/* ============================================================
   广州雅美包装材料有限公司 — 官网设计系统 v2
   风格：现代 SaaS / 高质量咨询报告
   配色：高级红 + 灰 + 白（克制、留白、细线、信息层级）
   ============================================================ */

:root {
  /* 色彩体系（红·灰·白） */
  --red-700: #8f141b;       /* 深红 - hover/页脚 */
  --red-600: #b0181f;       /* 主红 - 按钮/强调 */
  --red-500: #c52a31;       /* 亮红 - 点缀 */
  --red-100: #f9eced;       /* 浅红底 - 标签 */
  --ink-900: #1a1d21;       /* 近黑 - 标题/正文 */
  --ink-800: #2a2f35;       /* 深灰 */
  --ink-700: #3c434b;       /* 中深灰 */
  --gray-500: #6b7280;      /* 次级文字 */
  --gray-400: #9ca3af;      /* 弱化文字 */
  --gray-300: #d1d5db;      /* 边框-弱 */
  --gray-100: #e5e7eb;      /* 边框/分隔线 */
  --bg: #ffffff;            /* 主背景 */
  --bg-alt: #f7f8fa;        /* 交替区块 */
  --bg-deep: #14171a;       /* 页脚深底 */

  /* 兼容旧变量名（HTML 中仍有引用） */
  --gold-500: #b0181f;
  --gold-400: #c52a31;
  --gold-300: #e0a0a4;
  --cream-50: #f7f8fa;
  --cream-100: #eef0f3;

  /* 字体 */
  --font-cn: -apple-system, BlinkMacSystemFont, "Segoe UI",
             "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-en: "SF Pro Display", "Segoe UI", -apple-system, sans-serif;

  /* 布局 */
  --maxw: 1200px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
  --shadow-hover: 0 4px 12px rgba(16,24,40,.10);
  --line: 1px solid var(--gray-100);
  --transition: .2s ease;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-800);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { color: var(--ink-900); line-height: 1.3; font-weight: 600; }

.sec { padding: 88px 0; }
.sec-alt { background: var(--bg-alt); }

/* 区块标题（SaaS 风格：小标签 + 大标题 + 描述，克制无装饰） */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head .en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red-600);
}
.section-head h2 { font-size: 32px; margin: 10px 0 12px; letter-spacing: 0; }
.section-head p { color: var(--gray-500); font-size: 15px; }
.section-head .line { display: none; }

/* ---------- 按钮（小圆角、实心主红） ---------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .5px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary { background: var(--red-600); color: #fff; }
.btn-primary:hover { background: var(--red-700); }
.btn-gold { background: var(--red-600); color: #fff; }
.btn-gold:hover { background: var(--red-700); }
.btn-outline { border-color: var(--gray-300); color: var(--ink-900); background: #fff; }
.btn-outline:hover { border-color: var(--red-600); color: var(--red-600); }
.btn-light { border-color: rgba(255,255,255,.65); color: #fff; }
.btn-light:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--ink-900); color: #fff; }
.btn-dark:hover { background: #000; }

/* ---------- 顶部导航（细、极简） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--line);
}
.nav-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 68px;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; }
.brand .brand-txt { line-height: 1.25; }
.brand .brand-txt b {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: .5px;
}
.brand .brand-txt span {
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 2.5px;
}

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 34px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block;
  padding: 24px 0 22px;
  font-size: 14.5px;
  color: var(--ink-800);
  transition: color var(--transition);
  letter-spacing: .5px;
  font-weight: 500;
}
.main-nav > li > a:hover,
.main-nav > li.active > a { color: var(--red-600); }
.main-nav > li.active > a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--red-600);
}
/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: 100%; left: 0;
  min-width: 180px;
  background: #fff;
  border: var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-hover);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: var(--transition);
}
.main-nav > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  color: var(--ink-800);
  border-radius: 6px;
}
.dropdown a:hover { color: var(--red-600); background: var(--bg-alt); }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--ink-900);
  line-height: 1;
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: var(--line);
    box-shadow: var(--shadow-hover);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 80vh; overflow-y: auto; }
  .main-nav > li > a { padding: 14px 0; border-bottom: var(--line); }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 4px 0 8px 12px;
    display: none;
  }
  .main-nav > li.open .dropdown { display: block; }
}

