muted);transition:border-color var(--ease),color var(--ease),background var(--ease)
}
.icon-btn:hover{color:#fff;border-color:var(--primary-soft);background:rgba(123,92,240,.14)}
.icon-btn svg{width:18px;height:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  padding:12px 22px;min-height:44px;transition:background var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),#5C3FD6);color:#fff;box-shadow:0 10px 26px rgba(123,92,240,.30)}
.btn-primary:hover{background:linear-gradient(135deg,#8C6FF5,#6A4BE0);transform:translateY(-1px);box-shadow:0 14px 30px rgba(123,92,240,.42)}
.btn-primary .arrow{transition:transform var(--ease)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{border:1.5px solid var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--primary);background:rgba(123,92,240,.10);transform:translateY(-1px)}
.btn-pill{border-radius:var(--r-pill);padding:10px 20px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.btn-block{width:100%}
.hamburger{display:none}
.search-panel{
  position:fixed;inset:0;z-index:90;background:rgba(10,6,22,.82);backdrop-filter:blur(6px);
  display:none;align-items:flex-start;justify-content:center;padding-top:120px;
}
.search-panel.open{display:flex}
.search-box{width:min(640px,90vw);display:flex;gap:10px;background:rgba(26,17,48,.96);border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:10px}
.search-box input{flex:1;background:transparent;border:none;padding:12px;font-size:16px;color:#fff}
.search-box input::placeholder{color:var(--muted)}
.search-box input:focus-visible{box-shadow:none;outline:none}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 96px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(100deg,rgba(14,10,30,.96) 22%,rgba(14,10,30,.72) 52%,rgba(26,17,48,.55)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.95;
}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;position:relative;z-index:2}
.badge{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;padding:7px 15px;border:1px solid rgba(53,224,200,.45);background:rgba(53,224,200,.06);color:#8DF3E4;
}
.badge-gold{border-color:rgba(240,181,74,.45);background:rgba(240,181,74,.08);color:#F6C979}
.badge-mute{border-color:var(--line-strong);background:rgba(255,255,255,.05);color:var(--muted)}
.hero h1{
  font-size:56px;line-height:1.15;font-weight:800;letter-spacing:-.5px;margin:22px 0 18px;color:#fff;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--secondary),var(--primary) 60%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:#CFC7E6;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hero-stat strong{display:block;font-size:26px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual-main{
  border-radius:22px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.5);aspect-ratio:4/3;
}
.hero-visual-main img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;background:rgba(22,15,42,.92);border:1px solid var(--line-strong);
  border-radius:14px;padding:14px 18px;backdrop-filter:blur(10px);box-shadow:var(--shadow-card);
}
.float-card.fc-1{left:-26px;bottom:36px}
.float-card.fc-2{right:-18px;top:34px}
.float-card b{display:block;font-size:20px;font-weight:800;color:var(--secondary);font-variant-numeric:tabular-nums}
.float-card.fc-1 b{color:var(--accent)}
.float-card small{font-size:12px;color:var(--muted)}

/* ============ 卖点交替行 ============ */
.point-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0;position:relative}
.point-row+.point-row{border-top:1px solid;border-image:linear-gradient(90deg,transparent,rgba(123,92,240,.45),transparent) 1}
.point-row.reverse .point-text{order:2}
.point-row.reverse .point-media{order:1}
.point-index{
  font-size:48px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(240,181,74,.75);letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
}
.point-text h3{font-size:24px;font-weight:800;color:#fff;margin:16px 0 12px}
.point-text p{color:var(--muted);font-size:16px}
.point-list{margin-top:20px;display:grid;gap:10px}
.point-list li{display:flex;gap:10px;font-size:15px;color:#CFC7E6;align-items:flex-start}
.point-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;margin-top:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--secondary),var(--primary));
}
.point-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;box-shadow:var(--shadow-card)}
.point-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.point-row:hover .point-media img{transform:scale(1.04)}

/* ============ 图墙 ============ */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(5,104px);gap:16px}
.g-item{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:#150E29}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.g-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,5,18,.78));transition:background var(--ease)}
.g-item:hover img{transform:scale(1.03)}
.g-item:hover{border-color:var(--primary-soft)}
.g-tag{position:absolute;z-index:2;right:12px;bottom:12px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);background:rgba(10,6,22,.72);border:1px solid var(--line-strong);color:#E4DEF6}
.g-a{grid-column:1/5;grid-row:1/4}
.g-b{grid-column:5/7;grid-row:1/2}
.g-c{grid-column:5/7;grid-row:2/4}
.g-d{grid-column:1/3;grid-row:4/6}
.g-e{grid-column:3/5;grid-row:4/5}
.g-f{grid-column:5/7;grid-row:4/6}
.g-g{grid-column:3/5;grid-row:5/6}

/* ============ 报名 CTA ============ */
.signup{position:relative;padding:104px 0;overflow:hidden}
.signup-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,6,22,.94) 30%,rgba(10,6,22,.78)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.signup-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.signup h2{font-size:34px;font-weight:800;line-height:1.25;color:#fff}
.signup p{color:#C9C1E2;margin-top:14px;font-size:16px;max-width:34em}
.signup-notes{display:grid;gap:12px;margin-top:28px}
.signup-notes li{display:flex;gap:10px;font-size:14.5px;color:#CFC7E6;align-items:center}
.signup-notes li svg{width:16px;height:16px;color:var(--secondary);flex-shrink:0}
.form-card{
  background:rgba(20,13,38,.94);border:1px solid var(--line-strong);border-radius:20px;
  padding:30px;box-shadow:0 24px 60px rgba(0,0,0,.45);backdrop-filter:blur(12px);
}
.form-card h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:#C6BEE0;margin-bottom:7px;font-weight:600}
.field input[type=text],.field select{
  width:100%;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;color:#fff;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  appearance:none;
}
.field input::placeholder{color:var(--muted)}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:var(--shadow-glow);outline:none;background:rgba(123,92,240,.10)}
.field select option{background:#1A1130;color:#fff}
.field.has-error input,.field.has-error select{border-color:var(--urgent)}
.error-msg{display:none;font-size:13.5px;color:var(--urgent);margin-top:6px}
.field.has-error .error-msg{display:block}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#BFB7D9;margin:6px 0 20px}
.check-line input{width:17px;height:17px;margin-top:4px;accent-color:var(--primary);flex-shrink:0}
.form-result{
  display:none;align-items:center;gap:12px;background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.45);border-radius:12px;padding:16px 18px;font-size:14.5px;color:#9BF3E6;
}
.form-result.show{display:flex}
.form-result svg{width:20px;height:20px;flex-shrink:0}

