/* 求是毅行俱乐部 - 公司主站（响应式自适应） */

:root {
  --c-primary: #FF6B35;
  --c-secondary: #00B4A0;
  --c-accent: #FFD23F;
  --c-purple: #7B5EA7;
  --c-dark: #1a1a2e;
  --c-text: #2d3436;
  --c-text-light: #636e72;
  --c-bg: #fafbfc;
  --c-bg-alt: #f0f4f8;
  --c-white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --header-h: 56px;
  --section-pad: 48px;
  --container-pad: 16px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

@media (min-width: 768px) {
  :root {
    --header-h: 64px;
    --section-pad: 80px;
    --container-pad: 20px;
  }
}

@media (min-width: 1200px) {
  :root { --section-pad: 100px; }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  padding-top: env(safe-area-inset-top);
  transition: background 0.3s, box-shadow 0.3s;
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.header__inner {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

@media (min-width: 768px) {
  .header__inner { gap: 24px; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  flex-shrink: 0;
  display: block;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 80, 180, 0.2);
}

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

.logo__mark--sm {
  width: 36px;
  height: 36px;
}

.logo__img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  flex-shrink: 0;
  display: block;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo__text strong {
  font-size: 15px;
  color: var(--c-dark);
}

.logo__text small {
  font-size: 10px;
  color: var(--c-text-light);
  letter-spacing: 0.5px;
}

.nav {
  display: none;
  gap: 4px;
  margin-left: auto;
}

.nav__link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--c-text-light);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.nav__link:hover,
.nav__link--active {
  color: var(--c-primary);
  background: rgba(255, 107, 53, 0.08);
}

.header__cta {
  display: none;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--c-primary), #FF8E53);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .header__cta { display: inline-flex; }
}

.header__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.header__member {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  background: #f0f4f8;
  text-decoration: none;
  color: var(--c-dark);
  font-size: 12px;
  flex-shrink: 0;
}

.header__member--vip {
  background: linear-gradient(135deg, #e8f5e9, #f0faf8);
  border: 1px solid rgba(45, 106, 79, 0.2);
}

.header__member-icon { font-size: 16px; line-height: 1; }
.header__member-text {
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

@media (min-width: 768px) {
  .header__member { display: inline-flex; }
}

@media (max-width: 767px) {
  .header__member {
    display: inline-flex;
    padding: 6px 10px;
  }
  .header__member-text { max-width: 56px; font-size: 11px; }
}

.menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  -webkit-tap-highlight-color: transparent;
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-btn--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn--open span:nth-child(2) { opacity: 0; }
.menu-btn--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) {
  .menu-btn { display: none; }

  .nav {
    display: flex;
    position: static;
    background: none;
    box-shadow: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    flex-direction: row;
    padding: 0;
  }
}

/* 手机端侧滑菜单遮罩 */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
}

body.menu-open .nav-overlay { display: block; }

@media (min-width: 768px) {
  .nav-overlay { display: none !important; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: auto;
  padding: calc(var(--header-h) + 32px) var(--container-pad) 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    min-height: 100vh;
    padding: calc(var(--header-h) + 60px) var(--container-pad) 80px;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(160deg, #fff5f0 0%, #f0faf8 40%, #f5f0ff 100%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.hero__orb--1 {
  width: 400px; height: 400px;
  background: var(--c-primary);
  top: -100px; right: -50px;
}

.hero__orb--2 {
  width: 300px; height: 300px;
  background: var(--c-secondary);
  bottom: 10%; left: -80px;
}

.hero__orb--3 {
  width: 250px; height: 250px;
  background: var(--c-accent);
  top: 40%; right: 30%;
}

.hero__content,
.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 107, 53, 0.1);
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-dark);
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 16px;
  color: var(--c-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(135deg, var(--c-primary), #FF8E53);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn--outline {
  background: var(--c-white);
  color: var(--c-dark);
  border-color: #e0e0e0;
}

.btn--ghost {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.hero__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0;
  order: -1;
}

@media (min-width: 768px) {
  .hero__visual {
    gap: 16px;
    padding: 20px;
    order: 0;
  }
}

.hero__card {
  background: var(--c-white);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

a.hero__card--link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

@media (min-width: 768px) {
  .hero__card { padding: 24px; }
  .hero__card:hover { transform: translateY(-4px); }
}

.hero__card span { font-size: clamp(28px, 6vw, 40px); display: block; margin-bottom: 6px; }
.hero__card p { font-size: 13px; font-weight: 600; color: var(--c-text); }

