/* ============================================
   NOIR · FASHION FORWARD
   时尚潮流风样式系统
   ============================================ */

:root {
  --ink: #0a0a0a;
  --paper: #f5f3ee;
  --paper-soft: #ebe8e0;
  --accent: #ff3d00;
  --accent-2: #2e1aff;
  --gray: #888;
  --gray-light: #ddd6cc;
  --line: #1a1a1a;

  --font-display: 'Bebas Neue', 'Syne', sans-serif;
  --font-headline: 'Syne', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
img { max-width: 100%; display: block; }

/* ============================================
   走马灯公告条
   ============================================ */
.marquee {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 10px 0;
  border-bottom: 1px solid var(--ink);
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.15em;
}
.marquee-track span {
  padding-right: 60px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================
   导航栏
   ============================================ */
.nav {
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
}
.logo {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: baseline;
}
.logo-mark {
  background: var(--ink);
  color: var(--paper);
  padding: 0 8px;
  margin-right: 2px;
}
.logo-text sup {
  font-size: 12px;
  margin-left: 2px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
  justify-content: center;
}
.nav-links a {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
  transition: opacity 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.cart-btn {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1.5px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}
.cart-btn:hover {
  background: var(--ink);
  color: var(--paper);
}
.cart-badge {
  background: var(--accent);
  color: var(--paper);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

/* ============================================
   Hero 区
   ============================================ */
.hero {
  position: relative;
  min-height: 80vh;
  padding: 80px 40px 60px;
  display: flex;
  align-items: center;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.hero-bg-text {
  position: absolute;
  top: 50%;
  left: -2%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(140px, 22vw, 360px);
  letter-spacing: -0.02em;
  color: var(--paper-soft);
  white-space: nowrap;
  z-index: 0;
  user-select: none;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}
.hero-tag {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 14px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.2em;
  margin-bottom: 32px;
  animation: slideDown 0.8s ease both;
}
.hero-title {
  font-family: var(--font-headline);
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.hero-title .line {
  display: block;
  overflow: hidden;
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-title .line:nth-child(2) { animation-delay: 0.1s; }
.hero-title .line:nth-child(3) { animation-delay: 0.2s; }
.hero-title .line-italic {
  font-style: italic;
  color: var(--accent);
  font-weight: 600;
}
.hero-sub {
  font-size: 16px;
  color: #555;
  max-width: 500px;
  margin-bottom: 40px;
  animation: fadeIn 1s 0.4s ease both;
  letter-spacing: 0.02em;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 18px 40px;
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
  transition: all 0.3s;
  animation: fadeIn 1s 0.5s ease both;
}
.hero-cta:hover {
  background: var(--accent);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}
.hero-cta .arrow {
  transition: transform 0.3s;
}
.hero-cta:hover .arrow { transform: translateX(6px); }
.hero-meta {
  position: absolute;
  bottom: 30px;
  right: 40px;
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--gray);
  display: flex;
  gap: 12px;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
@keyframes slideDown {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   筛选条
   ============================================ */
.filter-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 40px 30px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
}
.filter-label {
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  font-size: 13px;
  color: var(--gray);
}
.filter-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.tag {
  padding: 8px 18px;
  border: 1.5px solid var(--ink);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.2s;
}
.tag:hover, .tag.active {
  background: var(--ink);
  color: var(--paper);
}
.filter-count {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--gray);
}

/* ============================================
   商品网格
   ============================================ */
.product-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 40px 100px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 40px 24px;
}
.product-card {
  position: relative;
  animation: fadeUp 0.8s ease both;
  transition: transform 0.3s;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.product-img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--paper-soft);
  aspect-ratio: 3/4;
  margin-bottom: 16px;
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}
.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover .product-overlay {
  opacity: 1;
}
.product-index {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--paper);
  padding: 4px 10px;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 12px;
}
.product-info {
  padding: 0 4px;
}
.product-cat {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: 8px;
}
.product-name {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 8px;
  line-height: 1.4;
}
.product-price {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.05em;
}

/* ============================================
   商品详情页
   ============================================ */
.product-detail {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 40px 100px;
}
.breadcrumb {
  font-family: var(--font-headline);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 40px;
  display: flex;
  gap: 8px;
}
.breadcrumb a:hover { color: var(--ink); }
.pd-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}
.pd-image {
  position: relative;
  background: var(--paper-soft);
  aspect-ratio: 3/4;
  overflow: hidden;
}
.pd-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pd-image-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--paper);
  padding: 6px 14px;
  font-family: var(--font-display);
  letter-spacing: 0.15em;
  font-size: 13px;
  z-index: 2;
}
.pd-info {
  padding-top: 20px;
}
.pd-cat {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
}
.pd-name {
  font-family: var(--font-headline);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.pd-price {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}
.pd-desc {
  color: #444;
  margin-bottom: 36px;
  line-height: 1.8;
  font-size: 15px;
}
.pd-section {
  margin-bottom: 32px;
}
.pd-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.pd-section-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.pd-section-link {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.05em;
}
.pd-section-link:hover { color: var(--accent); }

.size-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 8px;
}
.size-btn {
  padding: 14px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.size-btn:hover {
  background: var(--ink);
  color: var(--paper);
}
.size-btn.active {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}

.qty-control {
  display: inline-flex;
  border: 1.5px solid var(--ink);
  align-items: center;
}
.qty-control button {
  width: 44px;
  height: 44px;
  font-size: 18px;
  font-weight: 700;
  transition: background 0.2s;
}
.qty-control button:hover {
  background: var(--ink);
  color: var(--paper);
}
.qty-control input {
  width: 60px;
  height: 44px;
  border: none;
  border-left: 1.5px solid var(--ink);
  border-right: 1.5px solid var(--ink);
  text-align: center;
  font-family: var(--font-display);
  font-size: 16px;
  background: var(--paper);
}

.pd-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 36px 0 28px;
}
.btn-add-cart, .btn-buy-now {
  padding: 18px 24px;
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 13px;
  transition: all 0.3s;
}
.btn-add-cart {
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-add-cart:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn-buy-now {
  background: var(--ink);
  color: var(--paper);
  border: 1.5px solid var(--ink);
}
.btn-buy-now:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.pd-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-light);
}
.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: #555;
}
.feature-icon {
  font-size: 22px;
  color: var(--accent);
}

/* ============================================
   Toast
   ============================================ */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--ink);
  color: var(--paper);
  padding: 14px 28px;
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: 14px;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================
   页面通用头部
   ============================================ */
.page-header {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 40px 40px;
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.page-header-bg {
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 180px);
  letter-spacing: -0.02em;
  color: var(--paper-soft);
  z-index: 0;
  user-select: none;
}
.page-header h1 {
  font-family: var(--font-headline);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 1;
}
.page-header p {
  margin-top: 8px;
  color: var(--gray);
  font-size: 14px;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}

/* ============================================
   购物车页
   ============================================ */
.cart-page {
  min-height: 60vh;
}
.cart-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 40px 100px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: start;
}
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cart-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--gray-light);
  align-items: center;
  transition: border-color 0.2s;
}
.cart-item:hover {
  border-color: var(--ink);
}
.cart-item img {
  width: 120px;
  height: 150px;
  object-fit: cover;
  background: var(--paper-soft);
}
.cart-item-info .ci-name {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 8px;
}
.cart-item-info .ci-size {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 8px;
}
.cart-item-info .ci-price {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.03em;
}
.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}
.ci-subtotal {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.03em;
  color: var(--accent);
}
.ci-remove {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.05em;
  text-decoration: underline;
}
.ci-remove:hover { color: var(--accent); }

.cart-summary {
  background: var(--ink);
  color: var(--paper);
  padding: 32px;
  position: sticky;
  top: 100px;
}
.cart-summary h3 {
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 16px;
  margin-bottom: 24px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 14px;
}
.summary-row.total {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--accent);
}
.summary-divider {
  height: 1px;
  background: rgba(245, 243, 238, 0.2);
  margin: 12px 0;
}
.btn-checkout {
  display: block;
  text-align: center;
  background: var(--accent);
  color: var(--paper);
  padding: 18px;
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
  margin-top: 24px;
  transition: all 0.3s;
}
.btn-checkout:hover {
  background: var(--paper);
  color: var(--ink);
}
.btn-continue {
  display: block;
  text-align: center;
  padding: 14px;
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  margin-top: 12px;
  border: 1px solid currentColor;
  transition: all 0.2s;
}
.cart-summary .btn-continue {
  color: var(--paper);
}
.cart-summary .btn-continue:hover {
  background: var(--paper);
  color: var(--ink);
}

.empty-cart {
  text-align: center;
  padding: 100px 40px;
}
.empty-icon {
  font-size: 80px;
  color: var(--gray-light);
  margin-bottom: 20px;
}
.empty-cart h2 {
  font-family: var(--font-headline);
  font-size: 28px;
  margin-bottom: 8px;
}
.empty-cart p {
  color: var(--gray);
  margin-bottom: 30px;
}
.empty-cart .btn-continue {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 16px 36px;
}

