/* ============================================================
   广东高信新材料有限公司 官网 · 全站基础样式
   品牌主色 #BB0000（提取自品牌 logo）
   ============================================================ */

:root {
  --brand-primary: #BB0000;
  --brand-primary-dark: #960000;
  --brand-primary-light: #d92e2e;
  --brand-accent: #C9A227;
  --neutral-900: #1a1a1a;
  --neutral-700: #4a4a4a;
  --neutral-500: #888888;
  --neutral-300: #d4d4d4;
  --neutral-100: #f5f5f5;
  --bg: #ffffff;
  --bg-soft: #f8f9fb;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-base: 400ms;
  --duration-slow: 600ms;
  --header-h: 80px;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .10);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, .14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  color: var(--neutral-700);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--duration-fast) ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 34px; border-radius: 999px; font-size: 15px; font-weight: 600;
  letter-spacing: .05em; transition: all var(--duration-base) var(--ease-out);
  min-height: 44px;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary { background: var(--brand-primary); color: #fff; box-shadow: 0 6px 18px rgba(187, 0, 0, .28); }
.btn-primary:hover { background: var(--brand-primary-dark); box-shadow: 0 10px 26px rgba(187, 0, 0, .4); color: #fff; }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--brand-primary); }
.btn-ghost { border: 2px solid var(--brand-primary); color: var(--brand-primary); }
.btn-ghost:hover { background: var(--brand-primary); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--duration-base) ease, background var(--duration-base) ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-bottom-color: rgba(0,0,0,.05); }
.header-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 24px;
  height: var(--header-h); display: flex; align-items: center; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { height: 46px; width: auto; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 18px; color: var(--brand-primary); letter-spacing: .06em; }
.logo-text span { font-size: 11px; color: var(--neutral-500); letter-spacing: .12em; text-transform: uppercase; }

.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; gap: 2px; }
.main-nav li { position: relative; }
.main-nav a {
  display: block; padding: 10px 12px; font-size: 14px; font-weight: 500;
  color: var(--neutral-900); position: relative; white-space: nowrap;
}
.main-nav > ul > li > a::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
  background: var(--brand-primary); transform: scaleX(0); transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.main-nav > ul > li > a:hover, .main-nav > ul > li > a.active { color: var(--brand-primary); }
.main-nav > ul > li > a:hover::after, .main-nav > ul > li > a.active::after { transform: scaleX(1); }

/* 二级下拉 */
.main-nav .sub-menu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 170px; background: #fff; border-radius: 10px; box-shadow: var(--shadow-md);
  padding: 8px; opacity: 0; visibility: hidden;
  transition: all var(--duration-base) var(--ease-out);
}
.main-nav li.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-menu a { padding: 10px 14px; font-size: 14px; border-radius: 8px; }
.sub-menu a:hover { background: var(--neutral-100); color: var(--brand-primary); }
.nav-caret { display: inline-block; width: 12px; height: 12px; margin-left: 2px; vertical-align: middle; }
.nav-caret svg { display: block; width: 100%; height: 100%; }
.main-nav li.has-sub > a { padding-right: 26px; }
.main-nav li.has-sub > .nav-caret { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); margin-left: 0; }
/* 悬停桥接：消除一级菜单与下拉之间的 hover 死区 */
.main-nav li.has-sub::before { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 12px; }

/* 语言切换 */
.header-tools { display: flex; align-items: center; gap: 14px; }
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 7px; padding: 9px 14px;
  border: 1px solid var(--neutral-300); border-radius: 999px; font-size: 13px;
  color: var(--neutral-700); background: #fff; min-height: 44px;
  transition: all var(--duration-fast) ease;
}
.lang-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.lang-btn svg { width: 16px; height: 16px; }
.lang-list {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 150px;
  background: #fff; border-radius: 10px; box-shadow: var(--shadow-md); padding: 6px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all var(--duration-base) var(--ease-out); z-index: 1200;
}
.lang-switcher.open .lang-list { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-list button {
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  padding: 9px 12px; font-size: 14px; color: var(--neutral-700); border-radius: 8px;
}
.lang-list button:hover { background: var(--neutral-100); }
.lang-list button.current { color: var(--brand-primary); font-weight: 600; }
.lang-list button .check { opacity: 0; }
.lang-list button.current .check { opacity: 1; }

/* 汉堡按钮 */
.mobile-toggle { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--neutral-900); border-radius: 2px; transition: all var(--duration-base) var(--ease-out); }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 85vw); z-index: 1100;
  background: #fff; box-shadow: var(--shadow-lg); padding: 90px 24px 40px;
  transform: translateX(105%); transition: transform var(--duration-slow) var(--ease-out);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { display: block; padding: 14px 4px; font-size: 16px; font-weight: 500; color: var(--neutral-900); border-bottom: 1px solid var(--neutral-100); }
.mobile-menu a.active, .mobile-menu a:hover { color: var(--brand-primary); }
.mobile-menu .m-sub { padding-left: 18px; }
.mobile-menu .m-sub a { font-size: 14px; color: var(--neutral-700); }
.mobile-mask {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 1050;
  opacity: 0; visibility: hidden; transition: all var(--duration-base) ease;
}
.mobile-mask.show { opacity: 1; visibility: visible; }

/* ---------- Hero 轮播 ---------- */
.hero { position: relative; height: 92vh; min-height: 560px; overflow: hidden; background: var(--neutral-900); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.06); transition: opacity 1.1s ease, transform 1.6s var(--ease-out); pointer-events: none; }
.hero-slide.active { opacity: 1; transform: scale(1); pointer-events: auto; }
.hero-bg {
  position: absolute; inset: -8% 0; background-size: cover; background-position: center;
  will-change: transform; transform: translateY(0);
}
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10, 5, 5, .62) 0%, rgba(10, 5, 5, .30) 55%, rgba(10, 5, 5, .12) 100%);
}
.hero-content {
  position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column;
  justify-content: center; align-items: flex-start; max-width: 1280px; margin: 0 auto;
  padding: 0 24px; color: #fff;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 14px; letter-spacing: .3em;
  text-transform: uppercase; color: rgba(255, 255, 255, .85); margin-bottom: 20px;
}
.hero-eyebrow::before { content: ''; width: 42px; height: 2px; background: var(--brand-primary-light); }
.hero-title { font-size: clamp(30px, 5vw, 58px); font-weight: 800; line-height: 1.2; letter-spacing: .02em; margin-bottom: 20px; text-shadow: 0 2px 18px rgba(0,0,0,.35); }
.hero-sub { font-size: clamp(15px, 1.6vw, 19px); color: rgba(255, 255, 255, .88); max-width: 640px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-slide .hero-eyebrow, .hero-slide .hero-title, .hero-slide .hero-sub, .hero-slide .hero-actions {
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s ease, transform .8s var(--ease-out);
}
.hero-slide .hero-title {
  clip-path: inset(0 0 100% 0);
  transition: opacity .8s ease .3s, transform .8s var(--ease-out) .3s, clip-path 1s var(--ease-out) .25s;
}
.hero-slide.active .hero-eyebrow, .hero-slide.active .hero-title, .hero-slide.active .hero-sub, .hero-slide.active .hero-actions { opacity: 1; transform: translateY(0); }
.hero-slide.active .hero-title { clip-path: inset(-12% 0 -12% 0); }
.hero-slide .hero-eyebrow { transition-delay: .15s; }
.hero-slide .hero-sub { transition-delay: .5s; }
.hero-slide .hero-actions { transition-delay: .65s; }

.hero-dots { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); z-index: 8; display: flex; gap: 10px; }
.hero-dot { position: relative; overflow: hidden; width: 10px; height: 10px; border-radius: 999px; background: rgba(255,255,255,.45); transition: all var(--duration-base) ease; }
.hero-dot.active { width: 30px; background: var(--brand-primary-light); }
.hero-dot.active::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: rgba(255, 255, 255, .9); transform-origin: left;
  animation: gx-dotfill 5s linear forwards;
}
.hero:hover .hero-dot.active::before { animation-play-state: paused; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 8;
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; background: rgba(255,255,255,.14); backdrop-filter: blur(4px);
  transition: all var(--duration-fast) ease;
}
.hero-arrow:hover { background: var(--brand-primary); }
.hero-arrow.prev { left: 26px; }
.hero-arrow.next { right: 26px; }
.hero-arrow svg { width: 22px; height: 22px; }

/* ---------- 子页面 Banner ---------- */
.page-banner {
  position: relative; height: 46vh; min-height: 320px; display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; background-size: cover; background-position: center; margin-top: var(--header-h);
}
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,8,8,.55), rgba(15,8,8,.42)); }
.page-banner .pb-inner { position: relative; z-index: 2; padding: 0 24px; }
.page-banner h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: .06em; margin-bottom: 12px; }
.page-banner p { font-size: clamp(13px, 1.4vw, 16px); letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.85); }
.pb-crumbs { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 2; font-size: 13px; color: rgba(255,255,255,.75); }
.pb-crumbs a:hover { color: #fff; }

/* ---------- Section 标题 ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.sec-head { text-align: center; margin-bottom: 54px; }
.sec-eyebrow { font-size: 13px; letter-spacing: .34em; text-transform: uppercase; color: var(--brand-primary); font-weight: 600; }
.sec-title { font-size: clamp(24px, 3vw, 36px); font-weight: 800; color: var(--neutral-900); margin: 10px 0 16px; letter-spacing: .04em; }
.sec-line { width: 64px; height: 3px; background: var(--brand-primary); margin: 0 auto; border-radius: 2px; position: relative; }
.sec-line::after { content: ''; position: absolute; top: 0; left: 100%; width: 14px; height: 3px; background: var(--brand-accent); margin-left: 6px; border-radius: 2px; }
.sec-desc { max-width: 720px; margin: 18px auto 0; color: var(--neutral-500); font-size: 15px; }

/* ---------- 关于我们（首页） ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; }
.about-media::before {
  content: ''; position: absolute; left: -22px; top: -22px; width: 140px; height: 140px;
  border: 3px solid var(--brand-primary); border-radius: var(--radius); z-index: -1; opacity: .35;
}
.about-badge {
  position: absolute; right: -18px; bottom: -24px; background: var(--brand-primary); color: #fff;
  padding: 20px 26px; border-radius: var(--radius); box-shadow: var(--shadow-md); text-align: center;
}
.about-badge strong { display: block; font-size: 30px; line-height: 1.1; }
.about-badge span { font-size: 13px; opacity: .9; }
.about-text h3 { font-size: clamp(22px, 2.6vw, 32px); color: var(--neutral-900); font-weight: 800; margin: 8px 0 20px; line-height: 1.35; }
.about-text p { margin-bottom: 16px; color: var(--neutral-700); font-size: 15px; text-align: justify; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 22px 0 30px; }
.about-points li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--neutral-900); font-weight: 500; }
.about-points svg { width: 20px; height: 20px; color: var(--brand-primary); flex-shrink: 0; }

/* ---------- 数字统计 ---------- */
.stats-band { background: linear-gradient(120deg, var(--brand-primary-dark), var(--brand-primary) 60%, #d11f1f); color: #fff; }
.stats-band .sec-title { color: #fff; }
.stats-band .sec-eyebrow { color: rgba(255, 255, 255, .85); }
.stats-band .sec-line { background: #fff; }
.stats-band .sec-line::after { background: var(--brand-accent); }
.stats-band .sec-desc { color: rgba(255, 255, 255, .8); }
[id] { scroll-margin-top: calc(var(--header-h) + 18px); }
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px; }
.stat-card { text-align: center; padding: 12px 6px; }
.stat-icon { width: 46px; height: 46px; margin: 0 auto 14px; color: rgba(255,255,255,.92); }
.stat-icon svg { width: 100%; height: 100%; }
.stat-value { font-size: clamp(26px, 2.8vw, 40px); font-weight: 800; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat-value .stat-suffix { font-size: .52em; font-weight: 600; margin-left: 3px; opacity: .92; }
.stat-label { font-size: 13.5px; margin-top: 8px; color: rgba(255,255,255,.82); letter-spacing: .04em; }

/* ---------- 产品 ---------- */
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 42px; }
.filter-btn {
  padding: 10px 26px; border-radius: 999px; font-size: 14.5px; color: var(--neutral-700);
  border: 1px solid var(--neutral-300); background: #fff; transition: all var(--duration-fast) ease; min-height: 44px;
}
.filter-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.filter-btn.active { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; box-shadow: 0 6px 16px rgba(187,0,0,.25); }

.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.product-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-base) var(--ease-out); will-change: transform;
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); }
.product-img { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--neutral-100); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.product-card:hover .product-img img { transform: scale(1.07); }
.product-tag {
  position: absolute; top: 14px; left: 14px; background: rgba(187, 0, 0, .88); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 999px; letter-spacing: .06em;
}
.product-info { padding: 20px 20px 24px; flex: 1; display: flex; flex-direction: column; }
.product-info h3 { font-size: 17px; color: var(--neutral-900); font-weight: 700; margin-bottom: 8px; }
.product-info p {
  font-size: 13.5px; color: var(--neutral-500); line-height: 1.65; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-link {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px;
  color: var(--brand-primary); font-weight: 600;
}
.product-link svg { width: 15px; height: 15px; transition: transform var(--duration-fast) ease; }
.product-card:hover .product-link svg { transform: translateX(4px); }

/* ---------- 应用领域 ---------- */
.apps-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.app-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; cursor: pointer; }
.app-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.app-card:hover img { transform: scale(1.08); }
.app-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(20, 8, 8, .78));
}
.app-name {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 16px 14px;
  color: #fff; font-size: 14.5px; font-weight: 600; letter-spacing: .04em; text-align: center;
}

/* 应用领域详情页 */
.apps-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.app-detail-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.app-detail-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.app-detail-card > img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.app-detail-body { padding: 22px 22px 24px; }
.app-detail-body h3 { font-size: 18px; font-weight: 700; color: var(--neutral-900); margin-bottom: 10px; letter-spacing: .03em; }
.app-detail-body p { font-size: 14px; color: var(--neutral-700); line-height: 1.75; }
.app-reco { margin-top: 16px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.app-reco strong { color: var(--brand-primary); font-weight: 600; font-size: 13px; }
.app-reco .chip {
  padding: 4px 12px; background: var(--neutral-100); color: var(--neutral-700);
  border-radius: 999px; font-size: 12.5px; transition: all var(--duration-fast) ease;
}
.app-detail-card:hover .chip { background: rgba(187, 0, 0, .08); color: var(--brand-primary); }

/* ---------- 视频 ---------- */
.videos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.video-card { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; box-shadow: var(--shadow-sm); }
.video-card img { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.video-card:hover img { transform: scale(1.06); }
.video-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,8,8,.72)); }
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -60%); z-index: 3;
  width: 64px; height: 64px; border-radius: 50%; background: rgba(187, 0, 0, .9);
  display: flex; align-items: center; justify-content: center; color: #fff;
  transition: all var(--duration-base) var(--ease-out); box-shadow: 0 0 0 10px rgba(255,255,255,.14);
}
.video-card:hover .video-play { transform: translate(-50%, -60%) scale(1.1); background: var(--brand-primary); }
.video-play svg { width: 26px; height: 26px; margin-left: 3px; }
.video-title { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 18px 20px; color: #fff; font-size: 15.5px; font-weight: 600; }

/* ---------- 资质荣誉 ---------- */
.honor-track {
  display: flex; gap: 22px; overflow-x: auto; padding: 10px 4px 26px;
  scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--brand-primary) var(--neutral-100);
}
.honor-track::-webkit-scrollbar { height: 6px; }
.honor-track::-webkit-scrollbar-track { background: var(--neutral-100); border-radius: 3px; }
.honor-track::-webkit-scrollbar-thumb { background: var(--brand-primary); border-radius: 3px; }
.honor-item {
  flex: 0 0 230px; scroll-snap-align: start; background: #fff; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); cursor: zoom-in;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) ease;
}
.honor-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.honor-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.honor-item figcaption { padding: 12px 14px; font-size: 13.5px; text-align: center; color: var(--neutral-700); font-weight: 500; }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-grid .honor-item { flex: none; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; max-width: 980px; margin: 0 auto; padding: 12px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--brand-primary-light), var(--neutral-300)); transform: translateX(-50%); }
.tl-item { position: relative; width: 50%; padding: 0 46px 46px 0; }
.tl-item:nth-child(even) { margin-left: 50%; padding: 0 0 46px 46px; }
.tl-dot {
  position: absolute; top: 6px; right: -9px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 4px solid var(--brand-primary); box-shadow: 0 0 0 5px rgba(187,0,0,.12);
}
.tl-item:nth-child(even) .tl-dot { right: auto; left: -9px; }
.tl-card { background: #fff; border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-sm); transition: box-shadow var(--duration-base) ease, transform var(--duration-base) var(--ease-out); }
.tl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.tl-year { font-size: 24px; font-weight: 800; color: var(--brand-primary); line-height: 1; margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.tl-card p { font-size: 14.5px; color: var(--neutral-700); }

/* ---------- 新闻 ---------- */
.news-list { display: flex; flex-direction: column; gap: 18px; max-width: 1000px; margin: 0 auto; }
.news-item {
  display: flex; gap: 26px; align-items: stretch; background: #fff; border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-base) ease, transform var(--duration-base) var(--ease-out);
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-date {
  flex-shrink: 0; width: 84px; background: var(--brand-primary); color: #fff; border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 12px 6px;
}
.news-date strong { font-size: 30px; font-weight: 800; line-height: 1; }
.news-date span { font-size: 12px; margin-top: 6px; opacity: .92; }
.news-thumb { flex-shrink: 0; width: 150px; border-radius: 10px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.news-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.news-body h3 { font-size: 17px; color: var(--neutral-900); font-weight: 700; line-height: 1.5; transition: color var(--duration-fast) ease; }
.news-item:hover .news-body h3 { color: var(--brand-primary); }
.news-body p {
  margin-top: 8px; font-size: 13.5px; color: var(--neutral-500); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-meta { margin-top: 10px; font-size: 12.5px; color: var(--neutral-500); display: flex; gap: 16px; align-items: center; }
.news-meta .cat { color: var(--brand-primary); font-weight: 600; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--duration-base) var(--ease-out); display: flex; flex-direction: column; }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.news-card-img { aspect-ratio: 16 / 10; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-card-date { font-size: 12.5px; color: var(--brand-primary); font-weight: 600; margin-bottom: 10px; letter-spacing: .04em; }
.news-card-body h3 { font-size: 16px; color: var(--neutral-900); font-weight: 700; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card:hover h3 { color: var(--brand-primary); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; border: 1px solid transparent; transition: border-color var(--duration-fast) ease; }
.faq-item.open { border-color: rgba(187, 0, 0, .25); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--neutral-900); text-align: left;
}
.faq-item.open .faq-question { color: var(--brand-primary); }
.faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--neutral-300);
  display: flex; align-items: center; justify-content: center; position: relative;
  transition: all var(--duration-base) var(--ease-out);
}
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: currentColor; transition: transform var(--duration-base) var(--ease-out); }
.faq-icon::before { width: 12px; height: 1.6px; }
.faq-icon::after { width: 1.6px; height: 12px; }
.faq-item.open .faq-icon { border-color: var(--brand-primary); color: var(--brand-primary); transform: rotate(180deg); }
.faq-item.open .faq-icon::after { transform: scaleY(0); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--duration-slow) var(--ease-out); }
.faq-answer p { padding: 0 24px 22px; font-size: 14.5px; color: var(--neutral-700); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--neutral-900) 0%, #3a1010 48%, var(--brand-primary-dark) 100%);
  color: #fff; text-align: center; padding: 80px 24px; position: relative; overflow: hidden;
}
.cta-band::before { content: ''; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%; border: 60px solid rgba(187,0,0,.25); }
.cta-band h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; margin-bottom: 14px; position: relative; }
.cta-band p { color: rgba(255,255,255,.78); margin-bottom: 32px; font-size: 15.5px; position: relative; }

/* ---------- Footer ---------- */
.site-footer { background: #191919; color: rgba(255,255,255,.72); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr .8fr; gap: 44px; padding: 70px 0 50px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 22px; letter-spacing: .06em; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--brand-primary); }
.footer-brand img { height: 46px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: .92; }
.footer-brand p { font-size: 13.5px; line-height: 1.85; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { font-size: 14px; display: inline-flex; align-items: center; gap: 8px; }
.footer-nav a::before { content: ''; width: 6px; height: 1.5px; background: var(--brand-primary); transition: width var(--duration-fast) ease; }
.footer-nav a:hover { color: #fff; }
.footer-nav a:hover::before { width: 14px; }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 13.5px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: var(--brand-primary-light); flex-shrink: 0; margin-top: 4px; }
.footer-qr img { width: 110px; height: 110px; border-radius: 10px; background: #fff; padding: 6px; }
.footer-qr p { font-size: 12.5px; margin-top: 10px; color: rgba(255,255,255,.55); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 20px 0; font-size: 12.5px; color: rgba(255,255,255,.5); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .records { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 900; width: 46px; height: 46px;
  border-radius: 50%; background: var(--brand-primary); color: #fff; display: flex;
  align-items: center; justify-content: center; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all var(--duration-base) var(--ease-out);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--brand-primary-dark); transform: translateY(-3px); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 6, 6, .82); backdrop-filter: blur(4px); padding: 24px;
  opacity: 0; visibility: hidden; transition: all var(--duration-base) ease;
}
.modal.show { opacity: 1; visibility: visible; }
.modal-box { position: relative; max-width: 960px; width: 100%; transform: scale(.94); transition: transform var(--duration-base) var(--ease-out); }
.modal.show .modal-box { transform: scale(1); }
.modal-box img { width: 100%; max-height: 78vh; object-fit: contain; border-radius: 10px; }
.modal-caption { text-align: center; color: #fff; margin-top: 14px; font-size: 15px; letter-spacing: .05em; }
.modal-close {
  position: absolute; top: -16px; right: -16px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--brand-primary); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); transition: all var(--duration-fast) ease;
}
.modal-close:hover { background: var(--brand-primary-dark); transform: rotate(90deg); }
.modal-close svg { width: 20px; height: 20px; }

/* ---------- 内容页通用 ---------- */
.page-section { padding: 80px 0; }
.article-body { max-width: 860px; margin: 0 auto; }
.article-body p { margin-bottom: 18px; font-size: 15.5px; text-align: justify; }
.article-head { margin-bottom: 34px; text-align: center; }
.article-head h1 { font-size: clamp(22px, 3vw, 32px); color: var(--neutral-900); font-weight: 800; line-height: 1.45; margin-bottom: 16px; }
.article-meta { font-size: 13px; color: var(--neutral-500); display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.article-meta .cat { color: var(--brand-primary); font-weight: 600; }
.article-cover { border-radius: var(--radius); margin-bottom: 32px; width: 100%; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.detail-media { position: sticky; top: calc(var(--header-h) + 24px); }
.detail-media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.detail-info h1 { font-size: clamp(24px, 3vw, 34px); color: var(--neutral-900); font-weight: 800; margin-bottom: 10px; }
.detail-cat { display: inline-block; background: rgba(187,0,0,.08); color: var(--brand-primary); font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 999px; margin-bottom: 22px; }
.detail-desc { font-size: 15.5px; line-height: 1.9; margin-bottom: 28px; text-align: justify; }
.detail-features { margin-bottom: 32px; }
.detail-features li { display: flex; gap: 10px; align-items: center; padding: 9px 0; font-size: 14.5px; border-bottom: 1px dashed var(--neutral-100); }
.detail-features svg { width: 18px; height: 18px; color: var(--brand-primary); flex-shrink: 0; }
.related-title { font-size: 20px; font-weight: 700; color: var(--neutral-900); margin: 60px 0 26px; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); cursor: zoom-in; transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) ease; box-shadow: var(--shadow-sm); }
.gallery-grid img:hover { transform: translateY(-5px) scale(1.02); box-shadow: var(--shadow-md); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 18px; }
.contact-card { display: flex; gap: 18px; background: #fff; padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow-sm); align-items: flex-start; transition: all var(--duration-base) var(--ease-out); }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-card .ci { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; background: rgba(187,0,0,.08); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; }
.contact-card .ci svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: 15px; color: var(--neutral-900); font-weight: 700; margin-bottom: 6px; }
.contact-card p { font-size: 14px; color: var(--neutral-500); word-break: break-all; }
.contact-form { background: #fff; padding: 36px; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.contact-form h3 { font-size: 20px; color: var(--neutral-900); font-weight: 700; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--neutral-900); margin-bottom: 8px; }
.form-field input, .form-field textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--neutral-300); border-radius: 10px;
  font-size: 14px; font-family: inherit; color: var(--neutral-900); background: var(--bg-soft);
  transition: all var(--duration-fast) ease; min-height: 46px;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--brand-primary); background: #fff; box-shadow: 0 0 0 3px rgba(187,0,0,.1); }
.form-msg { font-size: 13.5px; margin-top: 12px; color: var(--brand-primary); display: none; }

.shop-line { margin-top: 22px; font-size: 14px; color: var(--neutral-500); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.shop-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 18px; border-radius: 999px;
  background: rgba(187, 0, 0, .08); color: var(--brand-primary); font-weight: 600; font-size: 13.5px;
  transition: all var(--duration-fast) ease;
}
.shop-link:hover { background: var(--brand-primary); color: #fff; box-shadow: 0 6px 16px rgba(187, 0, 0, .28); }
.shop-link svg { width: 14px; height: 14px; flex-shrink: 0; }

.map-placeholder {
  margin-top: 60px; border-radius: var(--radius); overflow: hidden; position: relative;
  background: linear-gradient(135deg, #f3f4f6, #e8eaee); min-height: 300px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  border: 1px solid var(--neutral-100);
}
.map-placeholder svg { width: 46px; height: 46px; color: var(--brand-primary); }
.map-placeholder strong { color: var(--neutral-900); font-size: 17px; }
.map-placeholder span { color: var(--neutral-500); font-size: 14px; }

/* ---------- 文化卡片 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.culture-card { background: #fff; border-radius: var(--radius); padding: 38px 30px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--duration-base) var(--ease-out); border-top: 3px solid transparent; }
.culture-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-top-color: var(--brand-primary); }
.culture-card .ci { width: 60px; height: 60px; margin: 0 auto 20px; color: var(--brand-primary); background: rgba(187,0,0,.07); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
.culture-card .ci svg { width: 28px; height: 28px; }
.culture-card h4 { font-size: 18px; color: var(--neutral-900); font-weight: 700; margin-bottom: 12px; }
.culture-card p { font-size: 14px; color: var(--neutral-500); }