/* ============ QuickQ-Tou 青蓝科技主题 ============ */
:root {
  --tq-cyan: #0891b2;
  --tq-blue: #2563eb;
  --tq-grad: linear-gradient(105deg, #0891b2, #2563eb);
  --tq-ink: #0f172a;
  --tq-mut: #475569;
  --tq-dim: #94a3b8;
  --tq-line: #e2e8f0;
  --tq-bg: #f8fafc;
  --tq-card: #ffffff;
  --tq-r: 12px;
  --tq-sh: 0 8px 30px rgba(2, 132, 199, .12);
  --tq-f: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--tq-f); color: var(--tq-ink); background: var(--tq-bg); line-height: 1.75; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.tq-shell { width: min(1120px, 92%); margin: 0 auto; }

/* Header */
.tq-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(248, 250, 252, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--tq-line);
}
.tq-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.tq-brand { display: inline-flex; align-items: center; font-weight: 800; font-size: 21px; letter-spacing: .2px; text-decoration: none; }
.tq-brand img { margin-right: 9px; width: 32px; height: 32px; object-fit: cover; }
.tq-brand b { color: var(--tq-cyan); font-weight: 900; }
.tq-nav { display: flex; gap: 28px; font-size: 14.5px; color: var(--tq-mut); }
.tq-nav a:hover { color: var(--tq-blue); }
.tq-pill {
  display: inline-flex; align-items: center; gap: 6px; border-radius: 8px;
  font-weight: 700; cursor: pointer; border: none; transition: all .22s; white-space: nowrap;
}
.tq-pill-s { padding: 9px 16px; font-size: 13px; }
.tq-pill-m { padding: 13px 26px; font-size: 14.5px; }
.tq-pill-fill { background: var(--tq-grad); color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, .35); }
.tq-pill-fill:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(37, 99, 235, .45); }
.tq-pill-line { background: transparent; color: var(--tq-blue); border: 1.5px solid var(--tq-blue); }
.tq-pill-line:hover { background: rgba(37, 99, 235, .06); }
.tq-pill-pale { background: #fff; color: var(--tq-blue); box-shadow: 0 8px 22px rgba(2, 6, 23, .16); }
.tq-pill-pale:hover { transform: translateY(-2px); }
.tq-pill-off {
  background: #e2e8f0;
  color: #94a3b8;
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}
.tq-pill-off:hover { transform: none; box-shadow: none; }

/* Hero */
.tq-hero {
  padding: 70px 0 56px;
  background:
    linear-gradient(180deg, rgba(8, 145, 178, .08), transparent 55%),
    var(--tq-bg);
  overflow: hidden;
}
.tq-hero-in { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.tq-hero h1 { font-size: clamp(29px, 4.2vw, 48px); font-weight: 800; line-height: 1.24; letter-spacing: -.6px; margin: 16px 0 18px; }
.tq-hero h1 b { background: var(--tq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tq-hero-lead { font-size: 16px; color: var(--tq-mut); margin-bottom: 28px; }
.tq-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.tq-hero-note { font-size: 13px; color: var(--tq-dim); margin-top: 14px; }
.tq-pill-tag {
  display: inline-flex; gap: 7px; align-items: center; font-size: 12.5px; font-weight: 700;
  color: var(--tq-cyan); background: rgba(8, 145, 178, .1); border: 1px solid rgba(8, 145, 178, .25);
  padding: 5px 14px; border-radius: 6px;
}

/* Hero 终端 */
.tq-term { background: #0b1220; border-radius: 16px; padding: 18px 20px 22px; box-shadow: 0 24px 60px rgba(2, 6, 23, .35); }
.tq-term-dots { display: flex; gap: 7px; margin-bottom: 16px; }
.tq-term-dots i { width: 10px; height: 10px; border-radius: 50%; }
.tq-term-dots i:nth-child(1) { background: #f87171; }
.tq-term-dots i:nth-child(2) { background: #fbbf24; }
.tq-term-dots i:nth-child(3) { background: #34d399; }
.tq-console { font-family: Consolas, "Courier New", monospace; font-size: 13px; color: #a5f3fc; line-height: 2; }
.tq-console span.c1 { color: #67e8f9; }
.tq-console span.c2 { color: #fbbf24; }
.tq-console span.c3 { color: #34d399; }
.tq-ok { color: #34d399; font-weight: 700; }

