:root {
  --q3-bg: #ffffff;
  --q3-soft: #f0f9ff;
  --q3-sky: #0284c7;
  --q3-sky-2: #0369a1;
  --q3-teal: #14b8a6;
  --q3-sky-soft: rgba(2, 132, 199, 0.1);
  --q3-navy: #0c4a6e;
  --q3-text: #0f172a;
  --q3-muted: #64748b;
  --q3-border: #e2e8f0;
  --q3-radius: 14px;
  --q3-shadow: 0 12px 32px rgba(12, 74, 110, 0.08);
  --q3-max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--q3-bg);
  color: var(--q3-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--q3-sky); text-decoration: none; }
a:hover { color: var(--q3-sky-2); }
img { max-width: 100%; height: auto; display: block; }

.q3-skip { position: absolute; left: -9999px; }
.q3-skip:focus {
  left: 16px; top: 16px; z-index: 9999;
  padding: 8px 14px; background: var(--q3-sky); color: #fff; border-radius: 8px;
}
.q3-container { width: 100%; max-width: var(--q3-max); margin: 0 auto; padding: 0 20px; }

.q3-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--q3-border);
  backdrop-filter: blur(12px);
}
.q3-header__inner { display: flex; align-items: center; gap: 14px; height: 68px; }
.q3-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--q3-navy); }
.q3-brand:hover { color: var(--q3-navy); }
.q3-brand__mark {
  width: 32px; height: 32px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--q3-sky), var(--q3-teal));
  color: #fff; font-size: 14px; font-weight: 900;
}
.q3-brand img {
  width: 32px; height: 32px; border-radius: 10px; display: block;
}
.q3-brand__text { font-size: 18px; font-weight: 800; }
.q3-icon-svg {
  width: 24px; height: 24px; stroke: var(--q3-sky); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.q3-daily-stamp {
  margin: 12px 0 0; font-size: 12px; color: #94a3b8; font-weight: 600;
}
.q3-footer__logo img {
  width: 28px; height: 28px; border-radius: 8px;
}
.q3-sitemap-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.q3-sitemap-block {
  padding: 22px; background: #fff; border: 1px solid var(--q3-border);
  border-radius: var(--q3-radius);
}
.q3-sitemap-block h2 {
  margin: 0 0 12px; font-size: 16px; font-weight: 800; color: var(--q3-navy);
}
.q3-sitemap-block ul { margin: 0; padding-left: 1.1em; color: var(--q3-muted); }
.q3-sitemap-block li { margin-bottom: 8px; }
@media (max-width: 768px) {
  .q3-sitemap-grid { grid-template-columns: 1fr; }
}
.q3-nav { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; }
.q3-nav a { padding: 8px 12px; color: #475569; font-size: 14px; font-weight: 600; border-radius: 8px; }
.q3-nav a:hover { color: var(--q3-sky); background: var(--q3-sky-soft); }
.q3-header__actions { display: flex; gap: 8px; }
.q3-nav-toggle {
  display: none; margin-left: auto; flex-direction: column; gap: 4px;
  padding: 8px; border: 1px solid var(--q3-border); border-radius: 8px; background: #fff; cursor: pointer;
}
.q3-nav-toggle span { display: block; width: 18px; height: 2px; background: var(--q3-text); }

.q3-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 10px; font-size: 14px; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: transform .15s, background .15s, border-color .15s, color .15s;
}
.q3-btn:hover { transform: translateY(-1px); text-decoration: none; }
.q3-btn--primary { background: var(--q3-sky); color: #fff; border-color: var(--q3-sky); }
.q3-btn--primary:hover { background: var(--q3-sky-2); color: #fff; }
.q3-btn--outline { background: #fff; color: var(--q3-sky); border-color: #7dd3fc; }
.q3-btn--outline:hover { background: var(--q3-sky-soft); color: var(--q3-sky-2); }
.q3-btn--light { background: #fff; color: var(--q3-sky); border-color: #fff; }
.q3-btn--light:hover { background: #e0f2fe; color: var(--q3-sky-2); }
.q3-btn--lg { padding: 13px 24px; font-size: 15px; border-radius: 12px; }
.q3-btn--block { width: 100%; }

