/* ===== 设计变量 ===== */
:root{
  --bg:#050b1f;
  --bg-2:#081228;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(120,170,255,.16);
  --line-2:rgba(120,170,255,.3);
  --cyan:#25e0ff;
  --blue:#3b7dff;
  --violet:#8b5cf6;
  --green:#2fd9a0;
  --text:#e9f0ff;
  --muted:#93a4c8;
  --dim:#6d7fa4;
  --r:16px;
  --nav-h:74px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 20px)}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.75 "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media (max-width:640px){.container{padding:0 18px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:.22s;white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{
  color:#04101f;background:linear-gradient(100deg,var(--cyan),#4d9dff);
  box-shadow:0 10px 26px -10px rgba(37,150,255,.9);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 32px -12px rgba(37,150,255,1)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:var(--cyan)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ===== 导航 ===== */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(5,11,31,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:.3s;
}
.nav.is-stuck{background:rgba(5,11,31,.92);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  border-radius:12px;color:#0a1226;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 6px 18px rgba(37,125,255,.4);
}
.brand-mark svg{width:23px;height:23px}
.brand-txt{display:flex;flex-direction:column;line-height:1.18}
.brand-txt b{font-size:17px;letter-spacing:.5px}
.brand-txt i{font-style:normal;font-size:10.5px;color:var(--dim);letter-spacing:1.5px}

.nav-menu{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-menu a{padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--muted);transition:.2s}
.nav-menu a:hover{color:#fff;background:var(--panel-2)}
.nav-menu a.is-active{color:#fff;background:rgba(37,224,255,.12);box-shadow:inset 0 0 0 1px rgba(37,224,255,.24)}

.nav-side{display:flex;align-items:center;gap:14px;flex:none}
.nav-tel{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);transition:.2s}
.nav-tel:hover{color:var(--cyan)}
.nav-tel svg{width:17px;height:17px}

.nav-toggle{
  display:none;width:40px;height:36px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);align-content:center;gap:4px;padding:0 9px;cursor:pointer;
}
.nav-toggle span{height:1.6px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

@media (max-width:1080px){
  .nav-menu a{padding:8px 10px;font-size:14px}
  .nav-tel{display:none}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav-menu{
    position:absolute;left:18px;right:18px;top:calc(100% + 8px);
    display:grid;gap:2px;margin:0;padding:8px;
    background:rgba(9,17,40,.98);border:1px solid var(--line);border-radius:14px;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s;
    box-shadow:0 24px 60px rgba(0,0,0,.55);
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{padding:11px 14px}
}
@media (max-width:520px){
  .nav-side .btn{display:none}
}

/* ===== 首屏 ===== */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:96px 0 0;
  background:
    radial-gradient(900px 500px at 15% 20%,rgba(37,120,255,.2),transparent 62%),
    radial-gradient(700px 500px at 60% 90%,rgba(139,92,246,.16),transparent 60%),
    var(--bg);
}
.hero-visual{position:absolute;inset:0 0 0 auto;width:56%;z-index:-1}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--bg) 2%,rgba(5,11,31,.86) 28%,rgba(5,11,31,.3) 70%,rgba(5,11,31,.75) 100%);
}
.hero-inner{padding-bottom:96px}
.hero-copy{max-width:780px}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;color:#bfe6ff;
  background:rgba(37,224,255,.1);border:1px solid rgba(37,224,255,.3);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(37,224,255,.6);animation:ping 1.8s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(37,224,255,0)}100%{box-shadow:0 0 0 0 rgba(37,224,255,0)}}

.hero h1{
  margin:22px 0 18px;font-size:clamp(26px,4vw,50px);line-height:1.26;letter-spacing:.5px;
  text-shadow:0 4px 40px rgba(0,0,0,.6);
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan),#7cc4ff 45%,#b79bff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#c3d2ee;font-size:17px;max-width:34em}
.hero-sub b{color:var(--cyan)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 28px}
.hero-ticks{display:flex;flex-wrap:wrap;gap:10px 26px}
.hero-ticks li{position:relative;padding-left:22px;font-size:14px;color:#a9bcdd}
.hero-ticks li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:7px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(-45deg);
}

.hero-stats{border-top:1px solid var(--line);background:rgba(4,9,24,.55);backdrop-filter:blur(8px)}
.hero-stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:30px}
.hero-stats b{display:block;font-size:36px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.5px}
.hero-stats span{font-size:13.5px;color:var(--muted)}
@media (max-width:900px){
  .hero{padding-top:64px}
  .hero-visual{width:100%;opacity:.5}
  .hero-visual::after{background:linear-gradient(180deg,rgba(5,11,31,.6),rgba(5,11,31,.9) 70%,var(--bg))}
  .hero-inner{padding-bottom:60px}
  .hero-stats-inner{grid-template-columns:repeat(2,1fr);gap:18px;padding-block:24px}
  .hero-stats b{font-size:28px}
}

/* ===== 跑马灯 ===== */
.marquee{overflow:hidden;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);padding:13px 0}
.marquee-track{display:flex;gap:44px;width:max-content;animation:mv 32s linear infinite}
.marquee-track span{font-size:13px;color:var(--dim);white-space:nowrap;display:flex;align-items:center;gap:44px}
.marquee-track span::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--line-2)}
@keyframes mv{to{transform:translateX(-50%)}}

/* ===== 通用区块 ===== */
.sec{padding:96px 0}
.sec-alt{background:linear-gradient(180deg,transparent,rgba(37,90,200,.07),transparent)}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center;max-width:720px;margin-inline:auto}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.kicker{display:inline-block;font-size:12px;letter-spacing:2.6px;font-weight:700;color:var(--cyan);margin-bottom:12px}
.sec-head h2,.split-txt h2{font-size:clamp(24px,2.6vw,36px);line-height:1.35;margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15.5px}
@media (max-width:640px){.sec{padding:64px 0}.sec-head{margin-bottom:32px}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .marquee-track{animation:none}
}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.steps li{
  position:relative;padding:28px 24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  transition:.28s;
}
.steps li:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--panel-2)}
.step-no{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;margin-bottom:16px;
  font-size:15px;font-weight:800;color:var(--cyan);
  background:rgba(37,224,255,.1);border:1px solid rgba(37,224,255,.25);
}
.steps h3{font-size:18px;margin-bottom:8px}
.steps p{color:var(--muted);font-size:14.5px}

/* ===== 筛查器 ===== */
.screen-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:980px){.screen-grid{grid-template-columns:1fr}}

.screener{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  border:1px solid var(--line);border-radius:22px;padding:32px;
}
@media (max-width:640px){.screener{padding:20px}}
.screener-bar{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.progress{flex:1;height:6px;border-radius:6px;background:rgba(255,255,255,.09);overflow:hidden}
.progress i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .45s cubic-bezier(.22,1,.36,1)}
.screener-bar span{font-size:13px;color:var(--muted);white-space:nowrap}

.fstep{display:none;animation:fade .4s ease}
.fstep.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateX(14px)}}
.fstep h4{font-size:15.5px;margin:24px 0 12px;color:#dbe6ff}
.fstep h4:first-child{margin-top:0}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:10px 17px;border-radius:11px;font-size:14px;cursor:pointer;transition:.18s;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
}
.chip:hover{border-color:var(--line-2);color:#fff}
.chip.on{
  color:#04101f;font-weight:600;border-color:transparent;
  background:linear-gradient(100deg,var(--cyan),#5aa4ff);
  box-shadow:0 6px 16px -6px rgba(37,180,255,.8);
}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.field{display:block;margin-top:18px}
.field span{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;
  background:rgba(3,8,22,.6);border:1px solid var(--line);
  outline:none;transition:.2s;resize:vertical;font-size:15px;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(37,224,255,.13)}
.field input::placeholder,.field textarea::placeholder{color:#55648a}

