/* VsrTap 官网共享样式 — 深色科技蓝 */
:root {
  --bg: #1A1A2E;
  --bg-deep: #12121F;
  --card: #16213E;
  --card-hover: #1B2A4A;
  --primary: #4A90D9;
  --primary-hover: #5FA3E8;
  --text: #EAEAEA;
  --text-2: #8892B0;
  --text-3: #5A6A8A;
  --success: #4CAF50;
  --warning: #FF9800;
  --error: #F44336;
  --accent-purple: #B388FF;
  --accent-green: #4CAF50;
  --accent-orange: #FF9800;
  --accent-red: #F44336;
  --border: rgba(74, 144, 217, 0.18);
  --radius-card: 12px;
  --radius-btn: 8px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

code, .mono {
  font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}
.nav-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  color: var(--text-2);
  font-size: 14px;
}
.nav-links a:hover { color: var(--text); }
.nav-links .btn { font-size: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,18,31,0.55) 0%, rgba(26,26,46,0.72) 55%, var(--bg) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 24px 96px;
  width: 100%;
}
.hero h1 {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.15;
}
.hero h1 .accent { color: var(--primary); }
.hero-sub {
  margin-top: 18px;
  font-size: 20px;
  color: var(--text);
  max-width: 640px;
}
.hero-desc {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-2);
  max-width: 560px;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-hint {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-3);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 6px); }
}

/* ---------- 通用区块 ---------- */
.section { padding: 88px 24px; }
.section-inner { max-width: var(--maxw); margin: 0 auto; }
.section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
}
.section-sub {
  text-align: center;
  color: var(--text-2);
  margin-top: 12px;
  font-size: 15px;
}
.section-alt { background: var(--bg-deep); }

/* ---------- 特性网格 ---------- */
.feature-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  transition: background 0.15s, border-color 0.15s;
}
.feature-card:hover { background: var(--card-hover); border-color: var(--primary); }
.feature-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(74, 144, 217, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-2); }

/* ---------- 三步闭环 ---------- */
.pipeline {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 12px;
}
.pipe-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  text-align: center;
}
.pipe-step .step-no {
  display: inline-block;
  width: 28px; height: 28px;
  line-height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
}
.pipe-step h3 { font-size: 16px; margin-bottom: 8px; }
.pipe-step p { font-size: 13px; color: var(--text-2); }
.pipe-arrow {
  align-self: center;
  color: var(--primary);
  font-size: 22px;
}

.dsl-demo {
  margin-top: 40px;
  background: #0D0D1A;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.dsl-demo-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-3);
}
.dsl-demo-bar .win-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.dsl-demo pre {
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.8;
  overflow-x: auto;
  font-family: "JetBrains Mono", Consolas, monospace;
}
.tok-comment { color: #5A6A8A; }
.tok-kw { color: #4A90D9; }
.tok-type { color: #B388FF; }
.tok-str { color: #4CAF50; }
.tok-var { color: #FF9800; }

/* ---------- 场景 ---------- */
.scene-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.scene-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
}
.scene-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--primary); }
.scene-card p { font-size: 13px; color: var(--text-2); }

/* ---------- 价格 ---------- */
.price-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
}
.price-card.hot {
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(74, 144, 217, 0.15);
  position: relative;
}
.price-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  padding: 2px 12px;
  border-radius: 99px;
  white-space: nowrap;
}
.price-name { font-size: 15px; color: var(--text-2); }
.price-amount {
  margin-top: 10px;
  font-size: 34px;
  font-weight: 800;
}
.price-amount small { font-size: 14px; color: var(--text-3); font-weight: 400; }
.price-quota {
  margin-top: 6px;
  font-size: 13px;
  color: var(--primary);
}
.price-list {
  margin: 18px 0 24px;
  list-style: none;
  flex: 1;
}
.price-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 5px 0;
  padding-left: 20px;
  position: relative;
}
.price-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
}

/* ---------- 合规 & 页脚 ---------- */
.compliance {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  line-height: 1.9;
}
.compliance strong { color: var(--warning); }

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
}
footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

/* ---------- 表单页（登录/注册） ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 90px 20px 40px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
}
.auth-card h1 { font-size: 24px; text-align: center; }
.auth-card .auth-sub {
  text-align: center;
  color: var(--text-2);
  font-size: 14px;
  margin-top: 8px;
  margin-bottom: 28px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus { border-color: var(--primary); }
.form-hint { font-size: 12px; color: var(--text-3); margin-top: 5px; }
.form-msg {
  display: none;
  padding: 10px 14px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  margin-bottom: 16px;
}
.form-msg.error { display: block; background: rgba(244, 67, 54, 0.12); color: var(--error); }
.form-msg.ok { display: block; background: rgba(76, 175, 80, 0.12); color: var(--success); }
.auth-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-2);
}

.quota-card {
  display: none;
  margin-top: 8px;
}
.quota-card.show { display: block; }
.quota-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.quota-row:last-child { border-bottom: none; }
.quota-row .k { color: var(--text-2); }
.quota-bar {
  height: 8px;
  background: var(--bg-deep);
  border-radius: 99px;
  margin: 14px 0 6px;
  overflow: hidden;
}
.quota-bar i {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 99px;
}

/* ---------- 强调色变体（按 UI 文档色板） ---------- */
.feature-icon.purple { background: rgba(179, 136, 255, 0.12); color: var(--accent-purple); }
.feature-icon.green  { background: rgba(76, 175, 80, 0.12);  color: var(--accent-green); }
.feature-icon.orange { background: rgba(255, 152, 0, 0.12);  color: var(--accent-orange); }

.feature-card.purple:hover { border-color: var(--accent-purple); }
.feature-card.green:hover  { border-color: var(--accent-green); }
.feature-card.orange:hover { border-color: var(--accent-orange); }

.pipe-step.blue   { border-top: 2px solid var(--primary); }
.pipe-step.purple { border-top: 2px solid var(--accent-purple); }
.pipe-step.green  { border-top: 2px solid var(--accent-green); }
.pipe-step.purple .step-no { background: var(--accent-purple); }
.pipe-step.green  .step-no { background: var(--accent-green); }

.price-card.studio { border-color: var(--accent-purple); }
.price-card.studio .price-quota { color: var(--accent-purple); }
.price-card .price-badge.orange { background: var(--accent-orange); color: #1A1A2E; }

.scene-card.blue   { border-left: 2px solid var(--primary); }
.scene-card.purple { border-left: 2px solid var(--accent-purple); }
.scene-card.purple h3 { color: var(--accent-purple); }
.scene-card.green  { border-left: 2px solid var(--accent-green); }
.scene-card.green h3 { color: var(--accent-green); }
.scene-card.orange { border-left: 2px solid var(--accent-orange); }
.scene-card.orange h3 { color: var(--accent-orange); }

/* ---------- App 界面预览（产品实机模拟） ---------- */
.device-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  justify-items: center;
}
.device {
  margin: 0;
  width: 100%;
  max-width: 268px;
}
.device-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 19;
  background: #0D0D1A;
  border: 7px solid #23233A;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.device-notch {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 46%;
  height: 16px;
  background: #23233A;
  border-radius: 0 0 10px 10px;
  z-index: 3;
}
.device-figure { display: block; }

/* 模拟状态栏（悬浮监控条） */
.sim-statusbar {
  position: absolute;
  top: 18px; left: 0; right: 0;
  height: 26px;
  background: rgba(18, 18, 31, 0.86);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  font-size: 10px;
  font-family: "JetBrains Mono", Consolas, monospace;
  color: #EAEAEA;
  z-index: 2;
}
.sim-statusbar .dot-live {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}
.sim-statusbar .sim-progress { color: var(--text-3); margin-left: auto; }

/* 脚本编辑器模拟 */
.sim-editor {
  padding: 52px 10px 84px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 9px;
  line-height: 1.9;
}
.sim-editor .ln {
  display: flex;
  gap: 8px;
  white-space: pre;
}
.sim-editor .no {
  color: #3A4560;
  width: 12px;
  text-align: right;
  flex: none;
}
.sim-editor .bar {
  height: 1px;
  background: rgba(74, 144, 217, 0.12);
  margin: 6px 0;
}

/* 运行监控模拟（含识别框） */
.sim-game {
  position: absolute;
  inset: 44px 0 0;
  background:
    linear-gradient(160deg, #1B2A4A 0%, #16213E 45%, #101828 100%);
}
.sim-game .hud {
  position: absolute;
  left: 8px; top: 8px; right: 8px;
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: rgba(234, 234, 234, 0.65);
  font-family: "JetBrains Mono", Consolas, monospace;
}
.sim-box {
  position: absolute;
  border: 1.5px solid var(--primary);
  border-radius: 3px;
}
.sim-box::after {
  content: attr(data-label);
  position: absolute;
  top: -12px; left: -1px;
  font-size: 7px;
  padding: 1px 4px;
  border-radius: 2px;
  font-family: "JetBrains Mono", Consolas, monospace;
  white-space: nowrap;
}
.sim-box.yolo { border-color: var(--primary); }
.sim-box.yolo::after { background: var(--primary); color: #0D0D1A; }
.sim-box.ocr { border-color: var(--accent-green); }
.sim-box.ocr::after { background: var(--accent-green); color: #0D0D1A; }
.sim-box.vl { border-color: var(--accent-purple); }
.sim-box.vl::after { background: var(--accent-purple); color: #0D0D1A; }

.sim-control-ball {
  position: absolute;
  right: 10px; bottom: 26px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(74, 144, 217, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 3;
}
.sim-navbar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 26px;
  background: rgba(18, 18, 31, 0.92);
  display: flex;
  align-items: center;
  justify-content: space-around;
  font-size: 8px;
  color: var(--text-3);
  z-index: 2;
}
.sim-navbar .on { color: var(--primary); }

/* 队列列表模拟 */
.sim-list { padding: 50px 10px 56px; }

.sim-bottom-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 46px;
  background: rgba(18, 18, 31, 0.94);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  z-index: 3;
}
.sim-btn {
  flex: 1;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}
.sim-btn.ghost { border: 1px solid var(--border); color: var(--text-2); }
.sim-btn.solid { background: var(--primary); color: #fff; }
.sim-status-line {
  position: absolute;
  left: 0; right: 0; bottom: 46px;
  padding: 6px 10px;
  font-size: 8px;
  color: var(--accent-green);
  background: rgba(76, 175, 80, 0.07);
  border-top: 1px solid rgba(76, 175, 80, 0.2);
  font-family: "JetBrains Mono", Consolas, monospace;
  z-index: 3;
}
.sim-summary {
  position: absolute;
  left: 0; right: 0; bottom: 26px;
  height: 40px;
  background: rgba(74, 144, 217, 0.08);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 9px;
  color: var(--text-2);
  z-index: 3;
}
.sim-summary b { color: var(--accent-green); font-size: 11px; }
.sim-list-title {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.sim-queue-item {
  background: rgba(74, 144, 217, 0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
}
.sim-queue-item .row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
}
.sim-queue-item .name { color: var(--text); }
.sim-pill {
  font-size: 8px;
  padding: 2px 6px;
  border-radius: 99px;
}
.sim-pill.run  { background: rgba(74, 144, 217, 0.18); color: var(--primary); }
.sim-pill.done { background: rgba(76, 175, 80, 0.18);  color: var(--accent-green); }
.sim-pill.wait { background: rgba(255, 152, 0, 0.18);  color: var(--accent-orange); }
.sim-queue-item .mini-bar {
  height: 3px;
  background: rgba(255,255,255,0.07);
  border-radius: 99px;
  margin-top: 7px;
  overflow: hidden;
}
.sim-queue-item .mini-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--primary);
}
.sim-queue-item .mini-bar i.green { background: var(--accent-green); }
.sim-queue-item .mini-bar i.orange { background: var(--accent-orange); }
.sim-queue-item .acct {
  font-size: 8px;
  color: var(--text-3);
  margin-top: 5px;
  font-family: "JetBrains Mono", Consolas, monospace;
}

.device figcaption {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
}
.device figcaption strong { color: var(--text); font-weight: 600; }

/* ---------- 按位置分配强调色（避免整页单一蓝调） ---------- */
.feature-grid .feature-card:nth-child(2) .feature-icon { background: rgba(179, 136, 255, 0.12); color: var(--accent-purple); }
.feature-grid .feature-card:nth-child(3) .feature-icon { background: rgba(76, 175, 80, 0.12);  color: var(--accent-green); }
.feature-grid .feature-card:nth-child(4) .feature-icon { background: rgba(255, 152, 0, 0.12);  color: var(--accent-orange); }
.feature-grid .feature-card:nth-child(6) .feature-icon { background: rgba(179, 136, 255, 0.12); color: var(--accent-purple); }

.feature-grid .feature-card:nth-child(2):hover { border-color: var(--accent-purple); }
.feature-grid .feature-card:nth-child(3):hover { border-color: var(--accent-green); }
.feature-grid .feature-card:nth-child(4):hover { border-color: var(--accent-orange); }
.feature-grid .feature-card:nth-child(6):hover { border-color: var(--accent-purple); }

.pipeline .pipe-step:nth-child(1) { border-top: 2px solid var(--primary); }
.pipeline .pipe-step:nth-child(3) { border-top: 2px solid var(--accent-purple); }
.pipeline .pipe-step:nth-child(5) { border-top: 2px solid var(--accent-green); }
.pipeline .pipe-step:nth-child(3) .step-no { background: var(--accent-purple); }
.pipeline .pipe-step:nth-child(5) .step-no { background: var(--accent-green); }
.pipeline .pipe-arrow:nth-child(2) { color: var(--primary); }
.pipeline .pipe-arrow:nth-child(4) { color: var(--accent-purple); }

.scene-grid .scene-card:nth-child(1) { border-left: 2px solid var(--primary); }
.scene-grid .scene-card:nth-child(2) { border-left: 2px solid var(--accent-purple); }
.scene-grid .scene-card:nth-child(2) h3 { color: var(--accent-purple); }
.scene-grid .scene-card:nth-child(3) { border-left: 2px solid var(--accent-green); }
.scene-grid .scene-card:nth-child(3) h3 { color: var(--accent-green); }
.scene-grid .scene-card:nth-child(4) { border-left: 2px solid var(--accent-orange); }
.scene-grid .scene-card:nth-child(4) h3 { color: var(--accent-orange); }

.price-grid .price-card:nth-child(4) { border-color: var(--accent-purple); }
.price-grid .price-card:nth-child(4) .price-quota { color: var(--accent-purple); }

.dsl-demo-bar .win-dot:nth-child(2) { background: var(--accent-orange); }
.dsl-demo-bar .win-dot:nth-child(3) { background: var(--accent-green); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .device-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; }
  .pipe-arrow { transform: rotate(90deg); }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 17px; }
  .feature-grid, .scene-grid, .price-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .section { padding: 64px 20px; }
  .section-title { font-size: 26px; }
}