/* 广东轻子绿能科技有限公司 — 主色参考 Sunboost（sun-boost.com 主题变量） */
:root {
  --bg: #f0f0f0;
  --bg-mid: #ebebeb;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #ff6901;
  --accent-hover: #e55e00;
  --accent-soft: #ffb74a;
  --accent-gold: #f0c417;
  --border: #dedede;
  --max: 1200px;
  --page-pad: clamp(1.25rem, 4vw, 2rem);
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 26, 26, 0.08);
  --shadow-lg: 0 20px 60px rgba(26, 26, 26, 0.1);
  --hero-dark: #1a1a1a;
  --hero-mid: #3d2818;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

@media (min-width: 900px) {
  html {
    font-size: 17px;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans SC",
    system-ui,
    sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-mid) 45%, #e8e8e8 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.7;
  font-feature-settings: "kern" 1;
}

a {
  color: var(--accent-soft);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem var(--page-pad);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.brand {
  font-weight: 700;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text);
  letter-spacing: 0.02em;
}

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

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.25rem, 5vw, 3.25rem) var(--page-pad) clamp(3rem, 6vw, 4.5rem);
}

main.main--portal {
  padding-top: clamp(2.75rem, 5vw, 3.75rem);
}

/* —— 科陆式门户：全屏首屏、分区块、占位图 —— */
.portal-hero {
  position: relative;
  min-height: min(72vh, 720px);
  display: grid;
  align-items: center;
  justify-items: center;
  overflow: hidden;
  background: var(--hero-dark);
}

.portal-hero__media {
  position: absolute;
  inset: 0;
}

/* 使用实拍大图时：在 .portal-hero__media 内放入
   <img class="portal-hero__img" src="路径.jpg" alt="" /> 并删除占位 div */
.portal-hero__img {
  /*position: absolute;*/
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portal-hero__media .img-placeholder--cover {
  border: none;
  border-radius: 0;
}

.portal-hero__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    115deg,
    rgba(26, 26, 26, 0.88) 0%,
    rgba(80, 40, 12, 0.45) 48%,
    rgba(45, 24, 10, 0.78) 100%
  );
}

.portal-hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 85% 75% at 50% 45%,
    transparent 35%,
    rgba(18, 12, 8, 0.55) 100%
  );
}

.portal-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  padding: clamp(3rem, 8vw, 5.25rem) var(--page-pad);
  text-align: center;
  color: #ffffff;
}

.portal-hero__brand-en {
  margin: 0 auto clamp(1.5rem, 4vw, 2.25rem);
  max-width: 56rem;
}

.portal-hero__outline {
  margin: 0 0 0.65rem;
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    "Helvetica Neue",
    sans-serif;
  font-size: clamp(1.05rem, 3.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.06);
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.38);
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.35),
    0 0 1px rgba(255, 255, 255, 0.15);
}

.portal-hero__en-sub {
  margin: 0;
  font-family:
    "Segoe UI",
    system-ui,
    sans-serif;
  font-size: clamp(0.72rem, 1.35vw, 0.92rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45);
}

.portal-hero__kicker {
  margin: 0 0 1rem;
  font-size: clamp(0.72rem, 1.5vw, 0.82rem);
  font-weight: 600;
  letter-spacing: 0.42em;
  color: rgba(255, 210, 170, 0.98);
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.4);
}

.portal-hero__title {
  margin: 0;
  font-size: clamp(1.65rem, 4.5vw, 2.45rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-shadow:
    0 4px 36px rgba(0, 0, 0, 0.45),
    0 1px 0 rgba(0, 0, 0, 0.2);
}

.portal-hero__lead {
  margin: 1.15rem auto 0;
  max-width: 32rem;
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  line-height: 1.85;
  color: rgba(255, 250, 245, 0.94);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.35);
}

.portal-hero__actions {
  margin-top: clamp(1.75rem, 4vw, 2.25rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.img-placeholder {
  position: relative;
  background: linear-gradient(145deg, #fff0e6 0%, #ffe8d4 100%);
  background-image:
    linear-gradient(rgba(255, 105, 1, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 105, 1, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  border: 1px dashed rgba(255, 105, 1, 0.35);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  min-height: 8rem;
}