.q3-section { padding: 80px 0; }
.q3-section--soft { background: var(--q3-soft); }
.q3-section__head { text-align: center; margin-bottom: 36px; }
.q3-section__head--row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; text-align: left;
}
.q3-section__title {
  margin: 0 0 10px; font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: var(--q3-navy);
}
.q3-section__desc { margin: 0 auto; max-width: 560px; color: var(--q3-muted); font-size: 15px; }
.q3-section__desc--left { margin: 0 0 20px; text-align: left; }
.q3-section__head--row .q3-section__title { margin-bottom: 0; }
.q3-section__more { font-size: 14px; font-weight: 700; white-space: nowrap; }
.q3-eyebrow {
  margin: 0 0 6px; font-size: 12px; font-weight: 800; letter-spacing: .08em;
  color: var(--q3-teal); text-transform: uppercase;
}
.q3-meta { display: flex; gap: 12px; color: #94a3b8; font-size: 13px; }

/* Hero */
.q3-hero {
  padding: 64px 0 72px;
  background:
    radial-gradient(ellipse 50% 60% at 90% 20%, rgba(20,184,166,.15), transparent 55%),
    linear-gradient(180deg, #e0f2fe 0%, #ffffff 100%);
}
.q3-hero__grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
}
.q3-hero__title {
  margin: 0 0 10px; font-size: clamp(34px, 4.5vw, 48px); font-weight: 900;
  color: var(--q3-navy); line-height: 1.15;
}
.q3-hero__tagline {
  margin: 0 0 14px; font-size: 20px; font-weight: 700; color: var(--q3-sky);
}
.q3-hero__lead {
  margin: 0 0 18px; max-width: 520px; color: var(--q3-muted); font-size: 15px; line-height: 1.85;
}
.q3-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.q3-hero__tags span {
  padding: 5px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--q3-border);
  color: #475569; font-size: 12px; font-weight: 600;
}
.q3-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.q3-panel {
  background: #fff; border-radius: 18px; padding: 24px; border: 1px solid var(--q3-border);
  box-shadow: var(--q3-shadow);
}
.q3-panel__head {
  font-size: 13px; font-weight: 700; color: var(--q3-teal); margin-bottom: 16px;
}
.q3-panel__metric { margin-bottom: 16px; }
.q3-panel__metric b { display: block; font-size: 36px; font-weight: 900; color: var(--q3-sky); }
.q3-panel__metric span { font-size: 13px; color: var(--q3-muted); }
.q3-panel__bars {
  display: flex; align-items: flex-end; gap: 8px; height: 72px; margin-bottom: 16px;
}
.q3-panel__bars i {
  flex: 1; border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--q3-teal), var(--q3-sky));
}
.q3-panel__bars i:nth-child(1) { height: 45%; }
.q3-panel__bars i:nth-child(2) { height: 70%; }
.q3-panel__bars i:nth-child(3) { height: 55%; }
.q3-panel__bars i:nth-child(4) { height: 85%; }
.q3-panel__bars i:nth-child(5) { height: 60%; }
.q3-panel ul { margin: 0; padding: 0; list-style: none; }
.q3-panel li {
  padding: 8px 0; border-top: 1px solid var(--q3-border);
  font-size: 13px; color: #475569; font-weight: 600;
}

.q3-why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.q3-why {
  padding: 24px 18px; background: #fff; border: 1px solid var(--q3-border);
  border-radius: var(--q3-radius); text-align: center;
}
.q3-why__icon {
  display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center;
  border-radius: 14px; background: var(--q3-sky-soft); margin-bottom: 12px; font-size: 22px;
}
.q3-why h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; }
.q3-why p { margin: 0; color: var(--q3-muted); font-size: 13px; line-height: 1.7; }

.q3-feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.q3-feat {
  padding: 26px 22px; background: #fff; border-radius: var(--q3-radius);
  border: 1px solid var(--q3-border); border-left: 4px solid var(--q3-sky);
}
.q3-feat h3 { margin: 0 0 8px; font-size: 18px; font-weight: 800; color: var(--q3-navy); }
.q3-feat p { margin: 0; color: var(--q3-muted); font-size: 14px; line-height: 1.75; }

.q3-user-grid, .q3-scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.q3-user, .q3-scene {
  padding: 24px 20px; background: #fff; border: 1px solid var(--q3-border);
  border-radius: var(--q3-radius);
}
.q3-scene span { display: block; font-size: 28px; margin-bottom: 10px; }
.q3-user h3, .q3-scene h3 { margin: 0 0 8px; font-size: 17px; font-weight: 800; }
.q3-user p, .q3-scene p { margin: 0; color: var(--q3-muted); font-size: 14px; line-height: 1.75; }

.q3-tech {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start;
}
.q3-tech__list { margin: 0; padding-left: 1.2em; color: #475569; }
.q3-tech__list li { margin-bottom: 10px; }
.q3-tech__ui {
  padding: 28px; background: linear-gradient(145deg, #0c4a6e, #0284c7);
  border-radius: 18px; color: #fff;
}
.q3-tech__ui h3 { margin: 0 0 10px; font-size: 20px; font-weight: 800; color: #fff; }
.q3-tech__ui p { margin: 0 0 16px; color: rgba(255,255,255,.88); font-size: 14px; line-height: 1.75; }
.q3-tech__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.q3-tech__chips span {
  padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.15);
  font-size: 12px; font-weight: 600;
}

.q3-hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.q3-hot-card {
  background: #fff; border-radius: var(--q3-radius); overflow: hidden;
  border: 1px solid var(--q3-border); transition: transform .2s, box-shadow .2s;
}
.q3-hot-card:hover { transform: translateY(-3px); box-shadow: var(--q3-shadow); }
.q3-hot-card a { color: inherit; display: block; padding-bottom: 18px; }
.q3-hot-card__media { aspect-ratio: 16/10; overflow: hidden; background: #e0f2fe; }
.q3-hot-card__media img { width: 100%; height: 100%; object-fit: cover; }
.q3-hot-card__title {
  margin: 14px 16px 8px; font-size: 16px; font-weight: 800; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.q3-hot-card .q3-meta { margin: 0 16px 8px; }
.q3-hot-card__desc {
  margin: 0 16px; color: var(--q3-muted); font-size: 13px; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* News magazine style */
.q3-news { display: flex; flex-direction: column; gap: 0; }
.q3-news__item {
  display: grid; grid-template-columns: 1fr 120px; gap: 20px; align-items: start;
  padding: 22px 0; border-bottom: 1px solid var(--q3-border);
}
.q3-news__title { margin: 0 0 8px; font-size: 18px; font-weight: 800; line-height: 1.4; }
.q3-news__title a { color: var(--q3-navy); }
.q3-news__title a:hover { color: var(--q3-sky); }
.q3-news__desc {
  margin: 0; color: var(--q3-muted); font-size: 14px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.q3-news__date {
  text-align: right; font-size: 13px; font-weight: 700; color: var(--q3-teal); padding-top: 4px;
}

.q3-review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.q3-review {
  margin: 0; padding: 24px; background: #fff; border: 1px solid var(--q3-border);
  border-radius: var(--q3-radius);
}
.q3-review h3 { margin: 0 0 10px; font-size: 16px; font-weight: 800; color: var(--q3-sky); }
.q3-review p { margin: 0 0 14px; color: #475569; font-size: 14px; line-height: 1.8; }
.q3-review footer { font-size: 13px; color: #94a3b8; }

.q3-faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.q3-faq {
  background: #fff; border: 1px solid var(--q3-border); border-radius: 12px; padding: 4px 16px 12px;
}
.q3-faq summary {
  cursor: pointer; padding: 12px 0; font-weight: 700; color: var(--q3-navy); list-style: none;
}
.q3-faq summary::-webkit-details-marker { display: none; }
.q3-faq p { margin: 0; color: var(--q3-muted); font-size: 14px; line-height: 1.75; }

.q3-cta {
  padding: 72px 0; text-align: center; color: #fff;
  background: linear-gradient(135deg, #0c4a6e 0%, #0284c7 55%, #14b8a6 100%);
}
.q3-cta__title { margin: 0 0 10px; font-size: clamp(26px, 3vw, 34px); font-weight: 900; color: #fff; }
.q3-cta p { margin: 0 0 18px; opacity: .92; }
.q3-cta__tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 22px; }
.q3-cta__tags span {
  padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.15);
  font-size: 12px; font-weight: 600;
}
.q3-cta__more { margin: 14px 0 28px !important; font-size: 13px; opacity: .85; }
.q3-cta__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  max-width: 800px; margin: 0 auto;
}
.q3-cta__stats strong { display: block; font-size: 28px; font-weight: 900; }
.q3-cta__stats span { font-size: 13px; opacity: .88; }

.q3-change-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.q3-change {
  padding: 24px; background: #fff; border: 1px solid var(--q3-border); border-radius: var(--q3-radius);
}
.q3-change h3 { margin: 0 0 6px; font-size: 18px; font-weight: 800; }
.q3-change__date { margin: 0 0 12px; color: var(--q3-teal); font-size: 13px; font-weight: 700; }
.q3-change ul { margin: 0; padding-left: 1.2em; color: var(--q3-muted); font-size: 14px; }
.q3-change li { margin-bottom: 6px; }