/* ---------- 页脚（深色、细分隔） ---------- */
.site-footer { background: var(--bg-deep); color: #9aa3ad; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 60px 0 44px;
}
.footer-grid h4 { color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 18px; letter-spacing: 1.5px; text-transform: uppercase; }
.footer-grid ul li { margin-bottom: 10px; font-size: 13.5px; }
.footer-grid ul li a:hover { color: #fff; }
.footer-grid p { font-size: 13.5px; margin-bottom: 10px; color: #9aa3ad; }
.footer-grid a { color: #c8cdd2; }
.footer-brand img { height: 38px; margin-bottom: 14px; }
.footer-brand p { color: #8a939b; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 12.5px;
  color: #6d767d;
  text-align: center;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- 首页：Hero 轮播（原图全屏、左下文字） ---------- */
.hero { position: relative; height: 620px; overflow: hidden; background: var(--ink-900); }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .7s ease;
  pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 左下信息块：白底半透明，SaaS 式信息卡 */
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: flex-end;
}
.hero-content .container { width: 100%; padding-bottom: 76px; }
.hero-content .hero-card {
  display: inline-block;
  max-width: 560px;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(6px);
  border-radius: 12px;
  padding: 32px 36px;
  box-shadow: var(--shadow-hover);
}
.hero-content .kicker {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red-600);
  margin-bottom: 10px;
}
.hero-content h1 {
  color: var(--ink-900);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 12px;
  line-height: 1.3;
}
.hero-content p {
  font-size: 14.5px;
  color: var(--gray-500);
  margin-bottom: 24px;
  letter-spacing: 0;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-dots {
  position: absolute;
  right: 48px;
  bottom: 40px;
  z-index: 3;
  display: flex;
  gap: 8px;
}
.hero-dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.5);
  transition: var(--transition);
}
.hero-dots button.active { background: var(--red-600); width: 22px; border-radius: 4px; }
@media (max-width: 900px) {
  .hero { height: 520px; }
  .hero-content .container { padding-bottom: 56px; }
  .hero-content h1 { font-size: 26px; }
  .hero-content .hero-card { padding: 24px 26px; }
  .hero-dots { right: 24px; bottom: 24px; }
}

/* ---------- 首页：简介（左图右文） ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro-grid .media { position: relative; }
.intro-grid .media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.intro-txt .en {
  font-family: var(--font-en);
  color: var(--red-600);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.intro-txt h2 { font-size: 30px; margin: 10px 0 16px; letter-spacing: 0; }
.intro-txt p { margin: 12px 0; color: var(--gray-500); }
.intro-list { margin: 24px 0 28px; }
.intro-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--ink-800);
  font-size: 14.5px;
  border-bottom: var(--line);
}
.intro-list li:last-child { border-bottom: none; }
.intro-list li::before {
  content: "✓";
  color: var(--red-600);
  font-weight: 700;
}
@media (max-width: 900px) { .intro-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ---------- 首页：品类入口（图文卡片） ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--line);
  background: #fff;
  transition: var(--transition);
}
.cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.cat-card img { width: 100%; height: 240px; object-fit: cover; transition: transform .5s ease; }
.cat-card:hover img { transform: scale(1.04); }
.cat-card .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 44px 18px 14px;
  background: linear-gradient(transparent, rgba(20,23,26,.82));
  color: #fff;
}
.cat-card .cap b { display: block; font-size: 16px; font-weight: 600; letter-spacing: 1px; }
.cat-card .cap span { font-size: 11px; color: rgba(255,255,255,.75); letter-spacing: 1.5px; }
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }

/* ---------- 首页：工艺（图片图标网格） ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.tech-item {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 26px 14px 22px;
  text-align: center;
  transition: var(--transition);
}
.tech-item:hover { border-color: var(--gray-300); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.tech-item .ico {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  border: var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
}
.tech-item .ico img { width: 100%; height: 100%; object-fit: cover; }
.tech-item b { display: block; font-size: 14px; font-weight: 600; color: var(--ink-900); }
.tech-item span { font-size: 12px; color: var(--gray-400); }
@media (max-width: 900px) { .tech-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .tech-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 首页：实力数据（无渐变、大数字） ---------- */
.stats-band { background: var(--bg-alt); padding: 72px 0; border-top: var(--line); border-bottom: var(--line); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-num {
  font-size: 44px;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--red-600);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -1px;
}
.stat-num em { font-style: normal; font-size: 24px; }
.stat-label { font-size: 13.5px; color: var(--gray-500); letter-spacing: .5px; }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 16px; } }