.img-placeholder::after {
  content: attr(data-label);
  max-width: 16rem;
}

.img-placeholder--cover {
  position: absolute;
  inset: 0;
  min-height: 100%;
  background-color: #2a1408;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  color: rgba(255, 210, 185, 0.8);
  border: none;
}

.img-placeholder--photo {
  aspect-ratio: 4 / 3;
  min-height: 220px;
}

.img-placeholder--card {
  aspect-ratio: 16 / 10;
  min-height: 0;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
}

.img-placeholder--tips-banner {
  min-height: 140px;
  flex: 1 1 12rem;
}

.section {
  margin-top: clamp(2.75rem, 6vw, 4rem);
}

.section:first-child {
  margin-top: 0;
}

.section-head {
  margin-bottom: clamp(1.35rem, 3vw, 1.85rem);
}

.section-head--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.section-head__title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
}

.section-head__sub {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.section--stats {
  background: linear-gradient(180deg, #f7f7f7 0%, #ececec 100%);
  margin-left: calc(-1 * var(--page-pad));
  margin-right: calc(-1 * var(--page-pad));
  padding: clamp(2rem, 5vw, 2.75rem) var(--page-pad) clamp(1.75rem, 4vw, 2.25rem);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.section-head--stats {
  text-align: center;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.section-head--stats .section-head__title {
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
}

.section-head--stats .section-head__sub {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.stats-panel {
  max-width: 1040px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26, 26, 26, 0.12);
  box-shadow: var(--shadow-md);
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(0.75rem, 2vw, 1.25rem);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stats-item {
  padding: clamp(1rem, 3vw, 1.35rem) clamp(0.65rem, 2vw, 1rem);
  position: relative;
}

@media (min-width: 768px) {
  .stats-item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 18%;
    right: 0;
    width: 1px;
    height: 64%;
    background: linear-gradient(
      180deg,
      transparent,
      rgba(26, 26, 26, 0.12) 15%,
      rgba(26, 26, 26, 0.12) 85%,
      transparent
    );
  }
}

@media (max-width: 767px) {
  .stats-item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(26, 26, 26, 0.1);
    padding-bottom: 1.25rem;
    margin-bottom: 0.5rem;
  }

  .stats-item:nth-child(odd):not(:last-child)::after {
    content: "";
    position: absolute;
    top: 12%;
    right: 0;
    width: 1px;
    height: 76%;
    background: rgba(26, 26, 26, 0.1);
  }
}

.stats-item__accent {
  display: block;
  width: 2.25rem;
  height: 4px;
  margin: 0 auto 0.85rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  border-radius: 2px;
  opacity: 0.95;
}

.stats-item__num {
  display: block;
  font-size: clamp(1.5rem, 3.8vw, 2.05rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stats-item__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.12em;
}

.stats-item__desc {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #8a7568;
  letter-spacing: 0.04em;
}

.stats-note {
  margin: clamp(1.25rem, 3vw, 1.5rem) auto 0;
  max-width: 40rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #9a8f86;
  text-align: center;
}

.about-split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .about-split {
    grid-template-columns: 1fr 1.05fr;
  }
}

.about-split__media {
  margin: 0;
}

.about-split__text {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--muted);
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent) !important;
  letter-spacing: 0.06em;
}

.link-more::after {
  content: "›";
  font-size: 1.1rem;
  opacity: 0.85;
}

.link-more:hover {
  text-decoration: none !important;
  color: var(--accent-hover) !important;
}

.link-more--inline {
  font-size: 0.9rem;
}

.biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.biz-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(26, 26, 26, 0.08);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.25s ease,
    transform 0.25s ease;
}

.biz-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.biz-card__link {
  display: block;
  color: inherit !important;
  text-decoration: none !important;
}

