/**
 * 绿源生态 — 环境修复工程企业官网样式
 * 深绿大地色系 + 金色点缀 + 工程画册质感
 * 纯原生 CSS，无框架依赖
 */


/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 基底色 — 深绿大地 */
  --bg-deep: #0D1F17;
  --bg-dark: #152A20;
  --bg-card: #1A3025;
  --bg-card-hover: #1F382C;
  --bg-input: rgba(255,255,255,0.04);

  /* 主色 */
  --primary: #1A3A2A;
  --primary-light: #2D5A3D;
  --primary-glow: rgba(45, 90, 61, 0.25);

  /* 点缀色 */
  --gold: #C8A84E;
  --gold-light: #D4B96A;
  --gold-dim: rgba(200, 168, 78, 0.12);
  --gold-glow: rgba(200, 168, 78, 0.2);
  --earth: #8B7355;
  --earth-light: #A68B6E;

  /* 文字色阶 */
  --text: #E8E5DF;
  --text-secondary: #A8B0A5;
  --text-muted: #6B7A6E;

  /* 边框 */
  --border-subtle: rgba(255,255,255,0.06);
  --border-card: rgba(200,168,78,0.15);
  --border-gold: rgba(200,168,78,0.3);

  /* 阴影 */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-gold: 0 0 30px rgba(200,168,78,0.1);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* 间距 */
  --section-py: 90px;
  --container-max: 1200px;
  --header-h: 72px;

  /* 过渡 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration: 300ms;
  --duration-slow: 500ms;

  /* 字体 */
  --font-heading: 'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body: 'Noto Sans SC','Inter','PingFang SC','Microsoft YaHei',sans-serif;
}

/* ============================================================
   全局重置
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg-deep);
  color:var(--text-secondary);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 15%,rgba(26,58,42,0.15) 0%,transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 25%,rgba(139,115,85,0.06) 0%,transparent 60%),
    linear-gradient(180deg,#0D1F17 0%,#152A20 50%,#0D1F17 100%);
  pointer-events:none;
}
::selection{background:rgba(200,168,78,0.3);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px}
a{color:inherit;text-decoration:none;transition:color var(--duration-fast) var(--ease)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
input,textarea,select,button{font-family:inherit;font-size:inherit}
input::placeholder,textarea::placeholder{color:var(--text-muted);opacity:1}

/* ============================================================
   排版
   ============================================================ */
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-heading);
  color:var(--text);
  font-weight:600;
  line-height:1.35;
}
.section-tag{
  display:inline-block;
  font-size:0.75rem;
  font-weight:600;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:0.75rem;
}
.section-title{
  font-size:clamp(1.6rem,3.5vw,2.5rem);
  font-weight:700;
  color:var(--text);
  margin-bottom:0.5rem;
}
.section-subtitle{
  font-size:1rem;
  color:var(--text-secondary);
  max-width:560px;
  line-height:1.7;
}
.section-header{
  text-align:center;
  margin-bottom:52px;
}
/* 章节标题栏 — 左标题 + 右侧入口 (原为内联样式, 抽出以便移动端单独排版) */
.section-bar{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:52px;
}

/* ============================================================
   布局容器
   ============================================================ */
.container{
  width:100%;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-py) 0}
.section--dark{background:rgba(0,0,0,0.2)}

/* ============================================================
   按钮系统
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  font-size:0.92rem;
  font-weight:600;
  border-radius:var(--radius-sm);
  border:none;
  cursor:pointer;
  transition:all var(--duration) var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--gold);
  color:#1A1A1A;
}
.btn--primary:hover{
  background:var(--gold-light);
  box-shadow:var(--shadow-gold);
  transform:translateY(-1px);
  color:#1A1A1A;
}
.btn--outline{
  background:transparent;
  color:var(--gold);
  border:1px solid var(--border-gold);
}
.btn--outline:hover{
  background:var(--gold-dim);
  border-color:var(--gold);
  color:var(--gold-light);
}
.btn--ghost{
  background:rgba(255,255,255,0.03);
  color:var(--text-secondary);
  border:1px solid var(--border-subtle);
}
.btn--ghost:hover{
  background:rgba(255,255,255,0.06);
  color:var(--text);
}

