/* ============================================================
   上海德之森香精香料有限公司 · 官网样式（橙色系 · 高级版）
   ============================================================ */
:root {
  --g900: #3b230e;      /* 深暖色：仅用于标题文字（同参考图标题色） */
  --g800: #e8380d;      /* 鲜橙红：渐变深端 */
  --g700: #c2410c;      /* 焙橙 */
  --g600: #ea580c;      /* 主橙 */
  --g500: #ff6a00;      /* 亮橙 */
  --g300: #ffc078;      /* 浅橙 */
  --g100: #ffe8d2;      /* 浅橙底 */
  --g50:  #fff4ea;      /* 奶油底 */
  --gold: #f59e0b;      /* 琥珀金 */
  --gold-l: #ffd166;    /* 亮金 */
  --ink: #3b230e;       /* 正文深暖色 */
  --muted: #92705a;     /* 次级文字 */
  --line: #f8e3d3;      /* 分隔线 */
  --shadow: 0 16px 44px rgba(232, 56, 13, 0.15);
  --shadow-lg: 0 24px 60px rgba(232, 56, 13, 0.22);
  --serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
ul { list-style: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section.alt { background: var(--g50); }
.section.tight { padding: 72px 0; }

/* 待填写占位样式 */
.todo {
  color: #c2410c;
  background: rgba(234, 88, 12, 0.10);
  border-bottom: 1px dashed rgba(194, 65, 12, 0.65);
  padding: 0 5px;
  border-radius: 3px;
  white-space: nowrap;
}
.footer .todo, .topbar .todo { color: #fff; background: rgba(255, 255, 255, 0.22); border-bottom-color: rgba(255, 255, 255, .75); }

/* 图标 */
.ic { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; vertical-align: -0.28em; flex: none; }

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: 999px;
  font-size: 15px; letter-spacing: 2px; cursor: pointer;
  border: 1px solid transparent; transition: all .3s; font-weight: 600;
}
.btn-primary {
  background: linear-gradient(120deg, #ff8a00, #e8380d);
  color: #fff; box-shadow: 0 10px 26px rgba(232, 56, 13, .4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(220, 47, 2, .45); }
.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; background: rgba(255, 255, 255, .10); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.btn-ghost:hover { background: #fff; color: var(--g600); }
.btn-green { background: linear-gradient(120deg, #ff7a00, #e8380d); color: #fff; box-shadow: 0 10px 26px rgba(232, 56, 13, .35); }
.btn-green:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(194, 65, 12, .4); }
.btn-line { border-color: var(--g500); color: var(--g600); background: #fff; }
.btn-line:hover { background: var(--g500); border-color: var(--g500); color: #fff; box-shadow: 0 12px 28px rgba(232, 56, 13, .3); }

/* ---------------- 标题区 ---------------- */
.sec-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.sec-en {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--g500); font-weight: 700;
}
.sec-en::before, .sec-en::after { content: ""; width: 34px; height: 1px; background: var(--g300); }
.sec-title { font-family: var(--serif); font-size: 40px; color: var(--g900); margin: 12px 0 14px; letter-spacing: 1px; }
.sec-title em { font-style: normal;
  background: linear-gradient(115deg, #ff8a00 20%, #e8380d 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-desc { color: var(--muted); font-size: 15.5px; }
.sec-head.left { text-align: left; margin-left: 0; }
.sec-head.left .sec-en::before { display: none; }

/* ---------------- 顶部信息条 ---------------- */
.topbar { background: linear-gradient(90deg, #f0510a, #ff6a00); color: #fff; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a:hover { color: var(--gold-l); }
.topbar .tb-right { display: flex; align-items: center; gap: 6px; }
.topbar .ic { color: #ffe1a6; }

