/* 春日潮购 PC 站 — 严格对齐 UI 规范稿 */
:root {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-brand: #22c55e;
  --color-brand-dark: #16a34a;
  --color-brand-soft: rgba(34, 197, 94, 0.1);
  --color-orange: #ff8a00;
  --color-profit: #ff3b30;
  --color-border: #e5e7eb;
  --color-footer: #1f2937;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-phone: 0 24px 48px rgba(15, 23, 42, 0.12), 0 8px 16px rgba(15, 23, 42, 0.06);
  --radius: 12px;
  --radius-btn-lg: 8px;
  --radius-btn-sm: 6px;
  --maxw: 1000px;
  --layout-header-h: 64px;
  --layout-hero-min-h: 420px;
  --section-gap: 30px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; vertical-align: middle; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  min-height: var(--layout-header-h);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .header-inner--split {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-24);
    flex-wrap: nowrap;
  }
  .header-inner--split .header-brand { justify-self: start; }
  .header-inner--split .nav { justify-self: center; }
  .header-inner--split .header-actions { justify-self: end; }
}

@media (max-width: 767px) {
  .header-inner--split .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover { text-decoration: none; color: var(--color-brand-dark); }

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-img--sm {
  width: 32px;
  height: 32px;
}

.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-title { font-size: 17px; font-weight: 700; color: var(--color-text); }
.logo-subtitle { font-size: 11px; font-weight: 400; color: var(--color-muted); margin-top: 2px; }

.nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; }

.nav a {
  padding: 8px 18px;
  border-radius: 8px;
  color: var(--color-muted);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  position: relative;
}

.nav a:hover { color: var(--color-brand-dark); text-decoration: none; }

/* 选中态：绿色文字 + 底部短条 */
.nav a[aria-current="page"] {
  color: var(--color-brand-dark);
  font-weight: 600;
}

.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-btn-sm);
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.site-header .header-actions .btn-primary {
  min-height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-btn-sm);
  font-size: 14px;
  font-weight: 600;
}

.btn:hover { text-decoration: none; }
.btn .btn-icon { width: 20px; height: 20px; flex-shrink: 0; object-fit: contain; border-radius: 50%; background: #fff; padding: 1px; }

.btn-primary {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.35);
}
.btn-primary:hover { background: var(--color-brand-dark); transform: translateY(-1px); }

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: #f9fafb; border-color: #d1d5db; }

/* —— Hero —— */
.hero--marketing {
  background: #ffffff;
  padding: 48px 0 56px;
}

@media (min-width: 900px) {
  .hero--marketing {
    padding: 48px 0 56px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  .hero-copy { flex: 1 1 0; min-width: 0; max-width: 520px; width: auto; }
  .hero-visual { flex: 0 0 260px; }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  max-width: 580px;
}

.hero-badge--live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 20px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brand-dark);
  background: rgba(34, 197, 94, 0.12);
}

.hero-badge__icon { width: 16px; height: 16px; color: var(--color-brand-dark); }

.hero-headline {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 0 0 20px;
  width: 100%;
  font-weight: 700;
}

.hero-headline__line {
  display: block;
  font-size: 40px;
  line-height: 56px;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
}

.hero-headline__line--green,
.hero-headline__accent {
  color: var(--color-brand);
}

.hero-headline__plain { color: var(--color-text); }

@media (max-width: 640px) {
  .hero-headline__line { font-size: 26px; line-height: 1.4; }
}

.lead {
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 26px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.btn--hero {
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn-lg);
  font-size: 16px;
  font-weight: 600;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

@media (max-width: 640px) {
  .hero-features { gap: 12px; }
}

.hero-feature__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.hero-feature__text strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.hero-feature__text span {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 2px;
}

.hero-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.hero-feature-icon svg { width: 20px; height: 20px; }

/* Phone */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.hero-phone { width: 260px; flex-shrink: 0; }

.hero-phone__bezel {
  position: relative;
  padding: 8px;
  border-radius: 38px;
  background: #1c1c1e;
  box-shadow: var(--shadow-phone);
}

.hero-phone__screen {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  background: #000;
  line-height: 0;
}

.hero-phone__screen img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-caption {
  display: none;
}

/* —— Sections —— */
.section { padding: 18px 0; }

.section-head { margin-bottom: var(--space-16); }

.section-head--rebate {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.rebate-tip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-brand-dark);
  font-size: 12px;
  font-weight: 600;
}

.section-title {
  margin: 0;
  font-size: 20px;
  line-height: 28px;
  font-weight: 700;
  color: var(--color-text);
}