/* ============================================================
   Header 头部 — 深色固定导航
   ============================================================ */
.header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:var(--header-h);
  background:rgba(13,31,23,0.82);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border-subtle);
  transition:background var(--duration) var(--ease),box-shadow var(--duration) var(--ease);
}
.header.scrolled{
  background:rgba(13,31,23,0.97);
  box-shadow:0 1px 30px rgba(0,0,0,0.5);
}
.header__inner{
  display:flex;
  align-items:center;
  height:100%;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
}
/* Logo */
.header__logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  margin-right:auto;
}
.header__logo-icon{
  width:40px;height:40px;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  border-radius:var(--radius-sm);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  color:var(--gold);
  border:1px solid rgba(200,168,78,0.3);
}
.header__logo-text{display:flex;flex-direction:column;line-height:1.2}
.header__logo-name{
  font-family:var(--font-heading);
  font-size:1.05rem;
  font-weight:700;
  color:var(--text);
}
.header__logo-sub{
  font-size:0.6rem;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--gold);
}
/* 主导航 */
.header__nav{display:flex;align-items:center;gap:2px}
.header__nav-link{
  padding:8px 16px;
  font-size:0.9rem;
  color:var(--text-secondary);
  border-radius:var(--radius-sm);
  transition:all var(--duration-fast) var(--ease);
  white-space:nowrap;
}
.header__nav-link:hover,
.header__nav-link.active{
  color:var(--text);
  background:rgba(255,255,255,0.04);
}
/* 导航下拉 */
.header__nav-item{position:relative}
.header__nav-item:hover .header__dropdown{
  opacity:1;visibility:visible;transform:translateY(0);
}
.header__dropdown{
  position:absolute;
  top:100%;left:0;
  min-width:160px;
  padding:8px 0;
  background:rgba(21,42,32,0.98);
  backdrop-filter:blur(20px);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  box-shadow:0 20px 50px rgba(0,0,0,0.6);
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:all var(--duration) var(--ease);
  z-index:60;
}
.header__dropdown a{
  display:block;
  padding:9px 20px;
  font-size:0.85rem;
  color:var(--text-secondary);
  transition:all var(--duration-fast) var(--ease);
}
.header__dropdown a:hover{
  color:var(--gold);
  background:rgba(200,168,78,0.08);
}
/* 头部CTA按钮 */
.header__cta{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:8px 16px;
  background:transparent;
  color:var(--gold);
  font-size:0.82rem;
  font-weight:600;
  border:1px solid var(--border-gold);
  border-radius:var(--radius-sm);
  white-space:nowrap;
  flex-shrink:0;
  margin-left:16px;
  transition:all var(--duration-fast) var(--ease);
}
.header__cta:hover{
  background:var(--gold);
  color:#1A1A1A;
}
/* 头部右侧 */
.header__actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:16px;
}

/* ============================================================
   汉堡菜单（移动端） — 独立在header__actions外
   ============================================================ */
.hamburger{
  display:none;
  width:40px;height:40px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:none;border:none;
  cursor:pointer;
  z-index:110;
  margin-left:8px;
}
.hamburger span{
  display:block;
  width:22px;height:2px;
  background:var(--text);
  border-radius:1px;
  transition:all var(--duration) var(--ease);
}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* 移动端侧滑菜单 */
.mobile-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:80%;max-width:360px;
  background:rgba(21,42,32,0.98);
  backdrop-filter:blur(30px);
  z-index:120;
  transform:translateX(-100%);
  transition:transform var(--duration) var(--ease);
  overflow-y:auto;
}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav__inner{padding:24px;padding-top:80px}
.mobile-nav__brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.mobile-nav__link{
  display:block;
  padding:14px 16px;
  font-size:1rem;
  color:var(--text-secondary);
  border-radius:var(--radius-sm);
  transition:all var(--duration-fast) var(--ease);
}
.mobile-nav__link:hover{color:var(--text);background:rgba(255,255,255,0.03)}
.mobile-nav__sub{padding-left:16px;display:none}
.mobile-nav__sub.open{display:block}
.mobile-nav__sub a{
  display:block;
  padding:10px 16px;
  font-size:0.9rem;
  color:var(--text-muted);
  border-radius:var(--radius-sm);
}
.mobile-nav__overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.6);
  z-index:115;
  opacity:0;pointer-events:none;
  transition:opacity var(--duration) var(--ease);
}
.mobile-nav__overlay.show{opacity:1;pointer-events:auto}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner{
  position:relative;
  height:280px;
  overflow:hidden;
  background:var(--bg-dark);
  margin-top:var(--header-h);
}
.inner-banner__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
}
.inner-banner__overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,31,23,0.6) 0%,rgba(13,31,23,0.4) 50%,var(--bg-deep) 100%);
}
.inner-banner__content{
  position:relative;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
}
.inner-banner__title{
  font-size:clamp(1.75rem,4vw,2.5rem);
  font-weight:700;
  color:#fff;
  margin-bottom:0.5rem;
}
.inner-banner__subtitle{
  font-size:1rem;
  color:rgba(255,255,255,0.6);
}

/* 面包屑 */
.breadcrumb-bar{background:var(--bg-dark);border-bottom:1px solid var(--border-subtle)}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  max-width:var(--container-max);
  margin:0 auto;
  padding:14px 24px;
  font-size:0.85rem;
  color:var(--text-muted);
}
.breadcrumb a{color:var(--text-secondary);transition:color var(--duration-fast)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb i{font-size:0.65rem;color:var(--text-muted)}

/* ============================================================
   卡片系统 — 深色底 + 金色细边框
   ============================================================ */
.card{
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all var(--duration) var(--ease);
}
.card:hover{
  background:var(--bg-card-hover);
  border-color:var(--border-card);
  box-shadow:var(--shadow-card);
  transform:translateY(-2px);
}
.card__image{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--bg-dark);
}
.card__image img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--duration-slow) var(--ease);
}
.card:hover .card__image img{transform:scale(1.05)}
.card__body{padding:20px}
.card__tag{
  display:inline-block;
  padding:3px 10px;
  font-size:0.7rem;
  font-weight:600;
  color:var(--gold);
  background:var(--gold-dim);
  border-radius:3px;
  margin-bottom:8px;
}
.card__title{
  font-family:var(--font-heading);
  font-size:1.05rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__desc{
  font-size:0.9rem;
  color:var(--text-secondary);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__meta{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid var(--border-subtle);
  font-size:0.82rem;
  color:var(--text-muted);
}
.card__meta i{color:var(--gold)}

/* 卡片 — 金色边框hover加强版 */
.card--gold{border-color:var(--border-card)}
.card--gold:hover{border-color:var(--border-gold);box-shadow:var(--shadow-card),var(--shadow-gold)}

/* ============================================================
   首页 — Hero Banner
   ============================================================ */
.hero{
  position:relative;
  height:100vh;
  min-height:600px;
  overflow:hidden;
}
.hero .swiper{position:absolute;inset:0;z-index:0}
.hero__slide{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
}
.hero__overlay{
  position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(13,31,23,0.35) 0%,rgba(13,31,23,0.2) 40%,rgba(13,31,23,0.9) 100%);
}
.hero__content{
  position:relative;
  z-index:3;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding-bottom:120px;
  max-width:var(--container-max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.hero__title{
  font-family:var(--font-heading);
  font-size:clamp(2rem,6vw,4rem);
  font-weight:700;
  color:#fff;
  line-height:1.15;
  margin-bottom:1rem;
  text-shadow:0 2px 30px rgba(0,0,0,0.5);
  max-width:700px;
}
.hero__subtitle{
  font-size:clamp(1rem,2vw,1.2rem);
  color:rgba(255,255,255,0.7);
  margin-bottom:2rem;
}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-pagination{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-top:24px;
}
.hero-pagination .swiper-pagination-bullet{
  width:40px;height:3px;
  border-radius:2px;
  background:rgba(255,255,255,0.3);
  opacity:1;
  transition:all var(--duration);
}
.hero-pagination .swiper-pagination-bullet-active{
  width:60px;
  background:var(--gold);
  box-shadow:0 0 10px var(--gold);
}

/* ============================================================
   首页 — 数字成果
   ============================================================ */
.stats-section{
  background:var(--bg-dark);
  border-top:1px solid var(--border-subtle);
  border-bottom:1px solid var(--border-subtle);
  position:relative;
  overflow:hidden;
}
.stats-section::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat-item{text-align:center}
.stat-item__number{
  font-family:var(--font-heading);
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:700;
  color:var(--gold);
  line-height:1;
  margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.stat-item__number .unit{
  font-size:1.2rem;
  color:var(--gold-light);
}
.stat-item__label{
  font-size:0.88rem;
  color:var(--text-muted);
}

/* ============================================================
   首页 — 核心业务 (4列卡片)
   ============================================================ */
.biz-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.biz-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:3/4;
  cursor:pointer;
  transition:all var(--duration) var(--ease);
}
.biz-card:hover{
  border-color:var(--border-gold);
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.biz-card__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transition:transform var(--duration-slow) var(--ease);
}
.biz-card:hover .biz-card__bg{transform:scale(1.08)}
.biz-card__overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,31,23,0.2) 0%,rgba(13,31,23,0.85) 100%);
}
.biz-card__content{
  position:absolute;
  bottom:0;left:0;right:0;
  padding:24px;
  z-index:2;
}
.biz-card__icon{
  font-size:1.5rem;
  color:var(--gold);
  margin-bottom:8px;
}
.biz-card__name{
  font-family:var(--font-heading);
  font-size:1.15rem;
  font-weight:700;
  color:#fff;
  margin-bottom:4px;
}
.biz-card__metric{
  font-size:0.82rem;
  color:var(--gold-light);
}

/* ============================================================
   首页 — 方案卡片
   ============================================================ */
.solution-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.solution-grid--3{grid-template-columns:repeat(3,1fr);margin-bottom:60px}
.solution-grid--gap{margin-bottom:60px}
.solution-card{
  text-align:center;
  padding:36px 24px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  transition:all var(--duration) var(--ease);
}
.solution-card:hover{
  border-color:var(--border-card);
  transform:translateY(-3px);
}
.solution-card__icon{
  width:64px;height:64px;
  margin:0 auto 20px;
  border-radius:50%;
  background:var(--gold-dim);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.5rem;
  color:var(--gold);
  transition:all var(--duration) var(--ease);
}
.solution-card:hover .solution-card__icon{
  background:rgba(200,168,78,0.25);
  box-shadow:var(--shadow-gold);
}
.solution-card__text{min-width:0}
.solution-card__title{
  font-family:var(--font-heading);
  font-size:1.05rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.solution-card__desc{
  font-size:0.85rem;
  color:var(--text-secondary);
  line-height:1.6;
}

/* ============================================================
   首页 — 案例大图卡片
   ============================================================ */
.case-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.case-card{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:16/9;
  cursor:pointer;
}
.case-card__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transition:transform var(--duration-slow) var(--ease);
}
.case-card:hover .case-card__bg{transform:scale(1.05)}
.case-card__overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(13,31,23,0.9) 100%);
}
.case-card__info{
  position:absolute;
  bottom:0;left:0;right:0;
  padding:24px;
  z-index:2;
}
.case-card__title{
  font-family:var(--font-heading);
  font-size:1.2rem;
  font-weight:700;
  color:#fff;
  margin-bottom:4px;
}
.case-card__area{
  font-size:0.85rem;
  color:var(--gold-light);
}

/* ============================================================
   首页 — 新闻列表 (左图右文)
   ============================================================ */
.news-list-compact{display:flex;flex-direction:column;gap:20px}
.news-item-compact{
  display:flex;
  gap:24px;
  padding:20px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  transition:all var(--duration) var(--ease);
}
.news-item-compact:hover{
  border-color:var(--border-card);
  background:var(--bg-card-hover);
}
.news-item-compact__thumb{
  width:200px;
  aspect-ratio:4/3;
  border-radius:var(--radius-sm);
  overflow:hidden;
  flex-shrink:0;
  background:var(--bg-dark);
}
.news-item-compact__thumb img{
  width:100%;height:100%;
  object-fit:cover;
}
.news-item-compact__info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.news-item-compact__date{
  font-size:0.78rem;
  color:var(--gold);
  margin-bottom:6px;
}
.news-item-compact__title{
  font-family:var(--font-heading);
  font-size:1.05rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.news-item-compact__desc{
  font-size:0.88rem;
  color:var(--text-secondary);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============================================================
   首页 — CTA 区域
   ============================================================ */
.cta-section{
  text-align:center;
  padding:80px 0 100px;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(200,168,78,0.04) 0%,transparent 70%);
  pointer-events:none;
}
.cta-section__title{
  font-size:clamp(1.75rem,4vw,2.5rem);
  margin-bottom:1rem;
  position:relative;
}

/* ============================================================
   列表页网格
   ============================================================ */
.list-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.list-header{
  text-align:center;
  margin-bottom:48px;
}
.list-header h1{
  font-size:clamp(1.75rem,4vw,2.5rem);
  margin-bottom:0.5rem;
}

/* 子栏目过滤栏 */
.filter-bar{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding-bottom:8px;
  margin-bottom:36px;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-bar a{
  display:inline-flex;
  padding:8px 18px;
  font-size:0.85rem;
  font-weight:500;
  color:var(--text-secondary);
  border:1px solid var(--border-subtle);
  border-radius:100px;
  white-space:nowrap;
  transition:all var(--duration-fast) var(--ease);
  flex-shrink:0;
}
.filter-bar a:hover,
.filter-bar a.active{
  color:var(--gold);
  border-color:var(--gold);
  background:var(--gold-dim);
}

/* ============================================================
   详情页
   ============================================================ */
.page-layout{
  max-width:900px;
  margin:0 auto;
}

/* 详情轮播 */
.detail-gallery{
  border-radius:var(--radius-md);
  overflow:hidden;
  margin-bottom:40px;
}
.detail-gallery .swiper-slide{aspect-ratio:16/9}
.detail-gallery .swiper-slide img{
  width:100%;height:100%;
  object-fit:cover;
}

/* 详情头部 */
.detail__header{
  margin-bottom:32px;
  padding-bottom:24px;
  border-bottom:1px solid var(--border-subtle);
}
.detail__title{
  font-size:clamp(1.5rem,3vw,2.25rem);
  margin-bottom:12px;
}
.detail__meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  font-size:0.85rem;
  color:var(--text-muted);
}
.detail__meta-row i{margin-right:4px;color:var(--gold)}

/* 扩展字段参数网格 */
.detail__params{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:12px;
  margin-bottom:32px;
}
.detail__param{
  padding:16px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);
  text-align:center;
}
.detail__param-label{
  font-size:0.75rem;
  color:var(--text-muted);
  margin-bottom:4px;
}
.detail__param-value{
  font-size:1rem;
  font-weight:600;
  color:var(--gold);
}

/* Tab切换 */
.detail-tabs{
  display:flex;
  gap:0;
  border-bottom:1px solid var(--border-subtle);
  margin-bottom:28px;
}
.detail-tabs button{
  padding:14px 24px;
  background:none;
  border:none;
  border-bottom:2px solid transparent;
  color:var(--text-secondary);
  font-size:0.9rem;
  font-weight:500;
  cursor:pointer;
  transition:all var(--duration-fast) var(--ease);
}
.detail-tabs button.active,
.detail-tabs button:hover{
  color:var(--gold);
  border-bottom-color:var(--gold);
}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* 正文内容 */
.detail__body{
  color:var(--text-secondary);
  line-height:2;
  font-size:0.95rem;
}
.detail__body img{border-radius:var(--radius-md);margin:24px 0}
.detail__body p{margin-bottom:16px}
.detail__body h2,.detail__body h3,.detail__body h4{
  font-family:var(--font-heading);
  color:var(--text);
  margin-top:32px;
  margin-bottom:16px;
}

/* 上下篇 */
.detail__pager{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--border-subtle);
  font-size:0.88rem;
  color:var(--text-muted);
}
.detail__pager a{color:var(--text-secondary);transition:color var(--duration-fast)}
.detail__pager a:hover{color:var(--gold)}

/* 相关推荐 */
.related-title{
  font-size:1.35rem;
  font-weight:700;
  margin:56px 0 24px;
  color:var(--text);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
.contact-info-grid{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.contact-info-card{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:20px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  transition:all var(--duration-fast) var(--ease);
}
.contact-info-card:hover{border-color:var(--border-card)}
.contact-info-icon{
  width:44px;height:44px;
  border-radius:var(--radius-sm);
  background:var(--gold-dim);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--gold);
  flex-shrink:0;
  font-size:1.1rem;
}
.contact-info-label{
  font-size:0.82rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:2px;
}
.contact-info-value{
  font-size:0.88rem;
  color:var(--text-secondary);
}

/* 表单卡片 */
.form-card{
  padding:32px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
}
.form-card__title{
  font-family:var(--font-heading);
  font-size:1.25rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:24px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border-subtle);
}
.form-group{margin-bottom:18px}
.form-group label{
  display:block;
  font-size:0.85rem;
  color:var(--text-secondary);
  margin-bottom:6px;
}
.form-group label .required{color:#e74c3c}
.form-control{
  width:100%;
  padding:13px 16px;
  background:var(--bg-input);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);
  color:var(--text);
  font-size:0.9rem;
  transition:all var(--duration-fast) var(--ease);
}
.form-control:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px var(--gold-dim);
}
textarea.form-control{resize:vertical;min-height:100px}