/* ---------------- 导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
  transition: box-shadow .3s;
}
.site-header::before {
  content: ""; display: block; height: 3px;
  background: linear-gradient(90deg, #ffc53d, #ff6a00 40%, #e8380d 80%);
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(124, 45, 18, .14); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 54px; width: auto; display: block; flex: none; }
.logo-text { display: flex; flex-direction: column; gap: 2px; }
.logo .logo-cn { font-size: 19px; letter-spacing: 1.5px; }
.logo .logo-en { font-size: 9px; letter-spacing: 0.6px; }
.logo .logo-cn { display: block; font-size: 24px; font-weight: 800; color: var(--g900); line-height: 1.25; letter-spacing: 2px; white-space: nowrap; }
.logo .logo-en { display: block; font-size: 9.5px; letter-spacing: 2.2px; color: var(--g500); text-transform: uppercase; white-space: nowrap; }
.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  position: relative; display: block; padding: 10px 18px;
  font-size: 16px; color: var(--ink); letter-spacing: 1px;
}
.main-nav a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 2px;
  height: 2px; background: linear-gradient(90deg, #ff9e00, #e8380d); border-radius: 2px;
  transform: scaleX(0); transform-origin: center; transition: transform .3s;
}
.main-nav a:hover, .main-nav a.active { color: var(--g600); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.hamburger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 26px; height: 2.5px; background: #e8380d; margin: 5px 0; border-radius: 2px; transition: .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------------- 首页轮播 ---------------- */
.hero { position: relative; height: 660px; overflow: hidden; background: #f0510a; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(70, 30, 8, .55) 6%, rgba(70, 30, 8, .22) 46%, rgba(70, 30, 8, 0) 75%);
}

.hero-visual {
  position: absolute; right: 7%; top: 50%; transform: translateY(-50%);
  width: 400px; height: 500px; z-index: 1;
}
.hero-visual img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  border-radius: 220px 220px 26px 26px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .5);
}
.hero-visual::before {
  content: ""; position: absolute; inset: -16px;
  border: 1.5px solid rgba(251, 191, 36, .5);
  border-radius: 236px 236px 42px 42px;
}
.hero-chip {
  position: absolute; left: -26px; bottom: 26px; z-index: 2;
  background: rgba(255, 255, 255, .92); color: var(--g800);
  font-size: 13px; letter-spacing: 1px; font-weight: 600;
  padding: 10px 18px; border-radius: 12px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, .35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  color: #fff; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; letter-spacing: 4px; color: var(--gold-l);
  border: 1px solid rgba(255, 225, 166, .45); border-radius: 999px; padding: 6px 20px; margin-bottom: 26px;
  background: rgba(255, 255, 255, .10); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero h1 { font-family: var(--serif); font-size: 58px; letter-spacing: 4px; margin-bottom: 18px; text-shadow: 0 6px 30px rgba(0, 0, 0, .35); }
.hero h1 em { font-style: normal;
  background: linear-gradient(115deg, #ffe1a6 10%, #f7c04a 55%, #ff9e3d 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 18px; color: rgba(255, 255, 255, .9); max-width: 640px; margin-bottom: 38px; letter-spacing: 1px; }
.hero-actions { display: flex; gap: 16px; }
.hero-dots { position: absolute; z-index: 3; left: 50%; transform: translateX(-50%); bottom: 96px; display: flex; gap: 10px; }
.hero-dots button { width: 30px; height: 4px; border: 0; border-radius: 4px; background: rgba(255, 255, 255, .35); cursor: pointer; transition: .3s; }
.hero-dots button.on { background: var(--gold-l); width: 46px; }
.hero-arrow {
  position: absolute; z-index: 3; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .4);
  background: rgba(255, 255, 255, .08); color: #fff; font-size: 22px; cursor: pointer;
  transition: .3s; backdrop-filter: blur(2px); line-height: 1;
}
.hero-arrow:hover { background: #fff; border-color: #fff; color: #e8380d; }
.hero-arrow.prev { left: 28px; }
.hero-arrow.next { right: 28px; }

/* ---------------- 承诺条（压在轮播底部） ---------------- */
.promise { position: relative; z-index: 6; margin-top: -58px; }
.promise-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  box-shadow: var(--shadow-lg); padding: 10px;
}
.promise-item { display: flex; gap: 14px; align-items: center; padding: 22px 24px; border-right: 1px dashed var(--line); }
.promise-item:last-child { border-right: 0; }
.promise-item .p-ic {
  width: 54px; height: 54px; border-radius: 16px; flex: none;
  background: linear-gradient(135deg, var(--g500), var(--g600));
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 18px rgba(234, 88, 12, .3);
}
.promise-item .p-ic .ic { width: 27px; height: 27px; }
.promise-item h4 { font-size: 17.5px; color: var(--g900); letter-spacing: 1px; }
.promise-item p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }

/* ---------------- 页内 Banner（子页面） ---------------- */
.page-banner {
  position: relative; color: #fff; text-align: center;
  background: linear-gradient(115deg, #ff9100 0%, #f0510a 55%, #d63a05 100%);
  padding: 84px 0 92px; overflow: hidden;
}
.page-banner::before {
  content: ""; position: absolute; right: -140px; top: -140px; width: 460px; height: 460px;
  border-radius: 50%; background: rgba(255, 255, 255, .06);
}
.page-banner::after {
  content: ""; position: absolute; left: -100px; bottom: -180px; width: 380px; height: 380px;
  border-radius: 50%; background: rgba(255, 255, 255, .14);
}
.page-banner .container { position: relative; }
.page-banner .container::after {
  content: attr(data-wm); position: absolute; right: -10px; bottom: -34px;
  font-family: var(--serif); font-size: 104px; font-weight: 700; letter-spacing: 10px;
  color: rgba(255, 255, 255, .07); text-transform: uppercase; white-space: nowrap;
  pointer-events: none; line-height: 1;
}
.page-banner .en { font-size: 13px; letter-spacing: 6px; text-transform: uppercase; color: var(--gold-l); }
.page-banner h1 { font-family: var(--serif); font-size: 42px; letter-spacing: 4px; margin: 8px 0 12px; }
.page-banner .crumb { font-size: 13.5px; color: rgba(255, 255, 255, .78); letter-spacing: 1px; }
.page-banner .crumb a:hover { color: var(--gold-l); }

/* ---------------- 关于我们（首页） ---------------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media .main-img { border-radius: 20px; box-shadow: var(--shadow-lg); aspect-ratio: 10 / 11; object-fit: cover; object-position: center 30%; }
.about-media .badge {
  position: absolute; right: -18px; bottom: -24px;
  background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 18px 26px; display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--line);
}
.about-media .badge .num { font-family: var(--serif); font-size: 34px; font-weight: 700; color: var(--g600); }
.about-media .badge .cap { font-size: 13px; color: var(--muted); line-height: 1.5; }
.about-text .sec-head { margin-bottom: 22px; }
.about-text p { color: var(--muted); margin-bottom: 14px; text-align: justify; }
.about-points { margin: 8px 0 30px; display: grid; gap: 10px; }
.about-points li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 15.5px; }
.about-points .ic { color: var(--g500); margin-top: 5px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 64px; }
.stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  text-align: center; padding: 30px 12px 26px; transition: .3s; position: relative; overflow: hidden;
}
.stat-card::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 0; height: 3px; background: linear-gradient(90deg, #ff9e00, #e8380d); transition: .4s;
}
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.stat-card:hover::after { width: 60%; }
.stat-num { font-family: var(--serif); font-size: 44px; font-weight: 700;
  background: linear-gradient(120deg, #ff8a00, #e8380d 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-num span { font-size: 20px; color: var(--gold); margin-left: 2px; }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 4px; letter-spacing: 1px; }

/* ---------------- 产品卡片 ---------------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.prod-card {
  background: #fff; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line); transition: .35s; display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--g300); }
.prod-thumb { overflow: hidden; aspect-ratio: 4 / 3; }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.prod-card:hover .prod-thumb img { transform: scale(1.07); }
.prod-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.prod-body h3 { font-size: 20px; color: var(--g900); margin-bottom: 8px; }
.prod-body h3 small { font-size: 12px; color: var(--gold); letter-spacing: 2px; margin-left: 8px; font-weight: 400; }
.prod-body p { color: var(--muted); font-size: 14.5px; flex: 1; }
.prod-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.prod-tags span {
  font-size: 12px; color: var(--g700); background: var(--g100);
  border-radius: 999px; padding: 3px 12px;
}
.prod-more { margin-top: 18px; font-size: 14px; color: var(--g600); display: inline-flex; align-items: center; gap: 6px; }
.prod-more:hover { color: var(--g500); }

/* ---------------- 解决方案 ---------------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 34px 26px; transition: .35s; position: relative; overflow: hidden; display: block;
}
.sol-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--g500), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: .4s;
}
.sol-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.sol-card:hover::before { transform: scaleX(1); }
.sol-icon {
  width: 64px; height: 64px; border-radius: 16px; background: var(--g100);
  color: var(--g600); display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.sol-icon .ic { width: 34px; height: 34px; }
.sol-card h3 { font-size: 19px; color: var(--g900); margin-bottom: 10px; }
.sol-card p { color: var(--muted); font-size: 14.5px; }
.sol-card .num-bg {
  position: absolute; right: 14px; top: 6px; font-family: var(--serif);
  font-size: 58px; font-weight: 700; color: rgba(234, 88, 12, .08);
}

/* ---------------- 核心优势（深色） ---------------- */
.dark-sec { background: linear-gradient(130deg, #ff8a00 0%, #f0510a 55%, #d63a05 100%); color: #fff; position: relative; overflow: hidden; }
.dark-sec::before {
  content: ""; position: absolute; right: -160px; top: -160px; width: 480px; height: 480px;
  border-radius: 50%; background: rgba(255, 255, 255, .045);
}
.dark-sec::after {
  content: ""; position: absolute; left: -140px; bottom: -200px; width: 420px; height: 420px;
  border-radius: 50%; border: 36px solid rgba(255, 255, 255, .12);
}
.dark-sec .sec-en { color: var(--gold-l); }
.dark-sec .sec-en::before, .dark-sec .sec-en::after { background: rgba(251, 191, 36, .4); }
.dark-sec .sec-title { color: #fff; }
.dark-sec .sec-desc { color: rgba(255, 255, 255, .85); }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.adv-card {
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 18px;
  padding: 34px 26px; background: rgba(255, 255, 255, .12); transition: .35s;
}
.adv-card:hover { background: rgba(255, 255, 255, .2); transform: translateY(-6px); }
.adv-icon { width: 62px; height: 62px; border-radius: 16px; background: rgba(255, 255, 255, .2); color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.adv-icon .ic { width: 32px; height: 32px; }
.adv-card h3 { font-size: 19px; margin-bottom: 10px; letter-spacing: 1px; }
.adv-card p { font-size: 14px; color: rgba(255, 255, 255, .85); }

/* ---------------- 新闻 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  transition: .35s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.news-thumb { overflow: hidden; aspect-ratio: 10 / 7; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.news-meta .cat { color: var(--g600); background: var(--g100); padding: 2px 12px; border-radius: 999px; }
.news-body h3 { font-size: 17.5px; color: var(--ink); line-height: 1.5; }
.news-body h3 a:hover { color: var(--g600); }
.news-body p { font-size: 14px; color: var(--muted); margin-top: 8px; flex: 1; }
.news-more { margin-top: 14px; font-size: 13.5px; color: var(--g600); }

/* ---------------- CTA ---------------- */
.cta-band {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(110deg, #ff9100 0%, #f0510a 48%, #e8380d 100%);
  padding: 64px 0;
}
.cta-band::before {
  content: ""; position: absolute; right: -120px; top: -160px; width: 420px; height: 420px;
  border-radius: 50%; border: 40px solid rgba(255, 255, 255, .06);
}
.cta-band::after {
  content: ""; position: absolute; left: -80px; bottom: -140px; width: 300px; height: 300px;
  border-radius: 50%; background: rgba(255, 255, 255, .13);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; position: relative; }
.cta-inner h2 { font-family: var(--serif); font-size: 32px; letter-spacing: 2px; margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, .8); font-size: 15px; }
.cta-phone { display: flex; align-items: center; gap: 16px; }
.cta-phone .ring {
  width: 62px; height: 62px; border-radius: 50%; background: rgba(251, 191, 36, .2);
  color: var(--gold-l); display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(251, 191, 36, .35);
}
.cta-phone .ring .ic { width: 30px; height: 30px; }
.cta-phone .label { font-size: 13px; color: rgba(255, 255, 255, .72); letter-spacing: 2px; }
.cta-phone .num { font-family: var(--serif); font-size: 28px; font-weight: 700; color: var(--gold-l); letter-spacing: 1px; }

