/* ========== AI旅拍 Web 前端 — 奢华主题 ========== */
:root {
  --dark: #0a0a0f;
  --dark2: #111118;
  --dark3: #1a1a26;
  --dark4: #222236;
  --card: #141420;
  --gold: #c9a84c;
  --gold-light: #d4b85f;
  --gold-dark: #a88a38;
  --gold-glow: rgba(201, 168, 76, 0.25);
  --white: #ffffff;
  --white-soft: #e8e6e3;
  --gray: #8a8a9a;
  --gray-light: #5a5a6e;
  --red: #e74c3c;
  --green: #2ecc71;
  --blue: #3498db;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-gold: 0 4px 24px rgba(201,168,76,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--dark);
  color: var(--white-soft);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* ===== 背景粒子动画 ===== */
.bg-particles {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.bg-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(201,168,76,0.08);
  animation: float-up linear infinite;
}
@keyframes float-up {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

/* ===== 导航栏 ===== */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(201,168,76,0.12);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 700;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo img { width: 40px; height: 40px; border-radius: 10px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 15px; color: var(--gray);
  transition: var(--transition); position: relative;
  padding: 8px 0;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold-light);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--gold);
  transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-user { display: flex; align-items: center; gap: 16px; }
.nav-user .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--gold); object-fit: cover;
}
.nav-user .username { font-size: 14px; color: var(--white-soft); }
.nav-btn {
  padding: 8px 20px; border-radius: 24px; font-size: 14px; font-weight: 500;
  transition: var(--transition); cursor: pointer; border: none;
}
.nav-btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--dark);
}
.nav-btn-primary:hover { box-shadow: var(--shadow-gold); transform: translateY(-1px); }
.nav-btn-outline {
  background: transparent; color: var(--gold-light);
  border: 1px solid rgba(201,168,76,0.3);
}
.nav-btn-outline:hover { background: rgba(201,168,76,0.1); }

/* 移动端汉堡菜单 */
.nav-hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--gold); transition: var(--transition);
}
.nav-mobile {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(10,10,15,0.95); backdrop-filter: blur(16px);
  z-index: 999; padding: 24px; flex-direction: column; gap: 8px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 16px 20px; border-radius: var(--radius);
  font-size: 16px; color: var(--gray); transition: var(--transition);
}
.nav-mobile a:hover, .nav-mobile a.active {
  background: rgba(201,168,76,0.08); color: var(--gold-light);
}

/* ===== 页面容器 ===== */
.page-wrap {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto; padding: 32px 24px;
  min-height: calc(100vh - 72px - 200px);
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative; z-index: 1;
  text-align: center; padding: 80px 24px 60px;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 70%);
}
.hero-badge {
  display: inline-block; padding: 6px 18px; border-radius: 20px;
  border: 1px solid rgba(201,168,76,0.3);
  font-size: 13px; color: var(--gold-light); margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 6vw, 56px); font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light) 0%, #f0d680 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 16px; line-height: 1.2;
}
.hero p {
  font-size: 18px; color: var(--gray); max-width: 600px; margin: 0 auto 32px;
}
.hero-stats {
  display: flex; justify-content: center; gap: 48px; margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 36px; font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label { font-size: 14px; color: var(--gray); margin-top: 4px; }

/* ===== 搜索栏 ===== */
.search-bar {
  display: flex; align-items: center; gap: 12px;
  max-width: 560px; margin: 0 auto;
  background: var(--dark3); border: 1px solid rgba(201,168,76,0.2);
  border-radius: 48px; padding: 6px 6px 6px 24px;
  transition: var(--transition);
}
.search-bar:focus-within {
  border-color: var(--gold); box-shadow: var(--shadow-gold);
}
.search-bar input {
  flex: 1; background: transparent; border: none; outline: none;
  font-size: 16px; color: var(--white); padding: 12px 0;
}
.search-bar input::placeholder { color: var(--gray-light); }
.search-bar button {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--dark); transition: var(--transition);
}
.search-bar button:hover { box-shadow: var(--shadow-gold); }

/* ===== 区块标题 ===== */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
}
.section-title {
  font-size: 28px; font-weight: 700;
  background: linear-gradient(135deg, var(--white-soft), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-more {
  font-size: 14px; color: var(--gold);
  display: flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.section-more:hover { color: var(--gold-light); }

/* ===== 卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); cursor: pointer;
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(201,168,76,0.3);
  box-shadow: var(--shadow-gold);
}
.card-img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  background: var(--dark3);
}
.card-body { padding: 16px; }
.card-title {
  font-size: 16px; font-weight: 600; color: var(--white-soft);
  margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--gray);
}
.card-price {
  font-size: 18px; font-weight: 700;
  color: var(--gold-light);
}
.card-tag {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
  backdrop-filter: blur(8px);
}
.tag-hot { background: rgba(231,76,60,0.85); color: white; }
.tag-new { background: rgba(46,204,113,0.85); color: white; }
.tag-free { background: rgba(201,168,76,0.85); color: var(--dark); }
.card-rating {
  position: absolute; top: 12px; right: 12px;
  display: flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 16px;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  font-size: 12px; color: var(--gold-light); font-weight: 600;
}

/* ===== 题材卡片 ===== */
.scene-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  cursor: pointer; transition: var(--transition);
}
.scene-card:hover { transform: scale(1.02); }
.scene-card img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
}
.scene-card-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px 20px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}
.scene-card-overlay h3 { font-size: 20px; font-weight: 700; color: var(--white); }
.scene-card-overlay p { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 36px; border-radius: 50px; font-size: 16px; font-weight: 600;
  border: none; cursor: pointer; transition: var(--transition); text-align: center;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--dark);
}
.btn-gold:hover { box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--gold-light);
  border: 1px solid rgba(201,168,76,0.4);
}
.btn-outline:hover { background: rgba(201,168,76,0.08); }
.btn-block { width: 100%; }
.btn-lg { padding: 18px 48px; font-size: 18px; }
.btn-sm { padding: 8px 20px; font-size: 13px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; margin-bottom: 8px;
  font-size: 14px; color: var(--gray); font-weight: 500;
}
.form-input {
  width: 100%; padding: 14px 18px;
  background: var(--dark3); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius); font-size: 16px; color: var(--white);
  transition: var(--transition);
}
.form-input:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-input::placeholder { color: var(--gray-light); }

/* ===== Tabs ===== */
.tabs {
  display: flex; gap: 4px;
  background: var(--dark3); border-radius: 50px;
  padding: 4px; margin-bottom: 24px;
  overflow-x: auto;
}
.tab {
  padding: 12px 24px; border-radius: 50px;
  font-size: 14px; font-weight: 500; color: var(--gray);
  white-space: nowrap; cursor: pointer; transition: var(--transition);
}
.tab:hover { color: var(--white-soft); }
.tab.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--dark); font-weight: 600;
}

/* ===== 筛选栏 ===== */
.filters {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px;
}
.filter-chip {
  padding: 8px 20px; border-radius: 24px; font-size: 13px; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.1); color: var(--gray);
  background: transparent; transition: var(--transition);
}
.filter-chip:hover, .filter-chip.active {
  border-color: var(--gold); color: var(--gold-light);
  background: rgba(201,168,76,0.08);
}

/* ===== VIP 卡片 ===== */
.vip-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.vip-card {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 36px 28px; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden;
}
.vip-card:hover { transform: translateY(-4px); }
.vip-card.featured {
  border-color: rgba(201,168,76,0.3);
  box-shadow: var(--shadow-gold);
}
.vip-card.featured::before {
  content: '推荐'; position: absolute; top: 12px; right: -30px;
  padding: 4px 40px; font-size: 12px; font-weight: 600;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--dark); transform: rotate(45deg);
}
.vip-card .vip-icon { font-size: 48px; margin-bottom: 16px; }
.vip-card h3 { font-size: 24px; font-weight: 700; color: var(--white-soft); margin-bottom: 8px; }
.vip-card .vip-price {
  font-size: 40px; font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 20px;
}
.vip-card .vip-price small { font-size: 16px; }
.vip-features { list-style: none; text-align: left; margin-bottom: 24px; }
.vip-features li {
  padding: 8px 0; font-size: 14px; color: var(--gray);
  display: flex; align-items: center; gap: 8px;
}
.vip-features li::before { content: '✦'; color: var(--gold); }

/* ===== 订单列表 ===== */
.order-item {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 24px;
  margin-bottom: 16px; transition: var(--transition);
}
.order-item:hover { border-color: rgba(201,168,76,0.2); }
.order-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 12px; flex-wrap: wrap; gap: 12px;
}
.order-no { font-size: 14px; color: var(--gray); font-family: monospace; }
.order-status {
  padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.status-completed { background: rgba(46,204,113,0.15); color: var(--green); }
.status-processing { background: rgba(52,152,219,0.15); color: var(--blue); }
.status-unpaid { background: rgba(243,156,18,0.15); color: #f39c12; }
.status-cancelled, .status-refunded { background: rgba(231,76,60,0.15); color: var(--red); }
.order-body { display: flex; gap: 16px; align-items: center; }
.order-body img {
  width: 80px; height: 80px; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--dark3);
}
.order-info { flex: 1; }
.order-info h4 { font-size: 16px; font-weight: 600; color: var(--white-soft); }
.order-info p { font-size: 13px; color: var(--gray); margin-top: 4px; }
.order-price { font-size: 20px; font-weight: 700; color: var(--gold-light); }

/* ===== 用户资料卡 ===== */
.profile-card {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 32px;
  text-align: center; margin-bottom: 24px;
}
.profile-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  border: 3px solid var(--gold); object-fit: cover; margin-bottom: 16px;
}
.profile-name { font-size: 22px; font-weight: 700; color: var(--white-soft); }
.profile-phone { font-size: 14px; color: var(--gray); margin-top: 4px; }
.profile-badge {
  display: inline-block; margin-top: 12px; padding: 4px 16px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge-vip-gold { background: rgba(201,168,76,0.2); color: var(--gold-light); }
.badge-vip-diamond { background: rgba(74,144,226,0.2); color: #4a90e2; }
.profile-stats {
  display: flex; justify-content: center; gap: 32px; margin-top: 20px;
}
.profile-stat { text-align: center; }
.profile-stat .n { font-size: 24px; font-weight: 700; color: var(--gold-light); }
.profile-stat .l { font-size: 12px; color: var(--gray); }
.profile-menu {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); overflow: hidden;
}
.profile-menu-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition); cursor: pointer;
}
.profile-menu-item:last-child { border-bottom: none; }
.profile-menu-item:hover { background: rgba(201,168,76,0.04); }
.profile-menu-item .left { display: flex; align-items: center; gap: 14px; }
.profile-menu-item .icon { font-size: 22px; }
.profile-menu-item .label { font-size: 15px; color: var(--white-soft); }
.profile-menu-item .right { font-size: 14px; color: var(--gray); }

/* ===== 优惠券 ===== */
.coupon-item {
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 20px 24px;
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 16px; transition: var(--transition);
}
.coupon-item:hover { border-color: rgba(201,168,76,0.2); }
.coupon-amount {
  width: 80px; height: 80px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(201,168,76,0.15), rgba(201,168,76,0.05));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.coupon-amount .price {
  font-size: 24px; font-weight: 800; color: var(--gold-light);
}
.coupon-amount .unit { font-size: 12px; color: var(--gray); }
.coupon-info { flex: 1; }
.coupon-info h4 { font-size: 16px; font-weight: 600; color: var(--white-soft); }
.coupon-info p { font-size: 13px; color: var(--gray); margin-top: 4px; }
.coupon-status {
  padding: 4px 12px; border-radius: 16px; font-size: 12px; font-weight: 500;
  flex-shrink: 0;
}
.coupon-available { background: rgba(46,204,113,0.15); color: var(--green); }
.coupon-used { background: rgba(138,138,154,0.15); color: var(--gray); }

/* ===== 详情页 ===== */
.detail-hero {
  display: flex; gap: 32px; margin-bottom: 40px; flex-wrap: wrap;
}
.detail-img {
  width: 100%; max-width: 480px; aspect-ratio: 3/4;
  object-fit: cover; border-radius: var(--radius-lg); background: var(--dark3);
}
.detail-info { flex: 1; min-width: 280px; }
.detail-info h1 { font-size: 32px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.detail-info .price {
  font-size: 36px; font-weight: 800; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.detail-info .desc { font-size: 15px; color: var(--gray); line-height: 1.8; margin-bottom: 24px; }
.detail-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 24px; }
.detail-meta-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray); }

/* ===== Footer ===== */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid rgba(201,168,76,0.08);
  padding: 48px 24px 32px; text-align: center;
}
.footer-links {
  display: flex; justify-content: center; gap: 24px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.footer-links a { font-size: 14px; color: var(--gray); transition: var(--transition); }
.footer-links a:hover { color: var(--gold-light); }
.footer-copy { font-size: 13px; color: var(--gray-light); }

/* ===== 登录/注册页 ===== */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--dark);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.04) 0%, transparent 50%),
                    radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.03) 0%, transparent 50%);
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--card); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 40px;
}
.auth-card h2 {
  font-size: 28px; font-weight: 700; text-align: center; margin-bottom: 8px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-card .subtitle { text-align: center; font-size: 14px; color: var(--gray); margin-bottom: 32px; }
.auth-switch { text-align: center; margin-top: 24px; font-size: 14px; color: var(--gray); }
.auth-switch a { color: var(--gold); font-weight: 500; }

/* ===== 消息 ===== */
.messages { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 2000; }
.msg {
  padding: 12px 24px; border-radius: var(--radius); font-size: 14px;
  margin-bottom: 8px; max-width: 480px; text-align: center;
}
.msg-error { background: rgba(231,76,60,0.9); color: white; }
.msg-success { background: rgba(46,204,113,0.9); color: white; }
.msg-warning { background: rgba(243,156,18,0.9); color: white; }

/* ===== 空状态 ===== */
.empty-state {
  text-align: center; padding: 64px 24px;
}
.empty-state .icon { font-size: 56px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 16px; color: var(--gray); }
.empty-state .btn { margin-top: 20px; }

/* ===== 分页 ===== */
.pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 32px;
}
.page-link {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--gray); border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.page-link:hover, .page-link.active {
  background: var(--gold); color: var(--dark); border-color: var(--gold);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner { padding: 0 16px; height: 60px; }
  .page-wrap { padding: 20px 16px; }
  .hero { padding: 48px 16px 36px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 28px; }
  .section-title { font-size: 22px; }
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .card-title { font-size: 14px; }
  .card-body { padding: 12px; }
  .detail-hero { flex-direction: column; }
  .vip-cards { grid-template-columns: 1fr; }
  .order-body img { width: 60px; height: 60px; }
  .auth-card { margin: 16px; padding: 28px; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .coupon-item { flex-direction: column; align-items: flex-start; }
  .filters { gap: 8px; }
  .filter-chip { padding: 6px 14px; font-size: 12px; }
}

/* ===== 加载动画 ===== */
.spinner {
  width: 32px; height: 32px; border: 3px solid rgba(201,168,76,0.2);
  border-top-color: var(--gold);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 图片延迟加载占位 ===== */
.img-placeholder {
  background: linear-gradient(135deg, var(--dark3), var(--dark4));
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-light); font-size: 14px;
}