/* ============ FAQ 浅色区 ============ */
.faq-section{background:var(--ink);color:var(--ink-deep);position:relative;z-index:2;padding:104px 0}
.faq-section .eyebrow{color:#6A4BE0}
.faq-section .eyebrow::before{background:linear-gradient(90deg,#6A4BE0,transparent)}
.faq-section .sec-title{color:#1B1433}
.faq-grid{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.faq-intro p{color:#5B5477;font-size:15.5px;margin-top:14px}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid rgba(27,20,51,.10);border-radius:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease)}
.faq-item:hover{border-color:rgba(123,92,240,.35);box-shadow:0 8px 24px rgba(27,20,51,.08)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:700;color:#1B1433;text-align:left;position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--primary);opacity:0;transition:opacity var(--ease)}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{
  width:24px;height:24px;border-radius:50%;border:1.5px solid rgba(27,20,51,.25);position:relative;flex-shrink:0;
  transition:transform 220ms ease-out,background var(--ease),border-color var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#1B1433;border-radius:2px;transition:background var(--ease)}
.faq-icon::before{left:6px;right:6px;top:50%;height:1.6px;transform:translateY(-50%)}
.faq-icon::after{top:6px;bottom:6px;left:50%;width:1.6px;transform:translateX(-50%)}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary);border-color:var(--primary)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease-out}
.faq-a p{padding:0 22px 20px;color:#5B5477;font-size:15px;line-height:1.85}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(123,92,240,.42);box-shadow:var(--shadow-card)}
.news-card.feature{grid-column:span 2;grid-row:span 2}
.news-cover{display:block;width:100%;aspect-ratio:16/10;overflow:hidden;background:#150E29}
.news-card.feature .news-cover{aspect-ratio:16/9}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:18px;font-weight:700;color:#fff;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card.feature .news-title{font-size:21px}
.news-desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);padding-top:8px}
.news-foot .more{color:var(--secondary);font-weight:600;transition:transform var(--ease)}
.news-card:hover .news-foot .more{transform:translateX(3px)}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);padding:56px 24px;text-align:center;
  background:rgba(255,255,255,.02);
}
.empty-state svg{width:44px;height:44px;color:var(--primary);margin:0 auto 16px;display:block}
.empty-state p{font-size:15.5px;color:var(--muted)}
.empty-state a{display:inline-block;margin-top:14px;color:var(--secondary);font-size:14px;font-weight:600}

/* ============ 数据带 ============ */
.stats-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(123,92,240,.12),rgba(53,224,200,.06) 60%,transparent);
}
.stats-band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:48px 0}
.stat-cell strong{display:block;font-size:32px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.stat-cell strong em{font-style:normal;color:var(--accent);font-size:20px;margin-left:4px}
.stat-cell span{font-size:14px;color:var(--muted)}

/* ============ 页脚前 CTA 带 ============ */
.cta-band{background:linear-gradient(120deg,#EFE9FF,#DCD2FF);color:#1B1433;padding:64px 0;position:relative;z-index:2}
.cta-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.3px}
.cta-band p{font-size:15px;color:#544C77;margin-top:6px}
.cta-band .btn-dark{background:#241A44;color:#fff}
.cta-band .btn-dark:hover{background:#33265C}

/* ============ 页脚 ============ */
.site-footer{background:rgba(9,6,20,.85);border-top:1px solid var(--line);position:relative;z-index:2;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:26em}
.footer-mark{display:flex;align-items:center;gap:8px;margin-top:20px}
.footer-mark img{width:34px;height:34px;border-radius:9px;object-fit:cover;border:1px solid var(--line-strong)}
.footer-mark span{font-size:12px;color:var(--muted)}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:14px;color:var(--muted);transition:color var(--ease)}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:#7E769C;
}
.footer-bottom a{color:#9C93BC}
.footer-bottom a:hover{color:var(--secondary)}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(10,6,22,.6);z-index:80;opacity:0;pointer-events:none;transition:opacity var(--ease)}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78%;max-width:360px;z-index:85;
  background:#140D26;border-left:1px solid var(--line-strong);
  transform:translateX(100%);transition:transform 260ms ease-out;padding:26px 24px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-nav{display:grid;gap:6px;margin-bottom:26px}
.drawer-nav a{padding:13px 12px;border-radius:10px;font-size:15.5px;color:#CFC7E6;transition:background var(--ease),color var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(123,92,240,.16);color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container,.nav-wrap,.countdown-inner{padding:0 24px}
  .hero h1{font-size:48px}
  .hero-grid{grid-template-columns:6fr 4fr;gap:40px}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .news-card.feature{grid-column:span 2;grid-row:span 1}
}
@media (max-width:1023px){
  .section{padding:84px 0}
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:40px}
  .point-row{grid-template-columns:1fr;gap:32px}
  .point-row.reverse .point-text{order:1}
  .point-row.reverse .point-media{order:2}
  .signup-grid{grid-template-columns:1fr;gap:40px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .stats-band-inner{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .gallery{grid-template-rows:repeat(5,92px)}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container,.nav-wrap,.countdown-inner{padding:0 18px}
  .section{padding:60px 0}
  .section-tight{padding:52px 0}
  .nav-wrap{height:56px}
  .site-header{top:40px}
  .nav-links{display:none}
  .hamburger{display:grid}
  .nav-actions .btn-pill{display:none}
  .countdown-inner{height:40px;gap:10px}
  .cd-num{font-size:13px}
  .cd-unit{min-width:50px;padding:2px 7px}
  .cd-u-day,.cd-u-sec{display:none}
  .hero{padding:44px 0 68px}
  .hero h1{font-size:31px;letter-spacing:-.3px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-stats{gap:24px;margin-top:30px}
  .float-card.fc-1{left:10px;bottom:12px;padding:10px 14px}
  .float-card.fc-2{right:10px;top:-14px;padding:10px 14px}
  .sec-title{font-size:26px}
  .point-index{font-size:38px}
  .point-text h3{font-size:21px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-template-rows:none;gap:12px}
  .g-item{grid-column:auto!important;grid-row:auto!important;height:150px}
  .g-a,.g-c,.g-f{height:190px}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-card.feature{grid-column:span 1}
  .faq-section{padding:60px 0}
  .signup{padding:64px 0}
  .form-card{padding:22px}
  .btn{width:100%}
  .btn-block{width:100%}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .stats-band-inner{grid-template-columns:1fr 1fr;padding:36px 0}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .cd-tag{font-size:12px}
  .stat-cell strong{font-size:26px}
  .g-item,.g-a,.g-c,.g-f{height:130px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#0E0A1E;
  --bg-1:#1A1130;
  --primary:#7B5CF0;
  --primary-soft:rgba(123,92,240,.12);
  --primary-line:rgba(123,92,240,.42);
  --secondary:#35E0C8;
  --secondary-soft:rgba(53,224,200,.06);
  --accent:#F0B54A;
  --urgent:#FF5A5F;
  --ink:#F7F4FF;
  --text:#E8E4F5;
  --muted:#A79FC4;
  --card-bg:rgba(255,255,255,.055);
  --card-line:rgba(255,255,255,.09);
  --r-card:16px;
  --r-img:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --focus-ring:0 0 0 3px rgba(123,92,240,.35);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-0) 0%,#140E27 45%,var(--bg-1) 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(2px 2px at 12% 18%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 78% 32%,rgba(53,224,200,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 42% 72%,rgba(240,181,74,.42),transparent 60%),
    radial-gradient(1.8px 1.8px at 88% 82%,rgba(255,255,255,.36),transparent 60%),
    radial-gradient(1.2px 1.2px at 26% 48%,rgba(123,92,240,.5),transparent 60%),
    linear-gradient(115deg,transparent 0 46%,rgba(123,92,240,.10) 46% 46.4%,transparent 46.4% 100%);
  animation:stardust 6s ease-in-out infinite;
  opacity:.9;
}
@keyframes stardust{0%,100%{opacity:.55;}50%{opacity:1;}}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),opacity var(--ease);}
a:hover{color:var(--secondary);}
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{margin:0;font-weight:800;letter-spacing:-.3px;line-height:1.25;color:#fff;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:8px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.svg-icon{width:20px;height:20px;display:block;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(18,12,36,.62);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(18,12,36,.9);
  border-bottom-color:var(--card-line);
}
.nav-wrap{
  max-width:1240px;
  margin:0 auto;
  height:64px;
  padding:0 32px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#4A32B8);
  box-shadow:0 6px 18px rgba(123,92,240,.36);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;color:#fff;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:1.4px;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:14px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  padding:6px 2px;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:5px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transition:transform var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--text);
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.07);color:#fff;border-color:var(--card-line);}
.icon-btn svg{width:20px;height:20px;}
.hamburger{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),color var(--ease);
  min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(123,92,240,.3);}
.btn-primary:hover{background:#8a6df5;color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(123,92,240,.42);}
.btn-primary .arrow{transition:transform var(--ease);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary-line);background:rgba(123,92,240,.08);color:#fff;}
.btn-pill{border-radius:var(--r-pill);padding:10px 20px;font-size:14px;}
.btn:focus-visible{box-shadow:var(--focus-ring);}