.q3-rand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.q3-rand-card {
  background: #fff; border: 1px solid var(--q3-border); border-radius: 14px; overflow: hidden;
}
.q3-rand-card a { color: inherit; display: block; }
.q3-rand-card__media { aspect-ratio: 16/9; overflow: hidden; background: #e0f2fe; }
.q3-rand-card__media img { width: 100%; height: 100%; object-fit: cover; }
.q3-rand-card__body { padding: 14px 16px 16px; }
.q3-rand-card__title {
  margin: 0 0 8px; font-size: 15px; font-weight: 700; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.q3-links { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: center; }
.q3-links a { color: var(--q3-muted); font-size: 14px; }

.q3-footer { background: #0c4a6e; color: #94a3b8; padding: 48px 0 24px; }
.q3-footer a { color: #cbd5e1; }
.q3-footer a:hover { color: #fff; }
.q3-footer__grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 28px; margin-bottom: 28px;
}
.q3-footer__logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
  color: #fff; font-size: 17px; font-weight: 800;
}
.q3-footer__about p { margin: 0; font-size: 14px; line-height: 1.8; }
.q3-footer__title { margin-bottom: 12px; color: #fff; font-size: 14px; font-weight: 800; }
.q3-footer__links { display: flex; flex-direction: column; gap: 10px; }
.q3-footer__bottom {
  padding-top: 20px; border-top: 1px solid rgba(148,163,184,.25);
  text-align: center; font-size: 13px;
}
.q3-footer__bottom p { margin: 0 0 6px; }
.q3-footer__meta { color: #64748b; }

/* Inner */
.q3-page-hero {
  padding: 48px 0 40px;
  background: linear-gradient(180deg, #e0f2fe 0%, #ffffff 100%);
  border-bottom: 1px solid var(--q3-border);
}
.q3-page-hero__title {
  margin: 0 0 10px; font-size: clamp(26px, 3vw, 34px); font-weight: 900; color: var(--q3-navy);
}
.q3-page-hero__desc { margin: 0; color: var(--q3-muted); font-size: 15px; max-width: 640px; }
.q3-breadcrumb { margin-bottom: 24px; font-size: 13px; color: #94a3b8; }
.q3-breadcrumb a { color: #94a3b8; }
.q3-breadcrumb a:hover { color: var(--q3-sky); }

/* Article — timeline rail + top teal ribbon (different from q1/q2) */
.q3-article { max-width: 820px; margin: 0 auto; }
.q3-article__ribbon {
  height: 4px; border-radius: 999px; margin-bottom: 20px;
  background: linear-gradient(90deg, var(--q3-sky), var(--q3-teal));
}
.q3-article__title {
  margin: 0 0 14px; font-size: clamp(24px, 3vw, 32px); font-weight: 900;
  line-height: 1.3; color: var(--q3-navy);
}
.q3-article__meta {
  display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px;
  color: #94a3b8; font-size: 13px;
}
.q3-article__intro {
  margin: 0 0 24px; padding: 16px 18px; border-radius: 12px;
  background: var(--q3-soft); border: 1px dashed #7dd3fc;
  color: #475569; font-size: 15px; line-height: 1.8;
}
.q3-article__content {
  font-size: 16px; line-height: 1.9; color: #1e293b;
  padding-left: 18px; border-left: 2px solid #bae6fd;
}
.q3-article__content h2,
.q3-article__content h3,
.q3-article__content h4 {
  margin: 1.5em 0 .55em; color: var(--q3-navy); font-weight: 800;
}
.q3-article__content p { margin: 0 0 1.05em; }
.q3-article__content img { margin: 1.1em auto; border-radius: 12px; }
.q3-article__content a { text-decoration: underline; text-underline-offset: 3px; }
.q3-article__content ul, .q3-article__content ol { margin: 0 0 1.05em; padding-left: 1.35em; }
.q3-article__content blockquote {
  margin: 1.1em 0; padding: 12px 16px; background: #ecfeff;
  border-left: 3px solid var(--q3-teal); color: #475569; border-radius: 0 10px 10px 0;
}
.q3-article__source {
  margin-top: 22px; font-size: 13px; color: #94a3b8; word-break: break-all;
}

.q3-prevnext {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  max-width: 820px; margin: 24px auto 0;
}
.q3-prevnext a {
  display: block; padding: 14px 16px; border-radius: 12px;
  background: var(--q3-soft); border: 1px solid var(--q3-border); color: var(--q3-text);
}
.q3-prevnext a:hover { border-color: #7dd3fc; color: var(--q3-sky); }
.q3-prevnext span { display: block; font-size: 12px; color: #94a3b8; margin-bottom: 6px; }
.q3-prevnext div {
  font-size: 14px; font-weight: 700; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.q3-prevnext > div:last-child a { text-align: right; }

.q3-rec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.q3-rec-card {
  display: grid; grid-template-columns: 100px 1fr; gap: 14px; align-items: center;
  padding: 12px; background: #fff; border: 1px solid var(--q3-border); border-radius: 12px;
}
.q3-rec-card a { color: inherit; display: contents; }
.q3-rec-card__media {
  aspect-ratio: 1; border-radius: 10px; overflow: hidden; background: #e0f2fe;
}
.q3-rec-card__media img { width: 100%; height: 100%; object-fit: cover; }
.q3-rec-card__title {
  margin: 0 0 6px; font-size: 15px; font-weight: 700; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.q3-list { display: flex; flex-direction: column; gap: 0; }
.q3-list__item {
  display: grid; grid-template-columns: 100px 1fr; gap: 20px;
  padding: 22px 0; border-bottom: 1px solid var(--q3-border);
}
.q3-list__date {
  text-align: center; padding: 12px 8px; border-radius: 12px; background: var(--q3-soft);
}
.q3-list__date strong {
  display: block; font-size: 22px; font-weight: 900; color: var(--q3-sky); line-height: 1.1;
}
.q3-list__date span { font-size: 12px; color: var(--q3-muted); }
.q3-list__title { margin: 0 0 8px; font-size: 18px; font-weight: 800; line-height: 1.4; }
.q3-list__title a { color: var(--q3-navy); }
.q3-list__title a:hover { color: var(--q3-sky); }
.q3-list__desc { margin: 8px 0 0; color: var(--q3-muted); font-size: 14px; line-height: 1.7; }

.q3-pagination {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 32px;
}
.q3-pagination a, .q3-pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px; border-radius: 10px;
  border: 1px solid var(--q3-border); font-size: 14px; font-weight: 600; color: #475569;
}
.q3-pagination a:hover, .q3-pagination .current {
  background: var(--q3-sky); border-color: var(--q3-sky); color: #fff;
}

.q3-empty { text-align: center; padding: 60px 20px; color: var(--q3-muted); }
.q3-empty__title {
  margin: 0 0 12px; font-size: 64px; font-weight: 900; color: var(--q3-sky); line-height: 1;
}

.q3-download-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 36px;
}
.q3-download-card {
  text-align: center; padding: 28px 18px; background: #fff;
  border: 1px solid var(--q3-border); border-radius: var(--q3-radius);
}
.q3-download-card__icon { font-size: 34px; margin-bottom: 10px; }
.q3-download-card h2 { margin: 0 0 8px; font-size: 17px; font-weight: 800; }
.q3-download-card p { margin: 0 0 16px; color: var(--q3-muted); font-size: 13px; }
.q3-download-tips {
  max-width: 720px; margin: 0 auto; padding: 24px; background: var(--q3-soft);
  border-radius: 14px; border: 1px solid var(--q3-border);
}
.q3-download-tips h2 { margin: 0 0 10px; font-size: 17px; font-weight: 800; }
.q3-download-tips ul { margin: 0; padding-left: 1.2em; color: var(--q3-muted); font-size: 14px; }
.q3-download-tips li { margin-bottom: 8px; }

@media (max-width: 1024px) {
  .q3-why-grid, .q3-download-grid { grid-template-columns: repeat(2, 1fr); }
  .q3-hero__grid, .q3-tech, .q3-change-grid { grid-template-columns: 1fr; }
  .q3-cta__stats { grid-template-columns: repeat(2, 1fr); }
  .q3-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .q3-nav-toggle { display: flex; }
  .q3-nav {
    display: none; position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--q3-border); padding: 12px 20px 16px;
  }
  .q3-nav.is-open { display: flex; }
  .q3-section { padding: 56px 0; }
  .q3-why-grid,
  .q3-feat-grid,
  .q3-user-grid,
  .q3-scene-grid,
  .q3-hot-grid,
  .q3-review-grid,
  .q3-faq-grid,
  .q3-rand-grid,
  .q3-rec-grid,
  .q3-download-grid,
  .q3-cta__stats { grid-template-columns: 1fr; }
  .q3-news__item { grid-template-columns: 1fr; gap: 8px; }
  .q3-news__date { text-align: left; }
  .q3-list__item { grid-template-columns: 72px 1fr; gap: 12px; }
  .q3-prevnext { grid-template-columns: 1fr; }
  .q3-prevnext > div:last-child a { text-align: left; }
  .q3-footer__grid { grid-template-columns: 1fr; }
  .q3-section__head--row { flex-direction: column; align-items: flex-start; }
  .q3-article__content { padding-left: 12px; }
}