/* =========================================================
   81-天然石材装饰 - 岩石纹理主题
   配色: 岩灰#8f8f8f + 大地棕#6d5841 + 白#f7f5f2
   ========================================================= */

:root {
  --stone: #8f8f8f;
  --stone-dark: #6e6e6e;
  --earth: #6d5841;
  --earth-dark: #54422f;
  --cream: #f7f5f2;
  --cream-dark: #e9e4dc;
  --ink: #3a3732;
  --ink-light: #6b665e;
  --text: #4f4a43;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(60, 50, 40, 0.15);
  --radius: 6px;
  --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(--cream);
  /* 岩石颗粒纹理背景 */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(120,110,100,0.06) 0 1px, transparent 1px),
    radial-gradient(circle at 60% 70%, rgba(120,110,100,0.05) 0 1.5px, transparent 1.5px),
    radial-gradient(circle at 80% 20%, rgba(120,110,100,0.07) 0 1px, transparent 1px),
    radial-gradient(circle at 40% 50%, rgba(120,110,100,0.05) 0 1.2px, transparent 1.2px),
    radial-gradient(circle at 90% 85%, rgba(120,110,100,0.06) 0 1.4px, transparent 1.4px);
  background-size: 180px 180px, 220px 220px, 160px 160px, 260px 260px, 200px 200px;
  line-height: 1.7;
  overflow-x: hidden;
}

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(247, 245, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(109, 88, 65, 0.15);
  transition: background 0.3s, box-shadow 0.3s;
}
.header.scrolled {
  background: rgba(247, 245, 242, 0.98);
  box-shadow: 0 4px 20px rgba(60, 50, 40, 0.12);
}
.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-stone {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #a9a297, #6d5841 60%, #8f8f8f);
  clip-path: polygon(50% 0%, 90% 20%, 100% 60%, 75% 100%, 25% 95%, 0 55%, 10% 15%);
  box-shadow: inset 2px 2px 4px rgba(255,255,255,0.3), inset -2px -2px 4px rgba(0,0,0,0.25);
}
.logo-text .logo-main {
  font-size: 20px;
  font-weight: 700;
  color: var(--earth-dark);
  letter-spacing: 2px;
}
.logo-text .logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--stone-dark);
}
.nav { display: flex; gap: 6px; }
.nav a {
  padding: 8px 16px;
  color: var(--ink);
  font-size: 15px;
  border-radius: 4px;
  transition: color 0.3s, background 0.3s;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--earth);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a:hover, .nav a.active { color: var(--earth); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--earth-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); }

/* ---------- 雕刻文字 ---------- */
.engraved {
  color: var(--earth-dark);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7), 0 -1px 0 rgba(0, 0, 0, 0.3);
  letter-spacing: 2px;
}

/* ---------- Hero 巨石造型 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  overflow: hidden;
  background: linear-gradient(160deg, #efeae3 0%, #ddd6cc 40%, #cfc6b8 100%);
}
.hero-img {
  position: absolute;
  inset: 0;
  background: url('images/hero.jpg') center/cover no-repeat;
  /* 巨石粗糙边缘框 */
  clip-path: polygon(0 0, 100% 0, 100% 60%, 94% 70%, 100% 84%, 88% 100%, 0 100%, 0 40%);
  opacity: 0.55;
  pointer-events: none;
}
.hero-shadow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 70% 20%, rgba(109,88,65,0.25), transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(84,66,47,0.35), transparent 55%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}
.hero-badge {
  display: inline-block;
  padding: 8px 22px;
  border: 1px solid rgba(109, 88, 65, 0.5);
  background: rgba(247, 245, 242, 0.6);
  color: var(--earth-dark);
  letter-spacing: 4px;
  font-size: 14px;
  clip-path: polygon(4% 0, 96% 0, 100% 30%, 96% 100%, 4% 100%, 0 70%);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 62px;
  font-weight: 900;
  line-height: 1.15;
  color: var(--earth-dark);
  text-shadow: 0 2px 0 rgba(255,255,255,0.6), 0 5px 18px rgba(84,66,47,0.4), 0 -1px 0 rgba(0,0,0,0.2);
}
.hero h1 span { color: var(--stone-dark); font-weight: 700; }
.hero p {
  margin: 22px auto 30px;
  font-size: 17px;
  color: #5c564e;
  line-height: 1.9;
}
.hero-btns { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 15px;
  letter-spacing: 2px;
  border-radius: 3px;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  cursor: pointer;
  border: none;
}
.btn-earth {
  background: linear-gradient(160deg, #7a634a, var(--earth-dark));
  color: #fff;
  clip-path: polygon(4% 0, 96% 0, 100% 25%, 96% 100%, 4% 100%, 0 75%);
}
.btn-earth:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(84,66,47,0.4); }
.btn-stone {
  background: transparent;
  color: var(--earth-dark);
  border: 2px solid var(--earth);
}
.btn-stone:hover { background: rgba(109, 88, 65, 0.12); transform: translateY(-3px); }
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--earth-dark);
  z-index: 3;
  font-size: 13px;
  letter-spacing: 3px;
  pointer-events: none;
}
.hero-scroll .arrow { display: block; font-size: 24px; 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;
  letter-spacing: 4px;
  position: relative;
}
.section-title::before,
.section-title::after {
  content: "◆";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--stone);
}
.section-title::before { left: 50%; margin-left: -110px; }
.section-title::after { left: 50%; margin-left: 100px; }
.section-subtitle {
  text-align: center;
  color: var(--ink-light);
  margin: 10px 0 50px;
  letter-spacing: 2px;
  font-size: 15px;
}

