/* ============================================================
   🎖️ 云笺·短篇工坊 — 会员中心 Premium 设计系统 v2.0
   对标 Apple / Stripe / Linear 大厂设计品质
   设计规范：8px 栅格 · 玻璃态卡片 · 微动效 · 移动优先
   ============================================================ */

/* ── 设计令牌 ── */
:root {
  --vip-hero-gradient: linear-gradient(160deg, #1e1145 0%, #2d1b69 30%, #1a3a5c 65%, #0f2b45 100%);
  --vip-card-glass: rgba(255, 255, 255, 0.03);
  --vip-card-border: rgba(255, 255, 255, 0.08);
  --vip-gold: #f0c060;
  --vip-gold-light: #ffd88a;
  --vip-gold-gradient: linear-gradient(135deg, #d4a853, #f0c060, #f8d48c, #f0c060);
  --vip-platinum: #34d3c4;
  --vip-platinum-light: #99f6e4;
  --vip-platinum-gradient: linear-gradient(135deg, #1eb8a8, #34d3c4, #5eead4, #34d3c4);
  --vip-bg-particle: rgba(255, 255, 255, 0.1);
}

/* ── 暗黑模式微调 ── */
body.theme-dark .vip-premium-page {
  --vip-hero-gradient: linear-gradient(160deg, #110a28 0%, #1c1142 30%, #0f2640 65%, #0a1e33 100%);
}

/* ============================================================
   🏠 VIP 会员中心 · 主容器
   ============================================================ */
.vip-premium-page {
  width: 100%;
  min-height: 100%;
  animation: vipPageEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  padding-top: 8px;
}
@media (max-width:767px) {
  .vip-premium-page { padding-top: 20px; }
}

@keyframes vipPageEnter {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 返回按钮 ── */
.vip-premium-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  margin-bottom: 20px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(8px);
}
.vip-premium-back:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateX(-3px);
  box-shadow: 0 4px 16px rgba(109, 76, 219, 0.25);
}

/* ============================================================
   🎯 Hero 英雄区域
   ============================================================ */
.vip-premium-hero {
  position: relative;
  padding: 56px 40px 48px;
  text-align: center;
  border-radius: 28px;
  background: var(--vip-hero-gradient);
  overflow: hidden;
  margin-bottom: 36px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* ═══════ 流光飘带 ═══════ */
.vip-hero-ribbon {
  position: absolute;
  width: 500px;
  height: 3px;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
}
.vip-hero-ribbon.r1 {
  top: 25%;
  left: -200px;
  background: linear-gradient(90deg, transparent, rgba(240,192,96,.6), rgba(167,139,250,.4), transparent);
  animation: vipRibbonFlow1 6s ease-in-out infinite;
}
.vip-hero-ribbon.r2 {
  top: 55%;
  right: -250px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,.5), rgba(240,192,96,.3), transparent);
  animation: vipRibbonFlow2 7s ease-in-out infinite 1s;
}
.vip-hero-ribbon.r3 {
  top: 75%;
  left: -280px;
  background: linear-gradient(90deg, transparent, rgba(167,139,250,.4), rgba(240,192,96,.5), transparent);
  animation: vipRibbonFlow3 8s ease-in-out infinite 2.5s;
}
@keyframes vipRibbonFlow1 {
  0%,100%{opacity:0;transform:translateX(0)}
  25%,75%{opacity:1}
  50%{opacity:.7;transform:translateX(700px)}
}
@keyframes vipRibbonFlow2 {
  0%,100%{opacity:0;transform:translateX(0)}
  30%,80%{opacity:1}
  55%{opacity:.5;transform:translateX(-650px)}
}
@keyframes vipRibbonFlow3 {
  0%,100%{opacity:0;transform:translateX(0)}
  35%,70%{opacity:.9}
  60%{opacity:.6;transform:translateX(600px)}
}