.agree{display:flex;gap:12px;margin-top:20px;font-size:13.5px;color:var(--muted);line-height:1.7;cursor:pointer}
.agree input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--cyan);cursor:pointer}
.agree b{color:#cfe0ff}

.screener-foot{display:flex;gap:12px;margin-top:28px}
.screener-foot .btn{min-width:130px}
.screener-foot #btnNext{margin-left:auto}
.form-tip{margin-top:12px;font-size:13.5px;color:#ff9a9a;min-height:1em;text-align:right}
@media (max-width:560px){
  .screener-foot .btn{flex:1;min-width:0}
  .form-tip{text-align:center}
}

/* 侧栏说明 */
.screen-side{display:grid;gap:16px;position:sticky;top:calc(var(--nav-h) + 24px)}
@media (max-width:980px){.screen-side{position:static;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}}
.side-card{padding:22px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line)}
.side-card h4{font-size:16px;margin:14px 0 8px}
.side-card p{font-size:14px;color:var(--muted)}
.side-card.warn{border-left:3px solid var(--cyan);background:rgba(37,224,255,.05)}
.side-card.warn h4{margin-top:0;color:#bfe6ff}

/* 比对动画 */
.analyzing{
  padding:56px 24px;border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));text-align:center;
}
.radar{position:relative;width:120px;height:120px;margin:0 auto 28px;display:grid;place-items:center}
.radar i{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(37,224,255,.5);animation:radar 2.4s ease-out infinite}
.radar i:nth-child(2){animation-delay:.8s}
.radar i:nth-child(3){animation-delay:1.6s}
.radar span{
  width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:#04101f;letter-spacing:1px;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 40px rgba(37,180,255,.6);
}
@keyframes radar{from{transform:scale(.45);opacity:1}to{transform:scale(1);opacity:0}}
.log{text-align:left;display:grid;gap:11px;max-width:400px;margin:0 auto;font-size:14.5px}
.log li{display:flex;gap:11px;color:var(--muted);opacity:0;animation:logIn .45s ease forwards}
@keyframes logIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.log li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-top:9px;flex:none;box-shadow:0 0 8px var(--cyan)}
.log li.done{color:#b9c9e8}

/* 结果 */
.result-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.result-head h3{font-size:20px}
.result-head b{color:var(--cyan);font-size:26px}
.result-list{display:grid;gap:16px}
.result-note{margin-top:20px;font-size:13px;color:var(--dim);line-height:1.8}
.result-note b{color:#c9d7f2}

/* ===== 项目卡片 ===== */
.tabs{display:flex;gap:10px;flex-wrap:wrap}
.tab{
  white-space:nowrap;padding:9px 18px;border-radius:999px;font-size:14px;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);transition:.2s;
}
.tab:hover{color:#fff;border-color:var(--line-2)}
.tab.is-on{color:#04101f;font-weight:600;background:linear-gradient(100deg,var(--cyan),#5aa4ff);border-color:transparent}
@media (max-width:640px){
  .tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
}

.trial-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}
@media (max-width:640px){.trial-list{grid-template-columns:1fr}}
.trial{
  display:flex;flex-direction:column;padding:24px;border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.022));
  border:1px solid var(--line);transition:.28s;animation:fade .45s ease;
}
.trial:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 24px 50px -24px rgba(0,0,0,.9)}
.trial-top{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.badge{font-size:12px;padding:4px 10px;border-radius:7px;font-weight:600}
.badge.phase{color:var(--cyan);background:rgba(37,224,255,.12);border:1px solid rgba(37,224,255,.25)}
.badge.area{color:#c7b8ff;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.3)}
.badge.open{color:var(--green);background:rgba(47,217,160,.12);border:1px solid rgba(47,217,160,.28);margin-left:auto}
.trial h3{font-size:17.5px;line-height:1.55;margin-bottom:14px}
.trial-meta{display:grid;gap:6px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.trial-meta i{font-style:normal;color:var(--dim);display:inline-block;min-width:70px}
.trial-foot{display:flex;align-items:center;gap:18px;border-top:1px dashed var(--line);padding-top:18px;margin-top:auto}
.score{flex:1;min-width:0}
.score-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:7px}
.score-top b{color:#fff;font-variant-numeric:tabular-nums;font-size:14px}
.bar{height:6px;border-radius:6px;background:rgba(255,255,255,.09);overflow:hidden}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--cyan),var(--violet));width:0;transition:width 1s cubic-bezier(.22,1,.36,1)}
.trial-foot .btn{flex:none}

/* ===== 图片 ===== */
.figure{margin:0;border-radius:20px;overflow:hidden;border:1px solid var(--line);position:relative;background:var(--bg-2)}
.figure img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:.6s}
.figure:hover img{transform:scale(1.03)}
.figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:40px 22px 18px;
  font-size:13.5px;color:#cddcf7;
  background:linear-gradient(180deg,transparent,rgba(4,10,26,.9));
}

/* ===== 能力卡 ===== */
.cards{display:grid;gap:18px}
.cards-2{grid-template-columns:1fr 1fr}
@media (max-width:560px){.cards-2{grid-template-columns:1fr}}
.card{padding:24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:.28s}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--panel-2)}
.card h3{font-size:17px;margin:16px 0 8px}
.card p{font-size:14px;color:var(--muted)}
.ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center}
.ico svg{width:24px;height:24px}
.ico-cyan{color:var(--cyan);background:rgba(37,224,255,.12)}
.ico-blue{color:#6ba6ff;background:rgba(59,125,255,.14)}
.ico-violet{color:#b39bff;background:rgba(139,92,246,.15)}
.ico-green{color:var(--green);background:rgba(47,217,160,.12)}

/* ===== 分栏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-reverse .figure{order:2}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:28px}
  .split-reverse .figure{order:0}
}
.split-txt p{color:var(--muted);font-size:15.5px;margin-bottom:22px}
.ticks{display:grid;gap:12px;margin-bottom:28px}
.ticks li{position:relative;padding-left:28px;font-size:15px;color:#cbd8f2}
.ticks li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(-45deg);border-radius:1px;
}

/* ===== 权益 ===== */
.rights-split{align-items:stretch}
.rights{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:center}
@media (max-width:560px){.rights{grid-template-columns:1fr}}
.right-item{
  padding:18px 20px;border-radius:13px;
  background:var(--panel);border:1px solid var(--line);
  border-left:3px solid var(--cyan);transition:.25s;
}
.right-item:hover{background:var(--panel-2);transform:translateX(3px)}
.right-item b{display:block;font-size:15.5px;margin-bottom:5px}
.right-item span{font-size:13.5px;color:var(--muted)}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.faq details:hover{border-color:var(--line-2)}
.faq details[open]{background:var(--panel-2)}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;font-size:16px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:26px;width:9px;height:9px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);transition:.25s;
}
.faq details[open] summary::after{transform:rotate(-135deg);top:30px}
.faq details p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);max-width:74ch}

/* ===== CTA ===== */
.cta-wrap{padding:0 0 96px}
.cta{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:52px 56px;border-radius:26px;
  background:
    radial-gradient(600px 260px at 20% 0%,rgba(37,224,255,.22),transparent 70%),
    linear-gradient(120deg,rgba(59,125,255,.22),rgba(139,92,246,.16));
  border:1px solid var(--line-2);
}
@media (max-width:640px){.cta{padding:34px 24px;text-align:center;justify-content:center}.cta-wrap{padding-bottom:64px}}
.cta h2{font-size:clamp(21px,2.4vw,30px);margin-bottom:10px}
.cta p{color:#c4d3ef;font-size:15.5px}
.cta-act{display:grid;gap:12px;justify-items:center}
.cta-note{font-size:13px;color:var(--muted)}

/* ===== 页脚 ===== */
.footer{padding:64px 0 36px;background:#040a1a;border-top:1px solid var(--line)}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
@media (max-width:900px){.foot-top{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.foot-top{grid-template-columns:1fr}}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:16px;max-width:34em}
.foot-tel{color:var(--muted)}
.foot-tel b{color:var(--cyan);font-size:17px;letter-spacing:.5px}
.foot-col h5{font-size:14.5px;margin-bottom:16px;color:#dbe6ff}
.foot-col a{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--cyan)}

.disclaimer{
  padding:18px 22px;border-radius:14px;margin-bottom:22px;
  font-size:14px;line-height:1.85;color:#b9c8e6;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  border-left:3px solid var(--cyan);
}

/* 备案信息条 */
.beian{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:10px 34px;padding-top:22px;border-top:1px solid rgba(120,170,255,.1);
}
.beian a,.beian span{
  font-size:12.5px;color:#8fa2c4;line-height:1.9;
  display:inline-flex;align-items:center;gap:6px;transition:.2s;
}
.beian a:hover{color:var(--cyan)}
.beian .gongan svg{width:15px;height:15px;flex:none}
.copyright{margin-top:14px;text-align:center;font-size:12px;color:#5b6c8e}

/* ===== 详情弹窗 ===== */
.modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-box .badge.open{margin-left:0}
.modal-mask{position:absolute;inset:0;background:rgba(2,6,18,.78);backdrop-filter:blur(6px);animation:fadeIn .25s ease}
@keyframes fadeIn{from{opacity:0}}
.modal-box{
  position:relative;width:100%;max-width:680px;max-height:86vh;overflow:auto;
  padding:36px;border-radius:22px;
  background:linear-gradient(180deg,#0d1730,#080f22);
  border:1px solid var(--line-2);box-shadow:0 40px 100px rgba(0,0,0,.7);
  animation:popIn .3s cubic-bezier(.22,1,.36,1);
}
@keyframes popIn{from{opacity:0;transform:translateY(16px) scale(.98)}}
@media (max-width:640px){.modal{padding:12px}.modal-box{padding:24px 20px}}
.modal-x{
  position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:10px;cursor:pointer;
  display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);color:var(--muted);transition:.2s;
}
.modal-x:hover{color:#fff;border-color:var(--line-2)}
.modal-x svg{width:18px;height:18px}
.modal-box h3{font-size:21px;line-height:1.5;margin:14px 0 18px;padding-right:40px}
.modal-box h5{font-size:14px;color:#dbe6ff;margin:24px 0 10px}
.modal-info{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.modal-info{grid-template-columns:1fr}}
.modal-info div{padding:12px 14px;border-radius:11px;background:var(--panel);border:1px solid var(--line)}
.modal-info i{display:block;font-style:normal;font-size:12px;color:var(--dim);margin-bottom:2px}
.modal-info b{font-size:14.5px;font-weight:600}
.modal-crit{display:grid;gap:8px}
.modal-crit li{position:relative;padding-left:24px;font-size:14px;color:var(--muted)}
.modal-crit li::before{
  content:"";position:absolute;left:2px;top:8px;width:12px;height:7px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg);
}
.modal-foot{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.modal-note{font-size:12.5px;color:var(--dim);flex:1;min-width:200px;line-height:1.7}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:28px;bottom:28px;z-index:69;
  width:48px;height:48px;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;
  background:rgba(9,18,42,.9);border:1px solid var(--line-2);color:var(--text);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s;
  backdrop-filter:blur(10px);
}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}
.to-top svg{width:20px;height:20px}
.to-top.show{opacity:1;visibility:visible;transform:none}
@media (max-width:640px){.to-top{right:16px;bottom:16px;width:42px;height:42px}}