/* ===================================================================
 * 丽嘉联合管理 · 官方网站
 * 主题：米色暖调 + 玫瑰金 + 玻璃拟物 + 极致丝滑
 * =================================================================== */

:root {
  --bg:        #FAF7F2;
  --bg-2:      #F4ECDE;
  --bg-3:      #EFE3CC;
  --card:      #FFFFFF;
  --border:    #EEE6D9;
  --border-2:  #DCCFB7;
  --text:      #3D2E1E;
  --text-2:    #6B5840;
  --text-3:    #A28A6B;
  --accent:    #B17F5C;
  --accent-2:  #C29A6A;
  --gold:      #D4AF37;
  --green:     #6DB295;
  --green-2:   #4F8E78;
  --warn:      #DC6B5C;
  --shadow-sm: 0 1px 2px rgba(140,100,55,.06), 0 4px 12px rgba(140,100,55,.05);
  --shadow:    0 4px 14px rgba(140,100,55,.10), 0 18px 44px rgba(140,100,55,.10);
  --shadow-lg: 0 8px 30px rgba(140,100,55,.14), 0 30px 80px rgba(140,100,55,.18);
  --radius:    16px;
  --radius-lg: 28px;
  --t-fast:    .25s cubic-bezier(.22,.61,.36,1);
  --t-med:     .55s cubic-bezier(.22,.61,.36,1);
  --t-slow:    1.1s cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: var(--accent); color: #fff; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; }

/* Lenis 顺滑滚动需要 */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: clip; }

/* ============ 鼠标跟随光晕 ============ */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,.18) 0%, rgba(177,127,92,.05) 40%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  transition: opacity .3s;
  mix-blend-mode: multiply;
  will-change: transform;
}

/* ============ 导航栏 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all var(--t-fast);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(250,247,242,.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(220,207,183,.5);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px;
  color: var(--text);
}
.nav-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(177,127,92,.3);
}
.nav-links {
  display: flex; align-items: center; gap: 28px;
  font-size: 14px; color: var(--text-2);
}
.nav-links a { transition: color var(--t-fast); position: relative; }
.nav-links a:not(.nav-cta):hover { color: var(--accent); }
.nav-cta {
  background: var(--text);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 100px;
  font-weight: 600;
  transition: all var(--t-fast);
}
.nav-cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(177,127,92,.35);
}

/* ============ Section 通用 ============ */
.section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 32px;
  overflow: hidden;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}
.eyebrow.center { display: block; text-align: center; }
.h2 {
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text);
}
.h2.center { text-align: center; }
.p {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 32px;
}
.p.center { text-align: center; margin: 0 auto 48px; }

.bullets { list-style: none; }
.bullets li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.bullets li:last-child { border-bottom: 0; }
.b-dot {
  flex: 0 0 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  margin-top: 8px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  transition: all var(--t-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--text), #2A1E12);
  color: #fff;
  box-shadow: 0 10px 30px rgba(61,46,30,.25);
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  transition: left .6s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(61,46,30,.35);
}
.btn-primary:hover::before { left: 100%; }
.btn-ghost {
  background: rgba(255,255,255,.7);
  color: var(--text);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ============ Hero ============ */
.hero {
  background:
    radial-gradient(ellipse 1200px 800px at 20% 10%, rgba(212,175,55,.12), transparent 60%),
    radial-gradient(ellipse 1000px 600px at 80% 90%, rgba(177,127,92,.10), transparent 60%),
    var(--bg);
  padding-top: 140px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .6;
  will-change: transform;
}
.blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212,175,55,.4), transparent 70%);
  top: -10%; left: -5%;
  animation: blob-float-1 18s ease-in-out infinite;
}
.blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(177,127,92,.35), transparent 70%);
  top: 40%; right: -10%;
  animation: blob-float-2 22s ease-in-out infinite;
}
.blob-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(109,178,149,.25), transparent 70%);
  bottom: -10%; left: 30%;
  animation: blob-float-3 26s ease-in-out infinite;
}
@keyframes blob-float-1 {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(60px, 40px) scale(1.1); }
}
@keyframes blob-float-2 {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-80px, 50px) scale(.9); }
}
@keyframes blob-float-3 {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(50px, -60px) scale(1.15); }
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(177,127,92,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(177,127,92,.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--border-2);
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

.hero-title {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-title .line { display: block; }
.hero-title .gradient {
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 50%, var(--gold) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-flow 8s ease infinite;
}
@keyframes gradient-flow {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-name-hint {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-3);
  background: rgba(255,255,255,.6);
  border: 1px dashed var(--border-2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
  margin-top: -12px;
}
.hero-sub {
  font-size: 19px;
  color: var(--text-2);
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 80px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 32px;
  background: rgba(255,255,255,.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}
.hero-stats .stat .num {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.hero-stats .stat .lbl {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 6px;
}

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 2px;
  z-index: 2;
}
.mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--text-3);
  border-radius: 12px;
  position: relative;
}
.wheel {
  position: absolute;
  top: 6px; left: 50%;
  width: 3px; height: 7px;
  background: var(--text-3);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: wheel 1.6s ease-in-out infinite;
}
@keyframes wheel {
  0%   { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 14px); opacity: 0; }
}

/* ============ Feature Section ============ */
.feature {
  background: var(--bg);
}
.feature.reverse { background: var(--bg-2); }
.ai-section {
  background:
    radial-gradient(ellipse 800px 600px at 80% 20%, rgba(109,178,149,.10), transparent 60%),
    radial-gradient(ellipse 600px 800px at 20% 80%, rgba(212,175,55,.08), transparent 60%),
    var(--bg);
}
.feature-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature.reverse .feature-inner > .feature-text { order: 2; }
.feature.reverse .feature-inner > .feature-visual { order: 1; }

.feature-visual {
  position: relative;
}

/* ============ Mock Cards ============ */
.mock-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  transition: transform var(--t-med);
  position: relative;
}
.mock-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(212,175,55,.3), rgba(177,127,92,.3));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--t-med);
}
.mock-card:hover { transform: translateY(-8px) rotate(-.5deg); }
.mock-card:hover::before { opacity: 1; }
.mc-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mc-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px dashed var(--border);
}
.mc-row:last-child { border-bottom: 0; }
.mc-row .g {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--bg-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 13px;
  color: var(--accent);
}
.mc-row.vip .g {
  background: linear-gradient(135deg, #FCD34D, #B45309);
  color: #fff;
}
.mc-row.warn .g {
  background: var(--warn);
  color: #fff;
}
.mc-row .n { color: var(--text); font-weight: 500; }
.mc-row .v { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }

.mock-dash .big-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.mock-dash .big-num .up {
  font-size: 13px;
  color: var(--green-2);
  font-weight: 600;
  margin-left: 6px;
}
.bar-row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  margin: 16px 0 20px;
}
.bar {
  flex: 1;
  height: var(--w);
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  border-radius: 4px 4px 0 0;
  position: relative;
  animation: bar-grow 1.2s var(--t-slow) backwards;
}
.bar:nth-child(1) { animation-delay: .05s; }
.bar:nth-child(2) { animation-delay: .10s; }
.bar:nth-child(3) { animation-delay: .15s; }
.bar:nth-child(4) { animation-delay: .20s; }
.bar:nth-child(5) { animation-delay: .25s; }
.bar:nth-child(6) { animation-delay: .30s; }
.bar:nth-child(7) { animation-delay: .35s; }
@keyframes bar-grow {
  from { height: 0; opacity: 0; }
  to   { height: var(--w); opacity: 1; }
}

.mock-ai .ai-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green);
  animation: ai-pulse 2s infinite;
}
@keyframes ai-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(109,178,149,.7); }
  70%  { box-shadow: 0 0 0 10px rgba(109,178,149,0); }
  100% { box-shadow: 0 0 0 0 rgba(109,178,149,0); }
}
.ai-msg { display: flex; gap: 10px; margin: 12px 0; align-items: flex-start; }
.ai-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex: 0 0 32px;
}
.ai-bubble {
  background: var(--bg-2);
  padding: 10px 14px;
  border-radius: 12px;
  border-top-left-radius: 4px;
  font-size: 13px;
  flex: 1;
}
.ai-bubble.warn {
  background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
  border: 1px solid #FCA5A5;
}
.ai-bubble strong { display: block; margin-bottom: 4px; }
.ai-bubble .ai-meta { font-size: 11px; color: var(--text-3); }
.ai-actions { display: flex; gap: 8px; margin-top: 14px; }
.ai-actions button {
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: var(--text);
  color: #fff;
  transition: all var(--t-fast);
}
.ai-actions button:nth-child(2) {
  background: var(--bg-2);
  color: var(--text-2);
}
.ai-actions button:hover { transform: translateY(-1px); }

/* ============ Platforms Section ============ */
.platforms {
  background:
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  padding: 140px 32px;
}
.platforms-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.plat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--t-med);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.plat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-2);
}
.plat-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform var(--t-med);
}
.plat-card:hover .plat-icon { transform: scale(1.15) rotate(-6deg); }
.plat-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.plat-desc {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 14px;
}
.plat-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}
.plat-badge.ready {
  background: rgba(109,178,149,.15);
  color: var(--green-2);
}
.plat-badge.soon {
  background: var(--bg-2);
  color: var(--text-3);
}

/* ============ Download Section ============ */
.download-section {
  background:
    radial-gradient(ellipse 1000px 600px at 50% 0%, rgba(212,175,55,.10), transparent 60%),
    var(--bg);
  padding: 140px 32px;
}
.download-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.download-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 48px 0;
}
.dl-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: all var(--t-med);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.dl-card::after {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,.1), transparent);
  transition: left .8s;
}
.dl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-2);
}
.dl-card:hover::after { left: 100%; }
.dl-card.primary {
  background: linear-gradient(135deg, var(--text), #1F1610);
  color: #fff;
  border-color: var(--text);
}
.dl-card.primary .dl-name,
.dl-card.primary .dl-meta { color: #fff; }
.dl-card.primary .dl-meta { opacity: .7; }
.dl-card.disabled { opacity: .6; cursor: not-allowed; }
.dl-os {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--bg-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: var(--accent);
  flex: 0 0 52px;
}
.dl-card.primary .dl-os {
  background: rgba(255,255,255,.1);
  color: var(--gold);
}
.dl-info { flex: 1; }
.dl-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.dl-meta {
  font-size: 12px;
  color: var(--text-3);
}
.dl-btn {
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--t-fast);
}
.dl-card.primary .dl-btn {
  background: var(--gold);
  color: var(--text);
}
.dl-btn.soon {
  background: var(--bg-2);
  color: var(--text-3);
}
.dl-btn.web {
  background: var(--green);
  color: #fff;
}

/* 卡片标题里的小状态徽章 */
.dl-status {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 100px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: .5px;
}
.dl-status.ready {
  color: var(--green-2);
  background: rgba(109,178,149,.15);
  border: 1px solid rgba(109,178,149,.4);
}
.dl-status.soon {
  color: var(--text-3);
  background: var(--bg-2);
  border: 1px dashed var(--border-2);
}
.dl-card.primary .dl-status.ready {
  color: var(--gold);
  background: rgba(212,175,55,.15);
  border-color: rgba(212,175,55,.5);
}

.install-tips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px dashed var(--border-2);
}
.tip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-2);
}
.t-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex: 0 0 26px;
}

/* ============ Footer ============ */
.footer {
  background: var(--text);
  color: #D6CAB5;
  padding: 80px 32px 30px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 60px;
}
.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.f-logo {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.f-name { font-size: 18px; font-weight: 700; color: #fff; }
.f-tagline { font-size: 13px; color: #9A8B6F; margin-top: 4px; }
.f-statement { font-size: 11px; color: #6B5D44; margin-top: 8px; line-height: 1.5; max-width: 280px; }
.f-col span.muted { display: block; font-size: 12px; color: #6B5D44; padding: 4px 0; }
.dot-sep { color: #6B5D44; opacity: .6; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.f-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.f-col a {
  display: block;
  font-size: 13px;
  color: #9A8B6F;
  padding: 4px 0;
  transition: color var(--t-fast);
}
.f-col a:hover { color: var(--gold); }
.f-col a.muted { color: #6B5D44; cursor: default; }

.footer-bottom {
  max-width: 1200px;
  margin: 60px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: #6B5D44;
}

/* ============ 进场动画初始状态 ============ */
[data-anim] {
  opacity: 0;
}
[data-anim].is-in { opacity: 1; }
[data-anim="fade-up"] { transform: translateY(40px); transition: opacity .9s var(--t-slow), transform .9s var(--t-slow); }
[data-anim="fade-up"].is-in { transform: translateY(0); }
[data-anim="visual"] { transform: scale(.92) translateY(40px); transition: opacity 1.2s var(--t-slow), transform 1.2s var(--t-slow); }
[data-anim="visual"].is-in { transform: scale(1) translateY(0); }
[data-anim="stagger"] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--t-slow), transform .7s var(--t-slow);
}
[data-anim="stagger"].is-in > * { opacity: 1; transform: translateY(0); }
[data-anim="stagger"].is-in > *:nth-child(1) { transition-delay: .05s; }
[data-anim="stagger"].is-in > *:nth-child(2) { transition-delay: .12s; }
[data-anim="stagger"].is-in > *:nth-child(3) { transition-delay: .19s; }
[data-anim="stagger"].is-in > *:nth-child(4) { transition-delay: .26s; }
[data-anim="stagger"].is-in > *:nth-child(5) { transition-delay: .33s; }
[data-anim="stagger"].is-in > *:nth-child(6) { transition-delay: .40s; }
[data-anim="text"] { transform: translateY(20px); transition: opacity .9s var(--t-slow), transform .9s var(--t-slow); }
[data-anim="text"].is-in { transform: translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .feature-inner { grid-template-columns: 1fr; gap: 40px; }
  .feature.reverse .feature-inner > .feature-text,
  .feature.reverse .feature-inner > .feature-visual { order: 0; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .download-cards { grid-template-columns: 1fr; }
  .install-tips { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 24px; }
  .cursor-glow { display: none; }
}
@media (max-width: 640px) {
  .hero { padding-top: 120px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}