/* ============================================================
   金盾门业 H5 展示站 · 样式表
   ============================================================ */

/* === CSS 变量 === */
:root {
  --c-primary: #c8a45c;
  --c-primary-dark: #a07d3a;
  --c-primary-light: #e8d5a3;
  --c-bg: #f8f6f0;
  --c-bg-dark: #1a1a2e;
  --c-bg-card: #ffffff;
  --c-text: #2c2418;
  --c-text-light: #7a7265;
  --c-text-white: #ffffff;
  --c-border: #e8dfd2;
  --c-danger: #d43c3c;
  --c-success: #2d8a4e;
  --c-accent1: #c8a45c;
  --c-accent2: #5c4033;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-gold: 0 4px 20px rgba(200,164,92,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 64px;
  --bottom-nav-h: 60px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* === 基础重置 === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; font: inherit; cursor: pointer; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; }

/* === 顶部导航 === */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(26,26,46,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  height: var(--header-h);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.header--scrolled { background: rgba(26,26,46,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.header__inner {
  max-width: 1200px; margin: 0 auto; padding: 0 16px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.header__logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 28px; }
.logo-text { display: flex; flex-direction: column; }
.logo-brand { font-size: 18px; font-weight: 700; color: var(--c-primary); letter-spacing: 2px; }
.logo-sub { font-size: 10px; color: rgba(255,255,255,0.5); letter-spacing: 1px; font-family: Arial, sans-serif; }
.header__nav { display: flex; gap: 4px; }
.header__link {
  padding: 8px 16px; border-radius: 20px;
  color: rgba(255,255,255,0.7); font-size: 14px;
  transition: var(--transition); white-space: nowrap;
}
.header__link.is-active,
.header__link:hover { color: var(--c-primary); background: rgba(200,164,92,0.12); }
.header__menu {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; z-index: 101;
}
.header__menu span {
  display: block; width: 22px; height: 2px;
  background: var(--c-primary); border-radius: 2px;
  transition: var(--transition);
}
.header__menu.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__menu.is-open span:nth-child(2) { opacity: 0; }
.header__menu.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
@media (max-width: 767px) {
  .header__nav {
    position: fixed; top: 0; right: -100%; width: 260px; height: 100vh;
    background: rgba(26,26,46,0.98); flex-direction: column;
    padding: 80px 24px 24px; gap: 8px;
    transition: var(--transition); z-index: 100;
  }
  .header__nav.is-open { right: 0; }
  .header__menu { display: flex; }
  .header__link { padding: 12px 16px; font-size: 16px; }
}

/* === 全屏Banner === */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  overflow: hidden;
}
.hero__slides { width: 100%; height: 100%; position: relative; }
.hero__slide {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.8s ease;
  pointer-events: none;
}
.hero__slide.is-active { opacity: 1; pointer-events: auto; }
.hero__content { text-align: center; color: #fff; padding: 0 24px; max-width: 600px; z-index: 1; }
.hero__badge {
  display: inline-block; padding: 6px 16px;
  border: 1px solid rgba(200,164,92,0.5);
  border-radius: 20px; font-size: 13px; color: var(--c-primary);
  margin-bottom: 20px; letter-spacing: 2px;
}
.hero__title { font-size: 44px; font-weight: 800; letter-spacing: 4px; margin-bottom: 8px; line-height: 1.2; }
.hero__subtitle { font-size: 18px; opacity: 0.9; margin-bottom: 8px; }
.hero__desc { font-size: 14px; opacity: 0.7; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero__btn {
  display: inline-block; padding: 14px 32px; border-radius: 30px;
  font-size: 15px; font-weight: 600; transition: var(--transition);
}
.hero__btn--primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff; box-shadow: var(--shadow-gold);
}
.hero__btn--primary:active { transform: scale(0.96); }
.hero__btn--outline {
  border: 2px solid rgba(255,255,255,0.5); color: #fff;
}
.hero__btn--outline:active { background: rgba(255,255,255,0.1); }
.hero__dots {
  position: absolute; bottom: 100px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 2;
}
.hero__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition);
}
.hero__dot.is-active { background: var(--c-primary); width: 24px; border-radius: 4px; }
.hero__touch-hint {
  position: absolute; bottom: 130px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.5); font-size: 12px; z-index: 2;
  pointer-events: none; animation: fadeHint 3s infinite;
}
@keyframes fadeHint { 0%,100%{opacity:0.3} 50%{opacity:1} }
.hero__scroll-down {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px; z-index: 2;
}
.hero__scroll-down span {
  display: block; width: 2px; height: 8px; background: rgba(255,255,255,0.4);
  border-radius: 1px; animation: scrollDown 1.5s infinite;
}
.hero__scroll-down span:nth-child(2) { animation-delay: 0.2s; }
.hero__scroll-down span:nth-child(3) { animation-delay: 0.4s; }
@keyframes scrollDown { 0%,100%{opacity:0.2;transform:translateY(0)} 50%{opacity:1;transform:translateY(4px)} }

/* === 数据条 === */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--c-bg-dark); padding: 24px 16px;
  position: relative; z-index: 2;
}
.stats-bar__item {
  text-align: center; color: #fff;
  display: flex; flex-direction: column; align-items: center;
}
.stats-bar__num { font-size: 28px; font-weight: 800; color: var(--c-primary); }
.stats-bar__unit { font-size: 12px; color: var(--c-primary); }
.stats-bar__label { font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* === 通用区块标题 === */
.section-header { text-align: center; padding: 48px 24px 24px; }
.section-title {
  font-size: 26px; font-weight: 700; color: var(--c-text);
  position: relative; display: inline-block; padding-bottom: 12px;
}
.section-title::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 50px; height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-dark));
  border-radius: 2px;
}
.section-desc { font-size: 14px; color: var(--c-text-light); margin-top: 8px; }

/* === 搜索栏 === */
.search-bar {
  display: flex; align-items: center; max-width: 600px; margin: 0 auto 16px;
  padding: 0 16px; position: relative;
}
.search-bar__input {
  width: 100%; padding: 12px 40px 12px 16px;
  border: 2px solid var(--c-border); border-radius: var(--radius-xl);
  background: #fff; font-size: 14px; outline: none; transition: var(--transition);
}
.search-bar__input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(200,164,92,0.12); }
.search-bar__clear {
  position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; border-radius: 50%; background: #ddd;
  color: #666; font-size: 12px; display: flex; align-items: center; justify-content: center;
}

/* === 分类筛选 === */
.filter {
  display: flex; gap: 8px; padding: 0 16px 16px;
  overflow-x: auto; scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.filter::-webkit-scrollbar { display: none; }
.filter__btn {
  flex-shrink: 0; padding: 10px 20px; border-radius: 24px;
  background: #fff; color: var(--c-text-light); font-size: 14px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; align-items: center; gap: 4px; border: 1px solid transparent;
}
.filter__btn.is-active {
  background: var(--c-bg-dark); color: var(--c-primary);
  border-color: var(--c-primary); box-shadow: var(--shadow-gold);
}
.filter__icon { font-size: 16px; }

/* === 产品图墙 === */
.gallery {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; padding: 0 16px 24px;
}
.card {
  background: #fff; border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer; position: relative;
}
.card:active { transform: scale(0.97); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card__img-wrap { position: relative; overflow: hidden; aspect-ratio: 3/4; }
.card__img-track {
  display: flex; transition: transform 0.3s ease; height: 100%;
}
.card__img {
  object-fit: contain; background: #ede4d3; flex-shrink: 0;
}
.card:hover .card__img-track { /* hover 效果由 JS 控制 */ }
.card__hot {
  position: absolute; top: 8px; right: 8px;
  background: linear-gradient(135deg, #d43c3c, #ff6b6b);
  color: #fff; font-size: 10px; padding: 3px 8px; border-radius: 10px;
  font-weight: 600; z-index: 2;
}
.card__img-dots {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 4px; z-index: 2;
}
.card__img-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,0.5); transition: var(--transition);
}
.card__img-dot.is-active { background: #fff; width: 12px; border-radius: 3px; }
.card__tags {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; gap: 4px; padding: 6px 8px;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  flex-wrap: wrap; z-index: 1;
}
.card__tag {
  font-size: 10px; padding: 2px 8px;
  background: rgba(200,164,92,0.9); color: #fff;
  border-radius: 10px;
}
.card__body { padding: 12px; }
.card__title { font-size: 14px; font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.card__subtitle { font-size: 11px; color: var(--c-text-light); margin-bottom: 6px; }
.card__price {
  font-size: 16px; font-weight: 700; color: var(--c-danger);
}
.card__price small { font-size: 11px; font-weight: 400; color: var(--c-text-light); margin-left: 2px; }
.card__desc { font-size: 11px; color: var(--c-text-light); margin-top: 6px; line-height: 1.5; }

/* === 空状态 === */
.empty-state { text-align: center; padding: 48px 24px; color: var(--c-text-light); }
.empty-state__icon { font-size: 48px; margin-bottom: 12px; }
.empty-state__hint { font-size: 13px; margin-top: 4px; opacity: 0.7; }

/* === 加载更多 === */
.load-more { text-align: center; padding: 0 16px 32px; }
.load-more__btn {
  padding: 12px 40px; border-radius: 24px;
  background: #fff; color: var(--c-primary);
  font-size: 14px; font-weight: 600; border: 1px solid var(--c-primary);
  transition: var(--transition);
}
.load-more__btn:active { background: var(--c-primary); color: #fff; }

/* === 产品详情弹窗（多图轮播） === */
.modal { display: none; position: fixed; inset: 0; z-index: 200; }
.modal.is-open { display: flex; align-items: flex-end; justify-content: center; }
.modal__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
}
.modal__body {
  position: relative; z-index: 1;
  background: #fff; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  max-width: 520px; width: 100%; max-height: 85vh;
  overflow-y: auto; padding: 0; animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.modal__close {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%; background: rgba(0,0,0,0.5);
  color: #fff; font-size: 16px; display: flex; align-items: center;
  justify-content: center;
}

/* 轮播区域 */
.modal__carousel {
  position: relative; width: 100%; background: #1a1a2e;
  overflow: hidden; aspect-ratio: 3/4;
}
.modal__carousel-track {
  display: flex; transition: transform 0.35s ease;
  height: 100%;
}
.modal__carousel-track img {
  width: 100%; height: 100%; object-fit: contain;
  flex-shrink: 0; background: #1a1a2e;
}
/* 左右箭头 */
.modal__carousel-prev,
.modal__carousel-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,0.4); color: #fff; font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  z-index: 5; transition: background 0.2s;
}
.modal__carousel-prev:hover,
.modal__carousel-next:hover { background: rgba(0,0,0,0.65); }
.modal__carousel-prev { left: 8px; }
.modal__carousel-next { right: 8px; }
/* 图片计数器 */
.modal__carousel-counter {
  position: absolute; bottom: 52px; right: 12px;
  background: rgba(0,0,0,0.5); color: #fff;
  font-size: 11px; padding: 3px 10px; border-radius: 10px;
  z-index: 5;
}
/* 缩略图导航 */
.modal__thumbs {
  display: flex; gap: 6px; padding: 8px 12px;
  background: rgba(0,0,0,0.85); overflow-x: auto;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 5;
}
.modal__thumbs::-webkit-scrollbar { display: none; }
.modal__thumb {
  width: 48px; height: 36px; border-radius: 4px; overflow: hidden;
  flex-shrink: 0; cursor: pointer; border: 2px solid transparent;
  transition: border-color 0.2s; opacity: 0.6;
}
.modal__thumb.is-active { border-color: var(--c-primary); opacity: 1; }
.modal__thumb img {
  width: 100%; height: 100%; object-fit: cover;
}

.modal__info { padding: 20px; }
.modal__title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.modal__subtitle { font-size: 13px; color: var(--c-text-light); margin-bottom: 12px; }
.modal__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.modal__tag {
  padding: 4px 10px; background: #fdf6e8; color: var(--c-primary-dark);
  border-radius: 12px; font-size: 11px; font-weight: 600;
}
.modal__desc { font-size: 14px; color: var(--c-text-light); line-height: 1.7; margin-bottom: 16px; }
.modal__specs {
  background: var(--c-bg); border-radius: var(--radius-sm); padding: 12px;
  margin-bottom: 16px;
}
.modal__specs-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--c-accent2); }
.modal__specs-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 12px; }
.modal__specs-label { color: var(--c-text-light); }
.modal__specs-value { font-weight: 500; }
.modal__price { font-size: 24px; font-weight: 700; color: var(--c-danger); margin-bottom: 16px; }
.modal__actions { display: flex; gap: 10px; }
.modal__btn {
  flex: 1; padding: 12px; border-radius: 24px; font-size: 14px;
  font-weight: 600; text-align: center; transition: var(--transition);
}
.modal__btn--primary { background: var(--c-primary); color: #fff; }
.modal__btn--outline { border: 1.5px solid var(--c-primary); color: var(--c-primary); background: #fff; }
.modal__btn:active { transform: scale(0.96); }