/* ---------- 首页：专利（简洁白卡） ---------- */
.patent-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.patent-item {
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: var(--transition);
}
.patent-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.patent-item img { width: 100%; height: 176px; object-fit: cover; }
.patent-item .cap {
  padding: 10px;
  text-align: center;
  font-size: 12px;
  color: var(--gray-400);
}
@media (max-width: 900px) { .patent-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .patent-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 首页：流程（编号步进，咨询报告式） ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  counter-reset: flow;
}
.flow-step {
  position: relative;
  padding: 8px 18px 8px 0;
  text-align: left;
}
.flow-step::before {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--red-600);
  font-size: 15px;
  display: block;
  margin-bottom: 8px;
}
.flow-step::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 4px;
  left: auto;
  width: calc(100% - 18px);
  height: 1px;
  background: var(--gray-100);
}
.flow-step:last-child::after { display: none; }
.flow-step b { font-size: 14px; font-weight: 600; color: var(--ink-900); display: block; margin-bottom: 2px; }
.flow-step span { font-size: 12px; color: var(--gray-400); }
@media (max-width: 900px) { .flow { grid-template-columns: repeat(4, 1fr); row-gap: 24px; } .flow-step::after { display: none; } }
@media (max-width: 560px) { .flow { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 面包屑（深色条） ---------- */
.breadcrumb {
  background: var(--bg-deep);
  padding: 56px 0 52px;
  color: #9aa3ad;
  text-align: center;
}
.breadcrumb h1 { color: #fff; font-size: 28px; font-weight: 600; letter-spacing: 0; margin-bottom: 8px; }
.breadcrumb .crumb { font-size: 13px; }
.breadcrumb .crumb a:hover { color: #fff; }
.breadcrumb .crumb span { color: var(--red-500); }

/* ---------- 页面标题（次级别） ---------- */
.page-title { margin-bottom: 32px; }
.page-title h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
  position: relative;
  padding-left: 14px;
}
.page-title h2::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: var(--red-600);
}

/* ---------- 产品卡片（白卡细边框） ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.prod-card {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.prod-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.prod-card .thumb { height: 190px; overflow: hidden; background: var(--bg-alt); }
.prod-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.prod-card:hover .thumb img { transform: scale(1.05); }
.prod-card .meta { padding: 14px 16px 16px; }
.prod-card .meta b { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink-900); margin-bottom: 2px; }
.prod-card .meta .model { font-family: var(--font-en); font-size: 12px; color: var(--red-500); letter-spacing: .5px; }
.prod-card .meta .cat {
  display: inline-block;
  margin-top: 8px;
  font-size: 11px;
  color: var(--gray-500);
  background: var(--bg-alt);
  border: var(--line);
  border-radius: 4px;
  padding: 1px 8px;
}
@media (max-width: 1000px) { .prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .prod-grid { grid-template-columns: 1fr; } }

/* 套装产品分组标题 */
.prod-group { margin-top: 40px; }
.prod-group:first-of-type { margin-top: 8px; }
.prod-group-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 18px;
  padding-left: 12px;
  position: relative;
}
.prod-group-title::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: var(--red-600);
}

/* ---------- 产品中心筛选栏（简洁卡片） ---------- */
.filter-bar {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 18px 24px;
  margin-bottom: 28px;
}
.filter-group { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 8px 0; }
.filter-group + .filter-group { border-top: var(--line); margin-top: 8px; padding-top: 16px; }
.filter-group .fg-label {
  flex: none;
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
  min-width: 52px;
}
.chip {
  padding: 6px 18px;
  border-radius: 6px;
  border: var(--line);
  background: #fff;
  font-size: 13px;
  color: var(--ink-800);
  transition: var(--transition);
}
.chip:hover { border-color: var(--red-500); color: var(--red-600); }
.chip.active { background: var(--red-600); border-color: var(--red-600); color: #fff; }
.search-row { display: flex; gap: 0; align-items: stretch; flex: 1; }
.search-row input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--gray-300);
  border-right: none;
  border-radius: 6px 0 0 6px;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
}
.search-row input:focus { border-color: var(--red-500); }
.search-row button {
  background: var(--red-600);
  color: #fff;
  border: none;
  padding: 0 26px;
  border-radius: 0 6px 6px 0;
  font-size: 14px;
  font-weight: 500;
}
.search-row button:hover { background: var(--red-700); }
.prod-count { margin: 0 0 20px; font-size: 13px; color: var(--gray-500); }
.prod-count b { color: var(--red-600); }
.empty-tip { text-align: center; padding: 70px 0; color: var(--gray-500); }