/* ============================================================
   搜索页
   ============================================================ */
.search-box{max-width:700px;margin:0 auto}
.search-form-row{
  display:flex;
  gap:10px;
}
.search-input-wrap{position:relative;flex:1}
.search-input-wrap i{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  color:var(--text-muted);
  font-size:0.95rem;
}
.search-form-row input{
  flex:1;
  padding:15px 20px 15px 44px;
  background:var(--bg-input);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);
  color:var(--text);
  font-size:0.95rem;
  width:100%;
}
.search-form-row input:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px var(--gold-dim);
}
.search-result-item{
  display:flex;
  gap:16px;
  padding:18px;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  transition:all var(--duration-fast) var(--ease);
  margin-bottom:10px;
}
.search-result-item:hover{border-color:var(--border-card);background:var(--bg-card-hover)}
.search-result-item__thumb{
  width:120px;height:90px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  flex-shrink:0;
  background:var(--bg-dark);
}
.search-result-item__thumb img{width:100%;height:100%;object-fit:cover}
.search-result-item__info{flex:1;min-width:0}
.search-result-item__title{
  font-family:var(--font-heading);
  font-size:1rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:4px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.search-result-item__date{
  font-size:0.78rem;
  color:var(--text-muted);
  margin-bottom:4px;
}
.search-result-item__desc{
  font-size:0.85rem;
  color:var(--text-secondary);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============================================================
   分页
   ============================================================ */
.pagination{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:4px;
  margin-top:48px;
}
.pagination a,
.pagination span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;height:40px;
  padding:0 8px;
  font-size:0.88rem;
  color:var(--text-secondary);
  border-radius:var(--radius-sm);
  transition:all var(--duration-fast) var(--ease);
}
.pagination a:hover{background:rgba(255,255,255,0.04);color:var(--text)}
.pagination .active{background:var(--gold);color:#1A1A1A;font-weight:600}
.pagination .disabled{color:var(--text-muted);pointer-events:none}

/* 空状态 */
.empty-state{
  text-align:center;
  padding:60px 20px;
  color:var(--text-muted);
}
.empty-state i{
  font-size:3rem;
  color:var(--text-muted);
  margin-bottom:16px;
  display:block;
}
.empty-state p{font-size:0.95rem}

/* ============================================================
   Footer 底部
   ============================================================ */
.footer{
  background:var(--bg-dark);
  border-top:1px solid var(--border-subtle);
}
.footer__top-line{
  height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding:60px 0 40px;
  max-width:var(--container-max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
/* 页脚品牌行 (原为内联样式) */
.footer__brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer__brand-desc{
  font-size:0.88rem;
  color:var(--text-secondary);
  line-height:1.7;
  margin:16px 0;
}
.footer__social{display:flex;gap:10px}
.footer__social a{
  width:36px;height:36px;
  border-radius:50%;
  background:rgba(255,255,255,0.04);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-muted);
  font-size:0.95rem;
  transition:all var(--duration-fast) var(--ease);
}
.footer__social a:hover{background:var(--gold);color:#1A1A1A}
.footer__col-title{
  font-family:var(--font-heading);
  font-size:1rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:20px;
}
/* 手风琴箭头 — 仅手机端显示 */
.footer__col-chevron{display:none}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{
  font-size:0.88rem;
  color:var(--text-secondary);
  transition:color var(--duration-fast);
}
.footer__links a:hover{color:var(--gold)}
.footer__contact-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:0.85rem;
  color:var(--text-secondary);
  margin-bottom:10px;
}
.footer__contact-item i{color:var(--gold);margin-top:3px;flex-shrink:0}
.footer__qrcode{
  width:120px;height:120px;
  background:#fff;
  border-radius:var(--radius-sm);
  padding:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.7rem;
  color:#999;
  border:1px solid var(--border-subtle);
}
.footer__bottom{
  border-top:1px solid var(--border-subtle);
  padding:20px 0;
}
.footer__bottom-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
  font-size:0.8rem;
  color:var(--text-muted);
  flex-wrap:wrap;
  gap:8px;
}
.footer__bottom a{color:var(--text-muted);transition:color var(--duration-fast)}
.footer__bottom a:hover{color:var(--gold)}

/* 友情链接 */
.friend-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  padding:16px 0;
}
.friend-links__label{font-size:0.82rem;color:var(--text-muted);flex-shrink:0}
.friend-links a{font-size:0.82rem;color:var(--text-muted);transition:color var(--duration-fast)}
.friend-links a:hover{color:var(--gold)}

/* 返回顶部 */
.back-top{
  position:fixed;
  right:20px;bottom:80px;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  color:var(--text-muted);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.9rem;
  cursor:pointer;
  z-index:80;
  opacity:0;pointer-events:none;
  transition:all var(--duration) var(--ease);
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{background:var(--gold);color:#1A1A1A;border-color:var(--gold)}

/* 移动端底部操作条 — 桌面端不显示 (见移动端媒体查询) */
.action-bar{display:none}

/* 在线客服浮动按钮 */
.kefu-float{
  position:fixed;
  right:20px;bottom:136px;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--gold);
  color:#1A1A1A;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  cursor:pointer;
  z-index:80;
  box-shadow:0 4px 16px rgba(200,168,78,0.35);
  transition:all var(--duration) var(--ease);
  animation:kefuPulse 2s infinite;
}
.kefu-float:hover{transform:scale(1.1)}
@keyframes kefuPulse{
  0%,100%{box-shadow:0 4px 16px rgba(200,168,78,0.35)}
  50%{box-shadow:0 4px 28px rgba(200,168,78,0.55)}
}

/* ============================================================
   AOS覆盖
   ============================================================ */
[data-aos]{transition-timing-function:var(--ease)}

/* ============================================================
   响应式 — 窄桌面 (1024px-1199px)
   此区间仍走 PC 版导航, 但按原尺寸会顶出视口, 故整体收紧
   ============================================================ */
@media(max-width:1199px) and (min-width:1024px){
  .header__inner{padding:0 16px}
  .header__nav-link{padding:8px 10px;font-size:0.84rem}
  .header__cta{margin-left:10px;padding:8px 12px}
  .header__actions{margin-left:10px;gap:6px}
}

/* ============================================================
   响应式 — 平板 (768px-1023px)
   ============================================================ */
@media(max-width:1023px){
  :root{--section-py:70px}
  .header__nav,.header__actions{display:none}
  .hamburger{display:flex}
  .header__cta{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 16px}
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .solution-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .news-item-compact__thumb{width:160px}
  /* 触屏设备同样需要够大的社交图标 */
  .footer__social a{width:44px;height:44px}
  /* 平板端页脚链接仍是常显的, 需要足够触控高度 */
  .footer__links{gap:2px}
  .footer__links a{display:flex;align-items:center;min-height:44px}
}

/* ============================================================
   响应式 — 移动端 (<768px)
   思路：不是把 PC 版压扁，而是按手机使用习惯重新排版
   · 收紧纵向留白，一屏看到更多内容
   · 卡片由「单列大卡」改为 2 列网格 / 横向滑动 / 左图右文
   · 触控目标 ≥44px，输入框 16px（防 iOS 聚焦自动缩放）
   ============================================================ */
@media(max-width:767px){
  :root{
    --section-py:44px;
    --header-h:60px;
  }
  /* 给底部操作条让位 */
  body{
    font-size:16px;
    line-height:1.7;
    padding-bottom:calc(56px + env(safe-area-inset-bottom));
  }
  .container{padding:0 16px}

  /* ---------- 区块标题 ---------- */
  .section-header{margin-bottom:26px}
  .section-title{font-size:1.45rem}
  .section-subtitle{font-size:0.85rem;line-height:1.6}
  .section-tag{font-size:0.7rem;letter-spacing:0.16em;margin-bottom:6px}

  /* 标题 + 右侧入口 收成一行，不再换行占两行高度 */
  .section-bar{
    flex-wrap:nowrap;
    align-items:center;
    gap:10px;
    margin-bottom:22px;
  }
  .section-bar .section-title{font-size:1.3rem;margin-bottom:2px}
  .section-bar .section-subtitle{
    font-size:0.78rem;
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:1;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .section-bar .btn{padding:9px 12px;font-size:0.74rem;flex-shrink:0;min-height:38px}
  .section-bar .btn i{display:none}

  /* ---------- 按钮 ---------- */
  .btn{padding:12px 20px;font-size:0.86rem;min-height:44px;justify-content:center}

  /* ---------- 头部 ---------- */
  .header__inner{padding:0 14px}
  .header__logo-icon{width:34px;height:34px;font-size:1rem}
  .header__logo-name{font-size:0.95rem}
  .header__logo-sub{font-size:0.52rem;letter-spacing:0.1em}
  .hamburger{width:44px;height:44px;margin-left:0}
  .header__logo{min-height:44px}

  .mobile-nav{width:84%;max-width:320px}
  .mobile-nav__inner{padding:20px 16px 32px;padding-top:72px}
  .mobile-nav__brand{min-height:44px}
  .mobile-nav__link{padding:15px 14px;font-size:1rem}
  .mobile-nav__sub a{padding:13px 14px;font-size:0.9rem}

  /* ---------- 内页 Banner / 面包屑 ---------- */
  .inner-banner{height:170px}
  .inner-banner__title{font-size:1.35rem}
  .inner-banner__subtitle{font-size:0.82rem}
  .breadcrumb{
    padding:11px 16px;
    font-size:0.76rem;
    overflow-x:auto;
    white-space:nowrap;
    scrollbar-width:none;
  }
  .breadcrumb::-webkit-scrollbar{display:none}

  /* ---------- 首页 Hero ---------- */
  /* svh 避免移动端地址栏收放导致的高度跳变，vh 作为兜底 */
  .hero{height:76vh;height:76svh;min-height:430px;max-height:620px}
  .hero__overlay{
    background:linear-gradient(180deg,
      rgba(13,31,23,0.78) 0%,
      rgba(13,31,23,0.34) 22%,
      rgba(13,31,23,0.55) 55%,
      rgba(13,31,23,0.94) 100%);
  }
  .hero__content{padding-bottom:26px;padding-left:16px;padding-right:16px}
  .hero__title{font-size:clamp(1.55rem,7.2vw,2rem);line-height:1.28;margin-bottom:8px}
  .hero__subtitle{font-size:0.86rem;line-height:1.6;margin-bottom:16px}
  /* 两个按钮并排一行，省下一屏高度 */
  .hero__actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;flex-direction:row}
  .hero__actions .btn{padding:12px 6px;font-size:0.84rem;width:100%;white-space:nowrap}
  .hero-pagination{margin-top:14px;gap:6px}
  .hero-pagination .swiper-pagination-bullet{width:20px;height:3px}
  .hero-pagination .swiper-pagination-bullet-active{width:34px}

  /* ---------- 数据成果：合成一张四宫格卡片 ---------- */
  .stats-section .section-header{margin-bottom:20px}
  .stats{
    grid-template-columns:1fr 1fr;
    gap:0;
    background:var(--bg-card);
    border:1px solid var(--border-subtle);
    border-radius:var(--radius-md);
    overflow:hidden;
  }
  .stat-item{padding:16px 10px;border-right:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
  .stat-item:nth-child(2n){border-right:none}
  .stat-item:nth-child(n+3){border-bottom:none}
  .stat-item__number{font-size:1.7rem;margin-bottom:2px}
  .stat-item__number .unit{font-size:0.85rem}
  .stat-item__label{font-size:0.8rem}

  /* ---------- 核心业务：4 列 → 2×2 网格 ---------- */
  .biz-grid{grid-template-columns:1fr 1fr;gap:10px}
  .biz-card{aspect-ratio:1/1.12}
  .biz-card__content{padding:12px}
  .biz-card__icon{font-size:1rem;margin-bottom:4px}
  .biz-card__name{font-size:0.9rem;margin-bottom:2px}
  .biz-card__metric{font-size:0.72rem}
  .biz-card__overlay{
    background:linear-gradient(180deg,
      rgba(13,31,23,0.08) 0%,
      rgba(13,31,23,0.32) 45%,
      rgba(13,31,23,0.93) 100%);
  }

  /* ---------- 主推项目：横向滑动卡片 ---------- */
  .list-grid--rail{
    display:flex;
    gap:12px;
    overflow-x:auto;
    overflow-y:hidden;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    margin:0 -16px;
    padding:2px 16px 16px;
  }
  .list-grid--rail::-webkit-scrollbar{display:none}
  .list-grid--rail > *{flex:0 0 74%;max-width:74%;scroll-snap-align:start}
  .list-grid--rail .card__image{aspect-ratio:16/10}
  .list-grid--rail .card__body{padding:12px 14px}
  .list-grid--rail .card__title{font-size:0.98rem}
  .list-grid--rail .card__desc{font-size:0.78rem;line-height:1.55}
  .list-grid--rail .card__meta{gap:14px;margin-top:10px;padding-top:10px;font-size:0.74rem}

  /* ---------- 列表页项目网格：单列 → 2 列紧凑卡 ---------- */
  .list-grid:not(.list-grid--rail){grid-template-columns:1fr 1fr;gap:10px}
  .list-grid:not(.list-grid--rail) .card__body{padding:10px 12px}
  .list-grid:not(.list-grid--rail) .card__title{font-size:0.86rem;margin-bottom:4px}
  .list-grid:not(.list-grid--rail) .card__desc{font-size:0.78rem;-webkit-line-clamp:2}
  .list-grid:not(.list-grid--rail) .card__meta{
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
    font-size:0.7rem;
    margin-top:8px;
    padding-top:8px;
  }

  /* ---------- 解决方案 / 技术研发：竖排卡片 → 图标左、文字右 ---------- */
  .solution-grid,
  .solution-grid--3,
  .solution-grid--gap{grid-template-columns:1fr;gap:10px;margin-bottom:28px}
  .solution-card{display:flex;align-items:flex-start;gap:14px;text-align:left;padding:14px}
  .solution-card__icon{
    width:46px;height:46px;
    flex-shrink:0;
    margin:0;
    border-radius:var(--radius-sm);
    font-size:1.1rem;
  }
  .solution-card__text{flex:1;min-width:0}
  .solution-card__title{font-size:0.92rem;margin-bottom:3px}
  .solution-card__desc{font-size:0.78rem;line-height:1.55}

  /* ---------- 工程案例：单列大图 → 2 列方图 ---------- */
  .case-grid{grid-template-columns:1fr 1fr;gap:10px}
  .case-card{aspect-ratio:1/1}
  .case-card__info{padding:10px}
  .case-card__title{
    font-size:0.84rem;
    margin-bottom:2px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .case-card__area{font-size:0.72rem}
  .case-card__overlay{background:linear-gradient(180deg,transparent 18%,rgba(13,31,23,0.93) 100%)}

  /* ---------- 新闻：上图下文 → 左图右文 ---------- */
  .news-list-compact{gap:10px}
  .news-item-compact{flex-direction:row;align-items:center;gap:12px;padding:12px}
  .news-item-compact__thumb{width:104px;aspect-ratio:1/1;flex-shrink:0}
  .news-item-compact__date{font-size:0.72rem;margin-bottom:2px}
  .news-item-compact__title{
    font-size:0.9rem;
    margin-bottom:0;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-item-compact__desc{display:none}

  /* ---------- CTA ---------- */
  .cta-section{padding:48px 0 56px}
  .cta-section__title{font-size:1.5rem;margin-bottom:12px}

  /* ---------- 详情页 ---------- */
  .detail-gallery{margin-bottom:24px}
  .detail__header{margin-bottom:22px;padding-bottom:18px}
  .detail__title{font-size:1.3rem}
  .detail__meta-row{gap:12px;font-size:0.78rem}
  .detail__params{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px}
  .detail__param{padding:12px 8px}
  .detail__param-label{font-size:0.7rem}
  .detail__param-value{font-size:0.9rem}
  .detail-tabs{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-bottom:20px}
  .detail-tabs::-webkit-scrollbar{display:none}
  .detail-tabs button{padding:13px 16px;font-size:0.82rem;white-space:nowrap;min-height:46px}
  .detail__body{font-size:0.95rem;line-height:1.85}
  .detail__pager{flex-direction:column;align-items:flex-start;gap:8px;font-size:0.82rem;margin-top:32px}
  .related-title{font-size:1.1rem;margin:32px 0 16px}
  .related-grid{grid-template-columns:1fr 1fr;gap:10px}

  /* ---------- 联系我们 / 表单 ---------- */
  .contact-grid{gap:24px}
  .contact-info-card{padding:16px;gap:12px}
  .contact-info-icon{width:40px;height:40px;font-size:1rem}
  .form-card{padding:18px}
  .form-card__title{font-size:1.05rem;margin-bottom:18px;padding-bottom:12px}
  .form-group{margin-bottom:14px}
  /* 16px 是关键：小于 16px iOS 聚焦时会自动放大页面 */
  .form-control{font-size:16px;padding:12px 14px}
  textarea.form-control{min-height:96px}

  /* ---------- 搜索页 ---------- */
  .search-form-row{flex-direction:column;gap:8px}
  .search-form-row input{font-size:16px;padding:13px 16px 13px 42px}
  .search-form-row .btn{width:100%}
  .search-result-item{gap:12px;padding:12px}
  .search-result-item__thumb{width:96px;height:72px}
  .search-result-item__title{font-size:0.9rem}
  .search-result-item__desc{font-size:0.78rem}

  /* ---------- 筛选栏 / 分页：加大触控目标 ---------- */
  .filter-bar{gap:6px;margin-bottom:22px;padding-bottom:4px}
  .filter-bar a{padding:11px 16px;font-size:0.8rem;min-height:42px;align-items:center}
  /* 首页/上一页/下一页/尾页 文字较长, 需 nowrap 且允许换行兜底 */
  .pagination{flex-wrap:wrap;gap:6px;margin-top:32px}
  .pagination a,
  .pagination span{
    min-width:40px;
    height:42px;
    padding:0 9px;
    font-size:0.78rem;
    white-space:nowrap;
  }

  /* ---------- Footer：四列堆叠 → 手风琴折叠 ---------- */
  .footer__grid{
    grid-template-columns:1fr;
    gap:0;
    padding:28px 16px 20px;
  }
  .footer__grid > div:first-child{padding-bottom:22px}
  .footer__brand-desc{margin:14px 0;font-size:0.84rem}
  .footer__col{border-top:1px solid var(--border-subtle)}
  .footer__col-title{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-bottom:0;
    padding:15px 0;
    font-size:0.95rem;
    min-height:52px;
    cursor:pointer;
    -webkit-tap-highlight-color:transparent;
  }
  .footer__col-chevron{
    display:block;
    font-size:0.7rem;
    color:var(--text-muted);
    transition:transform var(--duration) var(--ease),color var(--duration) var(--ease);
  }
  .footer__col.is-open .footer__col-chevron{transform:rotate(180deg);color:var(--gold)}
  /* 无 JS 时全部展开，避免内容不可达 */
  .js .footer__col-body{display:none}
  .js .footer__col.is-open .footer__col-body{display:block}
  .footer__col-body{padding-bottom:18px}
  .footer__links{gap:0}
  .footer__links{gap:0}
  .footer__links a{font-size:0.86rem;padding:0;display:flex;align-items:center;min-height:44px}
  .footer__contact-item{font-size:0.84rem;margin-bottom:0;min-height:44px;align-items:center}
  .footer__social a{width:44px;height:44px;font-size:1.05rem}
  .footer__qrcode{width:104px;height:104px}
  .friend-links{gap:10px;padding:14px 0}
  .friend-links a{font-size:0.8rem}
  .footer__bottom{padding:16px 0}
  .footer__bottom-inner{flex-direction:column;text-align:center;gap:6px;font-size:0.78rem}

  /* ---------- 移动端底部操作条 ---------- */
  .action-bar{
    display:flex;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:90;
    background:rgba(13,31,23,0.96);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--border-subtle);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .action-bar__item{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:2px;
    min-height:54px;
    padding:6px 2px;
    background:none;
    border:none;
    color:var(--text-secondary);
    font-size:0.7rem;
    font-family:inherit;
    line-height:1.2;
    cursor:pointer;
    transition:color var(--duration-fast) var(--ease);
    -webkit-tap-highlight-color:transparent;
  }
  .action-bar__item i{font-size:1.05rem}
  .action-bar__item:active{color:var(--gold)}
  /* 主操作做成金色按钮 */
  .action-bar__item--primary{
    flex:1.3;
    margin:6px 5px;
    min-height:0;
    border-radius:var(--radius-sm);
    background:var(--gold);
    color:#1A1A1A;
    font-weight:600;
  }
  .action-bar__item--primary:active{background:var(--gold-light);color:#1A1A1A}

  /* 悬浮客服与返回顶部已被操作条取代 */
  .back-top,
  .kefu-float{display:none}
}

/* ============================================================
   减少动画偏好
   ============================================================ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important;
    scroll-behavior:auto!important;
  }
}