/* =========================================================
   83-瓷砖世家建材 - 瓷砖拼贴主题
   配色: 白#ffffff + 蓝#2f7bd0 + 浅蓝#e3f0fb
   ========================================================= */

:root {
  --blue: #2f7bd0;
  --blue-dark: #1f5ea6;
  --blue-light: #e3f0fb;
  --blue-deep: #123e70;
  --white: #ffffff;
  --ink: #24425f;
  --ink-light: #5c7690;
  --text: #44586d;
  --grout: #cfdbe8;
  --shadow: 0 8px 24px rgba(31, 94, 166, 0.12);
  --radius: 0;
  --font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  /* 整页瓷砖底纹 */
  background-image:
    linear-gradient(to right, var(--grout) 2px, transparent 2px),
    linear-gradient(to bottom, var(--grout) 2px, transparent 2px);
  background-size: 48px 48px;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--blue);
  box-shadow: 0 2px 12px rgba(31, 94, 166, 0.1);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-tile {
  width: 40px;
  height: 40px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.5) 25%, transparent 25%),
    linear-gradient(225deg, rgba(255,255,255,0.4) 25%, transparent 25%),
    linear-gradient(45deg, var(--blue-light) 25%, transparent 25%),
    linear-gradient(315deg, var(--blue-light) 25%, transparent 25%),
    var(--blue);
  background-size: 12px 12px;
  border: 2px solid var(--blue-dark);
  box-shadow: inset 0 0 0 2px #fff;
}
.logo-text .logo-main { font-size: 20px; font-weight: 700; color: var(--blue-dark); letter-spacing: 2px; }
.logo-text .logo-sub { display: block; font-size: 10px; letter-spacing: 3px; color: var(--ink-light); }
.nav { display: flex; gap: 6px; }
.nav a {
  padding: 8px 16px;
  color: var(--ink);
  font-size: 15px;
  position: relative;
  transition: color 0.3s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a:hover, .nav a.active { color: var(--blue); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 26px; height: 3px; background: var(--blue-dark); border-radius: 2px; transition: 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero 大块瓷砖背景 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-light) 0%, #d5e8f9 40%, #b9d9f3 100%);
}
/* 大块瓷砖 */
.hero-tiles {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255,255,255,0.75) 0 2px, transparent 2px),
    linear-gradient(to bottom, rgba(255,255,255,0.75) 0 2px, transparent 2px);
  background-size: 220px 220px;
}
.hero-tiles::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('images/hero.jpg') center/cover no-repeat;
  opacity: 0.35;
  mix-blend-mode: multiply;
}
/* 小瓷砖点缀 */
.hero-accents {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(47,123,208,0.2) 0 2px, transparent 2px),
    linear-gradient(225deg, rgba(47,123,208,0.15) 0 2px, transparent 2px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  background: rgba(255, 255, 255, 0.82);
  border: 3px solid #fff;
  box-shadow: 0 20px 50px rgba(31, 94, 166, 0.25), inset 0 0 0 2px var(--blue-light);
  padding: 60px 40px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  letter-spacing: 3px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 900;
  color: var(--blue-dark);
  line-height: 1.15;
  letter-spacing: 2px;
}
.hero h1 span { color: var(--blue); }
.hero p {
  margin: 20px auto 30px;
  font-size: 16px;
  color: var(--ink-light);
  line-height: 1.9;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 38px;
  font-size: 15px;
  letter-spacing: 2px;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  cursor: pointer;
  border: none;
}
.btn-blue {
  background: linear-gradient(160deg, #3f8ce0, var(--blue-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(31, 94, 166, 0.3);
}
.btn-blue:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(31, 94, 166, 0.4); }
.btn-outline {
  background: transparent;
  color: var(--blue-dark);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-light); transform: translateY(-3px); }
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--blue-dark);
  z-index: 3;
  text-align: center;
  font-size: 13px;
  letter-spacing: 3px;
}
.hero-scroll .arrow { display: block; font-size: 22px; animation: bounce 1.6s infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ---------- 板块标题 ---------- */
.section-title {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  color: var(--blue-dark);
  letter-spacing: 4px;
  position: relative;
  padding-bottom: 16px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 120px;
  height: 12px;
  /* 砖缝线条 */
  background:
    linear-gradient(to right, transparent 0 8px, var(--blue) 8px 10px, transparent 10px 22px,
      var(--blue) 22px 24px, transparent 24px 36px, var(--blue) 36px 38px, transparent 38px 50px,
      var(--blue) 50px 52px, transparent 52px 64px, var(--blue) 64px 66px, transparent 66px 78px,
      var(--blue) 78px 80px, transparent 80px 92px, var(--blue) 92px 94px, transparent 94px 106px,
      var(--blue) 106px 108px, transparent 108px 120px);
}
.section-subtitle {
  text-align: center;
  color: var(--ink-light);
  margin: 16px 0 50px;
  letter-spacing: 2px;
  font-size: 15px;
}