/* 套装产品分组（定制系列 / 现货产品） */
.prod-group { grid-column: 1 / -1; }
.prod-group-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 1px;
  margin: 8px 0 18px;
  position: relative;
  padding-left: 14px;
}
.prod-group-title::before {
  content: "";
  position: absolute;
  left: 0; top: 5px; bottom: 5px;
  width: 3px;
  border-radius: 2px;
  background: var(--red-600);
}
.prod-group + .prod-group { margin-top: 10px; }

/* ---------- 产品详情页 ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.detail-media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-hover); }
.detail-info h1 { font-size: 26px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0; }
.detail-info .model-tag {
  display: inline-block;
  background: var(--red-100);
  color: var(--red-600);
  font-family: var(--font-en);
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.detail-info .desc { color: var(--gray-500); margin-bottom: 26px; font-size: 14.5px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 26px; font-size: 14px; }
.spec-table th, .spec-table td {
  border: var(--line);
  padding: 11px 16px;
  text-align: left;
}
.spec-table th {
  background: var(--bg-alt);
  color: var(--ink-900);
  font-weight: 500;
  width: 30%;
}
.custom-hint {
  background: var(--bg-alt);
  border: var(--line);
  border-left: 3px solid var(--red-600);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 13.5px;
  color: var(--ink-800);
}
.custom-hint b { color: var(--ink-900); }
.related-title { margin: 64px 0 24px; font-size: 22px; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- 定制服务页 ---------- */
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mode-card {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 34px;
  transition: var(--transition);
}
.mode-card:hover { box-shadow: var(--shadow-hover); border-color: var(--gray-300); transform: translateY(-3px); }
.mode-card .ico { font-size: 26px; color: var(--red-600); margin-bottom: 16px; }
.mode-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; letter-spacing: 0; }
.mode-card p { color: var(--gray-500); font-size: 14px; }
@media (max-width: 760px) { .mode-grid { grid-template-columns: 1fr; } }

/* 模块整图展示 */
.module-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  background: var(--bg-alt);
  border: var(--line);
}

/* 编号式特色卡（咨询报告风格） */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.feature-card .num {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--red-600);
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--gray-500); }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; }
.about-grid p { color: var(--gray-500); margin-bottom: 14px; }
.about-grid .philosophy {
  background: var(--bg-deep);
  color: #b8bfc6;
  border-radius: var(--radius);
  padding: 34px;
}
.about-grid .philosophy h3 { color: #fff; font-size: 15px; font-weight: 600; letter-spacing: 1px; margin-bottom: 18px; }
.about-grid .philosophy li { padding: 10px 0; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.about-grid .philosophy li:last-child { border-bottom: none; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--line);
}
.gallery-item img { width: 100%; height: 220px; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 30px 14px 10px;
  background: linear-gradient(transparent, rgba(20,23,26,.85));
  color: #fff;
  font-size: 13px;
  letter-spacing: 1px;
}
@media (max-width: 760px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; }
.contact-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: var(--line);
}
.contact-item .ico {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--red-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red-600);
}
.contact-item .ico svg { width: 20px; height: 20px; }
.contact-item h3 { font-size: 14px; font-weight: 600; margin-bottom: 3px; letter-spacing: .5px; }
.contact-item p { font-size: 14px; color: var(--gray-500); }
.contact-item a:hover { color: var(--red-600); }
.map-box {
  position: relative;
  margin-top: 52px;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 380px;
  background: var(--bg-alt);
  z-index: 1;
}
.map-box #map { width: 100%; height: 100%; }
.map-box .map-link {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 500;
  background: #fff;
  border: var(--line);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--red-600);
  box-shadow: 0 2px 8px rgba(16,24,40,.12);
}
.map-box .map-link:hover { background: var(--red-600); color: #fff; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- 其他 ---------- */
.lead-txt { max-width: 720px; margin: 0 auto 44px; text-align: center; color: var(--gray-500); }

.center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }

/* 首页 CTA 区（浅灰底） */
.cta-band { background: var(--bg-deep); padding: 72px 0; }
.cta-band h2 { color: #fff; font-size: 28px; font-weight: 600; margin-bottom: 12px; }
.cta-band p { color: #9aa3ad; margin-bottom: 28px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }