/* ==========================================================================
   NHC · New Human Community  官方站点样式
   主题：星域暗色（呼应「宇宙天体谱系」等级体系）
   ========================================================================== */

:root{
  --bg:#05070f;
  --bg-soft:#0a0e1d;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.065);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.17);

  --text:#e9edf9;
  --text-dim:#a9b3ce;
  --text-mute:#6e7997;

  --teal:#3fe0c4;
  --violet:#7d6bff;
  --amber:#ffb757;
  --rose:#ff6f8f;
  --sky:#57b6ff;

  --grad:linear-gradient(120deg,#3fe0c4 0%,#7d6bff 55%,#c47cff 100%);
  --grad-soft:linear-gradient(120deg,rgba(63,224,196,.18),rgba(125,107,255,.18));

  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --maxw:1180px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.85);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.78;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 720px at 10% -10%,rgba(63,224,196,.15),transparent 62%),
    radial-gradient(900px 640px at 94% 2%,rgba(125,107,255,.20),transparent 64%),
    radial-gradient(900px 820px at 50% 112%,rgba(196,124,255,.10),transparent 62%),
    linear-gradient(180deg,#05070f 0%,#070a16 42%,#05070f 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:750;letter-spacing:-.012em}
p{margin:0}
::selection{background:rgba(125,107,255,.38)}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:60px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--teal);font-weight:650;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.65}
.section-head.center .eyebrow::before{display:none}
.h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:18px}
.h3{font-size:clamp(19px,2vw,23px);margin-bottom:12px}
.lead{color:var(--text-dim);font-size:clamp(15.5px,1.35vw,18px);line-height:1.85}
.muted{color:var(--text-mute)}
.small{font-size:13.5px;line-height:1.7}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:650;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,border-color .22s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#04070e;box-shadow:0 14px 34px -14px rgba(125,107,255,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px -14px rgba(125,107,255,1)}
.btn-ghost{border-color:var(--border-strong);color:var(--text);background:var(--surface)}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(255,255,255,.32);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn svg{width:15px;height:15px;flex:none}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s,background .3s;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.07),transparent 42%);
  opacity:0;transition:opacity .3s;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:var(--surface-2)}
.card:hover::after{opacity:1}
.card h3{font-size:19px;margin-bottom:11px}
.card p{color:var(--text-dim);font-size:14.8px;line-height:1.8}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:20px;background:var(--grad-soft);border:1px solid var(--border);
}
.card-icon svg{width:22px;height:22px}
.card-icon i{font-style:normal;font-size:19px}

.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);
}
.pill-dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none}
.pill.warn .pill-dot{background:var(--amber)}

.tag{
  display:inline-block;padding:6px 14px;border-radius:9px;font-size:13.5px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-dim);
}

.callout{
  border-radius:var(--radius);border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(63,224,196,.07),rgba(125,107,255,.07));
  padding:26px 28px;
}
.callout.warnb{border-color:rgba(255,183,87,.32);background:linear-gradient(120deg,rgba(255,183,87,.09),rgba(255,111,143,.05))}
.callout h4{font-size:15.5px;margin-bottom:9px;color:var(--text)}
.callout p,.callout li{font-size:14.6px;color:var(--text-dim);line-height:1.85}
.callout ul{display:grid;gap:8px;margin-top:8px}
.callout ul li{position:relative;padding-left:19px}
.callout ul li::before{content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--teal);opacity:.85}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(5,7,15,.62);border-bottom:1px solid transparent;transition:.3s;
}
.site-header.scrolled{background:rgba(5,7,15,.92);border-bottom-color:var(--border)}
.nav{max-width:var(--maxw);margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;font-weight:800;font-size:14px;color:#04070e;
  letter-spacing:-.03em;box-shadow:0 10px 26px -10px rgba(125,107,255,.9);flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;letter-spacing:.02em}
.brand-text span{font-size:9.5px;color:var(--text-mute);letter-spacing:.17em;text-transform:uppercase}
.nav-links{display:flex;gap:3px;margin-left:auto;align-items:center}
.nav-links a{padding:9px 15px;border-radius:10px;font-size:14.5px;color:var(--text-dim);transition:.2s}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a.active{color:var(--text);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--border-strong)}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--border);background:var(--surface);place-items:center;margin-left:auto}
.nav-toggle span{display:block;width:17px;height:1.6px;background:var(--text);border-radius:2px;transition:.25s;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:17px;height:1.6px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle span::before{top:-5.5px}
.nav-toggle span::after{top:5.5px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:rotate(45deg);top:0}
.nav-toggle.open span::after{transform:rotate(-45deg);top:0}