.section-title--lg { font-size: 22px; font-weight: 700; }

.section-desc {
  margin: 0 0 var(--space-24);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 22px;
}

.card {
  background: var(--color-surface);
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  border: none;
}

/* —— 今日差价情报榜 —— */
.rank-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.rank-card__head-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rank-card__head-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-muted);
}

.rank-card__update { font-size: 12px; color: var(--color-muted); }

.rank-card__refresh {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #f3f4f6;
  border: none;
  display: grid;
  place-items: center;
  color: var(--color-muted);
  cursor: pointer;
}
.rank-card__refresh:hover { background: #e5e7eb; color: var(--color-text); }
.rank-card__refresh svg { width: 14px; height: 14px; }

.rank-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.tag-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-brand-dark);
  font-size: 11px;
  font-weight: 600;
}

.tag-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-brand);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.table-wrap { overflow-x: auto; }

table.demo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.demo-table th,
.demo-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.demo-table th {
  background: transparent;
  font-weight: 600;
  color: var(--color-muted);
  white-space: nowrap;
  font-size: 12px;
  padding-top: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.demo-table th.col-price-th { text-align: center; }
.demo-table th.col-op-th { width: 24px; padding: 0; }
.demo-table th.col-prices,
.demo-table th.col-profit,
.demo-table th.col-action { text-align: center; }

.demo-table tbody tr:last-child td { border-bottom: none; }
.demo-table tbody tr:hover { background: #fafbfc; }

.demo-table .profit {
  color: var(--color-profit);
  font-weight: 700;
  font-size: 16px;
}

.cell-product {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 240px;
}

.cell-product__thumb {
  width: 56px;
  height: 56px;
  border-radius: 6px;
  background: #f5f5f5;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.cell-product__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.badge-platform {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
}

.badge-tb { background: #ff6a00; }
.badge-vip { background: #e91e8c; }
.badge-jd { background: #e1251b; }

.cell-product__body strong {
  display: block;
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 6px;
  font-weight: 600;
  line-height: 1.4;
}

.cell-product__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}

.meta-tag--orange {
  background: #fff3e0;
  color: #ff8a00;
}

.meta-text { font-size: 11px; color: var(--color-muted); }

.cell-price { text-align: center; min-width: 80px; }
.price-label { display: block; font-size: 12px; color: #999; margin-top: 4px; }
.price-value { font-size: 14px; font-weight: 600; color: var(--color-text); }

.cell-op {
  text-align: center;
  font-size: 16px;
  color: #9ca3af;
  font-weight: 400;
  width: 24px;
  padding: 0 !important;
  vertical-align: middle;
  line-height: 1;
}

.cell-price--profit .price-label { color: var(--color-muted); }

.cell-actions {
  text-align: center;
  white-space: nowrap;
}

.btn-table {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--color-brand);
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  margin-bottom: 6px;
}

.btn-table:hover {
  background: var(--color-brand-dark);
  text-decoration: none;
  color: #fff;
}

.link-mini {
  display: block;
  font-size: 11px;
  color: var(--color-brand-dark);
  margin-top: 4px;
}

.link-mini:hover { text-decoration: underline; }

.rank-card__more {
  margin-top: var(--space-16);
  text-align: center;
  padding-top: var(--space-16);
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
}

.link-more:hover { color: var(--color-brand-dark); text-decoration: none; }

/* —— 购物返利入口 —— */
.rebate-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 1024px) {
  .rebate-layout {
    grid-template-columns: 1fr 280px;
    align-items: stretch;
  }
}

.rebate-platforms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 768px) {
  .rebate-platforms { grid-template-columns: repeat(2, 1fr); }
}

.rebate-card {
  border-radius: var(--radius);
  background: var(--color-surface);
  border: none;
  box-shadow: none;
  padding: 16px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.rebate-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.rebate-card--tb .rebate-card__icon { background: linear-gradient(135deg, #ff8a00, #ff6b00); }
.rebate-card--jd .rebate-card__icon { background: linear-gradient(135deg, #e1251b, #c41e16); }
.rebate-card--pdd .rebate-card__icon { background: #000; }
.rebate-card--vip .rebate-card__icon { background: linear-gradient(135deg, #e91e8c, #c2185b); }

.rebate-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.rebate-card__rate-label {
  font-size: 12px;
  color: var(--color-muted);
}

.rebate-card__rate {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  margin: 2px 0 6px;
}

.rebate-card__rate span { font-size: 18px; font-weight: 700; margin-left: 2px; }

.rebate-card--tb .rebate-card__rate { color: #ff6b00; }
.rebate-card--jd .rebate-card__rate { color: #e1251b; }
.rebate-card--pdd .rebate-card__rate { color: #000; }
.rebate-card--vip .rebate-card__rate { color: #e91e8c; }

.rebate-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin-top: 4px;
}

.rebate-card__btn:hover { text-decoration: none; color: #fff; opacity: 0.92; }

.rebate-card__btn--tb { background: linear-gradient(135deg, #ff8a00, #ff6b00); }
.rebate-card__btn--jd { background: linear-gradient(135deg, #e1251b, #c41e16); }
.rebate-card__btn--pdd { background: #000; }
.rebate-card__btn--vip { background: linear-gradient(135deg, #e91e8c, #c2185b); }

.tips-box {
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.18);
  border-radius: var(--radius);
  padding: 20px;
}

.tips-box h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-brand-dark);
}

.tips-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tips-box li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--color-text);
  line-height: 1.5;
}

.tips-box li:last-child { margin-bottom: 0; }

.tips-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-brand);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: grid;
  place-items: center;
  line-height: 1;
}

/* —— QR 区 —— */
.qr-section {
  background: var(--color-surface);
  border-radius: 0;
  box-shadow: none;
  border: none;
  padding: 0;
}

.qr-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
  align-items: center;
}

@media (min-width: 768px) {
  .qr-section__grid {
    grid-template-columns: auto 1fr auto;
    gap: 32px;
  }
}

.qr-section__copy h2 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.qr-section__sub {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--color-muted);
}

.qr-benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.qr-benefits li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text);
}

.qr-benefits svg { color: var(--color-brand); }

.mini-program-qr {
  width: 90px;
  margin: 0 auto;
}

.mini-program-qr img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (min-width: 768px) {
  .mini-program-qr { margin: 0; }
}

.btn-qr {
  min-height: 64px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.3;
  text-align: left;
}

.btn-qr .btn-icon { width: 22px; height: 22px; }

/* —— Subpage helpers (kept) —— */
.qr-block {
  text-align: center;
  padding: var(--space-32);
  background: rgba(34, 197, 94, 0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.qr-placeholder {
  width: min(200px, 70vw);
  height: 200px;
  margin: 0 auto 1rem;
  border: 2px dashed rgba(34, 197, 94, 0.35);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.platform-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.platform-card strong {
  display: block;
  font-size: 1.25rem;
  color: var(--color-brand-dark);
  margin-bottom: 0.25rem;
}

.platform-card span { font-size: 0.875rem; color: var(--color-muted); }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-muted);
}

.chip.is-active {
  border-color: var(--color-brand);
  color: var(--color-brand-dark);
  background: rgba(34, 197, 94, 0.1);
}

.product-list { display: flex; flex-direction: column; gap: 1rem; }

.product-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  align-items: start;
}

.product-card img { width: 100%; border-radius: 8px; background: #f1f5f9; }

.product-thumb {
  width: 100px;
  min-height: 100px;
  border-radius: 8px;
  background: linear-gradient(145deg, #e5e7eb, #f8fafc);
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-size: 0.75rem;
}

.product-meta { font-size: 12px; color: var(--color-muted); margin-top: 0.5rem; }

.formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.formula .profit-big {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-profit);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  counter-reset: step;
}

.step {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  position: relative;
  padding-top: 2rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--color-brand);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.step p { margin: 0; font-size: 0.875rem; color: var(--color-muted); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.feature {
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.feature h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.feature p { margin: 0; font-size: 0.875rem; color: var(--color-muted); }

.faq details {
  background: var(--color-surface);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.faq summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { border-bottom: 1px solid var(--color-border); }
.faq .faq-body { padding: 0 1.25rem 1rem; color: var(--color-muted); font-size: 13px; }

/* —— Footer —— */
.site-footer {
  background: var(--color-footer);
  color: #9ca3af;
  padding: var(--space-40) 0 var(--space-24);
  margin-top: var(--space-40);
  font-size: 13px;
}

.site-footer a { color: #d1d5db; }
.site-footer a:hover { color: #fff; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col--brand { grid-column: 1 / -1; }
}

.footer-brand {
  color: #f3f4f6;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-mark { width: 32px; height: 32px; }
.footer-brand .logo-mark svg { width: 18px; height: 18px; }

.footer-desc {
  margin: 0 0 16px;
  line-height: 1.7;
  font-size: 12px;
  color: #9ca3af;
}

.footer-copy {
  margin: 0;
  font-size: 12px;
  color: #6b7280;
}

.footer-links h4 {
  margin: 0 0 16px;
  font-size: 14px;
  color: #f3f4f6;
  font-weight: 600;
}

.footer-links ul { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links li a { font-size: 12px; }

.footer-social { display: flex; gap: 10px; flex-wrap: wrap; }

.footer-social a {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-brand);
  overflow: hidden;
}

.footer-social a:hover { background: var(--color-brand); color: #fff; text-decoration: none; }
.footer-social svg { width: 18px; height: 18px; }
.footer-social img { width: 22px; height: 22px; object-fit: contain; }

.footer-bottom {
  padding-top: var(--space-24);
  border-top: 1px solid rgba(75, 85, 99, 0.4);
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
}

.footer-bottom p { margin: 0; }

.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.shots figure {
  margin: 0;
  background: var(--color-surface);
  padding: 0.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.shots figcaption {
  margin-top: 0.5rem;
  font-size: 12px;
  color: var(--color-muted);
  text-align: center;
}

.notice {
  font-size: 12px;
  color: var(--color-muted);
  padding: 12px 16px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.breadcrumb a { color: var(--color-muted); }

/* —— QR Modal —— */
.qr-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
}

.qr-modal.is-open {
  display: flex;
}

.qr-modal__card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  position: relative;
  max-width: 320px;
  width: 90%;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.qr-modal__close {
  position: absolute;
  top: 12px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  font-size: 24px;
  color: #9ca3af;
  cursor: pointer;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.qr-modal__close:hover { color: var(--color-text); background: #f3f4f6; }

.qr-modal__card img {
  width: 180px;
  height: 180px;
  border-radius: 12px;
  margin-bottom: 16px;
}

.qr-modal__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.qr-modal__desc {
  margin: 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* —— Mobile (max-width: 640px) —— */
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero--marketing { padding: 24px 0 32px; }
  .hero-grid { gap: 24px; }
  .hero-copy { max-width: 100%; }
  .hero-phone { width: 200px; }
  .hero-badge--live { margin-bottom: 12px; font-size: 12px; padding: 4px 10px; }
  .hero-headline__line { font-size: 24px; line-height: 1.4; }
  .lead { font-size: 13px; line-height: 22px; margin-bottom: 20px; }
  .hero-cta { gap: 10px; }
  .btn--hero { min-height: 40px; padding: 0 18px; font-size: 14px; }
  .hero-features { gap: 10px; }
  .hero-feature-icon { width: 32px; height: 32px; }
  .hero-feature-icon svg { width: 16px; height: 16px; }
  .hero-feature__text strong { font-size: 13px; }

  .section { padding: 14px 0; }
  .section-title { font-size: 18px; }
  .section-title--lg { font-size: 18px; }
  .section-desc { font-size: 12px; margin-bottom: 12px; }

  .rank-card__head { gap: 8px; margin-bottom: 8px; padding-bottom: 8px; }
  .rank-card__title { font-size: 16px; }

  .demo-table { font-size: 12px; }
  .demo-table th, .demo-table td { padding: 10px 6px; }
  .cell-product { min-width: 160px; gap: 8px; }
  .cell-product__thumb { width: 44px; height: 44px; }
  .cell-product__body strong { font-size: 12px; }
  .cell-product__meta { gap: 4px; }
  .meta-tag { font-size: 10px; padding: 1px 4px; }
  .meta-text { font-size: 10px; }
  .cell-price { min-width: 60px; }
  .price-value { font-size: 13px; }
  .price-label { font-size: 10px; }
  .cell-op { font-size: 14px; }
  .btn-table { padding: 6px 10px; font-size: 11px; }
  .link-mini { font-size: 10px; }

  .rebate-platforms { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .rebate-card { padding: 12px 8px; gap: 4px; }
  .rebate-card__icon { width: 36px; height: 36px; font-size: 14px; }
  .rebate-card__name { font-size: 13px; }
  .rebate-card__rate { font-size: 22px; }
  .rebate-card__rate span { font-size: 14px; }
  .rebate-card__btn { padding: 6px 8px; font-size: 12px; }

  .tips-box { padding: 14px; }
  .tips-box h3 { font-size: 13px; }
  .tips-box li { font-size: 11px; }

  .qr-section__grid { gap: 16px; }
  .qr-section__copy h2 { font-size: 16px; }
  .qr-section__sub { font-size: 12px; }
  .qr-benefits { gap: 10px; }
  .qr-benefits li { font-size: 12px; }
  .mini-program-qr { width: 70px; }
  .btn-qr { min-height: 48px; padding: 0 16px; font-size: 13px; }

  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .site-footer { padding: 24px 0 16px; }

  .section-head--rebate { gap: 8px; }
  .rebate-tip { font-size: 11px; padding: 3px 8px; }
}