/* ---------- 品牌瓷砖块 ---------- */
.brand { padding: 90px 0; }
.brand-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 10px;
}
.b-tile {
  position: relative;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--blue-light);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--grout);
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.b-tile:hover { transform: translateY(-6px); box-shadow: 0 0 0 2px var(--blue), 0 12px 26px rgba(31,94,166,0.2); }
.b-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(47,123,208,0.06) 0 2px, transparent 2px),
    linear-gradient(to bottom, rgba(47,123,208,0.06) 0 2px, transparent 2px);
  background-size: 24px 24px;
}
.b-tile-big { grid-column: span 2; grid-row: span 2; background: linear-gradient(150deg, #3f8ce0, var(--blue-dark)); color: #fff; }
.b-tile-tall { grid-row: span 2; }
.b-num {
  font-size: 42px;
  font-weight: 900;
  color: rgba(47, 123, 208, 0.25);
  font-family: Georgia, serif;
  position: absolute;
  top: 16px;
  right: 20px;
}
.b-tile-big .b-num, .b-tile-tall .b-num { color: rgba(255,255,255,0.3); }
.b-tile h3 { font-size: 20px; color: var(--blue-dark); margin-bottom: 8px; position: relative; z-index: 2; }
.b-tile-big h3, .b-tile-tall h3 { color: #fff; }
.b-tile p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; position: relative; z-index: 2; }
.b-tile-big p, .b-tile-tall p { color: rgba(255,255,255,0.85); }

/* ---------- 产品交错马赛克 ---------- */
.products { padding: 90px 0; background: var(--blue-light); position: relative; }
.products::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--grout) 0 30px, var(--white) 30px 33px);
}
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 210px;
  gap: 12px;
}
.m-tile {
  position: relative;
  overflow: hidden;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--grout);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.m-tile:hover { transform: translateY(-6px); box-shadow: 0 0 0 2px var(--blue), 0 14px 28px rgba(31,94,166,0.25); }
.m-tile-wide { grid-column: span 2; }
.m-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s;
}
.m-tile:hover .m-img { transform: scale(1.06); }
.m-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(18, 62, 112, 0.6));
}
.m-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 20px 18px;
  color: #fff;
  z-index: 2;
}
.m-info h3 { font-size: 19px; margin-bottom: 4px; letter-spacing: 1px; }
.m-info p { font-size: 13px; opacity: 0.9; line-height: 1.6; }
.m-eng { font-family: Georgia, serif; font-style: italic; opacity: 0.75 !important; }
.m-spec { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.m-spec span {
  font-size: 11px;
  background: rgba(255,255,255,0.25);
  padding: 2px 8px;
  border-radius: 2px;
  backdrop-filter: blur(2px);
}

/* ---------- 案例 ---------- */
.cases { padding: 90px 0; }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border: 2px solid var(--grout);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
  overflow: hidden;
}
.case-card:hover { transform: translateY(-8px); border-color: var(--blue); }
.case-img { height: 220px; background-size: cover; background-position: center; }
.case-body { padding: 20px 22px; }
.case-body h3 { color: var(--blue-dark); margin-bottom: 8px; font-size: 18px; }
.case-body p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 数据 ---------- */
.stats {
  padding: 70px 0;
  background: linear-gradient(150deg, var(--blue-deep), var(--blue-dark));
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255,255,255,0.08) 0 2px, transparent 2px),
    linear-gradient(to bottom, rgba(255,255,255,0.08) 0 2px, transparent 2px);
  background-size: 80px 80px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
  text-align: center;
}
.stat-number { font-size: 52px; font-weight: 900; color: #fff; font-family: Georgia, serif; text-shadow: 0 3px 10px rgba(0,0,0,0.3); }
.stat-label { color: rgba(227, 240, 251, 0.8); letter-spacing: 3px; margin-top: 8px; font-size: 14px; }

/* ---------- 资讯 ---------- */
.news { padding: 90px 0; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--white);
  border: 2px solid var(--grout);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.news-card:hover { transform: translateY(-8px); border-color: var(--blue); }
.news-img { height: 190px; background-size: cover; background-position: center; }
.news-body { padding: 20px 22px; }
.news-date { color: var(--blue); font-size: 13px; letter-spacing: 1px; }
.news-body h3 { margin: 8px 0 10px; font-size: 17px; color: var(--blue-dark); line-height: 1.5; }
.news-body h3 a:hover { color: var(--blue); }
.news-body p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(160deg, #163d66, var(--blue-deep));
  color: rgba(255, 255, 255, 0.75);
  padding-top: 60px;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: repeating-linear-gradient(90deg, #5b9ce0 0 30px, transparent 30px 34px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer .logo-main { color: #fff; }
.footer .logo-sub { color: var(--blue-light); }
.footer-about p { margin-top: 16px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.6); }
.footer h4 {
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 2px;
  font-size: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 4px;
  background: var(--blue-light);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; transition: color 0.3s, padding-left 0.3s; }
.footer-links a:hover { color: var(--blue-light); padding-left: 6px; }
.footer-contact li { font-size: 14px; margin-bottom: 12px; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 内页横幅 ---------- */
.page-banner {
  position: relative;
  padding: 160px 20px 90px;
  text-align: center;
  background: linear-gradient(160deg, var(--blue-light), #c4dff5);
  overflow: hidden;
}
.banner-tiles {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255,255,255,0.7) 0 2px, transparent 2px),
    linear-gradient(to bottom, rgba(255,255,255,0.7) 0 2px, transparent 2px),
    url('images/hero.jpg') center 25%/cover no-repeat;
  background-size: 180px 180px, 180px 180px, cover;
  opacity: 0.4;
}
.banner-content { position: relative; z-index: 2; }
.banner-content h1 { font-size: 46px; letter-spacing: 6px; color: var(--blue-dark); }
.banner-content p { margin-top: 12px; letter-spacing: 5px; color: var(--blue-dark); font-size: 15px; }

/* ---------- 关于页 ---------- */
.story { padding: 90px 0; }
.story-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.story-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px;
  background: var(--grout);
}
.s-tile { height: 130px; }
.s-tile-1 { background: linear-gradient(140deg, #6fa8e8, var(--blue-dark)); grid-column: span 2; }
.s-tile-2 { background: linear-gradient(140deg, #a9cdf2, #7fb2e8); }
.s-tile-3 { background: linear-gradient(140deg, var(--blue-light), #c4dff5); grid-row: span 2; }
.s-tile-4 { background: linear-gradient(140deg, #3f8ce0, var(--blue)); }
.s-tile-5 { background: linear-gradient(140deg, var(--blue), var(--blue-dark)); }
.story-text h2 { font-size: 30px; color: var(--blue-dark); margin-bottom: 20px; letter-spacing: 2px; position: relative; padding-bottom: 14px; }
.story-text h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 90px;
  height: 12px;
  background: linear-gradient(to right, var(--blue) 0 10px, transparent 10px 20px, var(--blue) 20px 30px, transparent 30px 40px, var(--blue) 40px 50px, transparent 50px 60px, var(--blue) 60px 70px, transparent 70px 90px);
}
.story-text p { margin-bottom: 14px; color: var(--ink-light); line-height: 2; }
.story-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; text-align: center; }
.sp-item {
  padding: 16px 8px;
  background: var(--blue-light);
  border: 1px solid #fff;
  box-shadow: 0 0 0 2px var(--grout);
}
.sp-item strong { display: block; font-size: 26px; color: var(--blue-dark); font-family: Georgia, serif; }
.sp-item span { font-size: 12px; color: var(--ink-light); }

