/* ============================================================
   火星造品工坊 · 共享样式系统
   主题：深空暗色 + 火星红橙
   ============================================================ */

:root{
  --bg:#08080e;
  --bg-2:#0c0c15;
  --surface:#12121c;
  --surface-2:#181826;
  --surface-3:#1f1f30;
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.14);
  --text:#f4f4f8;
  --muted:#9c9cb6;
  --dim:#6a6a84;

  --mars:#ff4d2e;
  --mars-2:#ff7a45;
  --amber:#ffb347;
  --cyan:#3fd8ea;
  --violet:#8f7cff;
  --green:#37d99a;

  --grad-mars:linear-gradient(135deg,#ff4d2e 0%,#ff8a3d 55%,#ffb347 100%);
  --grad-cool:linear-gradient(135deg,#8f7cff 0%,#3fd8ea 100%);

  --radius:14px;
  --radius-lg:22px;
  --radius-sm:10px;
  --maxw:1200px;
  --nav-h:70px;

  --shadow:0 20px 50px -20px rgba(0,0,0,.8);
  --shadow-mars:0 16px 44px -16px rgba(255,77,46,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 78% -6%,rgba(255,77,46,.16),transparent 62%),
    radial-gradient(760px 480px at 6% 4%,rgba(143,124,255,.12),transparent 60%),
    radial-gradient(700px 500px at 50% 108%,rgba(63,216,234,.07),transparent 62%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.narrow{max-width:920px}

/* ---------- 排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mars-2);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--grad-mars)}
h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:-.01em}
.h-hero{font-size:clamp(34px,5.6vw,64px);font-weight:800;letter-spacing:-.03em}
.h-sec{font-size:clamp(26px,3.4vw,42px);font-weight:800;letter-spacing:-.02em}
.h-card{font-size:18px;font-weight:700}
.lead{font-size:clamp(15px,1.6vw,18px);color:var(--muted)}
.grad-text{background:var(--grad-mars);-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(8,8,14,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav .wrap{display:flex;align-items:center;gap:28px;width:100%}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex-shrink:0}
.logo .mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;box-shadow:var(--shadow-mars)}
.logo .sub{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--dim);display:block;text-transform:uppercase;margin-top:-3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:8px 14px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:.2s var(--ease);white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--text);background:rgba(255,77,46,.12);box-shadow:inset 0 0 0 1px rgba(255,77,46,.28)}
.nav-cta{margin-left:8px}
.burger{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);place-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:11px;font-size:15px;font-weight:650;
  transition:.22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad-mars);color:#1a0d07;box-shadow:var(--shadow-mars)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px -14px rgba(255,77,46,.62)}
.btn-ghost{border:1px solid var(--border-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--border-2);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}

/* ---------- 通用区块 ---------- */
section{padding:clamp(56px,8vw,104px) 0;position:relative}
.sec-head{max-width:720px;margin-bottom:clamp(34px,4vw,54px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{margin:14px 0 14px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-2),transparent)}

/* ---------- 卡片 ---------- */
.card{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-2) 100%);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;transition:.28s var(--ease);position:relative;overflow:hidden;
}
.card:hover{border-color:var(--border-2);transform:translateY(-4px)}
.card-glow:hover{box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.icon-badge{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  font-size:23px;background:rgba(255,77,46,.12);border:1px solid rgba(255,77,46,.24);margin-bottom:18px;
}
.icon-badge.cool{background:rgba(143,124,255,.12);border-color:rgba(143,124,255,.26)}
.icon-badge.green{background:rgba(55,217,154,.12);border-color:rgba(55,217,154,.26)}
.icon-badge.amber{background:rgba(255,179,71,.12);border-color:rgba(255,179,71,.26)}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(52px,7vw,92px);padding-bottom:clamp(48px,6vw,80px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{margin:20px 0 22px}
.hero .lead{max-width:540px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--border)}
.stat .num{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em;background:var(--grad-mars);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{font-size:12.5px;color:var(--dim);margin-top:2px}