/* search overlay */
.search-overlay{
  position:fixed;inset:0;z-index:90;
  background:rgba(10,6,22,.78);
  display:none;
  align-items:flex-start;
  justify-content:center;
  padding:120px 24px;
}
.search-overlay.is-open{display:flex;}
.search-box{
  width:100%;max-width:620px;
  background:#160F2C;
  border:1px solid var(--card-line);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--shadow-card);
}
.search-box form{display:flex;gap:10px;}
.search-box input{
  flex:1;
  background:rgba(255,255,255,.06);
  border:1px solid var(--card-line);
  border-radius:var(--r-input);
  padding:11px 14px;
  color:var(--text);
  min-height:44px;
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{border-color:var(--primary);box-shadow:var(--focus-ring);outline:none;}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;z-index:95;
  background:rgba(10,6,22,.6);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:96;
  width:78%;max-width:330px;
  background:#150F2A;
  border-left:1px solid var(--card-line);
  padding:22px;
  transform:translateX(100%);
  transition:transform 240ms ease-out;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-head .brand-name{font-size:17px;}
.drawer a.drawer-link{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;
}
.drawer a.drawer-link:hover{background:rgba(123,92,240,.12);color:#fff;}
.drawer .btn{margin-top:14px;width:100%;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  padding:28px 0 0;
  font-size:13.5px;
  color:var(--muted);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--secondary);}
.crumb .sep{color:rgba(167,159,196,.5);}
.crumb .current{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article head ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--card-line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
  border:1px solid transparent;
}
.badge-cyan{background:rgba(53,224,200,.06);border-color:rgba(53,224,200,.42);color:var(--secondary);}
.badge-gold{background:rgba(240,181,74,.09);border-color:rgba(240,181,74,.42);color:var(--accent);}
.badge-plain{background:rgba(255,255,255,.06);border-color:var(--card-line);color:var(--muted);}
.article-head h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  margin:18px 0 16px;
  max-width:20em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
}
.article-meta .dot{opacity:.5;}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:56px;
  padding:48px 0 96px;
  align-items:start;
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;}
.article-body p{margin:0 0 1.4em;color:var(--text);}
.article-body h2{
  position:relative;
  font-size:26px;
  margin:2em 0 .8em;
  padding-left:16px;
  color:#fff;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;
  width:4px;height:18px;border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:21px;margin:1.6em 0 .6em;font-weight:700;color:#fff;}
.article-body h4{font-size:18px;margin:1.4em 0 .5em;color:#fff;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.2em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body a{color:var(--secondary);text-decoration:underline;text-underline-offset:3px;}
.article-body img{border-radius:12px;margin:1.2em 0;width:100%;height:auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:1.5em 0;
  padding:14px 20px;
  border-left:4px solid var(--secondary);
  background:var(--secondary-soft);
  border-radius:0 12px 12px 0;
  color:#D9F7F1;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--card-line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--primary-soft);color:#fff;font-weight:700;}
.article-body code{
  background:rgba(255,255,255,.08);
  border-radius:6px;padding:2px 6px;font-size:15px;color:var(--accent);
}
.article-body hr{border:0;height:1px;background:var(--card-line);margin:2.4em 0;}

.empty-state{
  max-width:760px;
  border:1px solid var(--card-line);
  background:var(--card-bg);
  border-radius:var(--r-card);
  padding:44px 28px;
  text-align:center;
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 16px;
  display:grid;place-items:center;border-radius:16px;
  background:rgba(123,92,240,.14);color:var(--primary);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin:0 0 20px;font-size:15px;}

/* ---------- Sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
.side-card{
  border:1px solid var(--card-line);
  background:var(--card-bg);
  border-radius:var(--r-card);
  padding:20px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--card-line);
}
.side-card h3 i{color:var(--secondary);font-size:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:7px 10px 7px 12px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  line-height:1.5;
}
.toc-list a:hover{color:#fff;background:rgba(123,92,240,.12);border-left-color:var(--primary);}
.side-links li{margin-bottom:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:14.5px;color:var(--text);
  padding:10px 12px;border-radius:10px;
  min-height:44px;
}
.side-links a:hover{background:rgba(123,92,240,.12);color:#fff;}
.side-links a i{color:var(--muted);font-size:12px;}
.side-note{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- Tags ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:26px;
  border-top:1px solid var(--card-line);
}
.tag-row .tag-label{font-size:13.5px;color:var(--muted);margin-right:4px;}

/* ---------- Related ---------- */
.related-block{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:30px;}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;}
.section-head .more{font-size:14px;color:var(--secondary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--card-line);
  background:var(--card-bg);
  border-radius:var(--r-card);
  padding:16px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:var(--shadow-card);}
.related-thumb{
  width:120px;height:82px;flex-shrink:0;
  border-radius:12px;overflow:hidden;background:rgba(255,255,255,.05);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{min-width:0;}
.related-body .badge{margin-bottom:8px;font-size:11.5px;padding:3px 10px;}
.related-body h3{
  font-size:16.5px;line-height:1.45;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-body p{
  font-size:13px;color:var(--muted);line-height:1.65;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- CTA strip ---------- */
.cta-strip{
  position:relative;
  border-top:1px solid var(--card-line);
  border-bottom:1px solid var(--card-line);
  background-image:linear-gradient(rgba(14,10,30,.82),rgba(14,10,30,.82)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cta-strip .inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:52px 0;
  flex-wrap:wrap;
}
.cta-strip h2{font-size:28px;margin-bottom:8px;}
.cta-strip p{margin:0;color:var(--muted);font-size:15px;max-width:46ch;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--card-line);
  background:rgba(11,7,24,.72);
  padding:64px 0 26px;
  margin-top:0;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-name{font-size:19px;display:block;margin-bottom:12px;}
.footer-brand p{color:var(--muted);font-size:14px;margin:0 0 16px;max-width:30ch;}
.footer-mark{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--card-line);
  background:var(--card-bg);
  border-radius:var(--r-pill);
  padding:6px 14px 6px 6px;
  font-size:12.5px;color:var(--muted);
}
.footer-mark img{width:34px;height:34px;border-radius:50%;object-fit:cover;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col li{font-size:14px;color:var(--muted);margin-bottom:10px;line-height:1.6;}
.footer-col a{color:var(--muted);}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--card-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 260px;}
  .nav-wrap,.container{padding-left:24px;padding-right:24px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:grid;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-col{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container,.nav-wrap{padding-left:18px;padding-right:18px;}
  .nav-wrap{height:56px;}
  .brand-sub{display:none;}
  .brand-name{font-size:17px;}
  .article-head{padding:20px 0 26px;}
  .article-head h1{font-size:30px;}
  .article-layout{padding:32px 0 64px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-strip .inner{padding:40px 0;}
  .cta-strip h2{font-size:23px;}
  .section-head h2{font-size:24px;}
  .site-footer{padding:48px 0 22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;height:150px;}
  .back-row .btn,.cta-strip .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .crumb .current{max-width:24ch;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  body::before{animation:none;}
}