/* ---------- 英雄区 ---------- */
.hero{position:relative;padding:104px 0 84px;overflow:hidden}
#stars{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.75}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;
  border-radius:999px;background:var(--surface);border:1px solid var(--border);
  font-size:13px;color:var(--text-dim);margin-bottom:30px;
}
.hero-badge b{background:var(--grad);color:#04070e;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:800;letter-spacing:.06em}
.hero h1{font-size:clamp(38px,6.4vw,70px);line-height:1.1;letter-spacing:-.028em;margin-bottom:26px;font-weight:780}
.hero-lead{font-size:clamp(16px,1.6vw,19px);color:var(--text-dim);line-height:1.88;max-width:720px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.hero-meta{display:flex;gap:44px;flex-wrap:wrap;padding-top:34px;border-top:1px solid var(--border)}
.hero-meta div{display:flex;flex-direction:column;gap:3px}
.hero-meta b{font-size:26px;font-weight:750;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-meta span{font-size:12.5px;color:var(--text-mute);letter-spacing:.05em}

/* ---------- 页头（子页面） ---------- */
.page-hero{position:relative;padding:80px 0 62px;border-bottom:1px solid var(--border);overflow:hidden}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 320px at 18% 0%,rgba(125,107,255,.20),transparent 70%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);margin-bottom:18px;letter-spacing:-.024em}
.crumb{font-size:13px;color:var(--text-mute);margin-bottom:20px;display:flex;gap:9px;align-items:center}
.crumb a:hover{color:var(--teal)}

/* ---------- 三值卡片 ---------- */
.value-card{
  position:relative;border-radius:var(--radius-lg);padding:34px 30px;
  background:var(--surface);border:1px solid var(--border);overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s;
}
.value-card:hover{transform:translateY(-5px);border-color:var(--border-strong)}
.value-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--vc,var(--grad))}
.vc-nhc{--vc:linear-gradient(90deg,#3fe0c4,#57b6ff)}
.vc-exp{--vc:linear-gradient(90deg,#57b6ff,#7d6bff)}
.vc-medal{--vc:linear-gradient(90deg,#7d6bff,#c47cff)}
.value-key{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}
.value-key b{font-size:27px;letter-spacing:-.02em}
.value-key em{font-style:normal;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-mute)}
.value-card .role{font-size:13px;color:var(--teal);font-weight:600;margin-bottom:18px;letter-spacing:.03em}
.value-card p{font-size:14.6px;color:var(--text-dim);line-height:1.85}
.value-card ul{display:grid;gap:9px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--border)}
.value-card ul li{position:relative;padding-left:20px;font-size:14.2px;color:var(--text-dim);line-height:1.78}
.value-card ul li::before{content:"";position:absolute;left:3px;top:.7em;width:5px;height:5px;border-radius:50%;background:var(--teal);opacity:.8}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);overflow-x:auto;
}
table{width:100%;border-collapse:collapse;min-width:600px}
th,td{padding:15px 20px;text-align:left;font-size:14.4px;vertical-align:top;border-bottom:1px solid var(--border)}
th{background:rgba(255,255,255,.045);font-weight:700;font-size:13px;letter-spacing:.05em;color:var(--text);white-space:nowrap}
td{color:var(--text-dim);line-height:1.78}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:rgba(255,255,255,.022)}
td strong{color:var(--text);font-weight:650}

/* ---------- 分配条 ---------- */
.stack-bar{display:flex;height:60px;border-radius:14px;overflow:hidden;border:1px solid var(--border)}
.stack-seg{display:grid;place-items:center;font-size:13px;font-weight:700;color:#04070e;position:relative;transition:.3s;cursor:default;min-width:0}
.stack-seg:hover{filter:brightness(1.14)}
.stack-seg span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 6px}
.seg-40{background:linear-gradient(135deg,#3fe0c4,#4fd6e8);flex:40}
.seg-20a{background:linear-gradient(135deg,#57b6ff,#7d9bff);flex:20}
.seg-20b{background:linear-gradient(135deg,#7d6bff,#9c7cff);flex:20}
.seg-10{background:linear-gradient(135deg,#b18cff,#c47cff);flex:10;color:#0a0518}
.seg-pool{background:rgba(255,255,255,.12);color:var(--text);flex:10;flex:10}