/* ---------- 石之力量 ---------- */
.power {
  padding: 90px 0;
  position: relative;
}
.power::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 22px;
  background: linear-gradient(115deg,
    transparent 40%, rgba(109,88,65,0.25) 40.5%, rgba(109,88,65,0.25) 41%,
    transparent 41.5%, transparent 46%, rgba(109,88,65,0.2) 46.5%, rgba(109,88,65,0.2) 47%,
    transparent 47.5%, transparent 52%, rgba(109,88,65,0.25) 52.5%, rgba(109,88,65,0.25) 53%,
    transparent 53.5%, transparent 58%, rgba(109,88,65,0.2) 58.5%, rgba(109,88,65,0.2) 59%,
    transparent 59.5%);
  background-size: 60px 22px;
  opacity: 0.5;
}
.power-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.slab {
  position: relative;
  padding: 40px 26px 34px;
  background: var(--cream-dark);
  border: 1px solid rgba(109, 88, 65, 0.18);
  box-shadow: var(--shadow);
  transition: transform 0.4s;
}
.slab::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(109, 88, 65, 0.15);
  pointer-events: none;
}
.slab:hover { transform: translateY(-8px); }
.slab-num {
  font-size: 46px;
  font-weight: 900;
  color: rgba(109, 88, 65, 0.25);
  font-family: Georgia, serif;
  text-shadow: 0 1px 0 rgba(255,255,255,0.6);
}
.slab h3 { font-size: 20px; color: var(--earth-dark); margin: 10px 0 10px; letter-spacing: 2px; }
.slab p { font-size: 14px; color: var(--ink-light); line-height: 1.8; }
.slab-1 { clip-path: polygon(6% 0, 94% 0, 100% 10%, 100% 90%, 96% 100%, 2% 100%, 0 88%, 0 8%); }
.slab-2 { clip-path: polygon(4% 0, 98% 0, 98% 12%, 100% 50%, 96% 92%, 100% 100%, 0 96%, 0 10%, 6% 0); }
.slab-3 { clip-path: polygon(0 0, 96% 2%, 100% 20%, 94% 100%, 0 96%); }
.slab-4 { clip-path: polygon(8% 0, 100% 0, 94% 20%, 100% 60%, 92% 100%, 0 92%); }