/* roulang page: category1 */
:root{
  --bg-1:#0E0A1E;
  --bg-2:#1A1130;
  --primary:#7B5CF0;
  --primary-soft:rgba(123,92,240,.14);
  --secondary:#35E0C8;
  --accent:#F0B54A;
  --urgent:#FF5A5F;
  --ink:#F7F4FF;
  --ink-text:#241C3A;
  --ink-muted:#5A5276;
  --card:rgba(255,255,255,.055);
  --card-line:rgba(255,255,255,.09);
  --text:#E8E4F5;
  --text-2:#A79FC4;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --container:1240px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-1);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(circle at 14% 16%, rgba(123,92,240,.26), transparent 44%),
    radial-gradient(circle at 84% 6%, rgba(53,224,200,.13), transparent 40%),
    linear-gradient(180deg,#0E0A1E 0%,#1A1130 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.55;
  background-image:
    radial-gradient(1.5px 1.5px at 18% 24%, rgba(255,255,255,.55), transparent 100%),
    radial-gradient(1.5px 1.5px at 62% 12%, rgba(255,255,255,.42), transparent 100%),
    radial-gradient(1.2px 1.2px at 78% 58%, rgba(53,224,200,.5), transparent 100%),
    radial-gradient(1.2px 1.2px at 34% 72%, rgba(240,181,74,.42), transparent 100%),
    repeating-linear-gradient(118deg, rgba(255,255,255,.05) 0 1px, transparent 1px 96px);
  animation:starBreath 6s ease-in-out infinite;
}
@keyframes starBreath{
  0%,100%{opacity:.42;}
  50%{opacity:.72;}
}
@media (prefers-reduced-motion:reduce){
  body::after{animation:none;opacity:.5;}
  html{scroll-behavior:auto;}
}
img{max-width:100%;display:block;}
a{color:var(--secondary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:#fff;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;color:#fff;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(123,92,240,.8);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:34px;
  letter-spacing:-.4px;
  margin-bottom:16px;
}
.section-head .lead{
  font-size:17px;
  color:var(--text-2);
  max-width:38em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--secondary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;background:var(--secondary);opacity:.7;
}
.divider{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,transparent,rgba(123,92,240,.55),transparent);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(14,10,30,.62);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease-out,border-color .25s ease-out;
}
.site-header.scrolled{
  background:rgba(18,12,36,.92);
  border-bottom-color:rgba(255,255,255,.09);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:64px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:#fff;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#4E36B8);
  box-shadow:0 6px 18px rgba(123,92,240,.35);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.2px;}
.brand-sub{font-size:11px;color:var(--text-2);letter-spacing:.08em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:12px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-16px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
.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);}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--card-line);
  color:var(--text);
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{background:rgba(123,92,240,.2);border-color:rgba(123,92,240,.55);color:#fff;}
.hamburger{display:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .2s ease-out,filter .2s ease-out,background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 24px rgba(123,92,240,.3);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 12px 30px rgba(123,92,240,.42);
}
.btn-primary .arrow{transition:transform .2s ease-out;}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.22);
  color:var(--text);
}
.btn-ghost:hover{
  color:#fff;
  background:rgba(123,92,240,.16);
  border-color:rgba(123,92,240,.6);
}
.btn-pill{border-radius:var(--radius-pill);padding:0 20px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  pointer-events:none;
  filter:grayscale(.3);
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(10,6,22,.6);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease-out,visibility .25s ease-out;
  z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:78%;
  max-width:340px;
  height:100%;
  background:#150E2B;
  border-left:1px solid var(--card-line);
  padding:26px 22px 32px;
  transform:translateX(102%);
  transition:transform .28s ease-out;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:18px;
}
.drawer-head span{font-weight:800;font-size:16px;color:#fff;}
.drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:12px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  transition:background .2s ease-out,color .2s ease-out;
}
.drawer a:hover{background:rgba(123,92,240,.18);color:#fff;}
.drawer a.active{background:rgba(123,92,240,.22);color:#fff;}
.drawer .btn{margin-top:16px;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:56px 0 72px;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
}
.cat-hero-bg img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.32;
}
.cat-hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(14,10,30,.96) 0%,rgba(14,10,30,.82) 46%,rgba(14,10,30,.5) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  min-height:280px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:20px;
}
.crumb ol{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.crumb li{display:flex;align-items:center;gap:10px;}
.crumb li+li::before{content:"/";color:rgba(167,159,196,.6);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--secondary);}
.crumb [aria-current]{color:var(--text);}
.cat-hero h1{
  font-size:52px;
  letter-spacing:-.5px;
  line-height:1.15;
  margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--secondary),#8FF0E2);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero .hero-lead{
  font-size:17px;
  color:var(--text-2);
  max-width:38em;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--card-line);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(14,10,30,0) 40%,rgba(14,10,30,.72) 100%);
}
.hero-tag{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:rgba(20,13,42,.72);
  border:1px solid rgba(53,224,200,.5);
}
.hero-tag i{
  width:7px;height:7px;border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 10px var(--secondary);
  font-style:normal;
}

/* ============ 通用组件 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  white-space:nowrap;
}
.badge-cyan{background:rgba(53,224,200,.1);border:1px solid rgba(53,224,200,.45);color:var(--secondary);}
.badge-gold{background:rgba(240,181,74,.1);border:1px solid rgba(240,181,74,.45);color:var(--accent);}
.badge-neutral{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text-2);}

.card{
  background:var(--card);
  border:1px solid var(--card-line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(123,92,240,.4);
  box-shadow:var(--shadow-card);
}
.card h3{
  font-size:19px;
  margin-bottom:12px;
}
.card p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* 图文分栏 */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--card-line);
  aspect-ratio:16/11;
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{font-size:26px;margin-bottom:16px;}
.split-body p{font-size:16px;color:var(--text-2);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text);
}
.check-list li::before{
  content:"";
  flex-shrink:0;
  margin-top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  transform:rotate(45deg);
}
.check-list li span{color:var(--text-2);}

/* ============ 参数表 ============ */
.table-wrap{
  border:1px solid var(--card-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:rgba(255,255,255,.03);
}
.spec-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.spec-table thead th{
  background:rgba(123,92,240,.12);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--card-line);
  white-space:nowrap;
}
.spec-table tbody td{
  padding:17px 20px;
  border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--text-2);
  vertical-align:middle;
}
.spec-table tbody td:first-child{
  color:#fff;
  font-weight:600;
}
.spec-table tbody tr{transition:background .2s ease-out;}
.spec-table tbody tr:hover{background:rgba(123,92,240,.1);}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table .num{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}

/* ============ 阶段卡片 ============ */
.stage-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.stage-card{
  position:relative;
  overflow:hidden;
}
.stage-card .stage-no{
  font-size:44px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(240,181,74,.65);
  line-height:1;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.stage-card ul{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.stage-card ul li{padding-left:16px;position:relative;}
.stage-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--secondary);
  opacity:.85;
}