/* 雷达视觉 */
.radar{
  position:relative;aspect-ratio:1;max-width:440px;margin:0 auto;width:100%;
  border-radius:50%;display:grid;place-items:center;
}
.radar .ring{position:absolute;border-radius:50%;border:1px solid rgba(255,77,46,.16)}
.radar .ring:nth-child(1){inset:0}
.radar .ring:nth-child(2){inset:15%;border-color:rgba(255,77,46,.2)}
.radar .ring:nth-child(3){inset:31%;border-color:rgba(255,179,71,.22)}
.radar .ring:nth-child(4){inset:47%;border-color:rgba(63,216,234,.24)}
.radar .cross{position:absolute;inset:0;border-radius:50%}
.radar .cross::before,.radar .cross::after{content:"";position:absolute;background:rgba(255,255,255,.05)}
.radar .cross::before{left:50%;top:0;bottom:0;width:1px}
.radar .cross::after{top:50%;left:0;right:0;height:1px}
.radar .sweep{
  position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg,rgba(255,77,46,0) 0deg,rgba(255,77,46,0) 300deg,rgba(255,77,46,.34) 350deg,rgba(255,179,71,.5) 360deg);
  animation:sweep 4.6s linear infinite;
  mask:radial-gradient(circle,#000 62%,transparent 63%);
  -webkit-mask:radial-gradient(circle,#000 62%,transparent 63%);
}
@keyframes sweep{to{transform:rotate(360deg)}}
.blip{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--mars);box-shadow:0 0 14px 3px rgba(255,77,46,.7)}
.blip::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1px solid rgba(255,77,46,.5);animation:pulse 2.4s ease-out infinite}
.blip.b1{top:24%;left:62%}
.blip.b2{top:56%;left:30%;animation-delay:.6s}
.blip.b3{top:70%;left:66%;animation-delay:1.1s}
.blip.b4{top:38%;left:22%;animation-delay:1.6s}
.blip.cy{background:var(--cyan);box-shadow:0 0 14px 3px rgba(63,216,234,.7)}
.blip.cy::after{border-color:rgba(63,216,234,.5)}
.blip.am{background:var(--amber);box-shadow:0 0 14px 3px rgba(255,179,71,.7)}
.blip.am::after{border-color:rgba(255,179,71,.5)}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.1);opacity:0}}
.radar-core{
  width:40%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;text-align:center;
  background:radial-gradient(circle at 50% 40%,rgba(255,77,46,.24),rgba(18,18,28,.9) 70%);
  border:1px solid rgba(255,77,46,.3);position:relative;z-index:3;
  box-shadow:0 0 60px -8px rgba(255,77,46,.45);
}
.radar-core .big{font-size:clamp(22px,3vw,30px);font-weight:800}
.radar-core .small{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}

/* ---------- 对比表 ---------- */
.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--border)}
.cmp th,.cmp td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
.cmp thead th{background:var(--surface-2);font-size:13px;color:var(--muted);font-weight:650;letter-spacing:.03em}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp td:first-child{color:var(--dim);font-weight:600;white-space:nowrap}
.cmp .col-us{background:rgba(255,77,46,.06);color:var(--text);font-weight:600}
.cmp thead th.col-us{background:rgba(255,77,46,.14);color:var(--mars-2)}

/* ---------- 支柱 ---------- */
.pillars{display:grid;gap:16px}
.pillar{
  display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;border-radius:var(--radius-lg);border:1px solid var(--border);
  background:var(--surface);cursor:pointer;transition:.25s var(--ease);text-align:left;width:100%;
}
.pillar:hover{border-color:var(--border-2);background:var(--surface-2)}
.pillar.open{border-color:rgba(255,77,46,.4);background:var(--surface-2);box-shadow:var(--shadow)}
.pillar .p-ico{font-size:26px;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.04);border:1px solid var(--border)}
.pillar .p-title{font-size:16.5px;font-weight:700;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pillar .p-desc{display:block;font-size:13.5px;color:var(--muted);margin-top:3px}
.pillar .p-pct{font-size:20px;font-weight:800;color:var(--mars-2);font-variant-numeric:tabular-nums}
.tag{font-size:11px;padding:3px 9px;border-radius:20px;background:rgba(255,77,46,.14);color:var(--mars-2);font-weight:600;border:1px solid rgba(255,77,46,.24)}
.pillar-body{display:none;padding:0 24px 24px 98px;color:var(--muted);font-size:14px}
.pillar.open .pillar-body{display:block;animation:fade .3s var(--ease)}
.pillar-body .shows{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.chip{font-size:12.5px;padding:6px 13px;border-radius:20px;background:var(--surface-3);border:1px solid var(--border);color:var(--muted)}
@keyframes fade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 榜单 ---------- */
.board{display:grid;gap:12px}
.row-item{
  display:grid;grid-template-columns:46px 1fr auto;gap:18px;align-items:center;
  padding:17px 20px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--surface);transition:.22s var(--ease);
}
.row-item:hover{background:var(--surface-2);border-color:var(--border-2);transform:translateX(4px)}
.rank{font-size:19px;font-weight:800;color:var(--dim);font-variant-numeric:tabular-nums;text-align:center}
.rank.top1{color:var(--mars);text-shadow:0 0 20px rgba(255,77,46,.6)}
.rank.top2{color:var(--amber)}
.rank.top3{color:var(--cyan)}
.row-title{font-weight:650;font-size:15px}
.row-meta{font-size:12.5px;color:var(--dim);margin-top:3px;display:flex;gap:12px;flex-wrap:wrap}
.row-meta .dot{color:var(--border-2)}
.row-kpis{display:flex;gap:22px;text-align:right}
.kpi .k{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.kpi .kl{font-size:11px;color:var(--dim)}
.kpi .k.hot{color:var(--mars-2)}
.kpi .k.cy{color:var(--cyan)}
.kpi .k.gr{color:var(--green)}

/* ---------- 5维模型 ---------- */
.dims{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.dim{
  padding:22px 18px;border-radius:var(--radius-lg);border:1px solid var(--border);
  background:linear-gradient(180deg,var(--surface),var(--bg-2));position:relative;transition:.26s var(--ease);
}
.dim:hover{transform:translateY(-6px);border-color:rgba(255,77,46,.34)}
.dim .d-no{font-size:12px;font-weight:700;color:var(--mars-2);letter-spacing:.14em}
.dim .d-ico{font-size:24px;margin:12px 0 10px}
.dim h4{font-size:15.5px;margin-bottom:8px}
.dim p{font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- 类目 ---------- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat{
  padding:20px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);
  transition:.24s var(--ease);cursor:pointer;
}
.cat:hover{border-color:rgba(255,77,46,.36);background:var(--surface-2);transform:translateY(-4px)}
.cat .c-emoji{font-size:26px}
.cat .c-name{font-weight:700;margin:11px 0 5px;font-size:15px}
.cat .c-dir{font-size:12.5px;color:var(--muted);line-height:1.55}

/* ---------- 定价 ---------- */
.pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.price{
  display:flex;flex-direction:column;padding:26px 22px;border-radius:var(--radius-lg);
  border:1px solid var(--border);background:linear-gradient(180deg,var(--surface),var(--bg-2));transition:.26s var(--ease);position:relative;
}
.price:hover{transform:translateY(-5px);border-color:var(--border-2)}
.price.feature{border-color:rgba(255,77,46,.5);background:linear-gradient(180deg,rgba(255,77,46,.09),var(--bg-2));box-shadow:var(--shadow-mars)}
.price .tier{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--dim);text-transform:uppercase}
.price .amount{font-size:27px;font-weight:800;margin:12px 0 4px;letter-spacing:-.02em}
.price .amount span{font-size:13px;font-weight:600;color:var(--muted)}
.price .who{font-size:12.5px;color:var(--muted);margin-bottom:18px;min-height:34px}
.price ul{display:grid;gap:10px;margin-bottom:22px;flex:1}
.price li{font-size:13.5px;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.price li::before{content:"✦";color:var(--mars-2);font-size:11px;margin-top:3px}
.badge-pop{position:absolute;top:-11px;right:20px;font-size:11px;font-weight:700;padding:4px 11px;border-radius:20px;background:var(--grad-mars);color:#1a0d07}

