/* ============================================================
   Idea Tracker 官网设计系统 — Liquid Glass
   品牌色：#F59E0B 琥珀金 / #FFB347 暖橙（与 App 一致）
   规范要点：渐变底 + 高模糊 + 饱和度增强 + 多层阴影 + 内发光
   ============================================================ */

:root {
  /* 品牌色 */
  --gold: #f59e0b;
  --amber: #ffb347;
  --gold-glow: rgba(245, 158, 11, 0.55);

  /* 玻璃面板 */
  --glass-bg: linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0.05));
  --glass-border: rgba(255,255,255,0.18);
  --glass-ring: rgba(255,255,255,0.1);

  /* 阴影层级（液态玻璃专用多层阴影） */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.25);
  --shadow-md: 0 8px 28px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.3);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.08), inset 0 1px 0 rgba(255,255,255,0.35);
  --shadow-hover: 0 24px 70px rgba(0,0,0,0.42), 0 0 0 1px rgba(255,255,255,0.12), inset 0 1px 0 rgba(255,255,255,0.4);

  /* 动效 */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* 圆角 */
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

/* ---------- 基础 ---------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* 锚点滚动时为固定导航留出空间 */
section[id] {
  scroll-margin-top: 84px;
}

/* 键盘焦点与文本选中（无障碍 + 品牌色） */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}
::selection {
  background: rgba(245, 158, 11, 0.35);
  color: #fff;
}

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.16);
  border-radius: 999px;
  border: 2px solid #14101f;
}
::-webkit-scrollbar-track { background: transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #fff;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  background: #14101f;
  -webkit-font-smoothing: antialiased;
}

/* 主背景：深色渐变 + 环境光斑（液态玻璃禁止纯色背景） */
.bg-environment {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(176, 92, 255, 0.30), transparent 60%),
    radial-gradient(1000px 760px at 88% 4%, rgba(245, 158, 11, 0.24), transparent 58%),
    radial-gradient(900px 800px at 50% 112%, rgba(64, 156, 255, 0.20), transparent 60%),
    linear-gradient(168deg, #1c1630 0%, #171226 34%, #14101f 68%, #1a1226 100%);
}

/* 缓慢漂移的光斑（低频，符合液态玻璃禁止频闪的约束） */
.blob {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  will-change: transform;
  animation: blobDrift 22s var(--ease-out) infinite alternate;
}
.blob-1 {
  width: 520px;
  height: 520px;
  left: -140px;
  top: 12%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.36), transparent 70%);
}
.blob-2 {
  width: 460px;
  height: 460px;
  right: -120px;
  top: 42%;
  background: radial-gradient(circle, rgba(176, 92, 255, 0.30), transparent 70%);
  animation-delay: -8s;
}
.blob-3 {
  width: 420px;
  height: 420px;
  left: 28%;
  bottom: -160px;
  background: radial-gradient(circle, rgba(64, 156, 255, 0.26), transparent 70%);
  animation-delay: -15s;
}
@keyframes blobDrift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(60px, -40px, 0) scale(1.12); }
}

/* ---------- 玻璃面板通用 ---------- */

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-border);
  -webkit-box-shadow: var(--shadow-lg);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  position: relative;
}

.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(to bottom, rgba(255,255,255,0.18), transparent);
  pointer-events: none;
}

/* ---------- 导航 ---------- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 8vw;
  background: rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.14);
  transition: background 0.4s var(--ease-out);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: #fff;
  text-decoration: none;
  transition: opacity 0.3s;
}
.brand:hover { opacity: 0.85; }
.brand .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #fbbf24, #f59e0b 55%, #d97706);
  box-shadow: 0 4px 14px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,0.5);
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: 999px;
  transition: all 0.3s var(--ease-out);
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.12);
}

.nav-links .btn-download {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.28);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  font-weight: 600;
}
.nav-links .btn-download:hover {
  background: rgba(255,255,255,0.3);
  -webkit-transform: translateY(-1px);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* ---------- 布局容器 ---------- */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber);
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.1);
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.section-head p {
  margin-top: 14px;
  color: rgba(255,255,255,0.7);
  font-size: 1.02rem;
}
.section-head .grad {
  background: linear-gradient(92deg, #fbbf24, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Hero ---------- */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 120px 0 70px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--gold-glow);
}

.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 3.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 .grad {
  background: linear-gradient(94deg, #fcd34d, #f59e0b 60%, #fb923c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-sub {
  font-size: 1.12rem;
  color: rgba(255,255,255,0.75);
  max-width: 30em;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* App Store 徽章按钮 */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-radius: 18px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.3);
  color: #fff;
  text-decoration: none;
  transition: all 0.45s var(--ease-spring);
}
.appstore-badge svg { width: 30px; height: 30px; }
.appstore-badge .badge-text { line-height: 1.15; }
.appstore-badge .badge-micro { font-size: 0.68rem; color: rgba(255,255,255,0.75); }
.appstore-badge .badge-title { font-size: 1.02rem; font-weight: 600; }
.appstore-badge:hover {
  -webkit-transform: translateY(-3px) scale(1.02);
  transform: translateY(-3px) scale(1.02);
  background: rgba(255,255,255,0.24);
  box-shadow: 0 18px 44px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.4);
}

/* Hero 右侧：App 界面玻璃卡片模拟 */
.hero-visual {
  position: relative;
}
.phone-card {
  padding: 26px;
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.24);
  -webkit-backdrop-filter: blur(60px) saturate(180%);
  backdrop-filter: blur(60px) saturate(180%);
  box-shadow: var(--shadow-lg);
}
.phone-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(to bottom, rgba(255,255,255,0.2), transparent);
  pointer-events: none;
}
.pc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.pc-title .name {
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 9px;
}
.pc-title .count {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
}

.idea-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.16);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18);
  transition: all 0.4s var(--ease-spring);
}
.idea-item:hover {
  -webkit-transform: translateX(4px);
  transform: translateX(4px);
  background: rgba(255,255,255,0.15);
}
.idea-item .tint {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 17px;
}
.idea-item .tint.yellow { background: rgba(250, 204, 21, 0.22); box-shadow: inset 0 0 0 1px rgba(250,204,21,0.35); }
.idea-item .tint.blue   { background: rgba(59, 130, 246, 0.22); box-shadow: inset 0 0 0 1px rgba(59,130,246,0.35); }
.idea-item .tint.green  { background: rgba(34, 197, 94, 0.22); box-shadow: inset 0 0 0 1px rgba(34,197,94,0.35); }
.idea-item .body { flex: 1; min-width: 0; }
.idea-item .body .t {
  font-size: 0.94rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.idea-item .body .m {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  gap: 6px;
  align-items: center;
}
.idea-item .status {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}
.idea-item .status.done {
  color: #86efac;
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(34,197,94,0.3);
}
.idea-item .status.todo {
  color: #fde68a;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245,158,11,0.3);
}

/* 漂浮小徽章（衬托玻璃层次） */
.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255,255,255,0.13);
  border: 1px solid rgba(255,255,255,0.26);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  box-shadow: var(--shadow-md);
  animation: floatY 6s ease-in-out infinite;
}
.float-chip b { color: var(--amber); }
.chip-a { top: -20px; right: 6px; }
.chip-b { bottom: -18px; left: -10px; animation-delay: -3s; }
@keyframes floatY {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); }
  50%      { -webkit-transform: translateY(-10px); transform: translateY(-10px); }
}

/* ---------- 功能矩阵 ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  transition: all 0.5s var(--ease-spring);
  cursor: default;
}
.feature-card:hover {
  -webkit-transform: translateY(-6px);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.08));
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 18px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}
.feature-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.68);
}
.feature-card ul {
  list-style: none;
  margin-top: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.72);
}
.feature-card ul li {
  padding: 3px 0 3px 20px;
  position: relative;
}
.feature-card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 0 8px var(--gold-glow);
}

/* ---------- 数据安全区 ---------- */

.security-band {
  border-radius: 30px;
  padding: 56px 48px;
  text-align: center;
}
.security-band h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.security-band .lead {
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 38px;
  font-size: 1.02rem;
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 760px;
  margin: 0 auto;
}
.security-item {
  padding: 20px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.16);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  backdrop-filter: blur(24px) saturate(170%);
}
.security-item .s-icon { font-size: 26px; margin-bottom: 10px; }
.security-item .s-title { font-weight: 600; font-size: 0.98rem; }
.security-item .s-desc {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.62);
  margin-top: 6px;
}

/* ---------- 设备 / CTA ---------- */

.devices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.device-card {
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  text-align: center;
}
.device-card .d-icon { font-size: 40px; margin-bottom: 14px; }
.device-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.device-card p { font-size: 0.92rem; color: rgba(255,255,255,0.68); }

.cta {
  position: relative;
  text-align: center;
  padding: 100px 0;
}
.cta::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 620px;
  max-width: 90vw;
  height: 300px;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(245,158,11,0.18), transparent 70%);
  pointer-events: none;
}
.cta h2 {
  font-size: clamp(1.8rem, 4.4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.cta p {
  color: rgba(255,255,255,0.72);
  margin-bottom: 34px;
  font-size: 1.05rem;
}

/* ---------- FAQ ---------- */

.faq-head {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 54px 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-head::before {
  content: "";
  width: 8px;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, #fbbf24, var(--gold));
  box-shadow: 0 0 12px var(--gold-glow);
}

.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item details {
  padding: 20px 24px;
}
.faq-item details > summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item details > summary::-webkit-details-marker { display: none; }
.faq-item details > summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--amber);
  transition: -webkit-transform 0.4s var(--ease-spring);
  transition: transform 0.4s var(--ease-spring);
  flex-shrink: 0;
}
.faq-item details[open] > summary::after {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
.faq-item .faq-a {
  padding-top: 12px;
  color: rgba(255,255,255,0.7);
  font-size: 0.94rem;
}

/* ---------- 页脚 ---------- */

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 48px 0 40px;
  margin-top: 40px;
  background: rgba(0,0,0,0.16);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.footer-brand .brand-mini {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 14px;
  background: linear-gradient(135deg, #fbbf24, #d97706);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.footer-links a {
  color: rgba(255,255,255,0.68);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--amber); }
.footer-copy {
  width: 100%;
  text-align: center;
  color: rgba(255,255,255,0.45);
  font-size: 0.82rem;
  margin-top: 24px;
}

/* ---------- 通用文章页（隐私 / 支持） ---------- */

.page {
  padding: 140px 0 90px;
}
.page-card {
  max-width: 820px;
  margin: 0 auto;
  padding: 52px 56px;
}
.page-card h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.page-meta {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  margin-bottom: 34px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}

.prose { font-size: 0.98rem; color: rgba(255,255,255,0.85); }
.prose h2 {
  font-size: 1.32rem;
  font-weight: 700;
  margin: 42px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--amber);
  letter-spacing: -0.01em;
}
.prose h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin: 28px 0 12px;
}
.prose p { margin: 12px 0; }
.prose ul, .prose ol { margin: 12px 0; padding-left: 24px; }
.prose li { margin: 6px 0; }
.prose strong { color: #fff; }
.prose hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.14);
  margin: 34px 0;
}
.prose a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245,158,11,0.4);
  transition: all 0.3s;
}
.prose a:hover {
  border-bottom-color: var(--amber);
  color: #fcd34d;
}
.prose blockquote {
  margin: 18px 0;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border-left: 3px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.75);
}

.contact-card {
  margin-top: 40px;
  padding: 26px 28px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.28);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.contact-card .c-text { font-size: 0.94rem; color: rgba(255,255,255,0.85); }
.contact-card a {
  color: var(--amber);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(245,158,11,0.4);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 64px; }
  .hero { padding-top: 130px; }
  .hero-visual { max-width: 460px; margin: 0 auto; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .site-nav { padding: 12px 20px; }
  .nav-links .nav-text { display: none; }
  section { padding: 72px 0; }
  .feature-grid, .security-grid, .devices { grid-template-columns: 1fr; }
  .security-band { padding: 44px 24px; }
  .page-card { padding: 36px 24px; }
  .hero-actions .appstore-badge { width: 100%; justify-content: center; }
  .container { padding: 0 18px; }
}

/* 减少动态效果偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* 淡入动画 */
.fade-in {
  opacity: 0;
  -webkit-transform: translateY(24px);
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), -webkit-transform 0.8s var(--ease-out);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.fade-in.visible {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}