/* 指标条 */
.tq-metrics { background: var(--tq-card); border-top: 1px solid var(--tq-line); border-bottom: 1px solid var(--tq-line); padding: 36px 0; }
.tq-metrics-in { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.tq-metric strong { font-size: clamp(30px, 3.4vw, 42px); font-weight: 800; background: var(--tq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tq-metric span { display: block; color: var(--tq-mut); font-size: 14.5px; margin-top: 3px; }

/* Section */
.tq-sec { padding: 80px 0; }
.tq-sec-alt { background: var(--tq-card); border-top: 1px solid var(--tq-line); border-bottom: 1px solid var(--tq-line); }
.tq-sec-head { text-align: center; max-width: 600px; margin: 0 auto 44px; }
.tq-sec-head h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; letter-spacing: -.4px; margin-bottom: 10px; }
.tq-sec-head p { color: var(--tq-mut); font-size: 15px; }
.tq-lab {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 2px;
  color: var(--tq-blue); text-transform: uppercase; margin-bottom: 12px;
}

.tq-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.tq-grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tq-box { background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: var(--tq-r); padding: 26px 22px; transition: all .3s; }
.tq-box:hover { transform: translateY(-5px); box-shadow: var(--tq-sh); border-color: rgba(37, 99, 235, .35); }
.tq-box .tq-emoji { font-size: 26px; margin-bottom: 14px; }
.tq-box h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 7px; }
.tq-box p { color: var(--tq-mut); font-size: 13.8px; }
.tq-box.flat { display: flex; gap: 16px; align-items: flex-start; }
.tq-box.flat .tq-emoji { margin-bottom: 0; font-size: 30px; }

/* 对比表 */
.tq-table { background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: 14px; overflow: hidden; }
.tq-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tq-table th { background: #f1f5f9; font-weight: 700; text-align: left; padding: 14px 20px; color: var(--tq-ink); }
.tq-table td { padding: 13px 20px; border-top: 1px solid var(--tq-line); color: var(--tq-mut); }
.tq-table td:first-child { color: var(--tq-ink); font-weight: 600; }
.tq-check { color: #10b981; font-weight: 800; }
.tq-cross { color: var(--tq-dim); }

/* 促销 */
.tq-offer { background: linear-gradient(115deg, #082f49, #0c4a6e); color: #fff; padding: 62px 0; }
.tq-offer-in { text-align: center; max-width: 700px; margin: 0 auto; }
.tq-offer h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; margin: 14px 0 10px; }
.tq-offer p { color: #bae6fd; }
.tq-timer { display: flex; justify-content: center; gap: 16px; margin: 24px 0 22px; }
.tq-timer div { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .25); border-radius: 10px; padding: 12px 16px; min-width: 74px; }
.tq-timer strong { font-size: 28px; font-weight: 800; display: block; line-height: 1; font-variant-numeric: tabular-nums; }
.tq-timer span { font-size: 11.5px; opacity: .8; }
.tq-sale { display: inline-block; font-size: 13px; font-weight: 800; background: rgba(255,255,255,.14); border: 1px dashed rgba(255,255,255,.55); padding: 6px 16px; border-radius: 999px; }

/* 支付 */
.tq-methods { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.tq-method { display: inline-flex; gap: 8px; align-items: center; padding: 10px 20px; background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: 10px; font-weight: 600; font-size: 14px; transition: all .2s; }
.tq-method:hover { border-color: var(--tq-blue); color: var(--tq-blue); }

/* Final CTA */
.tq-bottom { background: #0b1220; color: #fff; text-align: center; padding: 72px 0; }
.tq-bottom h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; margin-bottom: 10px; }
.tq-bottom p { color: #94a3b8; margin-bottom: 26px; }

/* Footer */
.tq-footer { background: #020617; color: #64748b; padding: 40px 0 26px; }
.tq-footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 28px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 18px; }
.tq-footer-top p { max-width: 300px; font-size: 13px; margin-top: 10px; }
.tq-foot-col h4 { color: #fff; font-size: 14px; margin-bottom: 12px; }
.tq-foot-col li { font-size: 13px; margin-bottom: 8px; }
.tq-foot-col a:hover { color: #fff; }
.tq-foot-copy { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12.5px; }