/* ---------- 流程 / 时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:flow}
.flow .step{text-align:center;position:relative;padding:0 6px}
.flow .step .dot{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;background:var(--surface-2);border:1px solid var(--border-2);font-weight:800;color:var(--mars-2);position:relative;z-index:2}
.flow .step::after{content:"";position:absolute;top:22px;left:50%;width:100%;height:1px;background:var(--border-2);z-index:1}
.flow .step:last-child::after{display:none}
.flow .step h4{font-size:14px;margin-bottom:4px}
.flow .step p{font-size:12px;color:var(--dim)}

/* ---------- CTA 带 ---------- */
.cta-band{
  border-radius:28px;padding:clamp(36px,5vw,64px);text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(255,77,46,.14),rgba(143,124,255,.1) 55%,rgba(63,216,234,.08));
  border:1px solid var(--border-2);
}
.cta-band h2{margin-bottom:14px}
.cta-band .lead{max-width:560px;margin:0 auto 30px}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--border);padding:56px 0 34px;background:var(--bg-2);position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:40px}
.foot-col h5{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.foot-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--mars-2)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--border);font-size:13px;color:var(--dim)}

/* ---------- 页面头 ---------- */
.page-hero{padding-top:clamp(48px,6vw,80px);padding-bottom:clamp(28px,3vw,44px);border-bottom:1px solid var(--border)}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:-.025em;margin:16px 0 14px}

/* ---------- 筛选 ---------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin:26px 0}
.filters .f{
  padding:8px 16px;border-radius:20px;font-size:13.5px;border:1px solid var(--border);
  background:var(--surface);color:var(--muted);transition:.2s var(--ease);
}
.filters .f:hover{color:var(--text);border-color:var(--border-2)}
.filters .f.on{background:var(--grad-mars);color:#1a0d07;font-weight:650;border-color:transparent}
.tabs{display:flex;gap:6px;background:var(--surface);padding:5px;border-radius:13px;border:1px solid var(--border);width:fit-content;flex-wrap:wrap}
.tabs .t{padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:var(--muted);transition:.2s var(--ease)}
.tabs .t.on{background:var(--surface-3);color:var(--text);box-shadow:0 4px 14px -6px rgba(0,0,0,.6)}

/* ---------- 揭示动画（仅在 JS 可用时生效，避免无 JS 时内容不可见） ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media print{.js .reveal{opacity:1!important;transform:none!important}}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .radar{max-width:340px}
  .dims{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(3,1fr)}
  .pricing{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr);row-gap:28px}
  .flow .step::after{display:none}
  .g4{grid-template-columns:repeat(2,1fr)}
}
/* 导航项增至 8 个后，提前折叠为汉堡菜单，避免中等屏幕拥挤 */
@media(max-width:1120px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg-2);border-bottom:1px solid var(--border);padding:14px;gap:4px;margin-left:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-cta{display:none}
  .burger{display:grid}
}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg-2);border-bottom:1px solid var(--border);padding:14px;gap:4px;margin-left:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-cta{display:none}
  .burger{display:grid}
  .g3,.g2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .pillar{grid-template-columns:auto 1fr;gap:14px}
  .pillar .p-pct{grid-column:2;text-align:left}
  .pillar-body{padding-left:24px}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .dims,.cats,.pricing,.g4{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .row-item{grid-template-columns:36px 1fr;gap:12px}
  .row-kpis{grid-column:2;justify-content:flex-start;text-align:left;gap:18px;margin-top:8px}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .cmp{font-size:13px}
  .cmp th,.cmp td{padding:11px 12px}
}