.alloc-legend{display:grid;gap:11px;margin-top:22px}
.alloc-legend li{display:flex;align-items:center;gap:13px;font-size:14.4px;color:var(--text-dim)}
.alloc-legend i{width:12px;height:12px;border-radius:4px;flex:none}
.alloc-legend b{margin-left:auto;color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:17px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(63,224,196,.6),rgba(125,107,255,.5),transparent)}
.timeline-item{position:relative;padding:0 0 30px 56px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:10px;top:8px;width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--teal);box-shadow:0 0 0 4px rgba(63,224,196,.1);
}
.timeline-item h4{font-size:16.5px;margin-bottom:7px}
.timeline-item p{font-size:14.4px;color:var(--text-dim);line-height:1.8}
.timeline-item .step{font-size:11.5px;letter-spacing:.16em;color:var(--text-mute);text-transform:uppercase;display:block;margin-bottom:5px}

/* ---------- 等级阶梯 ---------- */
.ladder{display:grid;gap:12px}
.ladder-item{
  display:flex;align-items:center;gap:20px;padding:18px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);transition:.28s;
}
.ladder-item:hover{background:var(--surface-2);border-color:var(--border-strong);transform:translateX(5px)}
.ladder-badge{
  width:52px;height:52px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-size:20px;border:1px solid var(--border-strong);background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.2),transparent 62%)
}
.ladder-body{flex:1;min-width:0}
.ladder-body b{display:block;font-size:16px;margin-bottom:3px}
.ladder-body span{font-size:13.4px;color:var(--text-mute)}
.ladder-th{font-size:13px;color:var(--text-dim);text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.ladder-th em{font-style:normal;color:var(--teal);font-weight:700}

/* ---------- 对比 / 说明块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.split-card{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);padding:30px}
.split-card.yes{border-color:rgba(63,224,196,.3)}
.split-card.no{border-color:rgba(255,111,143,.3)}
.split-card h4{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.split-card .badge-x{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;background:rgba(63,224,196,.16);color:var(--teal);flex:none}
.split-card.no .badge-x{background:rgba(255,111,143,.16);color:var(--rose)}
.split-card li{position:relative;padding-left:22px;font-size:14.4px;color:var(--text-dim);line-height:1.82;margin-bottom:10px}
.split-card li:last-child{margin-bottom:0}
.split-card li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--teal);opacity:.8}
.split-card.no li::before{background:var(--rose)}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.price-card{
  border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface);
  padding:30px 26px;position:relative;display:flex;flex-direction:column;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s;
}
.price-card:hover{transform:translateY(-5px);border-color:var(--border-strong)}
.price-card.hot{border-color:rgba(125,107,255,.5);background:linear-gradient(165deg,rgba(125,107,255,.12),rgba(63,224,196,.05))}
.price-card .flag{
  position:absolute;top:-11px;left:26px;padding:4px 13px;border-radius:999px;
  font-size:11.5px;font-weight:750;background:var(--grad);color:#04070e;letter-spacing:.04em;
}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px}
.price-sub{font-size:12.6px;color:var(--text-mute);margin-bottom:22px}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:6px}
.price-amount b{font-size:32px;font-weight:760;letter-spacing:-.025em}
.price-amount small{font-size:14px;color:var(--text-mute)}
.price-nhc{font-size:14px;color:var(--teal);font-weight:650;margin-bottom:22px}
.price-card ul{display:grid;gap:9px;margin-top:auto;padding-top:20px;border-top:1px dashed var(--border)}
.price-card ul li{font-size:13.6px;color:var(--text-dim);position:relative;padding-left:19px;line-height:1.72}
.price-card ul li::before{content:"";position:absolute;left:2px;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--teal)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.4px;color:var(--text-dim);font-weight:600}
.field label i{font-style:normal;color:var(--rose)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:12px;font-family:inherit;font-size:14.6px;
  background:rgba(255,255,255,.035);border:1px solid var(--border);color:var(--text);
  transition:.22s;outline:none;line-height:1.6;
}
.field textarea{resize:vertical;min-height:118px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-mute) 50%),linear-gradient(135deg,var(--text-mute) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;cursor:pointer}
.field select option{background:#0a0e1d;color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(125,107,255,.65);background:rgba(125,107,255,.07);box-shadow:0 0 0 4px rgba(125,107,255,.1)}
.field input::placeholder,.field textarea::placeholder{color:var(--text-mute);opacity:.75}
.form-note{font-size:13px;color:var(--text-mute);line-height:1.7;margin-top:6px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:.25s}
.faq-item.open{border-color:var(--border-strong);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 24px;font-size:15.6px;font-weight:650;color:var(--text);
}
.faq-q .ico{margin-left:auto;width:22px;height:22px;flex:none;position:relative;opacity:.6}
.faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:.26s}
.faq-q .ico::before{left:0;top:10px;width:22px;height:1.6px}
.faq-q .ico::after{left:10px;top:0;width:1.6px;height:22px}
.faq-item.open .ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.2,.7,.3,1)}
.faq-a-inner{padding:0 24px 22px;color:var(--text-dim);font-size:14.5px;line-height:1.86}
.faq-a-inner strong{color:var(--text)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);padding:58px 48px;text-align:center;
  background:linear-gradient(125deg,rgba(63,224,196,.13),rgba(125,107,255,.17) 55%,rgba(196,124,255,.13));
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 240px at 50% -30%,rgba(255,255,255,.14),transparent 70%);
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px}
.cta-band p{color:var(--text-dim);max-width:620px;margin:0 auto 30px;font-size:15.6px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border);padding:64px 0 34px;margin-top:20px;background:rgba(4,6,13,.6)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-brand p{font-size:13.8px;color:var(--text-mute);line-height:1.85;margin-top:16px;max-width:330px}
.footer-col h5{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--text);margin:0 0 18px;font-weight:700}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--text-mute);margin-bottom:11px;transition:.2s}
.footer-col a:hover{color:var(--teal)}
.footer-bottom{border-top:1px solid var(--border);padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.8px;color:var(--text-mute);line-height:1.8}
.footer-bottom .disc{max-width:840px}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 杂项 ---------- */
.kv-list{display:grid;gap:14px}
.kv-list li{display:flex;gap:16px;font-size:14.6px;color:var(--text-dim);line-height:1.8}
.kv-list b{flex:none;width:110px;color:var(--text);font-weight:650}
.divider{height:1px;background:var(--border);margin:64px 0}
.center{text-align:center}
.mt24{margin-top:24px}
.mt40{margin-top:40px}
.mb0{margin-bottom:0}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:13px;font-size:14.6px;color:var(--text-dim);line-height:1.82}
.check-list li svg{width:19px;height:19px;flex:none;margin-top:4px;color:var(--teal)}

/* ---------- 联系页 · 扫码加入 ---------- */
.qr-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
.qr-stack{display:grid;gap:22px;grid-template-rows:1fr 1fr}
.qr-card{display:flex;flex-direction:column;padding:30px}
.qr-card h3{margin-bottom:10px}
.qr-body{display:flex;flex-direction:column;flex:1}
.qr-body p{flex:1}
.qr-media{
  border-radius:var(--radius-sm);overflow:hidden;
  background:linear-gradient(150deg,#f5f7fc,#e8ecf6);
  border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;padding:12px;margin-bottom:22px;
}
.qr-media img{border-radius:8px;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.qr-card:hover .qr-media img{transform:scale(1.035)}
.qr-media-wide{padding:18px 22px}
.qr-media-wide img{width:100%}
.qr-thumb{width:124px;height:124px;flex:none;padding:8px;margin:0}
.qr-row{flex-direction:row;align-items:center;gap:24px}
@media (max-width:880px){
  .qr-grid{grid-template-columns:1fr}
  .qr-stack{grid-template-rows:auto}
}
@media (max-width:600px){
  .qr-row{flex-direction:column;align-items:stretch}
  .qr-thumb{width:100%;height:auto;max-width:230px;margin:0 auto 6px}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .g4,.price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:880px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(6,9,18,.98);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);
    padding:14px 20px 22px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .g3,.g2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .section{padding:70px 0}
  .hero{padding:70px 0 60px}
  .hero-meta{gap:28px}
  .cta-band{padding:44px 24px}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .g4,.price-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta b{font-size:22px}
  .ladder-item{gap:14px;padding:16px 18px}
  .ladder-th{display:none}
  .stack-bar{height:48px}
  .stack-seg{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}