/* 历程 */
.history { padding: 90px 0; background: var(--blue-light); }
.history-grid { max-width: 820px; margin: 0 auto; }
.h-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 2px dashed var(--grout);
  transition: background 0.3s, padding 0.3s;
}
.h-row:hover { background: rgba(255,255,255,0.7); padding-left: 14px; }
.h-year {
  font-size: 28px;
  font-weight: 900;
  color: var(--blue);
  font-family: Georgia, serif;
  position: relative;
}
.h-year::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: var(--blue);
  border: 3px solid #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 2px var(--blue);
}
.h-desc h3 { color: var(--blue-dark); font-size: 18px; }
.h-desc p { color: var(--ink-light); font-size: 14px; margin-top: 4px; }

/* 价值观 */
.value { padding: 90px 0; }
.value-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.v-tile {
  padding: 40px 26px;
  background: var(--blue-light);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--grout);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.v-tile:hover { transform: translateY(-8px); box-shadow: 0 0 0 2px var(--blue), 0 14px 26px rgba(31,94,166,0.2); }
.v-tile h3 { color: var(--blue-dark); font-size: 22px; letter-spacing: 4px; margin-bottom: 12px; }
.v-tile p { color: var(--ink-light); font-size: 14px; line-height: 1.85; }

/* ---------- 产品页 ---------- */
.filter-bar { padding: 150px 20px 20px; }
.filter-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; }
.filter-btn {
  padding: 9px 24px;
  border: 2px solid var(--blue);
  background: transparent;
  color: var(--blue-dark);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}
.filter-btn:hover { background: var(--blue-light); }
.filter-btn.active { background: var(--blue); color: #fff; }
.product-page { margin-top: 30px; }
.product-page .m-tile { grid-auto-rows: auto; }
.product-page .m-img { position: relative; height: 200px; }

/* 选购提示 */
.tip { padding: 60px 0 90px; }
.tip-tile {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 34px 30px;
  background: var(--blue-light);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--grout);
}
.tip-icon { font-size: 36px; color: var(--blue); }
.tip-tile h3 { color: var(--blue-dark); margin-bottom: 8px; }
.tip-tile p { color: var(--ink-light); font-size: 14px; line-height: 1.9; }

/* ---------- 新闻页 ---------- */
.news-cats { padding: 150px 20px 20px; }
.news-cats .container { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.news-cat {
  padding: 9px 26px;
  border: 2px solid var(--blue);
  background: transparent;
  color: var(--blue-dark);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}
.news-cat:hover { background: var(--blue-light); }
.news-cat.active { background: var(--blue); color: #fff; }
.news-list { padding: 40px 0 60px; }
.news-item {
  display: flex;
  gap: 24px;
  background: var(--white);
  border: 2px solid var(--grout);
  box-shadow: var(--shadow);
  margin-bottom: 22px;
  padding: 16px;
  transition: transform 0.3s, border-color 0.3s;
}
.news-item:hover { transform: translateX(8px); border-color: var(--blue); }
.news-thumb { width: 250px; min-height: 160px; background-size: cover; background-position: center; flex-shrink: 0; }
.news-body { flex: 1; }
.news-body .news-date { color: var(--blue); font-size: 13px; }
.news-body h3 { margin: 8px 0 10px; font-size: 19px; color: var(--blue-dark); }
.news-body h3 a:hover { color: var(--blue); }
.news-body p { color: var(--ink-light); font-size: 14px; line-height: 1.8; }
.news-more { display: inline-block; margin-top: 10px; color: var(--blue); font-size: 13px; border-bottom: 2px solid var(--blue); }
.pagination { display: flex; justify-content: center; gap: 10px; padding: 20px 0 0; }
.page {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--blue);
  color: var(--blue-dark);
  transition: all 0.3s;
}
.page:hover, .page.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ---------- 联系页 ---------- */
.contact-info { padding: 150px 20px 60px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--white);
  border: 2px solid var(--grout);
  box-shadow: var(--shadow);
  border-top: 6px solid var(--blue);
  transition: transform 0.3s;
}
.info-card:hover { transform: translateY(-6px); }
.info-icon { font-size: 34px; color: var(--blue); margin-bottom: 14px; }
.info-card h3 { color: var(--blue-dark); margin-bottom: 10px; letter-spacing: 2px; }
.info-card p { font-size: 14px; color: var(--ink-light); line-height: 1.9; }

.contact-form { padding: 30px 0 90px; }
.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
  align-items: start;
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 50px;
  border: 2px solid var(--grout);
  position: relative;
}
.form-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 40px, var(--blue-light) 40px 44px);
}
.form-side h2 { font-size: 28px; color: var(--blue-dark); margin-bottom: 16px; }
.form-side p { color: var(--ink-light); line-height: 1.9; }
.form-tips { margin-top: 20px; }
.form-tips li { padding: 8px 0 8px 26px; position: relative; color: var(--blue-dark); font-size: 14.5px; }
.form-tips li::before { content: "▣"; position: absolute; left: 0; color: var(--blue); font-size: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--blue-dark); font-size: 14px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--grout);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: #fbfdff;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 123, 208, 0.15);
}
.form-group textarea { resize: vertical; }
.form-main .btn { width: 100%; }

.map-block { padding: 0 0 90px; }
.map-placeholder {
  height: 360px;
  background:
    linear-gradient(to right, rgba(47,123,208,0.1) 0 2px, transparent 2px),
    linear-gradient(to bottom, rgba(47,123,208,0.1) 0 2px, transparent 2px),
    linear-gradient(160deg, var(--blue-light), #c4dff5);
  background-size: 44px 44px, 44px 44px, cover;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--blue-dark);
  box-shadow: var(--shadow);
  border: 2px solid var(--grout);
}
.map-pin { font-size: 44px; animation: bounce 1.6s infinite; color: var(--blue); }

/* ---------- 滚动动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .brand-tiles { grid-template-columns: repeat(2, 1fr); }
  .mosaic-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    box-shadow: 0 10px 30px rgba(31,94,166,0.15);
    transform: translateY(-130%);
    transition: transform 0.4s;
    z-index: 998;
  }
  .nav.active { transform: translateY(0); }
  .nav a { padding: 12px 16px; font-size: 16px; }
  .nav a::after { display: none; }
  .hero { padding-top: 140px; }
  .hero h1 { font-size: 32px; }
  .hero-content { padding: 40px 24px; }
  .section-title { font-size: 27px; }
  .brand-tiles, .cases-grid, .news-grid, .value-tiles, .info-grid { grid-template-columns: 1fr; }
  .mosaic-grid, .product-page { grid-template-columns: 1fr; }
  .m-tile-wide { grid-column: span 1; }
  .b-tile-big { grid-column: span 1; grid-row: span 1; }
  .b-tile-tall { grid-row: span 1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .story-grid, .form-wrap { grid-template-columns: 1fr; padding: 30px 24px; }
  .story-tiles { grid-template-columns: repeat(2, 1fr); }
  .s-tile { height: 100px; }
  .h-row { grid-template-columns: 1fr; gap: 6px; }
  .news-item { flex-direction: column; }
  .news-thumb { width: 100%; height: 200px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-banner { padding-top: 140px; }
  .filter-bar { padding-top: 130px; }
  .news-cats { padding-top: 130px; }
  .contact-info { padding-top: 130px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .story-points { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 220px; text-align: center; }
}

/* =========================================================
   CMS 适配（追加）
   ========================================================= */

/* 页头横幅 crumbs */
.page-banner .crumbs { margin-top: 14px; font-size: 14px; color: var(--blue-dark); letter-spacing: 2px; }
.page-banner .crumbs a { color: var(--blue); border-bottom: 1px solid var(--blue); }
.banner-content h1 strong { color: var(--blue); }

/* 滚动导航微阴影 */
.header.scrolled { box-shadow: 0 4px 18px rgba(31, 94, 166, 0.16); }

/* 滚动动画（兼容 .reveal / .fade-in） */
.reveal.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transform: translateY(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* 分类页签（filter-btn 别名） */
.cat-tabs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; }
.cat-tab { padding: 9px 24px; border: 2px solid var(--blue); background: transparent; color: var(--blue-dark); cursor: pointer; font-size: 14px; transition: all 0.3s; font-family: inherit; }
.cat-tab:hover { background: var(--blue-light); }
.cat-tab.active { background: var(--blue); color: #fff; }

/* 产品列表价格 */
.m-price { display: inline-block; margin-top: 6px; background: rgba(255,255,255,0.28); padding: 2px 10px; font-size: 13px; font-weight: 700; color: #fff; border-radius: 2px; }

/* 新闻列表缩略图为链接 */
.news-item > a.news-thumb { display: block; }

/* 核心团队 */
.team { padding: 90px 0; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card { background: var(--white); border: 2px solid var(--grout); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.3s, border-color 0.3s; }
.team-card:hover { transform: translateY(-8px); border-color: var(--blue); }
.team-card img { width: 100%; height: 230px; object-fit: cover; }
.team-placeholder { width: 100%; height: 230px; display: flex; align-items: center; justify-content: center; background: linear-gradient(140deg, #3f8ce0, var(--blue-dark)); color: #fff; font-size: 3.2rem; font-weight: 900; }
.team-card .t-body { padding: 20px 22px; }
.team-card h4 { color: var(--blue-dark); font-size: 17px; margin-bottom: 8px; }
.team-card p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; }
.team-tag { display: inline-block; margin-top: 10px; padding: 3px 12px; background: var(--blue-light); color: var(--blue-dark); font-size: 12px; letter-spacing: 1px; }

/* 荣誉资质 */
.honors { padding: 90px 0; background: var(--blue-light); position: relative; }
.honors::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 10px; background: repeating-linear-gradient(90deg, var(--grout) 0 30px, var(--white) 30px 33px); }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.honor-card { background: var(--white); border: 2px solid var(--grout); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.3s, border-color 0.3s; }
.honor-card:hover { transform: translateY(-6px); border-color: var(--blue); }
.honor-img { height: 150px; background-size: cover; background-position: center; }
.honor-card .h-body { padding: 16px 18px 18px; position: relative; }
.honor-card h3 { font-size: 15px; color: var(--blue-dark); line-height: 1.5; margin-bottom: 8px; }
.honor-card p { font-size: 12.5px; color: var(--ink-light); line-height: 1.7; }
.honor-card .h-year { display: inline-block; margin-top: 10px; padding: 2px 10px; background: var(--blue); color: #fff; font-size: 12px; letter-spacing: 2px; }

/* 通用 CMS 详情 */
.cms-section { padding: 80px 24px; }
.cms-detail { max-width: 900px; margin: 0 auto; }
.cms-detail > img { margin: 0 auto 12px; max-width: 100%; }
.cms-detail h1 { font-size: 2rem; margin: 18px 0; color: var(--blue-dark); }
.cms-detail .lead { color: var(--ink-light); margin-bottom: 20px; font-size: 1.05rem; }
.cms-detail .news-date-label { display: inline-block; background: var(--blue-dark); color: #e3f0fb; font-size: 0.82rem; font-weight: 800; padding: 4px 14px; letter-spacing: 1px; }
.cms-content h2 { font-size: 1.5rem; margin: 24px 0 12px; color: var(--blue-dark); }
.cms-content h3 { font-size: 1.25rem; margin: 20px 0 10px; color: var(--blue-dark); }
.cms-content p, .cms-content ul, .cms-content li { color: var(--ink-light); margin-bottom: 15px; line-height: 1.9; }
.cms-content ul { padding-left: 18px; list-style: disc; }
.cms-content img { max-width: 100%; }
.cms-back { display: inline-block; color: var(--blue); font-size: 0.9rem; font-weight: 700; margin-bottom: 20px; }
.cms-back:hover { text-decoration: underline; }
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li { color: var(--ink-light); padding: 10px 0; border-bottom: 2px dashed var(--grout); font-size: 0.9rem; }
.spec-list li b { color: var(--blue-dark); }

/* 分页 */
.cms-pager { padding: 30px 0; text-align: center; }
.cms-pager .pagination { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.cms-pager .page-link { padding: 10px 16px; border: 2px solid var(--blue); background: #fff; color: var(--blue-dark); font-size: 14px; transition: 0.3s; display: inline-block; }
.cms-pager .page-link:hover { border-color: var(--blue); color: var(--blue); }
.cms-pager .page-item.active .page-link { background: var(--blue); border-color: var(--blue); color: #fff; }
.cms-pager .page-item.disabled .page-link { opacity: 0.5; pointer-events: none; }

/* 搜索卡片 */
.cms-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cms-card { display: block; background: #fff; border: 2px solid var(--grout); padding: 20px; transition: 0.3s; }
.cms-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-3px); }
.cms-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--blue-dark); }
.cms-card p { color: var(--ink-light); font-size: 0.9rem; }

/* 表单辅助 */
.form-alert-err { background: #fdecea; border: 1px solid #f3c6c0; color: #b23b35; padding: 14px 18px; margin-bottom: 18px; }
.form-alert-err li { color: #b23b35; }
.form-success { display: none; background: #e8f7ee; border: 1px solid #a5e0bd; color: #1e7a44; padding: 14px 18px; margin-bottom: 18px; font-size: 0.9rem; }
.form-success.show { display: block; }
.form-group label em { color: var(--blue); font-style: normal; }
.form-group input.invalid, .form-group textarea.invalid, .form-group select.invalid { border-color: #e53935; }
.error-text { display: none; color: var(--blue); font-size: 0.8rem; margin-top: 6px; }

/* 响应式追加 */
@media (max-width: 1024px) {
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .team-grid, .honor-grid, .cms-grid { grid-template-columns: 1fr; }
  .cms-section { padding: 50px 20px; }
}

/* ===== CMS global link-color reset (fixes default blue/underline) ===== */
a:has(h1), a:has(h2), a:has(h3), a:has(h4), a:has(img),
a.logo, a.logo *, .logo, .logo *,
a.news-thumb, a.news-thumb *, a.prod-thumb, a.prod-thumb *,
a.img-wrap, a.img-wrap *, a.thumb, a.thumb *, a.cover, a.cover *,
a[style*='background-image'], a[style*='background'],
a.card, a.card *, a.work-card, a.work-card *, a.product-card, a.product-card *,
a.news-card, a.news-card *, a.news-item, a.news-item *, a.case-card, a.case-card *,
a.service-card, a.service-card *, a.svc-card, a.svc-card *, a.item-card, a.item-card * {
  color: inherit !important;
  text-decoration: none !important;
}
a:has(h1):hover, a:has(h2):hover, a:has(h3):hover, a:has(h4):hover,
a.logo:hover, .logo:hover, a.card:hover, a.card *:hover,
a.news-thumb:hover, a.prod-thumb:hover, a.work-card:hover, a.product-card:hover,
a.news-card:hover, a.news-item:hover, a.case-card:hover, a.service-card:hover { color: inherit !important; }
a.prod-img-link, a.prod-img-link *,
a.img-link, a.img-link *, a.thumb-link, a.thumb-link *,
a.cover-link, a.cover-link *, a.media-link, a.media-link *,
a[class*='-thumb'], a[class*='-img'], a[class*='-cover'],
a[class*='thumb-'], a[class*='img-'],
a.img-side, a.img-side *, a.pic, a.pic *, a.pic-link, a.pic-link * {
  color: inherit !important;
  text-decoration: none !important;
}
/* ===== CMS heading-link reset (anchor inside heading) ===== */
h1 a, h2 a, h3 a, h4 a, h5 a {
  color: inherit !important;
  text-decoration: none !important;
}
h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover { color: inherit !important; }