@media (min-width: 768px) {
  .hero__card p { font-size: 14px; }
}

.hero__card--1 {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  display: block;
  text-align: right;
  padding: 12px 10px 12px 8px;
  background: url('../images/hero-bg.png') 22% center / cover no-repeat;
  color: #fff;
  min-height: 100px;
}
.hero__card--1::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(8, 28, 21, 0.05) 0%,
    rgba(8, 28, 21, 0.12) 42%,
    rgba(8, 28, 21, 0.52) 78%,
    rgba(8, 28, 21, 0.62) 100%
  );
  border-radius: inherit;
}
.hero__card--1 .hero__card-body {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}
.hero__card--1 span,
.hero__card--1 .hero__card-logo,
.hero__card--1 p {
  position: relative;
  z-index: 1;
}
.hero__card--1 .hero__card-logo {
  display: block;
  width: 40px;
  height: 40px;
  margin: 0 0 6px;
  padding: 3px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.82;
  background: rgba(255, 255, 255, 0.28);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
.hero__card--1 p {
  color: rgba(255,255,255,0.95);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  max-width: 9em;
  line-height: 1.35;
  margin: 0;
}

.hero__card--2 { background: linear-gradient(135deg, #FF6B35, #FFD23F); color: #fff; }
.hero__card--2 p { color: rgba(255,255,255,0.9); }

.hero__card--3 { background: linear-gradient(135deg, #5B4FCF, #9B7EC8); color: #fff; }
.hero__card--3 p { color: rgba(255,255,255,0.9); }

/* ===== Stats ===== */
.stats {
  background: var(--c-dark);
  padding: 32px 0;
}

@media (min-width: 768px) {
  .stats { padding: 40px 0; }
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (min-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.stat-card {
  text-align: center;
  color: #fff;
}

.stat-card__value {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 4px;
}

/* ===== Section ===== */
.section {
  padding: var(--section-pad) 0;
}

.section--alt {
  background: var(--c-bg-alt);
}

.section__head {
  text-align: center;
  margin-bottom: 48px;
}

.section__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--c-primary);
  margin-bottom: 8px;
}

.section__title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--c-dark);
  margin-bottom: 12px;
}

.section__sub {
  font-size: 15px;
  color: var(--c-text-light);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== Services ===== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 600px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}

.service-card {
  background: var(--c-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent, var(--c-primary));
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .service-card:hover { transform: translateY(-6px); }
}

.service-card__icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.service-card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-dark);
}

.service-card__desc {
  font-size: 14px;
  color: var(--c-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-card__tag {
  font-size: 11px;
  padding: 4px 10px;
  background: color-mix(in srgb, var(--accent, var(--c-primary)) 12%, transparent);
  color: var(--accent, var(--c-primary));
  border-radius: 12px;
  font-weight: 500;
}

/* ===== Projects ===== */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 600px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .project-card--featured {
    grid-column: span 2;
    flex-direction: row;
  }

  .project-card--featured .project-card__cover {
    width: 42%;
    min-width: 42%;
    height: auto;
    min-height: 220px;
  }
}

.project-card {
  background: var(--c-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .project-card:hover { transform: translateY(-6px); }
}

.project-card--featured {
  grid-column: span 1;
  border: 2px solid rgba(45, 106, 79, 0.3);
}

.project-card__cover {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-card__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__emoji {
  font-size: 56px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.project-card__status {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.9);
}

.project-card__status--active { color: #2d6a4f; }
.project-card__status--soon { color: var(--c-primary); }

.project-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 4px;
}

.project-card__subtitle {
  font-size: 13px;
  color: var(--c-secondary);
  font-weight: 600;
  margin-bottom: 8px;
}

.project-card__desc {
  font-size: 13px;
  color: var(--c-text-light);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 12px;
}

.project-card__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--c-text-light);
  margin-bottom: 12px;
}

.project-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
}

/* ===== Shop ===== */
.shop__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 600px) {
  .shop__grid { gap: 16px; }
}

@media (min-width: 768px) {
  .shop__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.product-card {
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.product-card__link {
  display: grid;
  grid-template-rows: minmax(0, 2fr) minmax(72px, 1fr);
  aspect-ratio: 4 / 5;
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .product-card:hover { transform: translateY(-4px); }
}

.product-card__img {
  position: relative;
  min-height: 0;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card__emoji { font-size: 48px; }

.product-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__img .img-carousel,
.product-card__carousel {
  width: 100%;
  height: 100%;
}

.product-card__img .img-carousel__single {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 商品多图轮播 */
.product-card__img .img-carousel__nav,
.product-detail__hero .img-carousel__nav {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: #333;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
}

.product-card__img .img-carousel--swipe {
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
}

.product-card__img .img-carousel--swipe:active {
  cursor: grabbing;
}

.product-card__img .img-carousel__nav {
  display: none;
}

.product-card__img .img-carousel__dots {
  bottom: 6px;
  gap: 4px;
}

.product-card__img .img-carousel__dot {
  width: 5px;
  height: 5px;
}

.product-card__img .img-carousel__prev,
.product-detail__hero .img-carousel__prev { left: 6px; }
.product-card__img .img-carousel__next,
.product-detail__hero .img-carousel__next { right: 6px; }

.img-carousel {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.img-carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.img-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.img-carousel__slide.is-active { opacity: 1; }

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

.img-carousel__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 2;
}

.img-carousel__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
}

.img-carousel__dot.is-active {
  background: #fff;
}

a.product-card--link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card__tag {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 6px;
  z-index: 3;
}

.product-card__body {
  min-height: 0;
  padding: 6px 10px 8px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
}

.product-card__name {
  font-size: 13px;
  font-weight: 600;
  line-height: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.product-card__name--lines-2 {
  height: 36px;
  white-space: normal;
  text-overflow: clip;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.product-card__price {
  font-size: 15px;
  font-weight: 700;
  line-height: 18px;
  margin: 0;
  margin-top: auto;
  padding-top: 4px;
  flex-shrink: 0;
  color: var(--c-primary);
}

.product-card__share {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 28px;
  min-height: 28px;
  padding: 4px 8px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--c-dark);
  font-size: 10px;
  font-weight: 600;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.product-card__share-icon {
  font-size: 11px;
  color: var(--c-primary);
  line-height: 1;
}

@media (max-width: 420px) {
  .product-card__share {
    padding: 6px;
    font-size: 0;
    gap: 0;
  }

  .product-card__share-icon {
    font-size: 12px;
  }
}

.shop__more {
  text-align: center;
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.shop-share-guide {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 16px 18px calc(16px + env(safe-area-inset-top));
}

.shop-share-guide__panel {
  width: min(280px, 100%);
  margin-top: 8px;
  padding: 18px 16px;
  border-radius: 14px;
  background: #fff;
  text-align: center;
}

.shop-share-guide__arrow {
  font-size: 42px;
  line-height: 1;
  color: var(--c-primary);
  margin-bottom: 8px;
}

.shop-share-guide__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 8px;
}

.shop-share-guide__desc {
  font-size: 13px;
  color: var(--c-text-light);
  line-height: 1.6;
  margin-bottom: 14px;
}

.shop-share-guide__btn {
  min-height: 40px;
  width: 100%;
}

.shop-share-guide__link {
  font-size: 11px;
  color: var(--c-text-light);
  word-break: break-all;
  line-height: 1.5;
  margin: -6px 0 12px;
}

.footer__admin {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
}

.footer__admin:hover { color: var(--c-accent); }

/* ===== About ===== */
.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .about {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.about__desc {
  font-size: 15px;
  color: var(--c-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.about__point h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 4px;
}

.about__point p {
  font-size: 13px;
  color: var(--c-text-light);
}

.about__visual {
  position: relative;
  height: 240px;
}

@media (min-width: 768px) {
  .about__visual { height: 360px; }
}

.about__photo {
  position: absolute;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
}

.about__photo span { font-size: 48px; }
.about__photo p { font-size: 14px; margin-top: 8px; }

.about__photo--main {
  width: 70%;
  height: 70%;
  top: 0; left: 0;
  background: linear-gradient(135deg, var(--c-secondary), #52b788);
}

.about__photo--sub1 {
  width: 120px; height: 120px;
  bottom: 20px; right: 60px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
}

.about__photo--sub2 {
  width: 100px; height: 100px;
  top: 20px; right: 0;
  background: linear-gradient(135deg, var(--c-purple), #9B7EC8);
}

/* ===== Contact ===== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 600px) {
  .contact__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .contact__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.contact-card {
  background: var(--c-white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.contact-card:hover {
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .contact-card:hover { transform: translateY(-4px); }
}

.contact-card__icon { font-size: 32px; display: block; margin-bottom: 12px; }

.contact-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 14px;
  color: var(--c-text-light);
}

.contact-card small {
  display: block;
  font-size: 12px;
  color: var(--c-text-light);
  margin-top: 4px;
}

/* ===== Footer ===== */
.footer {
  background: var(--c-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0 calc(24px + env(safe-area-inset-bottom));
}

@media (min-width: 768px) {
  .footer { padding: 48px 0 32px; }
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer__brand strong {
  color: #fff;
  font-size: 16px;
}

.footer__brand p {
  font-size: 12px;
  margin-top: 2px;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: 13px;
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--c-accent); }

.footer__copy {
  font-size: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__icp {
  font-size: 12px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.55);
}

.footer__icp a {
  color: inherit;
  text-decoration: none;
}

.footer__icp a:hover { color: var(--c-accent); }

/* ===== 手机端 (< 768px) ===== */
@media (max-width: 767px) {
  .nav {
    display: flex;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 1001;
    background: var(--c-white);
    flex-direction: column;
    padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    padding: 14px 16px;
    font-size: 15px;
  }

  .logo__text small { display: none; }

  .hero__desc { font-size: 15px; }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    min-height: 48px;
  }

  .section__head { margin-bottom: 32px; }

  .section__sub {
    font-size: 14px;
    padding: 0 8px;
  }

  .service-card { padding: 24px 20px; }

  .about__photo--sub1 {
    width: 90px;
    height: 90px;
    right: 20px;
  }

  .about__photo--sub2 {
    width: 72px;
    height: 72px;
  }

  .footer__links {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== 触控设备：减少 hover 位移 ===== */
@media (hover: none) {
  .btn:hover,
  .header__cta:hover,
  .service-card:hover,
  .project-card:hover,
  .product-card:hover,
  .contact-card:hover {
    transform: none;
  }
}