/* ============================================
   结算页
   ============================================ */
.checkout-page {
  min-height: 60vh;
}
.checkout-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 40px 100px;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: start;
}
.checkout-form h3 {
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--ink);
}
.checkout-form h3:not(:first-child) {
  margin-top: 40px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--gray);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-light);
  background: var(--paper);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.form-group textarea {
  resize: vertical;
}
.payment-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pay-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 1.5px solid var(--gray-light);
  cursor: pointer;
  transition: all 0.2s;
}
.pay-option:has(input:checked) {
  border-color: var(--ink);
  background: var(--paper-soft);
}
.pay-option.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pay-label {
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.checkout-summary {
  background: var(--ink);
  color: var(--paper);
  padding: 32px;
  position: sticky;
  top: 100px;
}
.checkout-summary h3 {
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 16px;
  margin-bottom: 24px;
}
.checkout-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 8px;
}
.checkout-item {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 12px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(245, 243, 238, 0.1);
}
.checkout-item img {
  width: 50px;
  height: 60px;
  object-fit: cover;
}
.checkout-item .ci-name {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}
.checkout-item .ci-meta {
  font-size: 12px;
  color: rgba(245, 243, 238, 0.6);
}
.checkout-item .ci-amount {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.03em;
}
.btn-submit-order {
  width: 100%;
  background: var(--accent);
  color: var(--paper);
  padding: 18px;
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
  margin-top: 24px;
  transition: all 0.3s;
}
.btn-submit-order:hover {
  background: var(--paper);
  color: var(--ink);
}

/* ============================================
   下单成功页
   ============================================ */
.success-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
}
.success-card {
  max-width: 560px;
  width: 100%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 60px 48px;
  text-align: center;
}
.success-icon {
  width: 80px;
  height: 80px;
  background: var(--accent);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto 24px;
  animation: pop 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
@keyframes pop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}
.success-card h1 {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 32px;
  margin-bottom: 8px;
}
.success-sub {
  color: var(--gray);
  margin-bottom: 32px;
  font-size: 14px;
}
.success-sub strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.05em;
}
.success-info {
  background: var(--paper-soft);
  padding: 24px;
  margin-bottom: 24px;
  text-align: left;
}
.info-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  font-size: 14px;
}
.info-row span:first-child {
  color: var(--gray);
  white-space: nowrap;
}
.info-row span:last-child {
  text-align: right;
}
.info-row.total {
  border-top: 1px solid var(--gray-light);
  margin-top: 8px;
  padding-top: 16px;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 18px;
}
.info-row.total span:last-child {
  color: var(--accent);
}
.success-note {
  color: var(--gray);
  margin-bottom: 24px;
  font-size: 14px;
}
.success-card .btn-continue {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 14px 36px;
  border: none;
}

/* ============================================
   Flash 消息
   ============================================ */
.flash-container {
  max-width: 1400px;
  margin: 20px auto 0;
  padding: 0 40px;
}
.flash {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 20px;
  font-size: 14px;
  margin-bottom: 10px;
}

.empty-state {
  text-align: center;
  padding: 100px 40px;
  color: var(--gray);
  font-size: 18px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 80px 40px 30px;
  margin-top: 100px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(245, 243, 238, 0.15);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.footer-brand p {
  letter-spacing: 0.15em;
  font-size: 13px;
  color: rgba(245, 243, 238, 0.6);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-cols h4 {
  font-family: var(--font-headline);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 18px;
}
.footer-cols a {
  display: block;
  font-size: 14px;
  color: rgba(245, 243, 238, 0.7);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-cols a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  font-size: 12px;
  color: rgba(245, 243, 238, 0.5);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 968px) {
  .nav-inner {
    grid-template-columns: 1fr auto;
    gap: 20px;
    padding: 16px 20px;
  }
  .nav-links {
    display: none;
  }
  .hero {
    padding: 60px 20px 40px;
    min-height: 60vh;
  }
  .hero-meta { display: none; }
  .filter-bar {
    grid-template-columns: 1fr;
    padding: 40px 20px 20px;
    gap: 16px;
  }
  .filter-count { display: none; }
  .product-grid {
    padding: 20px 20px 60px;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 16px;
  }
  .product-detail {
    padding: 30px 20px 60px;
  }
  .pd-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .pd-name {
    font-size: 28px;
  }
  .cart-layout, .checkout-layout {
    grid-template-columns: 1fr;
    padding: 40px 20px 60px;
    gap: 40px;
  }
  .cart-summary, .checkout-summary {
    position: static;
  }
  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: 16px;
  }
  .cart-item img {
    width: 80px;
    height: 100px;
  }
  .cart-item-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .page-header {
    padding: 40px 20px 30px;
  }
  .success-card {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .pd-actions {
    grid-template-columns: 1fr;
  }
  .footer-cols {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   支付方式选择（更新）
   ============================================ */
.pay-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 1.5px solid var(--gray-light);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.pay-option:has(input:checked) {
  border-color: var(--ink);
  background: var(--paper-soft);
}
.pay-option.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pay-icon {
  font-size: 22px;
  flex-shrink: 0;
}
.pay-label {
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.pay-tag {
  margin-left: auto;
  background: #07c160;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  text-transform: uppercase;
  font-family: var(--font-headline);
}

/* ============================================
   微信支付页
   ============================================ */
.payment-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}
.payment-card {
  max-width: 480px;
  width: 100%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 48px 40px;
  text-align: center;
}
.payment-header {
  margin-bottom: 32px;
}
.payment-logo {
  font-size: 48px;
  margin-bottom: 12px;
}
.payment-header h1 {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}
.payment-order-no {
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.05em;
}
.payment-amount {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-light);
}
.amount-label {
  font-size: 14px;
  color: var(--gray);
}
.amount-value {
  font-family: var(--font-display);
  font-size: 42px;
  letter-spacing: 0.02em;
  color: var(--accent);
}

/* 二维码容器 */
.qr-container {
  width: 260px;
  height: 260px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-soft);
  border: 1px solid var(--gray-light);
}
.qr-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--gray);
  font-size: 13px;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--gray-light);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.qr-code {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.qr-error {
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--gray);
  font-size: 14px;
}
.btn-retry {
  padding: 10px 24px;
  border: 1.5px solid var(--ink);
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 13px;
  transition: all 0.2s;
}
.btn-retry:hover {
  background: var(--ink);
  color: var(--paper);
}

.payment-tip {
  margin-bottom: 24px;
}
.payment-tip p {
  font-size: 14px;
  color: #444;
  line-height: 1.6;
}
.payment-expire {
  font-size: 12px !important;
  color: var(--gray) !important;
  margin-top: 4px;
}

/* 支付状态 */
.payment-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--paper-soft);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--gray);
  margin-bottom: 24px;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffc107;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.status-dot.paid {
  background: #07c160;
  animation: none;
}
.payment-status.paid {
  color: #07c160;
  font-weight: 600;
}

.payment-actions {
  margin-bottom: 32px;
}
.btn-back {
  font-size: 13px;
  color: var(--gray);
  text-decoration: underline;
}
.btn-back:hover { color: var(--ink); }

/* 订单商品列表 */
.payment-items {
  text-align: left;
  border-top: 1px solid var(--gray-light);
  padding-top: 20px;
}
.payment-items h4 {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 12px;
}
.payment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
}
.pi-name {
  flex: 1;
  font-weight: 500;
}
.pi-meta {
  color: var(--gray);
  margin: 0 16px;
  font-size: 12px;
}
.pi-price {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}

/* 支付成功弹窗 */
.pay-success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}
.pay-success-card {
  background: var(--paper);
  padding: 48px;
  text-align: center;
  animation: pop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.pay-success-icon {
  width: 72px;
  height: 72px;
  background: #07c160;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto 16px;
}
.pay-success-card h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  margin-bottom: 8px;
}
.pay-success-card p {
  color: var(--gray);
  font-size: 14px;
}

/* 状态标签 */
.status-badge {
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.status-badge.paid {
  color: #07c160;
}

/* 响应式补充 */
@media (max-width: 520px) {
  .payment-card {
    padding: 36px 24px;
  }
  .amount-value {
    font-size: 32px;
  }
  .qr-container {
    width: 220px;
    height: 220px;
  }
}

/* ============================================
   手机端支付样式
   ============================================ */
.mobile-pay-container {
  padding: 40px 20px;
  text-align: center;
}
.mobile-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--gray);
  font-size: 14px;
}
.mobile-action {
  text-align: center;
}
.mobile-action p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
}
.btn-open-wechat {
  display: inline-block;
  background: #07c160;
  color: #fff;
  padding: 16px 48px;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.1em;
  transition: all 0.2s;
}
.btn-open-wechat:hover {
  background: #06ad56;
  color: #fff;
}
.mobile-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--gray);
  font-size: 14px;
}