/* ---------- 产品 ---------- */
.products {
  padding: 90px 0;
  background: linear-gradient(180deg, #efeae3, #e6dfd5);
  border-top: 2px solid rgba(109,88,65,0.12);
  border-bottom: 2px solid rgba(109,88,65,0.12);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.rock-card {
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.35s, box-shadow 0.35s;
  position: relative;
}
.rock-card:hover { transform: translateY(-8px) rotate(-0.5deg); box-shadow: 0 18px 40px rgba(60,50,40,0.22); }
/* 不规则石片边框 clip-path */
.rock-a { clip-path: polygon(8% 0, 100% 0, 100% 70%, 92% 100%, 0 100%, 0 30%); }
.rock-b { clip-path: polygon(0 0, 94% 0, 100% 18%, 100% 100%, 6% 100%, 0 82%); }
.rock-c { clip-path: polygon(10% 0, 100% 4%, 100% 86%, 90% 100%, 0 96%, 0 14%); }
.rock-d { clip-path: polygon(0 6%, 96% 0, 100% 30%, 92% 100%, 4% 100%, 0 70%); }
.rock-img {
  height: 210px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.rock-img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(58,55,50,0.35));
}
.rock-info { padding: 20px 20px 24px; }
.rock-info h3 { font-size: 18px; color: var(--earth-dark); margin-bottom: 8px; letter-spacing: 1px; }
.rock-info h3 a { color: inherit; text-decoration: none; }
.rock-info h3 a:hover { color: var(--earth); }
.rock-info p { font-size: 13.5px; color: var(--ink-light); line-height: 1.75; }
.rock-more {
  display: inline-block;
  margin-top: 14px;
  color: var(--earth);
  font-size: 13px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--earth);
  padding-bottom: 2px;
  transition: letter-spacing 0.3s;
}
.rock-card:hover .rock-more { letter-spacing: 3px; }
.rock-eng { color: var(--stone) !important; font-family: Georgia, serif; font-style: italic; }
.rock-meta { display: flex; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.rock-meta span {
  font-size: 12px;
  color: var(--white);
  background: var(--stone-dark);
  padding: 3px 10px;
  clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%);
}
.rock-price {
  display: inline-block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--earth-dark);
  letter-spacing: 1px;
}

/* ---------- 工程案例 ---------- */
.cases { padding: 90px 0; }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-block { background: var(--white); box-shadow: var(--shadow); padding-bottom: 24px; transition: transform 0.35s; }
.case-block:hover { transform: translateY(-6px); }
.case-img {
  height: 230px;
  background-size: cover;
  background-position: center;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
}
.case-block h3 { padding: 18px 22px 6px; font-size: 18px; color: var(--earth-dark); }
.case-block p { padding: 0 22px; font-size: 14px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 数据 ---------- */
.stats {
  padding: 70px 0;
  background: linear-gradient(160deg, var(--earth-dark), #46372a);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 30%, rgba(255,255,255,0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 75% 60%, rgba(255,255,255,0.06) 0 1.5px, transparent 1.5px);
  background-size: 90px 90px, 130px 130px;
}
.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: #f2ede4;
  font-family: Georgia, serif;
  text-shadow: 0 3px 10px rgba(0,0,0,0.4);
}
.stat-label { color: rgba(255,255,255,0.75); letter-spacing: 3px; margin-top: 8px; font-size: 14px; }

/* ---------- CTA ---------- */
.cta {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before, .cta::after {
  content: "";
  position: absolute;
  width: 60px; height: 60px;
  border: 3px solid rgba(109,88,65,0.25);
  transform: rotate(45deg);
  pointer-events: none;
}
.cta::before { left: 8%; top: 30%; }
.cta::after { right: 8%; bottom: 20%; }
.cta h2 { font-size: 34px; letter-spacing: 3px; }
.cta p { margin: 16px 0 30px; color: var(--ink-light); }

/* ---------- 页头横幅 (内页) ---------- */
.page-banner {
  position: relative;
  padding: 160px 20px 90px;
  text-align: center;
  background: linear-gradient(160deg, #e9e2d8, #d6cdbf);
  overflow: hidden;
}
.banner-rock {
  position: absolute;
  inset: 0;
  background: url('images/hero.jpg') center 30%/cover no-repeat;
  opacity: 0.35;
  clip-path: polygon(0 0, 100% 0, 100% 55%, 92% 70%, 100% 85%, 85% 100%, 0 100%, 0 30%);
  pointer-events: none;
}
.banner-content { position: relative; z-index: 2; }
.banner-content h1 { font-size: 46px; letter-spacing: 6px; }
.banner-content p { margin-top: 12px; letter-spacing: 5px; color: var(--earth-dark); font-size: 15px; }
.banner-content .crumbs {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--stone-dark);
}
.banner-content .crumbs a { color: var(--earth); }
.banner-content .crumbs a:hover { text-decoration: underline; }

/* ---------- 关于页 ---------- */
.intro { padding: 90px 0; }
.intro-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.intro-img {
  height: 420px;
  background-size: cover;
  background-position: center;
  clip-path: polygon(8% 0, 100% 0, 100% 78%, 88% 100%, 0 100%, 0 20%);
  box-shadow: var(--shadow);
}
.intro-text h2 { font-size: 30px; margin-bottom: 20px; letter-spacing: 2px; }
.intro-text p { margin-bottom: 14px; color: var(--ink-light); line-height: 2; }
.intro-list li {
  padding: 8px 0 8px 30px;
  position: relative;
  color: var(--earth-dark);
  font-size: 15px;
}
.intro-list li::before {
  content: "◇";
  position: absolute;
  left: 0;
  color: var(--earth);
  font-size: 18px;
}

/* 时间线 */
.timeline { padding: 90px 0; background: linear-gradient(180deg, #efeae3, #e6dfd5); }
.timeline-list { position: relative; max-width: 800px; margin: 0 auto; }
.timeline-list::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--earth), rgba(109,88,65,0.2));
  transform: translateX(-50%);
}
.t-item {
  position: relative;
  width: 50%;
  padding: 0 40px 40px 0;
}
.t-item:nth-child(even) { margin-left: 50%; padding: 0 0 40px 40px; }
.t-item::before {
  content: "◆";
  position: absolute;
  right: -9px;
  top: 0;
  color: var(--earth);
  background: var(--cream);
  font-size: 16px;
}
.t-item:nth-child(even)::before { right: auto; left: -9px; }
.t-year {
  font-family: Georgia, serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--earth-dark);
  text-shadow: 0 1px 0 rgba(255,255,255,0.6);
}
.t-block { background: var(--white); padding: 18px 22px; box-shadow: var(--shadow); margin-top: 8px; }
.t-block h3 { color: var(--earth); margin-bottom: 4px; }
.t-block p { font-size: 13.5px; color: var(--ink-light); }

/* 团队 */
.team { padding: 90px 0; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; text-align: center; }
.member { transition: transform 0.3s; }
.member:hover { transform: translateY(-6px); }
.member-img {
  height: 260px;
  background-size: cover;
  background-position: center top;
  clip-path: polygon(50% 0, 100% 18%, 92% 85%, 50% 100%, 8% 85%, 0 18%);
}
.member-img.member-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  font-weight: 900;
  color: #f2ede4;
  background: linear-gradient(160deg, #7a634a, var(--earth-dark));
}
.member h3 { margin-top: 16px; color: var(--earth-dark); }
.member p { color: var(--stone-dark); font-size: 13px; margin-top: 4px; }

/* 荣誉资质 */
.honors { padding: 90px 0; }
.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.honor-card {
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.35s;
  border-bottom: 4px solid var(--earth);
}
.honor-card:hover { transform: translateY(-6px); }
.honor-card .honor-img {
  height: 210px;
  background-size: cover;
  background-position: center;
  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
}
.honor-card img { width: 100%; height: 210px; object-fit: cover; clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%); }
.honor-body { padding: 18px 22px 24px; }
.honor-date {
  display: inline-block;
  font-size: 12px;
  color: var(--earth);
  letter-spacing: 1px;
  border: 1px solid var(--earth);
  padding: 2px 10px;
  margin-bottom: 10px;
}
.honor-body h3, .honor-body h4 { font-size: 17px; color: var(--earth-dark); margin-bottom: 8px; letter-spacing: 1px; }
.honor-body p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; }

/* 价值观 */
.values { padding: 90px 0; background: linear-gradient(160deg, var(--earth-dark), #46372a); }
.values .section-title, .values .engraved { color: #f2ede4; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value-card {
  text-align: center;
  padding: 40px 26px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  transition: background 0.3s;
}
.value-card:hover { background: rgba(255,255,255,0.16); }
.value-card h3 { color: #f2ede4; letter-spacing: 3px; margin-bottom: 12px; }
.value-card p { color: rgba(255,255,255,0.75); font-size: 14px; line-height: 1.9; }

/* ---------- 产品页 ---------- */
.filter-bar { padding: 150px 20px 10px; }
.filter-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; }
.filter-label { color: var(--ink-light); letter-spacing: 2px; }
.filter-btn {
  padding: 8px 22px;
  border: 1px solid var(--stone);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  font-family: inherit;
  clip-path: polygon(6% 0, 94% 0, 100% 30%, 94% 100%, 6% 100%, 0 70%);
}
.filter-btn:hover { border-color: var(--earth); color: var(--earth); }
.filter-btn.active { background: var(--earth); border-color: var(--earth); color: #fff; }
.products-page { margin-top: 40px; grid-template-columns: repeat(4, 1fr); }
.products-page .rock-img { height: 180px; }
.products-page .rock-info h3 a { color: var(--earth-dark); }
.products-page .rock-info h3 a:hover { color: var(--earth); }

/* 流程 */
.process { padding: 80px 0 90px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step {
  text-align: center;
  padding: 34px 20px;
  background: var(--white);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.3s;
}
.step:hover { transform: translateY(-6px); }
.step-num {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #7a634a, var(--earth-dark));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  clip-path: polygon(25% 0, 75% 0, 100% 25%, 100% 75%, 75% 100%, 25% 100%, 0 75%, 0 25%);
}
.step h3 { color: var(--earth-dark); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 新闻页 ---------- */
.news-cats { padding: 150px 20px 10px; }
.news-cats .container { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.news-cat {
  padding: 9px 26px;
  border: 1px solid var(--stone);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s;
}
.news-cat:hover { border-color: var(--earth); color: var(--earth); }
.news-cat.active { background: var(--earth); border-color: var(--earth); color: #fff; }
.news-list { padding: 40px 0 60px; }
.news-item {
  display: flex;
  gap: 26px;
  background: var(--white);
  box-shadow: var(--shadow);
  margin-bottom: 26px;
  padding: 18px;
  transition: transform 0.3s;
}
.news-item:hover { transform: translateX(6px); }
.news-thumb {
  width: 260px;
  min-height: 170px;
  background-size: cover;
  background-position: center;
  clip-path: polygon(6% 0, 100% 0, 100% 80%, 92% 100%, 0 100%, 0 18%);
  flex-shrink: 0;
}
.news-body { flex: 1; }
.news-date { color: var(--stone-dark); font-size: 13px; letter-spacing: 1px; }
.news-body h3 { margin: 8px 0 10px; font-size: 19px; color: var(--earth-dark); }
.news-body h3 a { color: inherit; text-decoration: none; }
.news-body h3 a:hover { color: var(--earth); }
.news-body p { color: var(--ink-light); font-size: 14px; line-height: 1.8; }
.news-more { display: inline-block; margin-top: 12px; color: var(--earth); font-size: 13px; border-bottom: 1px solid var(--earth); }

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 0 20px 80px;
}
.page {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--stone);
  color: var(--ink);
  transition: all 0.3s;
}
.page:hover, .page.active { background: var(--earth); border-color: var(--earth); color: #fff; }

/* ---------- 联系页 ---------- */
.contact-info { padding: 150px 20px 60px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.info-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
  border-top: 4px solid var(--earth);
}
.info-card:hover { transform: translateY(-6px); }
.info-icon {
  font-size: 34px;
  color: var(--earth);
  margin-bottom: 14px;
}
.info-card h3 { color: var(--earth-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;
}
.form-side h2 { font-size: 28px; 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 28px;
  position: relative;
  color: var(--earth-dark);
  font-size: 14.5px;
}
.form-tips li::before { content: "◆"; position: absolute; left: 0; color: var(--earth); font-size: 12px; }
.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(--earth-dark); font-size: 14px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d8d0c4;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--earth);
}
.form-group textarea { resize: vertical; }
.form-main .btn { width: 100%; }

/* 地图 */
.map-block { padding: 0 0 90px; }
.map-placeholder {
  height: 360px;
  background:
    linear-gradient(rgba(109,88,65,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,88,65,0.08) 1px, transparent 1px),
    linear-gradient(160deg, #e6dfd5, #d6cdbf);
  background-size: 40px 40px, 40px 40px, cover;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--earth-dark);
  box-shadow: var(--shadow);
  clip-path: polygon(4% 0, 96% 0, 100% 20%, 96% 100%, 4% 100%, 0 80%);
}
.map-pin { font-size: 44px; animation: bounce 1.6s infinite; color: var(--earth); }