/* ============ 数据条 ============ */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--card-line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-item{
  background:#150E2B;
  padding:28px 24px;
  transition:background .2s ease-out;
}
.stat-item:hover{background:#1B1236;}
.stat-item .stat-num{
  font-size:34px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  line-height:1.1;
  margin-bottom:8px;
}
.stat-item .stat-label{font-size:14px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-section{
  background:var(--ink);
  color:var(--ink-text);
  padding:96px 0;
}
.faq-section h2{color:var(--ink-text);}
.faq-section .eyebrow{color:#5A3FD6;}
.faq-section .eyebrow::before{background:#5A3FD6;}
.faq-layout{
  display:grid;
  grid-template-columns:.8fr 1.6fr;
  gap:56px;
  align-items:start;
}
.faq-layout .faq-intro{
  font-size:16px;
  color:var(--ink-muted);
  margin-top:16px;
  max-width:24em;
}
.faq-list{display:flex;flex-direction:column;gap:16px;}
.faq-item{
  background:#fff;
  border:1px solid rgba(36,28,58,.08);
  border-radius:14px;
  overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item.open{
  border-color:rgba(123,92,240,.4);
  box-shadow:0 12px 28px rgba(63,44,140,.14);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  min-height:44px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink-text);
  position:relative;
  transition:color .2s ease-out;
}
.faq-item.open .faq-q{font-weight:800;color:#3B2AA8;}
.faq-item.open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid rgba(36,28,58,.2);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease-out,background .22s ease-out,border-color .22s ease-out;
  position:relative;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-text);
  border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:transform .22s ease-out,opacity .22s ease-out;}
.faq-item.open .faq-icon{
  transform:rotate(180deg);
  background:rgba(123,92,240,.1);
  border-color:rgba(123,92,240,.5);
}
.faq-item.open .faq-icon::before{background:var(--primary);}
.faq-item.open .faq-icon::after{opacity:0;transform:scaleY(0);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .22s ease-out;
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--ink-muted);
  line-height:1.8;
}

/* ============ 底部 CTA ============ */
.end-cta{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--card-line);
  padding:56px 48px;
  background:linear-gradient(120deg,rgba(123,92,240,.24),rgba(53,224,200,.1));
}
.end-cta::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,200,.3),transparent 68%);
}
.end-cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.end-cta h2{font-size:30px;margin-bottom:12px;}
.end-cta p{color:var(--text-2);font-size:16px;max-width:34em;}
.end-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(9,6,20,.6);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-name{display:block;color:#fff;font-weight:800;margin-bottom:12px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  max-width:26em;
  margin-bottom:18px;
}
.footer-mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--card-line);
  font-size:13px;
  color:var(--text-2);
}
.footer-mark img{
  width:34px;height:34px;
  border-radius:50%;
  object-fit:cover;
}
.footer-col h3{
  font-size:15px;
  margin-bottom:18px;
  color:#fff;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.footer-col a{
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  min-height:24px;
  transition:color .2s ease-out;
}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(167,159,196,.85);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container,.nav-wrap{padding:0 26px;}
  .cat-hero h1{font-size:46px;}
  .faq-layout{gap:40px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:inline-flex;}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;}
  .cat-hero h1{font-size:40px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .stage-grid{grid-template-columns:1fr 1fr;}
  .stat-band{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  .section-tight{padding:52px 0;}
  .container,.nav-wrap{padding:0 18px;}
  .nav-wrap{height:56px;}
  .brand-sub{display:none;}
  .cat-hero{padding:36px 0 52px;}
  .cat-hero h1{font-size:31px;}
  .cat-hero .hero-lead{font-size:16px;}
  .section-head h2{font-size:27px;}
  .split-body h3{font-size:22px;}
  .stage-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;}
  .end-cta{padding:36px 22px;border-radius:18px;}
  .end-cta h2{font-size:24px;}
  .end-cta-actions{width:100%;}
  .end-cta-actions .btn{width:100%;}
  .faq-section{padding:64px 0;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{margin-top:64px;padding-top:52px;}
  .hero-cta .btn{flex:1 1 100%;}
  /* 表格转键值卡 */
  .table-wrap{border:0;background:transparent;overflow:visible;}
  .spec-table thead{display:none;}
  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table td{display:block;width:100%;}
  .spec-table tbody tr{
    background:var(--card);
    border:1px solid var(--card-line);
    border-radius:14px;
    padding:8px 16px;
    margin-bottom:14px;
  }
  .spec-table tbody tr:hover{background:rgba(123,92,240,.12);}
  .spec-table tbody td{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:14px;
    padding:10px 0;
    border-bottom:1px dashed rgba(255,255,255,.08);
    text-align:right;
  }
  .spec-table tbody td:last-child{border-bottom:0;}
  .spec-table tbody td::before{
    content:attr(data-label);
    color:var(--text-2);
    font-size:13px;
    font-weight:500;
    flex-shrink:0;
    text-align:left;
  }
  .spec-table tbody td:first-child{color:#fff;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:27px;}
  .section-head h2{font-size:24px;}
  .stat-item{padding:22px 18px;}
  .stat-item .stat-num{font-size:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --bg-1:#0E0A1E;
  --bg-2:#1A1130;
  --primary:#7B5CF0;
  --primary-strong:#8F73F5;
  --primary-glow:rgba(123,92,240,.35);
  --secondary:#35E0C8;
  --accent:#F0B54A;
  --urgent:#FF5A5F;
  --ink:#F7F4FF;
  --text:#E8E4F5;
  --muted:#A79FC4;
  --card:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --radius-card:16px;
  --radius-img:18px;
  --radius-btn:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-lift:0 16px 40px rgba(0,0,0,.45);
  --maxw:1240px;
  --ease:200ms ease-out;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 6%, rgba(123,92,240,.20), transparent 44%),
    radial-gradient(circle at 88% 0%, rgba(53,224,200,.13), transparent 40%),
    linear-gradient(180deg,var(--bg-1) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 20% 30%, rgba(255,255,255,.55), transparent 62%),
    radial-gradient(1.4px 1.4px at 72% 16%, rgba(255,255,255,.42), transparent 62%),
    radial-gradient(1.2px 1.2px at 45% 68%, rgba(255,255,255,.34), transparent 62%),
    radial-gradient(1.6px 1.6px at 86% 58%, rgba(255,255,255,.38), transparent 62%);
  background-size:540px 540px, 660px 660px, 480px 480px, 720px 720px;
  animation:stardust-breathe 6s ease-in-out infinite;
}
@keyframes stardust-breathe{
  0%,100%{opacity:.32;}
  50%{opacity:.58;}
}
@media (prefers-reduced-motion: reduce){
  body::before{animation:none;}
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--primary-glow);border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;}
main,header,footer{position:relative;z-index:1;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.2px;
  transition:transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease);
  white-space:nowrap;
}
.btn .arrow{display:inline-block;transition:transform var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,#6C4BE8 100%);
  color:#fff;
  box-shadow:0 8px 22px rgba(123,92,240,.28);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-strong) 0%,var(--primary) 100%);box-shadow:0 10px 28px rgba(123,92,240,.45);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  border:1.5px solid var(--line-strong);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(123,92,240,.6);}
.btn-pill{border-radius:999px;padding:11px 20px;min-height:40px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.3px;
  white-space:nowrap;
}
.tag-cyan{color:var(--secondary);border:1px solid rgba(53,224,200,.45);background:rgba(53,224,200,.07);}
.tag-gold{color:var(--accent);border:1px solid rgba(240,181,74,.42);background:rgba(240,181,74,.08);}
.tag-neutral{color:var(--muted);border:1px solid var(--line-strong);background:rgba(255,255,255,.05);}
.tag-violet{color:#C6B6FF;border:1px solid rgba(123,92,240,.5);background:rgba(123,92,240,.12);}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(14,10,30,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(18,12,36,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.35);
}
.nav-wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
  height:64px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary) 0%,#4A32B8 100%);
  box-shadow:0 6px 16px rgba(123,92,240,.35);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;color:#fff;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  transition:background var(--ease), border-color var(--ease), color var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{background:rgba(123,92,240,.18);border-color:rgba(123,92,240,.5);color:#fff;}
.hamburger{display:none;}