/* === 服务流程 === */
.flow { padding-bottom: 32px; }
.flow__list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; padding: 0 16px; max-width: 800px; margin: 0 auto;
}
.flow__item {
  text-align: center; padding: 20px 12px; background: #fff;
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  position: relative;
}
.flow__item:not(:last-child)::after {
  content: "→"; position: absolute; right: -12px; top: 50%;
  transform: translateY(-50%); font-size: 20px; color: var(--c-primary);
  z-index: 1;
}
.flow__step {
  display: inline-block; width: 36px; height: 36px; line-height: 36px;
  border-radius: 50%; background: var(--c-bg-dark); color: var(--c-primary);
  font-size: 14px; font-weight: 700; margin-bottom: 8px;
}
.flow__title { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.flow__desc { font-size: 11px; color: var(--c-text-light); }
@media (max-width: 599px) {
  .flow__list { grid-template-columns: repeat(2, 1fr); }
  .flow__item:nth-child(even)::after { display: none; }
}

/* === 客户案例 === */
.cases { padding-bottom: 32px; }
.cases__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; padding: 0 16px; max-width: 1200px; margin: 0 auto;
}
.cases__card {
  border-radius: var(--radius-md); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform 0.25s;
}
.cases__card:active { transform: scale(0.97); }
.cases__card-img { position: relative; }
.cases__card-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.cases__card-tag {
  position: absolute; top: 8px; left: 8px;
  background: rgba(0,0,0,0.6); color: var(--c-primary);
  font-size: 11px; padding: 3px 10px; border-radius: 10px;
}
.cases__card-body { padding: 12px; }
.cases__card-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cases__card-desc { font-size: 12px; color: var(--c-text-light); }

/* === 工厂实力 === */
.about { padding-bottom: 32px; }
.about__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; padding: 0 16px; max-width: 1000px; margin: 0 auto;
}
.about__card {
  text-align: center; padding: 24px 14px; background: #fff;
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  transition: transform 0.25s;
}
.about__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.about__card-icon { font-size: 36px; margin-bottom: 10px; }
.about__card h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--c-accent2); }
.about__card p { font-size: 12px; color: var(--c-text-light); line-height: 1.6; }
@media (max-width: 599px) { .about__grid { grid-template-columns: repeat(2, 1fr); } }

/* === 在线预约 === */
.appointment { padding-bottom: 40px; }
.appointment__form {
  max-width: 600px; margin: 0 auto; padding: 0 16px;
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 24px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { margin-bottom: 12px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--c-accent2); }
.form-label span { color: var(--c-danger); }
.form-input {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm); font-size: 14px; outline: none;
  transition: var(--transition); background: var(--c-bg);
}
.form-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(200,164,92,0.1); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a7265' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-submit {
  width: 100%; padding: 14px; border-radius: 28px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff; font-size: 16px; font-weight: 700;
  box-shadow: var(--shadow-gold); transition: var(--transition);
  margin-top: 4px;
}
.form-submit:active { transform: scale(0.97); }
.form-submit:disabled { opacity: 0.5; pointer-events: none; }
.appointment__success { text-align: center; padding: 40px 24px; display: none; }
.success-icon { font-size: 56px; margin-bottom: 12px; }
.appointment__success h3 { font-size: 20px; margin-bottom: 8px; }
.appointment__success p { font-size: 14px; color: var(--c-text-light); }
.success-sub { margin-top: 8px; }
.success-sub a { color: var(--c-primary); font-weight: 600; }

/* === 联系信息 === */
.contact-section { padding-bottom: 40px; }
.contact__wrapper { max-width: 600px; margin: 0 auto; padding: 0 16px; }
.contact__info-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-md);
}
.contact__item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--c-border);
}
.contact__item:last-of-type { border-bottom: none; }
.contact__item-icon { font-size: 22px; flex-shrink: 0; }
.contact__item-label { font-size: 11px; color: var(--c-text-light); margin-bottom: 2px; }
.contact__item-value { font-size: 15px; font-weight: 600; color: var(--c-accent2); }
.contact__qrcode { text-align: center; padding-top: 20px; border-top: 1px solid var(--c-border); margin-top: 16px; }
.contact__qrcode img { width: 140px; height: 140px; margin: 0 auto 8px; border: 1px solid var(--c-border); border-radius: 8px; }
.contact__qrcode p { font-size: 13px; color: var(--c-text-light); }

/* === 底部 === */
.footer {
  background: var(--c-bg-dark); color: rgba(255,255,255,0.7);
  padding: 40px 24px calc(40px + var(--bottom-nav-h) + var(--safe-bottom));
  text-align: center;
}
.footer__brand { margin-bottom: 20px; }
.footer__logo { font-size: 20px; font-weight: 700; color: var(--c-primary); }
.footer__brand p { font-size: 13px; margin-top: 4px; opacity: 0.7; }
.footer__links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; }
.footer__links a { font-size: 13px; opacity: 0.7; transition: var(--transition); }
.footer__links a:hover { opacity: 1; color: var(--c-primary); }
.footer__copy { font-size: 11px; opacity: 0.5; }
.footer__copy p { margin-bottom: 2px; }

/* === 底部导航栏 === */
.bottom-nav {
  display: none; /* 默认PC隐藏 */
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--c-border);
  height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  display: flex; align-items: center; justify-content: space-around;
}
.bottom-nav__item {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; padding: 6px 12px; transition: var(--transition);
  color: var(--c-text-light); font-size: 10px;
}
.bottom-nav__item.is-active { color: var(--c-primary); }
.bottom-nav__icon { font-size: 20px; }
.bottom-nav__item--call .bottom-nav__icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: var(--shadow-gold);
  margin-top: -16px;
}
@media (min-width: 768px) {
  .bottom-nav { display: none; }
}

/* === 回到顶部 === */
.back-to-top {
  position: fixed; right: 16px; bottom: calc(80px + var(--safe-bottom));
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--c-bg-dark); color: var(--c-primary);
  font-size: 18px; box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  z-index: 80; opacity: 0; transform: translateY(20px);
  pointer-events: none; transition: var(--transition);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:active { transform: scale(0.9); }

/* === 滚动动画 === */
.anim-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.anim-up.is-visible { opacity: 1; transform: translateY(0); }

/* === PC 端适配 === */
@media (min-width: 768px) {
  .hero__title { font-size: 56px; }
  .hero__subtitle { font-size: 20px; }
  .gallery { grid-template-columns: repeat(4, 1fr); max-width: 1200px; margin: 0 auto; }
  .cases__grid { grid-template-columns: repeat(3, 1fr); max-width: 1200px; margin: 0 auto; }
  .flow__list { grid-template-columns: repeat(6, 1fr); max-width: 1200px; }
  .flow__item:last-child::after { display: none; }
  .stats-bar { padding: 32px 0; }
  .stats-bar__num { font-size: 36px; }
  .card__title { font-size: 15px; }
  .modal__body { border-radius: var(--radius-xl); max-height: 90vh; margin: 0 16px 16px; }
  .footer { padding-bottom: 40px; }
}

@media (max-width: 767px) {
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 15px; }
  .hero__touch-hint { display: block; }
  .back-to-top { bottom: calc(80px + var(--safe-bottom)); }
}
@media (min-width: 768px) {
  .hero__touch-hint { display: none; }
  .bottom-nav { display: none; }
}

/* === 输入框表单校验样式 === */
.form-input.is-error { border-color: var(--c-danger); }
.form-input.is-error:focus { box-shadow: 0 0 0 3px rgba(212,60,60,0.1); }

/* === Toast提示 === */
.toast {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
  background: var(--c-bg-dark); color: #fff; padding: 12px 24px;
  border-radius: 24px; font-size: 14px; z-index: 999;
  box-shadow: var(--shadow-lg); animation: toastIn 0.3s ease;
  pointer-events: none;
}
.toast--success { background: var(--c-success); }
.toast--error { background: var(--c-danger); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }