/* SPSSzero 开通会员页面 - 独立样式 */
:root {
  --vip-primary: #2461ff;
  --vip-primary-dark: #1a4ed8;
  --vip-primary-light: #eef3ff;
  --vip-gold: #ff9500;
  --vip-gold-light: #fff8e6;
  --vip-text: #1a2332;
  --vip-text-muted: #6b7280;
  --vip-bg: #f7f9fc;
  --vip-card: #ffffff;
  --vip-border: #e5e9f0;
  --vip-success: #10b981;
  --vip-danger: #ef4444;
  --vip-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  background: var(--vip-bg);
  color: var(--vip-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ========== 顶部条 ========== */
.vip-header {
  background: var(--vip-card);
  border-bottom: 1px solid var(--vip-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.vip-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.vip-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--vip-text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all .15s;
}
.vip-back:hover { color: var(--vip-primary); background: var(--vip-primary-light); }
.vip-logo { text-decoration: none; color: var(--vip-text); display: flex; align-items: baseline; gap: 10px; }
.vip-logo strong { font-size: 18px; font-weight: 700; color: var(--vip-primary); }
.vip-logo span { font-size: 12px; color: var(--vip-text-muted); }
.vip-enter {
  background: var(--vip-primary);
  color: #fff;
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all .15s;
}
.vip-enter:hover { background: var(--vip-primary-dark); transform: translateY(-1px); }

/* ========== 主体 ========== */
.vip-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 32px 64px;
}

/* ========== Hero ========== */
.vip-hero {
  text-align: center;
  margin-bottom: 32px;
  padding: 32px 16px;
}
.vip-hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ffe5b4, #ffd089);
  color: #92400e;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.vip-hero h1 {
  margin: 0 0 12px 0;
  font-size: 32px;
  font-weight: 700;
  color: var(--vip-text);
  letter-spacing: -0.5px;
}
.vip-hero-highlight {
  background: linear-gradient(135deg, var(--vip-primary), #5b8aff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.vip-hero-sub {
  margin: 0 0 16px;
  color: var(--vip-text-muted);
  font-size: 15px;
}
.vip-hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--vip-text-muted);
  background: var(--vip-card);
  padding: 8px 18px;
  border-radius: 99px;
  border: 1px solid var(--vip-border);
}
.vip-hero-meta b { color: var(--vip-text); margin-left: 4px; }
.vip-tag-free {
  background: #f3f4f6;
  color: #6b7280 !important;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 12px;
}
.vip-tag-vip {
  background: linear-gradient(135deg, var(--vip-gold), #ffb84d);
  color: #fff !important;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 12px;
}

/* ========== 主体布局 ========== */
.vip-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  margin-bottom: 32px;
}

.vip-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.vip-section {
  background: var(--vip-card);
  border: 1px solid var(--vip-border);
  border-radius: 14px;
  padding: 24px 28px;
  box-shadow: var(--vip-shadow);
}
.vip-section-title {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--vip-text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.vip-section-sub {
  font-size: 12px;
  color: var(--vip-text-muted);
  font-weight: 400;
}
.vip-step-num {
  width: 24px;
  height: 24px;
  background: var(--vip-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ========== 套餐卡片 ========== */
.vip-plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.vip-plan-card {
  position: relative;
  background: #fff;
  border: 2px solid var(--vip-border);
  border-radius: 14px;
  padding: 22px 16px 18px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.vip-plan-card:hover {
  border-color: var(--vip-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(36, 97, 255, .12);
}
.vip-plan-card.active {
  border-color: var(--vip-primary);
  background: var(--vip-primary-light);
  box-shadow: 0 6px 16px rgba(36, 97, 255, .15);
}
.vip-plan-recommend {
  border-color: var(--vip-gold);
  background: var(--vip-gold-light);
}
.vip-plan-recommend.active {
  border-color: var(--vip-gold);
  background: linear-gradient(135deg, #fff7e0, #ffe5b4);
  box-shadow: 0 8px 20px rgba(255, 149, 0, .2);
}
.vip-plan-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--vip-gold), #ff7a00);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 99px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(255, 149, 0, .3);
}
.vip-plan-icon {
  font-size: 28px;
  margin-bottom: 6px;
}
.vip-plan-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--vip-text);
  margin-bottom: 8px;
}
.vip-plan-price {
  margin: 6px 0 4px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}
.vip-price-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--vip-primary);
  line-height: 1;
}
.vip-plan-recommend .vip-price-num { color: #d97706; }
.vip-price-unit {
  font-size: 12px;
  color: var(--vip-text-muted);
}
.vip-plan-price-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--vip-primary);
  margin: 12px 0 8px;
}
.vip-plan-tag {
  font-size: 11.5px;
  color: var(--vip-text-muted);
  margin-bottom: 12px;
  background: rgba(0, 0, 0, .03);
  padding: 2px 10px;
  border-radius: 99px;
  display: inline-block;
  align-self: center;
}
.vip-plan-features {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  font-size: 12.5px;
  color: #374151;
  line-height: 1.9;
}
.vip-plan-features li { padding: 1px 0; }

.vip-plan-enterprise {
  background: linear-gradient(135deg, #f0f7ff, #e6f0ff);
  border-color: #93c5fd;
}
.vip-plan-enterprise .vip-price-num { color: #1e40af; }

/* ========== 优惠码 ========== */
.vip-promo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.vip-promo input {
  flex: 1;
  min-width: 180px;
  background: #f8fafc;
  border: 1px solid var(--vip-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
  transition: all .15s;
}
.vip-promo input:focus {
  border-color: var(--vip-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(36, 97, 255, .08);
}
.vip-promo button {
  background: #f3f4f6;
  border: 1px solid var(--vip-border);
  color: #374151;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.vip-promo button:hover {
  background: var(--vip-primary);
  color: #fff;
  border-color: var(--vip-primary);
}
.vip-promo-msg {
  font-size: 12.5px;
  font-weight: 500;
  flex-basis: 100%;
}
.vip-promo-msg.ok { color: var(--vip-success); }
.vip-promo-msg.err { color: var(--vip-danger); }

/* ========== 支付摘要 ========== */
.vip-pay-summary {
  background: linear-gradient(135deg, #fafbfd, #f3f6fc);
  border: 1px solid var(--vip-border);
  border-radius: 12px;
  padding: 20px 24px;
}
.vip-pay-amount {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}
.vip-pay-label {
  color: var(--vip-text-muted);
  font-size: 14px;
}
.vip-pay-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--vip-primary);
  line-height: 1;
}
.vip-pay-plan-name {
  background: var(--vip-primary-light);
  color: var(--vip-primary);
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}

.vip-pay-methods {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.vip-pay-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1.5px solid var(--vip-border);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--vip-text);
  cursor: pointer;
  transition: all .15s;
}
.vip-pay-btn:hover:not(.disabled):not(.active) { border-color: var(--vip-primary); }
.vip-pay-btn.active {
  border-color: #07C160;
  background: #f0fdf4;
  color: #047857;
}
.vip-pay-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  color: var(--vip-text-muted);
}

.vip-btn-pay {
  width: 100%;
  background: linear-gradient(135deg, var(--vip-primary), #1a4ed8);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(36, 97, 255, .25);
}
.vip-btn-pay:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(36, 97, 255, .35);
}
.vip-btn-pay:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.vip-pay-tips {
  margin-top: 14px;
  font-size: 12px;
  color: var(--vip-text-muted);
  line-height: 1.8;
}
.vip-pay-tips a { color: var(--vip-primary); text-decoration: none; }
.vip-pay-tips a:hover { text-decoration: underline; }

/* ========== 发票申请 ========== */
.vip-invoice-section {
  border-color: #c8d3e6;
  background: linear-gradient(135deg, #fafbfd, #f3f6fc);
}
.vip-invoice-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.vip-invoice-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.vip-invoice-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.vip-invoice-toggle-track {
  width: 38px;
  height: 22px;
  background: #d1d5db;
  border-radius: 99px;
  position: relative;
  transition: all .25s;
  flex-shrink: 0;
}
.vip-invoice-toggle-dot {
  position: absolute;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: all .25s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .15);
}
.vip-invoice-toggle input[type="checkbox"]:checked + .vip-invoice-toggle-track {
  background: var(--vip-primary);
}
.vip-invoice-toggle input[type="checkbox"]:checked + .vip-invoice-toggle-track .vip-invoice-toggle-dot {
  left: 18px;
}
.vip-invoice-toggle-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--vip-text);
}
.vip-invoice-tip {
  font-size: 12.5px;
  color: var(--vip-text-muted);
}
.vip-invoice-tip b { color: var(--vip-primary); }

.vip-invoice-form {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--vip-border);
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: vip-fade-in .25s ease-out;
}
@keyframes vip-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.vip-form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.vip-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.vip-form-label {
  font-size: 12.5px;
  color: var(--vip-text-muted);
  font-weight: 500;
}
.vip-required { color: var(--vip-danger); }
.vip-form-input {
  background: #fff;
  border: 1px solid var(--vip-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13.5px;
  color: var(--vip-text);
  outline: none;
  transition: all .15s;
  font-family: inherit;
  width: 100%;
}
.vip-form-input:focus {
  border-color: var(--vip-primary);
  box-shadow: 0 0 0 3px rgba(36, 97, 255, .08);
}
select.vip-form-input { cursor: pointer; }

.vip-radio-group {
  display: flex;
  gap: 16px;
}
.vip-radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--vip-text);
  padding: 6px 14px;
  border: 1.5px solid var(--vip-border);
  border-radius: 8px;
  background: #fff;
  transition: all .15s;
}
.vip-radio:has(input:checked) {
  border-color: var(--vip-primary);
  background: var(--vip-primary-light);
  color: var(--vip-primary);
  font-weight: 600;
}
.vip-radio input[type="radio"] {
  accent-color: var(--vip-primary);
}

.vip-invoice-note {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12.5px;
  color: #92400e;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.6;
}
.vip-invoice-note svg { flex-shrink: 0; color: #d97706; }
.vip-invoice-note b { color: #d97706; }

/* ========== 右侧权益 ========== */
.vip-benefits {
  background: var(--vip-card);
  border: 1px solid var(--vip-border);
  border-radius: 14px;
  box-shadow: var(--vip-shadow);
  position: sticky;
  top: 80px;
  align-self: start;
  overflow: hidden;
}
.vip-benefits-head {
  padding: 18px 22px;
  background: linear-gradient(135deg, var(--vip-gold-light), #fff5e0);
  border-bottom: 1px solid var(--vip-border);
}
.vip-benefits-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: #92400e;
}
.vip-benefits-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.vip-benefits-table th,
.vip-benefits-table td {
  padding: 9px 14px;
  text-align: center;
  border-bottom: 1px solid #f0f2f5;
}
.vip-benefits-table th {
  background: #fafbfd;
  color: var(--vip-text-muted);
  font-weight: 600;
  font-size: 12.5px;
}
.vip-benefits-table th.th-vip {
  background: linear-gradient(135deg, #fff8e1, #ffe8b3);
  color: #92400e;
}
.vip-benefits-table td:first-child {
  text-align: left;
  color: var(--vip-text-muted);
  font-weight: 500;
}
.vip-benefits-table td:nth-child(2) {
  color: var(--vip-text-muted);
}
.vip-benefits-table td:last-child b {
  color: var(--vip-primary);
}
.vip-benefits-table tr:last-child td { border-bottom: none; }

/* ========== FAQ ========== */
.vip-faq {
  background: var(--vip-card);
  border: 1px solid var(--vip-border);
  border-radius: 14px;
  padding: 28px 32px;
  box-shadow: var(--vip-shadow);
}
.vip-faq h2 {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 700;
  color: var(--vip-text);
}
.vip-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}
.vip-faq-item h4 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--vip-text);
}
.vip-faq-item p {
  margin: 0;
  font-size: 13px;
  color: var(--vip-text-muted);
  line-height: 1.7;
}
.vip-faq-item a { color: var(--vip-primary); text-decoration: none; }
.vip-faq-item a:hover { text-decoration: underline; }

/* ========== 弹窗 ========== */
.vip-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vip-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  backdrop-filter: blur(2px);
}
.vip-modal-card {
  position: relative;
  background: var(--vip-card);
  border-radius: 16px;
  width: 90%;
  max-width: 460px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .2);
}
.vip-modal-sm { max-width: 400px; }
.vip-modal-pay { max-width: 400px; }
.vip-modal-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--vip-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.vip-modal-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.vip-modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--vip-text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.vip-modal-close:hover { background: #f3f4f6; color: var(--vip-text); }
.vip-modal-body {
  padding: 24px;
  overflow-y: auto;
}

/* 支付弹窗 */
.vip-pay-method-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: #047857;
  margin-bottom: 16px;
}
.vip-qr-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
  background: #fafbfd;
  border-radius: 12px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vip-qr-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.vip-qr-success {
  position: absolute;
  inset: 0;
  background: rgba(16, 185, 129, 0.95);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  gap: 8px;
}
.vip-qr-success-check {
  font-size: 48px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.vip-qr-success-sub { font-size: 12px; opacity: .9; font-weight: 400; }

.vip-pay-status {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--vip-primary);
  margin-top: 14px;
}
.vip-pay-countdown {
  text-align: center;
  font-size: 12px;
  color: var(--vip-text-muted);
  margin-top: 4px;
}
.vip-pay-countdown b { color: var(--vip-text); }
.vip-pay-fallback {
  text-align: center;
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--vip-text-muted);
}
.vip-pay-fallback a {
  color: var(--vip-primary);
  text-decoration: underline;
}

/* 联系方式 */
.vip-contact-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.vip-contact-item {
  background: #fafbfd;
  padding: 12px 18px;
  border-radius: 10px;
  text-align: center;
}
.vip-contact-label {
  font-size: 11px;
  color: var(--vip-text-muted);
  margin-bottom: 4px;
}
.vip-contact-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--vip-text);
}

/* ========== Toast ========== */
.vip-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(26, 35, 50, 0.95);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all .3s;
  pointer-events: none;
  z-index: 1000;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}
.vip-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.vip-toast.success { background: var(--vip-success); }
.vip-toast.error { background: var(--vip-danger); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .vip-grid { grid-template-columns: 1fr; }
  .vip-benefits { position: static; }
  .vip-plans { grid-template-columns: repeat(2, 1fr); }
  .vip-faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .vip-main { padding: 16px; }
  .vip-hero h1 { font-size: 22px; }
  .vip-plans { grid-template-columns: 1fr; }
  .vip-section { padding: 18px; }
}