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(160deg, #3c332a, #2c251f);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 60px;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(115deg,
    transparent 40%, rgba(143,143,143,0.5) 40.5%, rgba(143,143,143,0.5) 41%,
    transparent 41.5%, transparent 46%, rgba(143,143,143,0.4) 46.5%, rgba(143,143,143,0.4) 47%,
    transparent 47.5%, transparent 52%, rgba(143,143,143,0.5) 52.5%, rgba(143,143,143,0.5) 53%,
    transparent 53.5%, transparent 58%, rgba(143,143,143,0.4) 58.5%, rgba(143,143,143,0.4) 59%,
    transparent 59.5%);
  background-size: 60px 20px;
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer .logo-main { color: #efe9df; }
.footer .logo-sub { color: var(--stone); }
.footer-about p { margin-top: 16px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.6); }
.footer h4 {
  color: #efe9df;
  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: 30px;
  height: 2px;
  background: var(--earth);
}
.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: #efe9df; 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);
}

/* ---------- 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);
}
.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.in-view,
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- CMS 适配 ---------- */
.cms-section { padding: 90px 0; }
.cms-detail { max-width: 900px; margin: 0 auto; }
.cms-detail > img { margin: 0 auto 12px; max-width: 100%; border-radius: var(--radius); }
.cms-detail h1 { font-size: 2rem; margin: 18px 0; color: var(--earth-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(--earth-dark);
  color: #f2ede4;
  font-size: .82rem;
  font-weight: 800;
  padding: 4px 14px;
  clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%);
}
.cms-content h2 { font-size: 1.5rem; margin: 24px 0 12px; color: var(--earth-dark); }
.cms-content h3 { font-size: 1.25rem; margin: 20px 0 10px; color: var(--earth-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 { border-radius: var(--radius); }
.cms-back { display: inline-block; color: var(--earth); font-size: .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 #cbc2b4; font-size: .9rem; }
.spec-list li b { color: var(--earth-dark); }
.cms-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 20px; }
.cms-card { display: block; background: #fff; border: 2px solid var(--cream-dark); border-radius: var(--radius); padding: 20px 24px; transition: .3s; }
.cms-card:hover { border-color: var(--earth); box-shadow: var(--shadow); transform: translateY(-3px); }
.cms-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--earth-dark); }
.cms-card h3:hover { color: var(--earth); }
.cms-card p { color: var(--ink-light); font-size: .9rem; }
.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: 1px solid var(--stone); background: #fff; color: var(--ink); font-size: 14px; transition: .3s; display: inline-block; }
.cms-pager .page-link:hover { border-color: var(--earth); color: var(--earth); }
.cms-pager .page-item.active .page-link { background: var(--earth); border-color: var(--earth); color: #fff; }
.cms-pager .page-item.disabled .page-link { opacity: .5; pointer-events: none; }
.form-alert-err { background: #fdecea; border: 1px solid #f3c6c0; color: #b23b35; padding: 14px 18px; border-radius: 4px; margin-bottom: 18px; }
.form-alert-err li { color: #b23b35; }
.form-success { display: none; background: #e8f7ee; border: 1px solid #a5e0bd; color: #1e7a44; padding: 14px 18px; border-radius: 4px; margin-bottom: 18px; font-size: .9rem; }
.form-success.show { display: block; }
.form-submit { width: 100%; color: #fff; }
.form-group input.invalid, .form-group select.invalid, .form-group textarea.invalid { border-color: #c0392b; background: #fdf5f4; }
.error-text { display: none; color: #c0392b; font-size: .8rem; margin-top: 6px; }

/* ---------- 产品页筛选（cat-tabs 兼容） ---------- */
.cat-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.cat-tab {
  padding: 8px 22px;
  border: 1px solid var(--stone);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s;
  clip-path: polygon(6% 0, 94% 0, 100% 30%, 94% 100%, 6% 100%, 0 70%);
}
.cat-tab:hover { border-color: var(--earth); color: var(--earth); }
.cat-tab.active { background: var(--earth); border-color: var(--earth); color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .power-grid, .products-grid, .products-page, .team-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 48px; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(247, 245, 242, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    box-shadow: 0 10px 30px rgba(60,50,40,0.15);
    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: 36px; }
  .section-title { font-size: 28px; }
  .section-title::before, .section-title::after { display: none; }
  .power-grid, .products-grid, .products-page, .team-grid, .process-grid,
  .cases-grid, .values-grid, .info-grid, .honor-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid, .form-wrap { grid-template-columns: 1fr; padding: 30px 24px; }
  .intro-img { height: 280px; }
  .timeline-list::before { left: 12px; }
  .t-item, .t-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 30px 44px; }
  .t-item::before, .t-item:nth-child(even)::before { right: auto; left: 5px; }
  .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; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 220px; text-align: center; }
}

/* ===== 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; }