/* ═══════ 钻石光点 ═══════ */
.vip-hero-diamonds {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.vip-hero-diamond {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(240,192,96,.8), 0 0 16px rgba(240,192,96,.3);
  animation: vipDiamondTwinkle 2.5s ease-in-out infinite;
}
.vip-hero-diamond.d1{top:12%;left:8%;animation-delay:0s}
.vip-hero-diamond.d2{top:18%;right:12%;animation-delay:.4s;box-shadow:0 0 6px rgba(167,139,250,.8),0 0 16px rgba(167,139,250,.3)}
.vip-hero-diamond.d3{top:35%;left:18%;animation-delay:.8s}
.vip-hero-diamond.d4{top:28%;right:22%;animation-delay:1.2s;box-shadow:0 0 6px rgba(240,192,96,.8),0 0 16px rgba(240,192,96,.3)}
.vip-hero-diamond.d5{top:50%;left:8%;animation-delay:1.6s;width:6px;height:6px}
.vip-hero-diamond.d6{top:62%;right:10%;animation-delay:2s;box-shadow:0 0 6px rgba(167,139,250,.8),0 0 16px rgba(167,139,250,.3)}
.vip-hero-diamond.d7{top:72%;left:15%;animation-delay:2.4s;width:5px;height:5px}
.vip-hero-diamond.d8{top:45%;right:28%;animation-delay:.6s;width:5px;height:5px}
@keyframes vipDiamondTwinkle {
  0%,100%{opacity:.2;transform:rotate(45deg) scale(.6)}
  50%{opacity:1;transform:rotate(135deg) scale(1.3)}
}

/* ═══════ 边缘光晕 ═══════ */
.vip-hero-glow-ring {
  position: absolute;
  inset: -2px;
  border-radius: 30px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, rgba(240,192,96,.2), rgba(167,139,250,.3), rgba(240,192,96,.1), rgba(167,139,250,.2)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: .5;
  animation: vipGlowRingPulse 4s ease-in-out infinite;
}
@keyframes vipGlowRingPulse {
  0%,100%{opacity:.3}
  50%{opacity:.7}
}

/* 动态粒子背景 */
.vip-hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.vip-hero-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--vip-bg-particle);
  animation: vipParticleFloat 12s ease-in-out infinite;
}
.vip-hero-particle:nth-child(1) { width: 200px; height: 200px; top: -80px; right: -50px; animation-delay: 0s; background: radial-gradient(circle, rgba(240,192,96,.18), transparent 70%); }
.vip-hero-particle:nth-child(2) { width: 140px; height: 140px; bottom: -40px; left: -40px; animation-delay: -3s; background: radial-gradient(circle, rgba(167,139,250,.16), transparent 70%); }
.vip-hero-particle:nth-child(3) { width: 100px; height: 100px; top: 40%; left: 60%; animation-delay: -6s; background: radial-gradient(circle, rgba(240,192,96,.12), transparent 70%); }
.vip-hero-particle:nth-child(4) { width: 70px; height: 70px; top: 20%; left: 15%; animation-delay: -9s; background: radial-gradient(circle, rgba(167,139,250,.14), transparent 70%); }
.vip-hero-particle:nth-child(5) { width: 160px; height: 160px; top: 60%; right: -30px; animation-delay: -5s; background: radial-gradient(circle, rgba(99,102,241,.1), transparent 70%); }
.vip-hero-particle:nth-child(6) { width: 90px; height: 90px; bottom: 20%; left: 30%; animation-delay: -7s; background: radial-gradient(circle, rgba(240,192,96,.1), transparent 70%); }

@keyframes vipParticleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  25%      { transform: translate(20px, -15px) scale(1.1); opacity: 0.6; }
  50%      { transform: translate(-10px, 10px) scale(0.95); opacity: 0.3; }
  75%      { transform: translate(15px, 5px) scale(1.05); opacity: 0.5; }
}

/* 顶部微光条 */
.vip-hero-shine {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: vipHeroShine 4s ease-in-out infinite;
  z-index: 2;
}
@keyframes vipHeroShine {
  0%, 100% { opacity: 0; width: 40%; }
  50%      { opacity: 1; width: 70%; }
}