/* 子页头 */
.tq-subhead { padding: 56px 0 46px; text-align: center; background: linear-gradient(180deg, rgba(8,145,178,.08), transparent 60%); }
.tq-subhead h1 { font-size: clamp(27px, 3.4vw, 40px); font-weight: 800; margin: 12px 0 8px; }
.tq-subhead p { color: var(--tq-mut); max-width: 560px; margin: 0 auto; }

/* 平台卡 */
.tq-platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tq-platform { background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: var(--tq-r); padding: 28px 22px; text-align: center; transition: all .3s; }
.tq-platform:hover { transform: translateY(-5px); box-shadow: var(--tq-sh); }
.tq-platform .tq-os { font-size: 40px; margin-bottom: 10px; }
.tq-platform h3 { font-size: 17px; font-weight: 800; }
.tq-platform .tq-ver { font-size: 12.5px; color: var(--tq-dim); margin: 4px 0 16px; }

/* 步骤 */
.tq-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tq-flow-step { background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: var(--tq-r); padding: 24px 14px; text-align: center; position: relative; }
.tq-flow-step .tq-step-no { width: 40px; height: 40px; margin: 0 auto 12px; border-radius: 10px; background: var(--tq-grad); color: #fff; font-weight: 800; font-size: 17px; display: grid; place-items: center; }
.tq-flow-step h4 { font-size: 15.5px; margin-bottom: 5px; }
.tq-flow-step p { font-size: 13px; color: var(--tq-mut); }

/* 价格 */
.tq-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tq-plan { background: var(--tq-card); border: 1px solid var(--tq-line); border-radius: 16px; padding: 28px 24px; display: flex; flex-direction: column; position: relative; transition: all .3s; }
.tq-plan:hover { transform: translateY(-5px); box-shadow: var(--tq-sh); }
.tq-plan.featured { border: 2px solid var(--tq-blue); box-shadow: 0 16px 40px rgba(37, 99, 235, .16); }
.tq-plan .tq-reco { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--tq-grad); color: #fff; font-size: 11.5px; font-weight: 800; padding: 5px 14px; border-radius: 999px; white-space: nowrap; }
.tq-plan h3 { font-size: 16px; font-weight: 800; }
.tq-plan .tq-desc { font-size: 12.5px; color: var(--tq-dim); margin-bottom: 14px; }
.tq-price-line { display: flex; align-items: baseline; gap: 5px; }
.tq-price-line .tq-sym { font-size: 16px; font-weight: 800; }
.tq-price-line b { font-size: 40px; font-weight: 800; letter-spacing: -1px; }
.tq-price-line small { font-size: 12.5px; color: var(--tq-dim); }
.tq-plan .tq-total { font-size: 12.5px; color: var(--tq-mut); margin: 4px 0 14px; }
.tq-plan ul { flex: 1; margin-bottom: 20px; }
.tq-plan li { font-size: 13.8px; color: var(--tq-mut); padding: 6px 0; display: flex; gap: 8px; }
.tq-plan li:before { content: "✔"; color: #10b981; font-weight: 800; }
.tq-plan li.off { opacity: .4; }
.tq-plan li.off:before { content: "·"; }

.tq-refund { display: flex; gap: 14px; background: #eff6ff; border: 1px solid #bfdbfe; border-radius: var(--tq-r); padding: 20px 22px; margin-top: 28px; font-size: 14px; color: var(--tq-mut); }

@media (max-width: 900px) {
  .tq-hero-in, .tq-grid2 { grid-template-columns: 1fr; }
  .tq-grid4, .tq-platforms, .tq-plans, .tq-flow { grid-template-columns: 1fr; }
  .tq-metrics-in { grid-template-columns: 1fr; gap: 22px; }
  .tq-nav { display: none; }
  .tq-sec { padding: 54px 0; }
  .tq-timer div { min-width: 58px; padding: 9px 12px; }
  .tq-timer strong { font-size: 22px; }
}