/* ============================================================
   武汉清墨豆创网络科技有限公司 · 官网
   设计：明亮 · 极简 · 渐变点缀 · SVG 视觉
   ============================================================ */

:root {
  --bg: #f6f8fc;
  --card: #ffffff;

  --ink: #0d1b2e;
  --text: #42506b;
  --muted: #69778f;
  --faint: #97a3b8;

  --line: rgba(13, 27, 46, 0.08);
  --line-2: rgba(13, 27, 46, 0.14);

  --primary: #2563eb;
  --tint: rgba(59, 130, 246, 0.09);
  --grad: linear-gradient(115deg, #7c6bff 0%, #3b82f6 50%, #22d3ee 100%);

  --sh-1: 0 6px 20px -12px rgba(13, 27, 46, 0.12);
  --sh-2: 0 16px 36px -18px rgba(13, 27, 46, 0.16);

  --r-lg: 22px;
  --r-xl: 30px;
  --pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: all 0.3s var(--ease);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.75;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--t); }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }

::selection { background: rgba(59, 130, 246, 0.16); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 3000;
  padding: 10px 18px; border-radius: 12px;
  background: var(--ink); color: #fff; font-weight: 600; font-size: 0.9rem;
  transition: top 0.3s var(--ease);
}
.skip-link:focus { top: 12px; }

body.no-scroll { overflow: hidden; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 27px;
  font-size: 0.96rem; font-weight: 600; line-height: 1.4;
  border-radius: var(--pill);
  border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: var(--t);
}
.btn svg { flex-shrink: 0; transition: transform 0.3s var(--ease); }
.btn-sm { padding: 9px 19px; font-size: 0.89rem; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }

.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px -10px rgba(59, 130, 246, 0.42); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -10px rgba(59, 130, 246, 0.5); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost { background: var(--card); color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: rgba(59, 130, 246, 0.4); color: var(--primary); transform: translateY(-2px); }

.btn-light { background: #fff; color: #12244a; }
.btn-light:hover { transform: translateY(-2px); }
.btn-light:hover svg { transform: translateX(3px); }

.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(246, 248, 252, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--t);
}
.nav.scrolled { background: rgba(255, 255, 255, 0.88); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 16px; height: 72px; }

.nav-logo { display: flex; align-items: center; gap: 11px; margin-right: auto; flex-shrink: 0; }
.nav-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 12px; background: var(--grad); color: #fff;
}
.nav-name { display: flex; flex-direction: column; line-height: 1; font-weight: 800; color: var(--ink); font-size: 1.05rem; letter-spacing: 0.5px; }
.nav-name small { font-size: 0.55rem; letter-spacing: 2.6px; font-weight: 600; color: var(--faint); margin-top: 4px; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 8px 14px; border-radius: var(--pill);
  font-size: 0.92rem; font-weight: 500; color: var(--muted);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--primary); }
.nav-menu-foot { display: none; }
.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 42px; height: 42px; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--t); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  padding: 164px 0 96px;
  background:
    radial-gradient(52% 42% at 82% 0%, rgba(59, 130, 246, 0.07), transparent 70%),
    radial-gradient(40% 40% at 0% 36%, rgba(124, 107, 255, 0.06), transparent 70%),
    var(--bg);
}
.hero-inner { display: grid; grid-template-columns: 1.06fr 0.94fr; gap: 48px; align-items: center; }

.hero-kicker { font-size: 0.9rem; font-weight: 600; color: var(--primary); letter-spacing: 1px; margin-bottom: 20px; }

.hero-title {
  font-size: clamp(2.6rem, 5.2vw, 4.1rem);
  font-weight: 800; line-height: 1.18; letter-spacing: -1.5px; color: var(--ink);
}
.grad-word {
  position: relative; display: inline-block;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  padding-bottom: 0.12em;
}
.ink-underline { position: absolute; left: -2%; bottom: -0.06em; width: 104%; height: 0.24em; overflow: visible; }
.ink-a { stroke-dasharray: 260; stroke-dashoffset: 260; animation: draw 1.1s var(--ease) forwards 0.4s; }
.ink-b { stroke-dasharray: 230; stroke-dashoffset: 230; animation: draw 1s var(--ease) forwards 0.7s; }

.hero-text { font-size: 1.1rem; color: var(--muted); line-height: 1.9; max-width: 500px; margin: 24px 0 36px; }
.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-trust { display: flex; flex-wrap: wrap; padding-top: 30px; border-top: 1px solid var(--line-2); }
.trust-item { padding-right: 34px; margin-right: 34px; }
.trust-item:last-child { padding-right: 0; margin-right: 0; }
.trust-num { display: flex; align-items: baseline; font-size: 2.05rem; font-weight: 800; color: var(--ink); line-height: 1; letter-spacing: -1px; font-variant-numeric: tabular-nums; }
.trust-num i { font-style: normal; font-size: 1.1rem; font-weight: 700; margin-left: 2px; color: var(--primary); }
.trust-label { font-size: 0.84rem; color: var(--muted); margin-top: 9px; }

/* Hero SVG 场景 */
.hero-scene { width: 100%; max-width: 520px; margin: 0 auto; }
.scene { width: 100%; height: auto; }
.qm-ring { transform-box: view-box; transform-origin: 320px 320px; }
.qm-ring--slow { animation: spin 50s linear infinite; }
.qm-ring--rev { animation: spin 34s linear infinite reverse; }
.qm-chip { transform-box: fill-box; transform-origin: center; animation: floatY 6.5s ease-in-out infinite; }
.qm-chip--b { animation-delay: 1.5s; }
.qm-chip--c { animation-delay: 3s; }

/* ============ 通用 Section ============ */
.section { padding: 104px 0; }
.eyebrow {
  display: block;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 2.4px; text-transform: uppercase;
  color: var(--primary); margin-bottom: 16px;
}
.section-title { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 800; letter-spacing: -0.8px; color: var(--ink); line-height: 1.24; }
.section-sub { font-size: 1.05rem; color: var(--muted); margin-top: 14px; max-width: 560px; }
.section-head--center { text-align: center; max-width: 660px; margin: 0 auto 60px; }
.section-head--center .section-sub { margin-left: auto; margin-right: auto; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============ About ============ */
.about { background: var(--card); }
.about-inner { display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 64px; align-items: center; }
.about-main .section-title { margin-bottom: 22px; }
.about-main > p { margin-bottom: 15px; line-height: 1.95; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; margin-top: 32px; }
.point { display: flex; align-items: center; gap: 13px; }
.point-ico {
  width: 44px; height: 44px; min-width: 44px; border-radius: 13px;
  background: var(--tint);
  display: grid; place-items: center;
}
.point-ico svg { width: 21px; height: 21px; stroke: var(--primary); }
.point strong { display: block; font-size: 0.98rem; color: var(--ink); line-height: 1.4; }
.point em { font-style: normal; font-size: 0.83rem; color: var(--muted); }

.about-bento { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bento {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px;
}
.bento-tag { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; }
.bento h3 { font-size: 1.16rem; font-weight: 700; color: var(--ink); line-height: 1.45; }
.bento p { color: var(--muted); margin-top: 11px; font-size: 0.94rem; }
.bento-lead { grid-column: 1 / -1; }
.bento-lead h3 { font-size: 1.4rem; }
.bento-dark { background: var(--card); }

/* ============ Services ============ */
.services { background: var(--bg); }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px; transition: var(--t);
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.svc-icon {
  width: 58px; height: 58px; border-radius: 16px;
  background: var(--tint);
  display: grid; place-items: center; color: var(--primary);
  margin-bottom: 20px;
}
.svc-icon svg { width: 30px; height: 30px; stroke: currentColor; }
.svc-card h3 { font-size: 1.18rem; font-weight: 700; color: var(--ink); margin-bottom: 9px; }
.svc-card > p, .svc-featured-body > p { color: var(--muted); font-size: 0.93rem; line-height: 1.8; margin-bottom: 18px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.svc-tags li {
  padding: 4px 12px; background: var(--bg);
  color: var(--muted); font-size: 0.78rem; font-weight: 500; border-radius: var(--pill);
}

.svc-featured { grid-column: span 2; flex-direction: row; gap: 26px; align-items: flex-start; }
.svc-featured .svc-icon { width: 70px; height: 70px; border-radius: 20px; margin-bottom: 0; flex-shrink: 0; }
.svc-featured .svc-icon svg { width: 37px; height: 37px; }
.svc-featured-body { flex: 1; display: flex; flex-direction: column; }
.svc-featured h3 { font-size: 1.38rem; }
.svc-featured-body > p { font-size: 0.98rem; }

/* ============ Advantages ============ */
.advantages { background: var(--card); }
.adv-list { border-top: 1px solid var(--line-2); max-width: 920px; margin: 0 auto; }
.adv-row {
  display: grid; grid-template-columns: 80px 1fr; align-items: center; gap: 28px;
  padding: 30px 8px;
  border-bottom: 1px solid var(--line-2);
}
.adv-idx {
  font-size: 2.2rem; font-weight: 900; line-height: 1; letter-spacing: -1px;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(13, 27, 46, 0.2);
  font-variant-numeric: tabular-nums;
  transition: var(--t);
}
.adv-row:hover .adv-idx {
  -webkit-text-stroke: 0px transparent;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.adv-body h3 { font-size: 1.18rem; font-weight: 700; color: var(--ink); margin-bottom: 5px; }
.adv-body p { font-size: 0.93rem; color: var(--muted); line-height: 1.75; max-width: 640px; }

/* ============ Cases ============ */
.cases { background: var(--bg); }
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; transition: var(--t);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.case-media { position: relative; overflow: hidden; }
.case-media > svg { width: 100%; height: auto; }
.case-cat {
  position: absolute; left: 16px; bottom: 14px;
  padding: 6px 15px;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.4); border-radius: var(--pill);
  color: #fff; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.5px;
}
.case-body { padding: 24px 26px 28px; }
.case-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--ink); margin-bottom: 9px; }
.case-body p { font-size: 0.93rem; color: var(--muted); line-height: 1.78; margin-bottom: 16px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.case-tags span {
  padding: 4px 12px; background: var(--bg);
  color: var(--muted); font-size: 0.78rem; font-weight: 500; border-radius: var(--pill);
}

/* ============ Process ============ */
.process { background: var(--card); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 26px;
}
.step-num {
  font-size: 1.9rem; font-weight: 900; line-height: 1; letter-spacing: -1px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px; font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 1.12rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.step p { font-size: 0.91rem; color: var(--muted); line-height: 1.75; }

/* ============ CTA ============ */
.cta { padding: 16px 0 104px; background: var(--card); }
.cta-card {
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  padding: 56px; border-radius: var(--r-xl); color: #fff;
  background: linear-gradient(120deg, #4c51e0 0%, #2f6ae8 55%, #0ba5cf 100%);
}
.cta-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.28; letter-spacing: -0.5px; }
.cta-text p { color: rgba(255, 255, 255, 0.82); margin-top: 12px; max-width: 520px; }
.cta-actions { display: flex; gap: 13px; flex-wrap: wrap; }

/* ============ Footer ============ */
.footer { background: var(--bg); color: var(--muted); padding: 68px 0 0; border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; padding-bottom: 48px; }
.footer-brand p { margin: 18px 0; line-height: 1.9; max-width: 340px; }
.footer-contact { display: flex; flex-direction: column; gap: 11px; }
.footer-contact span { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.footer-contact svg { color: var(--primary); flex-shrink: 0; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-col h4 { color: var(--ink); font-size: 0.97rem; font-weight: 700; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.89rem; color: var(--muted); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 24px 0 calc(24px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  font-size: 0.83rem; color: var(--faint);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ============ 回到顶部 ============ */
.to-top {
  position: fixed; z-index: 999;
  right: 26px; bottom: calc(26px + env(safe-area-inset-bottom));
  width: 48px; height: 48px;
  display: grid; place-items: center; cursor: pointer;
  border: 1px solid var(--line-2); border-radius: 50%;
  background: var(--card); color: var(--ink);
  box-shadow: var(--sh-1);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: var(--t);
}
.to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--primary); border-color: rgba(59, 130, 246, 0.4); }