/* Hero 图标 */
.vip-hero-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(240,192,96,0.2), rgba(167,139,250,0.15));
  border: 1.5px solid rgba(240,192,96,0.3);
  margin-bottom: 24px;
  font-size: 2rem;
  color: #f0c060;
  box-shadow: 0 0 40px rgba(240,192,96,0.15), 0 0 80px rgba(167,139,250,0.08), inset 0 1px 0 rgba(255,255,255,0.1);
  animation: vipIconPulse 3s ease-in-out infinite;
}
@keyframes vipIconPulse {
  0%, 100% { box-shadow: 0 0 40px rgba(240,192,96,0.15), 0 0 80px rgba(167,139,250,0.08); transform: scale(1); }
  50%      { box-shadow: 0 0 60px rgba(240,192,96,0.3), 0 0 120px rgba(167,139,250,0.15); transform: scale(1.05); }
}

/* Hero 标题 */
.vip-hero-title {
  position: relative;
  z-index: 1;
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #f0c060 30%, #c4b5fd 65%, #fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: vipTitleShimmer 4s ease-in-out infinite;
  background-size: 200% 100%;
}
@keyframes vipTitleShimmer {
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.vip-hero-title-accent {
  background: linear-gradient(135deg, #f0c060, #ffd88a, #f0c060);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vip-hero-subtitle {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 480px;
  margin: 0 auto 28px;
  line-height: 1.65;
}

/* Hero 特性标签 */
.vip-hero-tags {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.vip-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
  transition: all 0.3s ease;
}
.vip-hero-tag:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
.vip-hero-tag i { color: var(--vip-gold); font-size: 0.7rem; }

/* ============================================================
   🔔 当前状态横幅
   ============================================================ */
.vip-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 28px;
  margin-bottom: 32px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}
.vip-status-bar:hover {
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-md);
}

.vip-status-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.vip-status-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.vip-status-info strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.vip-status-info span {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.vip-status-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.vip-status-pts {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}
.vip-status-pts b {
  color: var(--warning-accent);
  font-size: 1.1rem;
}

.vip-status-expire {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  padding: 6px 14px;
  border-radius: 8px;
  background: var(--section-bg);
  font-weight: 600;
}

/* ============================================================
   🎫 定价卡片网格
   ============================================================ */
.vip-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

/* 基础卡片 */
.vip-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 36px 28px 28px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.vip-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  border-color: var(--border-card-hover);
  filter: brightness(1.03);
}

/* 卡片顶部发光条 */
.vip-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: 24px 24px 0 0;
  transition: all 0.4s ease;
}

/* ── 免费卡 ── */
.vip-card--free { }
.vip-card--free::before { background: #94a3b8; }
.vip-card--free:hover { border-color: rgba(148,163,184,0.3); }

/* ── 钻石卡 ── */
.vip-card--platinum { padding-top: 48px; }
.vip-card--platinum::before { background: var(--vip-platinum-gradient); }
.vip-card--platinum:hover {
  border-color: rgba(30, 184, 168, 0.5);
  box-shadow: 0 20px 56px rgba(30, 184, 168, 0.25);
}
.vip-card--platinum .vip-card-amount { color: #1eb8a8; }

/* ── 皇冠卡（推荐·顶配特效） ── */
.vip-card--crown {
  padding-top: 48px;
  border-color: rgba(240, 192, 96, 0.4);
  background: linear-gradient(180deg, rgba(240,192,96,0.08), rgba(240,192,96,0.02), var(--bg-card));
  box-shadow: 0 0 30px rgba(240,192,96,0.1), 0 0 60px rgba(212,168,83,0.05);
}
.vip-card--crown::before {
  background: var(--vip-gold-gradient);
  height: 5px;
  animation: vipCrownBorderShine 3s ease-in-out infinite;
}
.vip-card--crown:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 192, 96, 0.6);
  box-shadow: 0 24px 64px rgba(240, 192, 96, 0.3), 0 0 40px rgba(212, 168, 83, 0.15);
  filter: brightness(1.04);
}
.vip-card--crown .vip-card-amount { color: #f0c060; }

@keyframes vipCrownBorderShine {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.4); }
}

/* 皇冠卡金光环绕动画 */
.vip-card--crown .vip-card-glow {
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: conic-gradient(from 0deg, transparent, #f0c060, #ffd88a, #f0c060, transparent);
  z-index: -1;
  opacity: 0;
  animation: vipCrownGlow 2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes vipCrownGlow {
  0%, 100% { opacity: 0.08; }
  50%      { opacity: 0.25; }
}

/* 钻石卡光效 */
.vip-card--platinum .vip-card-glow {
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: conic-gradient(from 0deg, transparent, #1eb8a8, #99f6e4, #1eb8a8, transparent);
  z-index: -1;
  opacity: 0;
  animation: vipPlatinumGlow 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes vipPlatinumGlow {
  0%, 100% { opacity: 0.06; }
  50%      { opacity: 0.18; }
}

/* ── 热门标签 ── */
.vip-card-badge {
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 16px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.vip-card-badge i {
  font-size: 0.65rem;
}
.vip-card-badge--popular {
  background: linear-gradient(135deg, #0d9488, #5bccf6);
  animation: vipBadgePulse 2s ease-in-out infinite;
}
.vip-card-badge--best {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  animation: vipBadgePulse 1.8s ease-in-out infinite;
}
@keyframes vipBadgePulse {
  0%, 100% { box-shadow: 0 2px 12px rgba(212,168,83,0.2); }
  50%      { box-shadow: 0 4px 20px rgba(212,168,83,0.4); }
}

/* ── 卡片图标 ── */
.vip-card-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
  transition: transform 0.3s ease;
}
.vip-card:hover .vip-card-icon-wrap { }
.vip-card--free .vip-card-icon-wrap      { background: rgba(148,163,184,0.1); color: #94a3b8; margin-top: 10px; }
.vip-card--platinum .vip-card-icon-wrap  { background: rgba(30,184,168,0.15); color: #1eb8a8; box-shadow: 0 0 20px rgba(30,184,168,0.2); }
.vip-card--crown .vip-card-icon-wrap     { background: rgba(240,192,96,0.2); color: #f0c060; box-shadow: 0 0 24px rgba(240,192,96,0.3); }

/* ── 卡片名称 ── */
.vip-card-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: -0.2px;
}

/* ── 价格 ── */
.vip-card-price-row {
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}
.vip-card-amount {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1;
}
.vip-card-currency { font-size: 1.2rem; font-weight: 700; opacity: 0.7; }
.vip-card-period { font-size: 0.85rem; color: var(--text-tertiary); font-weight: 600; }
.vip-card-amount--free { color: #94a3b8; font-size: 1.8rem; margin-bottom: 16px; display: block; }

.vip-card-orig {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-decoration: line-through;
  opacity: 0.6;
  margin-right: 4px;
}

.vip-card-save {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 6px;
}
.vip-card-save--platinum { background: rgba(30,184,168,0.12); color: #1eb8a8; }
.vip-card-save--crown    { background: rgba(212,168,83,0.12); color: #d4a853; }

/* ── 描述 ── */
.vip-card-desc {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* ── 分隔线 ── */
.vip-card-divider {
  width: 100%;
  height: 1px;
  background: var(--border-card);
  margin: 8px 0;
  opacity: 0.5;
}

/* ── 权益列表 ── */
.vip-card-features {
  text-align: left;
  margin-bottom: 24px;
  flex: 1;
}
.vip-card-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.vip-card-feature i {
  flex-shrink: 0;
  margin-top: 3px;
  font-size: 0.75rem;
}
.vip-card-feature i.fa-check-circle { color: #10b981; }
.vip-card-feature .feat-highlight {
  font-weight: 700;
  color: var(--text-primary);
}

/* 不可用特性 */
.vip-card-feature--locked {
  color: var(--text-tertiary);
  opacity: 0.5;
}
.vip-card-feature--locked i.fa-times-circle { color: #ef4444; }

/* 皇冠专属 */
.vip-card-feature--exclusive {
  color: #d4a853;
  font-weight: 600;
}
.vip-card-feature--exclusive i { color: #d4a853; }

/* ── CTA 按钮 ── */
.vip-card-btn {
  width: 100%;
  padding: 14px 0;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.2px;
  position: relative;
  overflow: hidden;
}

.vip-card-btn--free {
  background: var(--section-bg);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-card);
}
.vip-card-btn--free:hover { border-color: var(--accent); color: var(--accent); }

.vip-card-btn--platinum {
  background: linear-gradient(135deg, #1eb8a8, #34d3c4);
  color: #fff;
  box-shadow: 0 4px 18px rgba(30,184,168,0.35);
}
.vip-card-btn--platinum:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(30,184,168,0.5);
}
.vip-card-btn--platinum:active { transform: translateY(0) scale(0.98); }

.vip-card-btn--crown {
  background: var(--vip-gold-gradient);
  color: #1a1625;
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(212,168,83,0.35);
  animation: vipBtnShine 2.5s ease-in-out infinite;
}
.vip-card-btn--crown:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212,168,83,0.5);
  filter: brightness(1.05);
}
.vip-card-btn--crown:active { transform: translateY(0) scale(0.98); }

@keyframes vipBtnShine {
  0%, 100% { box-shadow: 0 4px 20px rgba(212,168,83,0.35); }
  50%      { box-shadow: 0 6px 30px rgba(212,168,83,0.55); }
}

/* 当前套餐 */
.vip-card-btn--current {
  background: var(--section-bg);
  color: var(--text-secondary);
  border: 2px solid var(--accent);
  cursor: default;
  font-weight: 700;
}

/* ── 按钮光泽扫过效果 ── */
.vip-card-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}
.vip-card-btn:not(.vip-card-btn--current):hover::after {
  left: 100%;
}

/* ============================================================
   📊 功能对比表
   ============================================================ */
.vip-compare-section {
  margin-bottom: 40px;
}
.vip-compare-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}
.vip-compare-title::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--accent);
  border-radius: 2px;
}
.vip-compare-subtitle {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.vip-compare-table {
  border-radius: 18px;
  overflow: hidden;
  border: 1.5px solid var(--border-card);
  background: var(--bg-card);
}

.vip-compare-row {
  display: flex;
  align-items: center;
  padding: 14px 22px;
  font-size: 0.84rem;
  border-bottom: 1px solid var(--border-card);
  transition: background 0.2s ease;
}
.vip-compare-row:last-child { border-bottom: none; }
.vip-compare-row:hover { background: var(--section-bg); }

.vip-compare-row--header {
  background: var(--section-bg);
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 16px 22px;
}

.vip-compare-name {
  flex: 2;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.86rem;
}
.vip-compare-tier {
  flex: 1;
  text-align: center;
  font-weight: 600;
}
.vip-compare-tier--free     { color: var(--text-tertiary); }
.vip-compare-tier--platinum { color: #1eb8a8; }
.vip-compare-tier--crown    { color: #d4a853; }

.vip-compare-row--header .vip-compare-tier {
  font-weight: 700;
  font-size: 0.8rem;
}

.vip-compare-check { color: #10b981; }
.vip-compare-lock  { color: var(--text-tertiary); opacity: 0.5; }
.vip-compare-star  { color: #d4a853; }

/* ============================================================
   🛡️ 信任元素
   ============================================================ */
.vip-trust-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.vip-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  transition: all 0.3s ease;
}
.vip-trust-item:hover {
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.vip-trust-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--section-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--accent);
}
.vip-trust-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 700;
}
.vip-trust-text span {
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

/* ============================================================
   ❓ FAQ 区域
   ============================================================ */
.vip-faq-section {
  margin-bottom: 40px;
}
.vip-faq-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}
.vip-faq-title::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--accent);
  border-radius: 2px;
}

.vip-faq-item {
  border-radius: 16px;
  border: 1px solid var(--border-card);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--bg-card);
  transition: all 0.3s ease;
}
.vip-faq-item:hover {
  border-color: var(--border-card-hover);
}
.vip-faq-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(109, 76, 219, 0.1);
}

.vip-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  user-select: none;
  transition: color 0.2s ease;
}
.vip-faq-q:hover { color: var(--accent); }
.vip-faq-q i {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  transition: transform 0.3s ease;
}
.vip-faq-item.active .vip-faq-q i {
  transform: rotate(180deg);
  color: var(--accent);
}

.vip-faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.vip-faq-item.active .vip-faq-a {
  max-height: 300px;
  padding: 0 22px 18px;
}

/* ============================================================
   💳 支付弹窗
   ============================================================ */
.vip-pay-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: vipOverlayIn 0.25s ease;
}
@keyframes vipOverlayIn { from { opacity: 0; } to { opacity: 1; } }

.vip-pay-modal {
  background: var(--bg-card);
  border-radius: 28px;
  padding: 36px 32px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  border: 1px solid var(--border-card);
  animation: vipModalIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes vipModalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.vip-pay-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.vip-pay-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.vip-pay-plan { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 4px; }
.vip-pay-price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.vip-pay-price {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.5px;
}
.vip-pay-price-orig {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-decoration: line-through;
}

/* 优惠券选择 */
.vip-coupon-section {
  margin-bottom: 18px;
  text-align: left;
}
.vip-coupon-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.vip-coupon-label i { color: #f0c060; }
.vip-coupon-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 160px;
  overflow-y: auto;
}
.vip-coupon-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--border-card);
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--section-bg);
}
.vip-coupon-item:hover {
  border-color: rgba(240,192,96,.4);
  background: rgba(240,192,96,.06);
}
.vip-coupon-item.selected {
  border-color: #f0c060;
  background: rgba(240,192,96,.1);
}
.vip-coupon-radio {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.vip-coupon-item.selected .vip-coupon-radio { color: #f0c060; }
.vip-coupon-info { flex: 1; }
.vip-coupon-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.vip-coupon-expire {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.vip-pay-methods {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.vip-pay-method {
  flex: 1;
  padding: 14px 10px;
  border-radius: 14px;
  border: 2px solid var(--border-card);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  background: transparent;
}
.vip-pay-method:hover { border-color: var(--border-card-hover); }
.vip-pay-method.selected {
  border-color: #07c160;
  background: rgba(7,193,96,0.05);
}
.vip-pay-method i { font-size: 1.4rem; margin-bottom: 4px; display: block; }
.vip-pay-method .wechat { color: #07c160; }
.vip-pay-method .alipay { color: #1677ff; }
.vip-pay-method span { font-size: 0.72rem; color: var(--text-tertiary); display: block; margin-top: 4px; }

.vip-pay-actions {
  display: flex;
  gap: 12px;
}
.vip-pay-actions button {
  flex: 1;
  padding: 13px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}
.vip-pay-cancel {
  background: transparent;
  border: 1.5px solid var(--border-card);
  color: var(--text-secondary);
}
.vip-pay-cancel:hover { border-color: var(--text-tertiary); }
.vip-pay-confirm {
  border: none;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.vip-pay-confirm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.vip-pay-confirm:active { transform: scale(0.98); }

/* 支付处理中 */
.vip-pay-progress-bar {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-card);
  overflow: hidden;
  margin: 16px 0;
}
.vip-pay-progress-fill {
  height: 100%;
  border-radius: 2px;
  animation: vipPayProgress 1.3s ease forwards;
}
@keyframes vipPayProgress { from { width: 0; } to { width: 100%; } }

/* 成功动画 */
.vip-success-animation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: vipSuccessIn 0.5s ease;
}
@keyframes vipSuccessIn {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}
.vip-success-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  border: 3px solid #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: vipCheckPop 0.5s cubic-bezier(0.16,1,0.3,1);
}
@keyframes vipCheckPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* ============================================================
   🎉 会员升级成功动效（纸屑）
   ============================================================ */
.vip-confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10002;
  overflow: hidden;
}
.vip-confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -20px;
  animation: vipConfettiFall linear forwards;
}
@keyframes vipConfettiFall {
  0%   { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
  100% { transform: translateY(105vh) rotate(720deg) scale(0); opacity: 0; }
}

/* ============================================================
   🎫 兑换券区域
   ============================================================ */
.vip-voucher-section {
  margin-bottom: 32px;
  background: var(--bg-card);
  border: 1.5px dashed var(--border-card);
  border-radius: 18px;
  padding: 20px 28px;
  transition: all .3s;
}
.vip-voucher-section:hover { border-color: var(--accent);border-style:solid; }
.vip-voucher-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.vip-voucher-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-primary);
}
.vip-voucher-left i { color: var(--accent);font-size:1.1rem; }
.vip-voucher-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.vip-voucher-input {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--border-card);
  background: var(--section-bg);
  color: var(--text-primary);
  font-size: .88rem;
  font-family: monospace;
  letter-spacing: 2px;
  width: 200px;
  transition: .2s;
  outline: none;
}
.vip-voucher-input:focus { border-color: var(--accent); }
.vip-voucher-btn {
  padding: 10px 22px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg,#1eb8a8,#34d3c4);
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  transition: .25s;
  white-space: nowrap;
  font-family: inherit;
}
.vip-voucher-btn:hover { transform: translateY(-1px);box-shadow:0 4px 16px rgba(99,102,241,.3); }
.vip-voucher-msg { margin-top:12px;font-size:.82rem;text-align:center; }

/* ============================================================
   📱 响应式设计
   ============================================================ */
@media (max-width: 767px) {
  .vip-premium-hero {
    padding: 40px 20px 32px;
    border-radius: 22px;
    margin-bottom: 24px;
  }
  .vip-hero-title {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
  }
  .vip-hero-subtitle {
    font-size: 0.82rem;
    padding: 0 8px;
  }
  .vip-hero-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    font-size: 1.5rem;
    margin-bottom: 18px;
  }
  .vip-hero-tags { gap: 8px; }
  .vip-hero-tag {
    padding: 6px 12px;
    font-size: 0.72rem;
  }

  .vip-status-bar {
    padding: 16px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .vip-status-icon {
    margin-top: 0;
  }
  .vip-status-right {
    width: 100%;
    justify-content: flex-end;
  }

  .vip-cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 28px;
  }
  .vip-card { padding: 28px 20px 24px; }
  .vip-card--crown { order: -1; }
  .vip-card--platinum { order: 0; }
  .vip-card--free { order: 1; }

  .vip-card-amount { font-size: 2.2rem; }

  .vip-compare-table { font-size: 0.75rem; }
  .vip-compare-row { padding: 12px 14px; }
  .vip-compare-name { flex: 1.5; font-size: 0.78rem; }

  .vip-trust-section {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .vip-trust-item { padding: 12px 14px; }
  .vip-trust-text strong { font-size: 0.78rem; }

  .vip-faq-q { padding: 14px 16px; font-size: 0.85rem; }
  .vip-faq-a { padding: 0 16px; font-size: 0.8rem; }
  .vip-faq-item.active .vip-faq-a { padding: 0 16px 14px; }

  .vip-pay-modal { padding: 28px 20px; }
  .vip-pay-actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .vip-cards-grid {
    gap: 12px;
  }
  .vip-card { padding: 24px 16px 20px; border-radius: 20px; }
  .vip-card-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 1.3rem;
  }
  .vip-card-name { font-size: 1rem; }
  .vip-card-amount { font-size: 2rem; }

  .vip-compare-row { padding: 10px 10px; }
  .vip-compare-name { font-size: 0.72rem; }
  .vip-compare-tier { font-size: 0.7rem; }

  .vip-trust-section { grid-template-columns: 1fr; }
  .vip-hero-title { font-size: 1.35rem; }
}