/* 搜索覆盖条 */
.search-overlay{
  position:fixed;inset:0;z-index:90;
  display:none;
  align-items:flex-start;justify-content:center;
  padding:120px 20px 0;
  background:rgba(10,6,22,.78);
  backdrop-filter:blur(6px);
}
.search-overlay.open{display:flex;}
.search-box{
  width:100%;max-width:620px;
  background:rgba(26,17,48,.96);
  border:1px solid var(--line-strong);
  border-radius:16px;
  padding:18px;
  box-shadow:var(--shadow-lift);
}
.search-box label{display:block;font-size:13px;color:var(--muted);margin-bottom:10px;}
.search-box input{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color var(--ease), box-shadow var(--ease);
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);outline:none;}
.search-box .search-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;color:var(--muted);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(10,6,22,.6);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease), visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:85;
  width:78%;max-width:340px;
  background:linear-gradient(180deg,#150E2B 0%,#100A22 100%);
  border-left:1px solid var(--line);
  padding:24px 22px;
  transform:translateX(102%);
  transition:transform 240ms ease-out;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer a.drawer-link{
  padding:13px 14px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:500;
  color:var(--text);
  border:1px solid transparent;
  transition:background var(--ease), border-color var(--ease), color var(--ease);
}
.drawer a.drawer-link:hover{background:rgba(255,255,255,.05);}
.drawer a.drawer-link.active{background:rgba(123,92,240,.16);border-color:rgba(123,92,240,.45);color:#fff;font-weight:600;}
.drawer .btn{margin-top:14px;width:100%;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:52px 0 60px;
  background-image:
    linear-gradient(100deg, rgba(12,8,26,.94) 0%, rgba(12,8,26,.80) 46%, rgba(20,12,42,.72) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(123,92,240,.7),rgba(53,224,200,.5),transparent);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);
  gap:44px;
  align-items:center;
  min-height:260px;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--secondary);}
.breadcrumb .sep{color:rgba(167,159,196,.55);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.5px;
  color:#fff;
  margin:14px 0 16px;
  max-width:15em;
}
.hero-lead{
  font-size:17px;
  color:#CFC8E8;
  line-height:1.85;
  max-width:38em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-art{position:relative;}
.hero-art .art-frame{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
  background:rgba(255,255,255,.04);
}
.hero-art .art-frame img{width:100%;height:100%;object-fit:cover;}
.hero-art .art-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,30,0) 40%,rgba(14,10,30,.72) 100%);
}
.hero-art .art-note{
  position:absolute;left:14px;right:14px;bottom:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:#EFEBFF;
}

/* ============ 通用区块 ============ */
.section{padding:96px 0;}
.section-tight{padding:76px 0;}
.section-head{max-width:44em;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2px;
  color:var(--secondary);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--secondary);opacity:.8;}
.section-title{
  font-size:clamp(26px,3vw,34px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.4px;
  color:#fff;
  margin-bottom:14px;
}
.section-lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:38em;}
.divider{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(123,92,240,.45),rgba(53,224,200,.3),transparent);
  margin:0;
  border:0;
}

/* ============ 数据条 ============ */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:-44px;
  position:relative;
  z-index:2;
}
.stat-card{
  background:rgba(26,17,48,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(123,92,240,.45);box-shadow:var(--shadow-lift);}
.stat-num{
  font-size:34px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  line-height:1.1;
  letter-spacing:-.5px;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0;}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;top:8px;bottom:8px;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,rgba(123,92,240,.55) 6%,rgba(53,224,200,.4) 94%,transparent);
}
.tl-item{
  display:grid;
  grid-template-columns:1fr 96px 1fr;
  align-items:center;
  margin-bottom:36px;
  position:relative;
}
.tl-item:last-child{margin-bottom:0;}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  backdrop-filter:blur(6px);
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(123,92,240,.45);box-shadow:var(--shadow-lift);}
.tl-card h3{font-size:19px;font-weight:700;color:#fff;margin:12px 0 8px;line-height:1.4;}
.tl-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.tl-card .tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tl-item .tl-card{grid-column:1;text-align:left;}
.tl-item .tl-node{grid-column:2;justify-self:center;align-self:center;}
.tl-item .tl-spacer{grid-column:3;}
.tl-item.reverse .tl-card{grid-column:3;}
.tl-item.reverse .tl-node{grid-column:2;}
.tl-item.reverse .tl-spacer{grid-column:1;}
.tl-node{
  width:62px;height:62px;
  border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 50% 30%, rgba(123,92,240,.35), rgba(14,10,30,.95) 70%);
  border:1px solid rgba(123,92,240,.55);
  box-shadow:0 0 0 6px rgba(14,10,30,.9), 0 0 24px rgba(123,92,240,.28);
}
.tl-index{
  font-size:19px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  letter-spacing:.5px;
}

/* ============ 福利类型卡片 ============ */
.welfare-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.welfare-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.welfare-card:hover{transform:translateY(-4px);border-color:rgba(123,92,240,.45);box-shadow:var(--shadow-lift);}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:rgba(255,255,255,.04);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.welfare-card:hover .card-media img{transform:scale(1.05);}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,30,.05) 45%,rgba(14,10,30,.75) 100%);
}
.card-media .media-tag{position:absolute;left:12px;bottom:12px;z-index:2;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:700;color:#fff;line-height:1.45;}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.card-foot .link{color:var(--secondary);font-weight:600;}

/* ============ 领取须知 ============ */
.notes-grid{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}
.notes-list{display:flex;flex-direction:column;}
.note-row{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.note-row:first-child{padding-top:0;}
.note-row:last-child{border-bottom:0;}
.note-row:hover{background:rgba(255,255,255,.02);}
.note-num{
  font-size:26px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:transparent;
  -webkit-text-stroke:1px rgba(240,181,74,.85);
  line-height:1.2;
}
.note-row h3{font-size:17.5px;font-weight:700;color:#fff;margin-bottom:6px;}
.note-row p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.notes-aside{
  background:linear-gradient(160deg,rgba(123,92,240,.16),rgba(53,224,200,.07));
  border:1px solid rgba(123,92,240,.35);
  border-radius:var(--radius-card);
  padding:26px;
  position:sticky;
  top:96px;
}
.notes-aside h3{font-size:19px;color:#fff;font-weight:700;margin-bottom:12px;}
.notes-aside ul{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.notes-aside li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#D8D2EE;
  line-height:1.75;
}
.notes-aside li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 10px rgba(53,224,200,.7);
}