.biz-card__link:hover .biz-card__title {
  color: var(--accent);
}

.biz-card__pic {
  overflow: hidden;
  background: #fff8f0;
}

.biz-card__title {
  margin: 0;
  padding: 1rem 1.15rem 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: color 0.2s ease;
}

.biz-card__desc {
  margin: 0;
  padding: 0 1.15rem 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

.biz-card__more {
  display: block;
  padding: 0 1.15rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-soft);
  letter-spacing: 0.05em;
}

.section--news {
  padding: clamp(1.5rem, 4vw, 2rem) 0;
  border-top: 1px solid rgba(26, 26, 26, 0.1);
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.09);
  align-items: baseline;
}

.news-list__item:last-child {
  border-bottom: none;
}

.news-list__date {
  font-size: 0.88rem;
  color: #8a7568;
  font-variant-numeric: tabular-nums;
}

.news-list__title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text) !important;
  text-decoration: none !important;
}

.news-list__title:hover {
  color: var(--accent) !important;
}

.tips-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  align-items: stretch;
}

.tips-preview__list {
  flex: 1 1 18rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tips-preview__list li {
  padding: 0.85rem 0;
  border-bottom: 1px dotted var(--border);
}

.tips-preview__list li:last-child {
  border-bottom: none;
}

.tips-preview__list a {
  font-weight: 600;
  font-size: 0.98rem;
}

.section--cta {
  margin-top: clamp(3rem, 7vw, 4rem);
}

.cta-panel {
  background: linear-gradient(135deg, #2a2a2a 0%, #4a2808 55%, #1a1a1a 100%);
  color: #fff5eb;
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 2.75rem) clamp(1.5rem, 4vw, 2.5rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-panel__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.cta-panel__text {
  margin: 0 auto 1.5rem;
  max-width: 32rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(255, 245, 235, 0.92);
}

.cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cta-panel .btn {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-panel .btn-outline {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff !important;
}

.cta-panel .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.card {
  background: var(--surface);
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2rem) clamp(1.35rem, 3vw, 1.85rem);
  margin-top: 2rem;
  box-shadow: var(--shadow-md);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}

.card p {
  margin: 0 0 0.85rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.card-spaced {
  margin-top: 2rem;
}

.home-mini {
  margin-top: 1rem;
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.actions--home {
  margin-top: clamp(2rem, 5vw, 2.75rem);
  gap: 1rem 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.6rem;
  min-width: 7.5rem;
  text-align: center;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(255, 105, 1, 0.28);
  transition:
    background 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(255, 105, 1, 0.32);
  transform: translateY(-1px);
}

/* 首屏按钮：必须写在 .btn 之后，否则会被基础 .btn 覆盖 */
.btn.btn--on-dark {
  background: #ffffff !important;
  color: #ff6901 !important;
  border: 1px solid rgba(255, 105, 1, 0.35);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  transform: none;
}

.btn.btn--on-dark:hover {
  background: var(--accent-gold) !important;
  color: #1a1a1a !important;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.22);
  transform: translateY(-1px);
}

.btn.btn--ghost-light {
  background: transparent !important;
  color: #fff !important;
  border: 2px solid rgba(255, 255, 255, 0.65) !important;
  box-shadow: none;
  transform: none;
}

.btn.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: #fff !important;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent) !important;
  border: 2px solid var(--accent);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(255, 105, 1, 0.06);
  transform: translateY(-1px);
}

.page-title {
  margin: 0 0 1.75rem;
  font-size: clamp(1.45rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  border-bottom: 3px solid var(--accent);
  padding-bottom: 0.55rem;
  display: inline-block;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list strong {
  min-width: 5.5rem;
  color: var(--muted);
  font-weight: 600;
}

.site-footer {
  margin-top: auto;
  padding: clamp(1.75rem, 4vw, 2.5rem) var(--page-pad);
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid rgba(26, 26, 26, 0.11);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
}

.site-footer--rich {
  text-align: left;
  background: linear-gradient(180deg, #f5f5f5 0%, #ebebeb 100%);
  border-top: 1px solid var(--border);
  padding-top: clamp(2.25rem, 5vw, 3rem);
  padding-bottom: clamp(1.5rem, 3vw, 2rem);
}

.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.footer-col__title {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin: 0.45rem 0;
}

.footer-links a {
  color: var(--muted) !important;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent) !important;
}

.footer-contact {
  margin: 0.35rem 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--muted);
}

.footer-meta {
  max-width: var(--max);
  margin: clamp(2rem, 4vw, 2.5rem) auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(26, 26, 26, 0.12);
  text-align: center;
}

.footer-meta p {
  margin: 0.35rem 0;
}

.site-footer p {
  margin: 0.35rem 0;
}

.icp-placeholder {
  color: #8a7568;
}

.footer-nav {
  margin: 0.75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.75rem;
}

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

.footer-nav a:hover {
  color: var(--accent);
}

.footer-sep {
  color: var(--border);
  user-select: none;
}

.lead {
  font-size: clamp(1rem, 2vw, 1.08rem);
  color: var(--muted);
  margin: 0 0 1.25rem;
  line-height: 1.75;
}

.lead-tight {
  margin-bottom: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(1.1rem, 3vw, 1.5rem);
  margin-top: 1.25rem;
}

.product-tile {
  background: var(--surface);
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  scroll-margin-top: 5rem;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.25s ease,
    transform 0.25s ease;
}

.product-tile:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.product-tile .tile-visual {
  height: 160px;
  background: linear-gradient(155deg, #fff8f0 0%, #ffe8cc 45%, #ffb74a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-visual--slot {
  position: relative;
  padding: 0 !important;
  overflow: hidden;
}

.tile-visual--slot .img-placeholder--tile {
  position: absolute;
  inset: 0;
  min-height: 100%;
  border: none !important;
  border-radius: 0;
  font-size: 0.78rem;
  padding: 0.75rem;
}

.product-tile .tile-visual img {
  display: block;
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.product-tile .tile-body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.product-tile h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.product-tile p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.tip-list {
  margin-top: 1.25rem;
}

.tip-item {
  background: var(--surface);
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: var(--radius);
  padding: clamp(1.35rem, 3vw, 1.65rem);
  margin-bottom: 1rem;
  scroll-margin-top: 5rem;
  box-shadow: var(--shadow-sm);
}

.tip-item:last-child {
  margin-bottom: 0;
}

.tip-item h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.tip-meta {
  font-size: 0.85rem;
  color: #8a7568;
  margin: 0 0 0.75rem;
}

.tip-item p {
  margin: 0 0 0.65rem;
}

.tip-item p:last-child {
  margin-bottom: 0;
}

.prose h2 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.1rem;
}

.prose p {
  margin: 0 0 0.75rem;
}

.prose ul {
  margin: 0 0 0.75rem;
  padding-left: 1.35rem;
}

.home-section-title {
  margin: clamp(2.75rem, 6vw, 3.5rem) 0 0.65rem;
  font-size: clamp(1.2rem, 2.8vw, 1.4rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.08em;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.75rem;
}

.mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mini-list > li {
  padding: 0.85rem 0;
  border-bottom: 1px dotted var(--border);
}

.mini-list > li:last-child {
  border-bottom: none;
}

.mini-list.card {
  padding: clamp(1.15rem, 3vw, 1.5rem) clamp(1.25rem, 3vw, 1.75rem);
}

.mini-list-media > li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.05rem 0;
}

.mini-list-media .mini-thumb {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.mini-list-media .mini-thumb-lg {
  width: 56px;
  height: 56px;
}

.mini-list-media .mini-text {
  flex: 1;
  min-width: 0;
  font-size: 0.98rem;
  line-height: 1.55;
}

.mini-list-media .mini-text > a {
  color: var(--accent);
  font-weight: 600;
}

.mini-list-media .mini-text > a:hover {
  color: var(--accent-hover);
}

.mini-desc {
  color: var(--muted);
  font-weight: 400;
}

/* —— 产品列表 / 详情（参考 Sunboost 产品线结构） —— */
.main--catalog,
.main--detail {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 2.5rem) var(--page-pad) clamp(3rem, 6vw, 4rem);
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

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

.breadcrumb a:hover {
  color: var(--accent) !important;
}

.breadcrumb__sep {
  margin: 0 0.4rem;
  color: #d4a574;
}

.breadcrumb__current {
  color: var(--text);
}

.catalog-page-head {
  margin-bottom: 1.5rem;
}

.catalog-page-head .page-title {
  margin-bottom: 0.75rem;
}

.catalog-page-head__lead {
  margin: 0;
  max-width: 48rem;
}

.catalog-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  margin-bottom: clamp(2rem, 5vw, 2.75rem);
}

.catalog-jump__pill {
  display: inline-block;
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent) !important;
  background: rgba(255, 105, 1, 0.08);
  border: 1px solid rgba(255, 105, 1, 0.2);
  border-radius: 999px;
  text-decoration: none !important;
}

.catalog-jump__pill:hover {
  background: rgba(255, 105, 1, 0.14);
}

.catalog-block {
  scroll-margin-top: 5rem;
  margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
}

.catalog-block__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.2rem, 2.6vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.catalog-block__intro {
  margin: 0.65rem 0 1.25rem;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 42rem;
  line-height: 1.65;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.catalog-grid--narrow {
  grid-template-columns: repeat(auto-fill, minmax(280px, 400px));
}

.catalog-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(26, 26, 26, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.25s ease,
    transform 0.25s ease;
}

.catalog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.catalog-card__link {
  display: block;
  color: inherit !important;
  text-decoration: none !important;
}

.catalog-card__link:hover .catalog-card__name {
  color: var(--accent);
}

.catalog-card__media {
  background: #fff8f0;
}

.img-placeholder--catalog {
  aspect-ratio: 4 / 3;
  min-height: 180px;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}

.catalog-card__body {
  padding: 1.1rem 1.2rem 1.25rem;
}

.catalog-card__name {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  transition: color 0.2s ease;
}

.catalog-card__meta {
  margin: 0 0 0.75rem;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.45;
}

.catalog-card__more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-soft);
  letter-spacing: 0.04em;
}

.catalog-footnote {
  margin-top: 0.5rem;
  font-size: 0.92rem;
}

.catalog-footnote a {
  font-weight: 600;
}

/* 产品详情页 */
.product-detail__head {
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.product-detail__cat {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-soft);
}

.product-detail__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.product-detail__subtitle {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 40rem;
}

.product-detail__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: clamp(2rem, 5vw, 2.75rem);
}

@media (min-width: 900px) {
  .product-detail__layout {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}

.product-detail__hero-img {
  aspect-ratio: 4 / 3;
  min-height: 220px;
  border-radius: var(--radius);
}

.product-detail__thumbs {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.img-placeholder--thumb {
  width: 4.5rem;
  min-height: 3.5rem;
  flex: 0 0 auto;
  aspect-ratio: 1;
  min-height: 0;
  padding: 0.35rem;
  font-size: 0.65rem;
}

.product-detail__aside {
  padding: 0.25rem 0;
}

.product-detail__lead {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.product-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.product-detail__section {
  margin-bottom: clamp(1.75rem, 4vw, 2.25rem);
}

.product-detail__section--related {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.product-detail__h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.spec-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.spec-table th,
.spec-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(26, 26, 26, 0.11);
  vertical-align: top;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table th {
  width: 38%;
  max-width: 14rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(255, 248, 240, 0.92);
}

.spec-table td {
  color: var(--text);
}

.product-detail__prose p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.related-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.related-list li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  font-weight: 600;
}

body {
  display: flex;
  flex-direction: column;
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn-outline,
  .product-tile,
  .biz-card,
  .catalog-card {
    transition: none;
  }

  .btn:hover,
  .btn-outline:hover,
  .product-tile:hover,
  .biz-card:hover,
  .catalog-card:hover {
    transform: none;
  }
}