/* ============ Keyframes ============ */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { text-align: center; }
  .hero-text { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-scene { max-width: 420px; order: -1; }
  .about-inner { grid-template-columns: 1fr; gap: 44px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-featured { grid-column: span 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}

/* ---- 移动端导航 ---- */
@media (max-width: 900px) {
  html { scroll-padding-top: 76px; }
  .nav-inner { height: 64px; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed; inset: 0; z-index: 1;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 104px 28px calc(32px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
    overflow-y: auto;
  }
  .nav-menu.open { opacity: 1; visibility: visible; }

  .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link {
    padding: 14px 4px;
    font-size: 1.4rem; font-weight: 700;
    color: var(--ink); border-radius: 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-link.active { color: var(--primary); }

  .nav-menu-foot { display: block; margin-top: 30px; }
  .nav-menu-foot .btn { width: 100%; padding: 15px 24px; font-size: 1rem; }
  .nav-menu-foot p { margin-top: 16px; font-size: 0.8rem; color: var(--faint); text-align: center; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 68px 0; }
  .section-head--center { margin-bottom: 38px; }
  .section-sub { font-size: 0.99rem; }

  .hero { padding: 112px 0 64px; }
  .hero-scene { max-width: 340px; }
  .hero-kicker { margin-bottom: 16px; }
  .hero-text { margin: 18px 0 28px; font-size: 1.02rem; }
  .hero-cta { margin-bottom: 38px; }

  .hero-trust { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 12px; padding-top: 26px; }
  .trust-item { padding: 0; margin: 0; text-align: center; }
  .trust-num { justify-content: center; font-size: 1.8rem; }
  .trust-label { margin-top: 6px; }

  .about-points { gap: 15px; }
  .svc-grid { grid-template-columns: 1fr; }
  .svc-featured { grid-column: 1; flex-direction: column; gap: 18px; }
  .svc-card { padding: 26px 22px; }

  .adv-row { grid-template-columns: 52px 1fr; gap: 16px; padding: 24px 4px; }
  .adv-idx { font-size: 1.7rem; }
  .adv-body h3 { font-size: 1.08rem; }

  .cases-grid { grid-template-columns: 1fr; gap: 18px; }
  .case-body { padding: 20px 20px 24px; }

  .steps { grid-template-columns: 1fr; gap: 14px; }
  .step { padding: 24px 22px; }

  .cta { padding: 8px 0 68px; }
  .cta-card { padding: 40px 28px; flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .btn { width: 100%; }

  .footer { padding-top: 54px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 5px; }
  .to-top { right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); width: 44px; height: 44px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-name small { display: none; }
  .nav-menu { padding: 96px 20px calc(28px + env(safe-area-inset-bottom)); }
  .nav-link { font-size: 1.26rem; padding: 12px 4px; }

  .section { padding: 58px 0; }
  .hero { padding: 100px 0 52px; }
  .hero-title { font-size: 2.2rem; letter-spacing: -0.8px; }
  .hero-text { font-size: 0.97rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-scene { max-width: 290px; }
  .trust-num { font-size: 1.6rem; }
  .trust-label { font-size: 0.78rem; }

  .about-points { grid-template-columns: 1fr; }
  .about-bento { grid-template-columns: 1fr; }
  .bento { padding: 22px; }
  .bento-lead h3 { font-size: 1.26rem; }

  .svc-icon, .svc-featured .svc-icon { width: 52px; height: 52px; border-radius: 14px; }
  .svc-icon svg, .svc-featured .svc-icon svg { width: 27px; height: 27px; }
  .svc-featured h3 { font-size: 1.24rem; }

  .adv-row { grid-template-columns: 42px 1fr; gap: 13px; }
  .adv-idx { font-size: 1.4rem; }

  .cta-card { padding: 34px 22px; border-radius: 24px; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 22px; }
}

@media (max-width: 380px) {
  .hero-title { font-size: 2rem; }
  .hero-scene { max-width: 260px; }
  .footer-cols { grid-template-columns: 1fr; }
}

/* ============ 无障碍：减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .ink-a, .ink-b { stroke-dashoffset: 0 !important; }
}