/* ============ FAQ 浅色区 ============ */
.faq-light{
  background:#F7F4FF;
  color:#241C4A;
  padding:88px 0;
}
.faq-light .eyebrow{color:#6B4FE8;}
.faq-light .eyebrow::before{background:#6B4FE8;}
.faq-light .section-title{color:#1D1640;}
.faq-light .section-lead{color:#5A527E;}
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);
  gap:52px;
  align-items:start;
}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid rgba(36,28,74,.10);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease), box-shadow var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:#6B4FE8;
  transform:scaleY(0);
  transform-origin:top;
  transition:transform 220ms ease-out;
}
.faq-item.open{border-color:rgba(107,79,232,.45);box-shadow:0 14px 30px rgba(48,34,110,.12);}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:#241C4A;
  transition:color var(--ease);
}
.faq-q:hover{color:#5B3FE0;}
.faq-item.open .faq-q{font-weight:700;}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(36,28,74,.18);
  color:#5B3FE0;
  font-size:16px;
  line-height:1;
  transition:transform 220ms ease-out, background 220ms ease-out;
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:rgba(107,79,232,.1);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms ease-out;
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15px;
  line-height:1.9;
  color:#544C78;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  padding:80px 0;
  background-image:
    linear-gradient(100deg, rgba(10,6,22,.92) 0%, rgba(14,10,30,.80) 55%, rgba(20,12,42,.86) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;
  color:#fff;
  letter-spacing:-.3px;
  margin-bottom:10px;
}
.cta-inner p{font-size:16px;color:#C4BCE0;max-width:34em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(11,7,24,.6) 0%,rgba(9,6,20,.95) 100%);
  padding:70px 0 0;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand-name{font-weight:800;color:#fff;letter-spacing:.2px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:12px;max-width:24em;}
.footer-mark{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:16px;
  padding:8px 14px 8px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:13px;color:#CFC8E8;
}
.footer-mark img{width:34px;height:34px;border-radius:50%;object-fit:cover;}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:1px;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.7;}
.footer-col a{font-size:14px;color:var(--muted);transition:color var(--ease);}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container,.nav-wrap{padding-left:26px;padding-right:26px;}
  .hero-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:34px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-art{max-width:520px;}
  .stats-strip{grid-template-columns:repeat(2,1fr);}
  .welfare-grid{grid-template-columns:repeat(2,1fr);}
  .notes-grid{grid-template-columns:1fr;gap:32px;}
  .notes-aside{position:static;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:76px 0;}
}
@media (max-width:820px){
  .timeline::before{left:23px;transform:none;}
  .tl-item,
  .tl-item.reverse{grid-template-columns:46px 1fr;gap:16px;align-items:start;margin-bottom:22px;}
  .tl-item .tl-spacer,.tl-item.reverse .tl-spacer{display:none;}
  .tl-item .tl-node,.tl-item.reverse .tl-node{grid-column:1;order:1;justify-self:start;align-self:start;}
  .tl-item .tl-card,.tl-item.reverse .tl-card{grid-column:2;order:2;text-align:left;}
  .tl-node{width:46px;height:46px;box-shadow:0 0 0 4px rgba(14,10,30,.9),0 0 18px rgba(123,92,240,.28);}
  .tl-index{font-size:15px;}
}
@media (max-width:767px){
  .container,.nav-wrap{padding-left:18px;padding-right:18px;}
  .nav-wrap{height:56px;gap:14px;}
  .brand-sub{display:none;}
  .page-hero{padding:36px 0 46px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:60px 0;}
  .section-tight{padding:52px 0;}
  .stats-strip{margin-top:-30px;gap:14px;}
  .stat-num{font-size:27px;}
  .welfare-grid{grid-template-columns:1fr;}
  .faq-light{padding:60px 0;}
  .cta-band{padding:60px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{padding-bottom:36px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px;line-height:1.22;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .stats-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-card{padding:16px;}
  .stat-num{font-size:23px;}
  .stat-num small{font-size:13px;}
  .stat-label{font-size:12.5px;}
  .note-row{grid-template-columns:42px 1fr;gap:12px;}
  .note-num{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg-1:#0E0A1E;
  --bg-2:#1A1130;
  --primary:#7B5CF0;
  --primary-soft:rgba(123,92,240,.35);
  --secondary:#35E0C8;
  --accent:#F0B54A;
  --urgent:#FF5A5F;
  --ink:#F7F4FF;
  --card:rgba(255,255,255,.055);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(123,92,240,.42);
  --text:#E8E4F5;
  --muted:#A79FC4;
  --radius-card:16px;
  --radius-img:18px;
  --radius-btn:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-lift:0 18px 40px rgba(0,0,0,.45);
  --focus-ring:0 0 0 3px rgba(123,92,240,.35);
  --nav-h:64px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(123,92,240,.20), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(53,224,200,.14), transparent 38%),
    linear-gradient(180deg,var(--bg-1) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 24%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.4px 1.4px at 72% 62%, rgba(240,181,74,.45), transparent 60%),
    radial-gradient(1.2px 1.2px at 44% 82%, rgba(53,224,200,.45), transparent 60%),
    linear-gradient(118deg, rgba(123,92,240,.10), transparent 46%),
    linear-gradient(298deg, rgba(255,255,255,.06), transparent 42%);
  animation:starBreath 6s ease-in-out infinite;
  opacity:.9;
}
@keyframes starBreath{
  0%,100%{opacity:.55}
  50%{opacity:.95}
}
@media (prefers-reduced-motion:reduce){
  body::before{animation:none;opacity:.7}
  *{transition:none !important;animation:none !important}
}
img{max-width:100%;display:block}
a{color:var(--secondary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:#6ff0dd}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;color:#fff}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:2;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(18,12,36,.55);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease-out,border-color .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(18,12,36,.9);
  border-bottom-color:rgba(255,255,255,.10);
}
.nav-wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#4b32b8);
  box-shadow:0 6px 18px rgba(123,92,240,.35);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;
  color:var(--text);
  font-weight:500;
  font-size:15px;
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:700}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:rgba(255,255,255,.10);color:#fff;border-color:var(--border-strong)}
.hamburger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  min-height:44px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease-out}
.btn-primary{
  background:linear-gradient(135deg,#8a6dff,var(--primary));
  color:#fff;
  box-shadow:0 10px 26px rgba(123,92,240,.32);
}
.btn-primary:hover{background:linear-gradient(135deg,#9b81ff,#8668ff);transform:translateY(-1px);box-shadow:0 14px 32px rgba(123,92,240,.42)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.24);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.42)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-pill{border-radius:999px;padding:11px 22px}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn .spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1.5;
}
.badge-cyan{color:#8ff3e6;border:1px solid rgba(53,224,200,.45);background:rgba(53,224,200,.10)}
.badge-gold{color:#ffd98a;border:1px solid rgba(240,181,74,.45);background:rgba(240,181,74,.10)}
.badge-neutral{color:#c6bfe0;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05)}

/* ---------- 小号 Hero ---------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 54px) 0 76px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--secondary)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}
.hero h1{
  font-size:52px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.15;
  margin:18px 0 0;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-lede{
  font-size:17px;
  color:var(--muted);
  max-width:38em;
  margin-top:20px;
}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-visual{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,30,0) 32%,rgba(14,10,30,.78) 100%);
}
.hero-float{
  position:absolute;
  left:18px;bottom:18px;right:18px;
  z-index:3;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.float-card{
  flex:1 1 140px;
  background:rgba(18,12,36,.78);
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px 14px;
  backdrop-filter:blur(8px);
}
.float-card .num{
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.float-card .lbl{font-size:12.5px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative;z-index:2}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.3px;
  margin-bottom:14px;
}
.section-head p{font-size:17px;color:var(--muted);max-width:38em}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--secondary);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--secondary);border-radius:2px;display:inline-block}

/* ---------- 起步数据 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.stat-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-lift)}
.stat-card .value{
  font-size:38px;
  font-weight:700;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.stat-card .value small{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-card .label{margin-top:10px;font-size:15px;font-weight:600;color:var(--text)}
.stat-card .note{margin-top:6px;font-size:13.5px;color:var(--muted)}
.stat-card:nth-child(2) .value{color:var(--accent)}
.stat-card:nth-child(3) .value{color:var(--secondary)}
.stat-card:nth-child(4) .value{color:#c3b4ff}

/* ---------- 图墙 ---------- */
.gallery{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  grid-template-areas:
    "a b c d"
    "a e f g";
  gap:18px;
  grid-auto-rows:210px;
}
.g-item{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  transition:border-color .25s ease-out,transform .25s ease-out;
}
.g-item img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease-out;
}
.g-item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,30,.05) 40%,rgba(14,10,30,.80) 100%);
  transition:background .25s ease-out;
}
.g-item:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.g-item:hover img{transform:scale(1.03)}
.g-item:hover::after{background:linear-gradient(180deg,rgba(14,10,30,.15) 30%,rgba(14,10,30,.88) 100%)}
.g-tag{
  position:absolute;
  right:14px;bottom:14px;
  z-index:2;
  font-size:12.5px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
  color:#fff;
  background:rgba(18,12,36,.72);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.g-a{grid-area:a}
.g-b{grid-area:b}
.g-c{grid-area:c}
.g-d{grid-area:d}
.g-e{grid-area:e}
.g-f{grid-area:f}
.g-g{grid-area:g}

/* ---------- 成长徽章 ---------- */
.rank-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.rank-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.rank-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.rank-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.rank-emblem{
  width:50px;height:50px;flex:none;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  color:#1a1030;
  background:linear-gradient(140deg,var(--accent),#f6d68f);
  box-shadow:0 8px 20px rgba(240,181,74,.28);
}
.rank-card:nth-child(2) .rank-emblem{background:linear-gradient(140deg,var(--secondary),#a5f6ea);box-shadow:0 8px 20px rgba(53,224,200,.25)}
.rank-card:nth-child(3) .rank-emblem{background:linear-gradient(140deg,#a08bff,#d6ccff);box-shadow:0 8px 20px rgba(123,92,240,.28)}
.rank-name{font-size:19px;font-weight:700;color:#fff}
.rank-sub{font-size:13px;color:var(--muted)}
.rank-desc{font-size:14.5px;color:var(--muted);line-height:1.75;min-height:52px}
.rank-bar{
  margin-top:18px;
  height:7px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  overflow:hidden;
}
.rank-bar span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}
.rank-meta{
  margin-top:10px;
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ---------- 起步清单 ---------- */
.check-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px 26px;
}
.check-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.035);
  border:1px solid var(--border);
  transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.check-item:hover{background:rgba(255,255,255,.07);border-color:var(--border-strong);transform:translateY(-3px)}
.check-icon{
  width:32px;height:32px;flex:none;
  border-radius:10px;
  display:grid;place-items:center;
  background:rgba(53,224,200,.12);
  border:1px solid rgba(53,224,200,.38);
  color:var(--secondary);
}
.check-icon svg{width:16px;height:16px}
.check-item h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- FAQ 浅色区 ---------- */
.faq-section{
  background:var(--ink);
  color:#241B3D;
  padding:88px 0;
  position:relative;
  z-index:2;
}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px}
.faq-aside h2{color:#1B1430;font-size:32px;font-weight:800;letter-spacing:-.3px;margin-bottom:14px}
.faq-aside p{color:#5A5279;font-size:16px;line-height:1.8;max-width:30em}
.faq-aside .badge{margin-top:20px;color:#3B2E6B;border:1px solid rgba(123,92,240,.35);background:rgba(123,92,240,.10)}
.faq-item{
  background:#fff;
  border:1px solid rgba(27,20,48,.09);
  border-radius:14px;
  margin-bottom:16px;
  overflow:hidden;
  transition:box-shadow .22s ease-out;
}
.faq-item:hover{box-shadow:0 10px 26px rgba(27,20,48,.10)}
.faq-item[open]{
  box-shadow:inset 3px 0 0 var(--primary),0 10px 26px rgba(27,20,48,.10);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:#1B1430;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  width:10px;height:10px;flex:none;
  border-right:2px solid var(--primary);
  border-bottom:2px solid var(--primary);
  transform:rotate(45deg);
  transition:transform .22s ease-out;
  margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item[open] summary{font-weight:700;color:#120C24}
.faq-body{padding:0 24px 22px;color:#4A4269;font-size:15.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:92px 0;
}
.cta-band .bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cta-band .bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,10,30,.92) 24%,rgba(26,17,48,.74) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:34px;font-weight:800;letter-spacing:-.3px;margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:17px;max-width:38em}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* ---------- 双入口 ---------- */
.dual-entry{padding:80px 0 96px}
.dual-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:36px 38px;
  border-radius:20px;
  background:linear-gradient(140deg,rgba(123,92,240,.16),rgba(53,224,200,.07));
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.dual-card h2{font-size:26px;font-weight:800;margin-bottom:8px}
.dual-card p{color:var(--muted);font-size:15.5px;max-width:34em}
.dual-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 搜索层 ---------- */
.search-layer{
  position:fixed;
  left:0;right:0;
  top:var(--nav-h);
  z-index:55;
  background:rgba(18,12,36,.96);
  border-bottom:1px solid var(--border);
  padding:18px 0;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s;
}
.search-layer.open{opacity:1;transform:translateY(0);visibility:visible}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input{
  flex:1;
  min-height:46px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  color:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-form input::placeholder{color:var(--muted)}
.search-form input:focus{border-color:var(--primary);box-shadow:var(--focus-ring);outline:none}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:78%;
  max-width:340px;
  height:100%;
  z-index:80;
  background:#140E28;
  border-left:1px solid var(--border);
  padding:26px 24px;
  transform:translateX(102%);
  transition:transform .28s ease-out;
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{
  padding:14px 12px;
  border-radius:12px;
  color:var(--text);
  font-weight:600;
  border:1px solid transparent;
}
.drawer nav a:hover{background:rgba(255,255,255,.06);border-color:var(--border);color:#fff}
.drawer nav a.active{background:rgba(123,92,240,.16);border-color:var(--border-strong);color:#fff}
.overlay{
  position:fixed;inset:0;
  z-index:70;
  background:rgba(10,6,22,.6);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease-out,visibility .25s;
}
.overlay.open{opacity:1;visibility:visible}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--border);
  background:rgba(10,6,22,.55);
  padding:72px 0 34px;
  position:relative;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-name{color:#fff;font-weight:800}
.footer-brand p{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.75;max-width:26em}
.footer-mark{display:flex;align-items:center;gap:10px;margin-top:18px;color:#c6bfe0;font-size:13px}
.footer-mark img{width:34px;height:34px;border-radius:10px;object-fit:cover;border:1px solid var(--border)}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{color:var(--muted);font-size:14px;line-height:1.7}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .hero h1{font-size:46px}
  .gallery{grid-auto-rows:186px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .hero-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:40px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .rank-grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery{
    grid-template-columns:1fr 1fr;
    grid-template-areas:
      "a a"
      "b c"
      "d e"
      "f g";
    grid-auto-rows:200px;
  }
}
@media (max-width:767px){
  :root{--nav-h:56px}
  body{font-size:15.5px}
  .container,.nav-wrap{padding:0 18px}
  .nav-actions .btn{display:none}
  .hero{padding:calc(var(--nav-h) + 40px) 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:31px}
  .hero-lede{font-size:16px}
  .hero-visual{aspect-ratio:16/11}
  .hero-actions .btn{width:100%}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:20px 18px}
  .stat-card .value{font-size:30px}
  .gallery{
    grid-template-columns:1fr 1fr;
    grid-template-areas:
      "a a"
      "b c"
      "d e"
      "f g";
    grid-auto-rows:auto;
    gap:12px;
  }
  .g-item{aspect-ratio:16/11}
  .rank-grid{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .faq-section{padding:60px 0}
  .faq-aside h2{font-size:26px}
  .faq-item summary{font-size:16px;padding:17px 18px}
  .faq-body{padding:0 18px 18px}
  .cta-band{padding:64px 0}
  .cta-inner h2{font-size:27px}
  .cta-inner .btn{width:100%}
  .dual-card{padding:26px 22px}
  .dual-card h2{font-size:22px}
  .dual-actions{width:100%}
  .dual-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .hero h1{font-size:27px}
  .section-head h2{font-size:23px}
  .stats{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-template-areas:"a" "b" "c" "d" "e" "f" "g"}
  .footer-grid{grid-template-columns:1fr}
}