*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:#fff;color:#111}img{max-width:100%}
/* ===== QuickQ site design system ===== */
:root {
  --qq-brand: oklch(0.52 0.24 285);
  --qq-brand-2: oklch(0.62 0.26 320);
  --qq-ink: oklch(0.22 0.03 265);
  --qq-body: oklch(0.5 0.02 265);
  --qq-surface: oklch(0.98 0.005 265);
  --qq-hero: linear-gradient(120deg, oklch(0.45 0.22 280) 0%, oklch(0.52 0.24 290) 45%, oklch(0.62 0.26 325) 100%);
  --qq-shadow: 0 18px 50px -20px oklch(0.4 0.15 285 / 0.45);
  --qq-max: 1200px;
}

.qq { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--qq-ink); }
.qq-wrap { max-width: var(--qq-max); margin: 0 auto; padding: 0 20px; }
.qq a { text-decoration: none; color: inherit; }

/* header */
.qq-header { position: sticky; top: 0; z-index: 40; background: oklch(1 0 0 / 0.9); backdrop-filter: blur(12px); border-bottom: 1px solid oklch(0.92 0.01 265); }
.qq-header.is-hero { position: absolute; width: 100%; background: transparent; border-bottom: none; backdrop-filter: none; }
.qq-nav { display: flex; align-items: center; gap: 28px; height: 72px; }
.qq-logo { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.qq-links { display: flex; gap: 26px; font-size: 15px; margin-left: 24px; }
.qq-links a:hover { opacity: 0.7; }
.qq-right { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 14px; }
.qq-header.is-hero, .qq-header.is-hero .qq-lang a { color: oklch(0.99 0 0); }
.qq-lang a.is-on { text-decoration: underline; font-weight: 700; }
.qq-cta { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 11px 22px; font-weight: 600; font-size: 15px; background: var(--qq-ink); color: oklch(0.99 0 0); transition: transform .2s ease, box-shadow .2s ease; }
.qq-cta:hover { transform: translateY(-2px); box-shadow: var(--qq-shadow); }
.qq-cta.is-ghost { background: transparent; border: 1px solid currentColor; color: inherit; }
.qq-cta.is-brand { background: var(--qq-brand); color: oklch(0.99 0 0); }

/* hero */
.qq-hero { background: var(--qq-hero); color: oklch(0.99 0 0); padding: 168px 0 96px; overflow: hidden; position: relative; }
.qq-hero::after { content: ""; position: absolute; inset: -30% -20% auto auto; width: 900px; height: 900px; border-radius: 50%; border: 1px solid oklch(1 0 0 / 0.18); }
.qq-hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.qq-hero h1 { font-size: clamp(38px, 5.6vw, 68px); line-height: 1.1; font-weight: 800; margin: 0 0 20px; }
.qq-hero p { font-size: 19px; opacity: 0.9; margin: 0 0 34px; }
.qq-hero img { width: 100%; max-width: 560px; margin-left: auto; display: block; }
.qq-page-head { background: var(--qq-hero); color: oklch(0.99 0 0); padding: 140px 0 64px; }
.qq-page-head h1 { font-size: clamp(30px, 4vw, 46px); margin: 0 0 10px; font-weight: 800; }
.qq-crumb { font-size: 14px; opacity: 0.85; }

/* sections */
.qq-section { padding: 84px 0; }
.qq-section.is-alt { background: var(--qq-surface); }
.qq-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.qq-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin: 0 0 14px; }
.qq-head p { color: var(--qq-body); font-size: 17px; margin: 0; }

.qq-grid { display: grid; gap: 26px; }
.qq-grid.c4 { grid-template-columns: repeat(4, 1fr); }
.qq-grid.c3 { grid-template-columns: repeat(3, 1fr); }
.qq-grid.c2 { grid-template-columns: repeat(2, 1fr); }

.qq-card { background: oklch(1 0 0); border: 1px solid oklch(0.93 0.01 265); border-radius: 18px; padding: 30px; transition: transform .25s ease, box-shadow .25s ease; }
.qq-card:hover { transform: translateY(-6px); box-shadow: var(--qq-shadow); }
.qq-card img { width: 56px; height: 56px; object-fit: contain; }
.qq-card h3 { font-size: 19px; margin: 18px 0 10px; font-weight: 700; }
.qq-card p { color: var(--qq-body); font-size: 15px; line-height: 1.75; margin: 0; }
.qq-card.is-center { text-align: center; }
.qq-card.is-center img { margin: 0 auto; }

.qq-shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.qq-shots img { width: 100%; border-radius: 16px; box-shadow: var(--qq-shadow); }

.qq-band { background: var(--qq-hero); color: oklch(0.99 0 0); border-radius: 26px; padding: 56px; text-align: center; }
.qq-band h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; font-weight: 800; }
.qq-band p { opacity: 0.9; margin: 0 0 28px; }
.qq-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* pricing */
.qq-price { background: oklch(1 0 0); border: 1px solid oklch(0.93 0.01 265); border-radius: 20px; padding: 34px; text-align: center; }
.qq-price.is-best { border-color: var(--qq-brand); box-shadow: var(--qq-shadow); position: relative; }
.qq-price .qq-tag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--qq-brand); color: oklch(0.99 0 0); font-size: 12px; padding: 5px 14px; border-radius: 999px; }
.qq-amount { font-size: 42px; font-weight: 800; margin: 14px 0 4px; color: var(--qq-brand); }
.qq-price ul { list-style: none; padding: 0; margin: 22px 0; text-align: left; color: var(--qq-body); font-size: 15px; }
.qq-price li { padding: 7px 0 7px 24px; position: relative; }
.qq-price li::before { content: "✓"; position: absolute; left: 0; color: var(--qq-brand); font-weight: 700; }

.qq-blog { display: block; border-radius: 18px; overflow: hidden; border: 1px solid oklch(0.93 0.01 265); background: oklch(1 0 0); }
.qq-blog img { width: 100%; height: 150px; object-fit: cover; background: var(--qq-surface); }
.qq-blog div { padding: 18px 20px 24px; }
.qq-blog h3 { font-size: 16px; margin: 0 0 8px; line-height: 1.6; }
.qq-blog span { font-size: 13px; color: var(--qq-body); }

/* footer */
.qq-footer { background: oklch(0.19 0.03 265); color: oklch(0.9 0.01 265); padding: 56px 0 32px; margin-top: 0; }
.qq-footer .qq-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.qq-footer h4 { font-size: 15px; margin: 0 0 14px; color: oklch(0.99 0 0); }
.qq-footer a, .qq-footer p { display: block; font-size: 14px; margin: 0 0 10px; opacity: 0.75; }
.qq-footer a:hover { opacity: 1; }
.qq-copy { margin-top: 34px; padding-top: 20px; border-top: 1px solid oklch(1 0 0 / 0.12); font-size: 13px; opacity: 0.6; text-align: center; }

@media (max-width: 900px) {
  .qq-hero-grid, .qq-grid.c4, .qq-grid.c3, .qq-grid.c2, .qq-shots, .qq-footer .qq-grid { grid-template-columns: 1fr; }
  .qq-links { display: none; }
  .qq-hero { padding: 130px 0 70px; }
  .qq-band { padding: 40px 22px; }
}