/* ---------------- 页脚 ---------------- */
.footer { background: linear-gradient(150deg, #ff8a00 0%, #f0510a 52%, #d63a05 100%); color: rgba(255, 255, 255, .88); font-size: 14px; }
.footer ul a { display: inline-block; transition: transform .25s, color .25s; }
.footer ul a:hover { transform: translateX(4px); }
.footer a:hover { color: var(--gold-l); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 44px; padding: 68px 0 48px; }
.footer .f-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer .f-logo .logo-mark { height: 42px; background: linear-gradient(180deg, #ffd166, #f59e0b); }
.footer .f-logo .logo-cn { display: block; font-size: 20px; font-weight: 800; color: #fff; letter-spacing: 2px; }
.footer .f-logo .logo-en { display: block; font-size: 9px; letter-spacing: 2px; color: rgba(255, 255, 255, .68); text-transform: uppercase; white-space: nowrap; }
.footer .f-about { color: rgba(255, 255, 255, .82); font-size: 13.5px; text-align: justify; }
.footer h4 { color: #fff; font-size: 16.5px; letter-spacing: 2px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: #ffd166; border-radius: 2px; }
.footer ul li { margin-bottom: 10px; }
.footer .f-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; }
.footer .f-contact .ic { color: #ffe1a6; margin-top: 5px; }
.footer .qr-box { margin-top: 18px; display: flex; align-items: center; gap: 14px; }
.footer .qr {
  width: 92px; height: 92px; border: 1px dashed rgba(255, 255, 255, .65); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 11px; color: rgba(255, 255, 255, .9); line-height: 1.6; padding: 6px;
}
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .25); background: rgba(160, 30, 0, .22); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .62); }

/* ---------------- 返回顶部 ---------------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, #ff8a00, #e8380d); color: #fff; font-size: 18px; opacity: 0; pointer-events: none;
  transition: .3s; box-shadow: 0 10px 24px rgba(232, 56, 13, .45);
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-4px); }

/* ---------------- 关于我们页 ---------------- */
.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.profile-grid .img-side img { border-radius: 20px; box-shadow: var(--shadow-lg); }
.profile-text h2 { font-family: var(--serif); font-size: 30px; color: var(--g900); margin-bottom: 18px; }
.profile-text h2 em { font-style: normal; color: var(--g500); }
.profile-text p { color: var(--muted); text-align: justify; margin-bottom: 12px; font-size: 15.5px; }
.brand-mean { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 26px 0; }
.brand-mean .bm {
  background: var(--g50); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px;
}
.brand-mean .bm b { font-family: var(--serif); font-size: 30px; color: var(--g600); display: block; margin-bottom: 6px; }
.brand-mean .bm span { font-size: 14px; color: var(--muted); }

.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 34px 24px 28px; overflow: hidden; transition: .35s;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.culture-card .zi {
  position: absolute; right: 10px; top: 2px; font-family: var(--serif); font-size: 84px;
  color: rgba(234, 88, 12, .08); font-weight: 700; line-height: 1;
}
.culture-card h3 { font-size: 19px; color: var(--g700); margin-bottom: 4px; }
.culture-card .en { font-size: 11.5px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 12px; }
.culture-card p { font-size: 14px; color: var(--muted); }

.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--g300), var(--g100)); }
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 7px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 4px solid var(--g500);
}
.tl-stage { display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--g600); background: var(--g100); border-radius: 999px; padding: 3px 16px; margin-bottom: 10px; }
.tl-item h3 { font-size: 19px; color: var(--g900); margin-bottom: 6px; }
.tl-item p { color: var(--muted); font-size: 14.5px; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.honor-card {
  border: 1px solid var(--line); border-radius: 16px; background: #fff;
  padding: 26px 20px; text-align: center; transition: .3s;
}
.honor-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.honor-card .ic { width: 40px; height: 40px; color: var(--gold); margin-bottom: 12px; }
.honor-card h4 { font-size: 15.5px; color: var(--g900); }
.honor-card p { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ---------------- 产品中心页 ---------------- */
.cat-row { display: grid; grid-template-columns: 5fr 7fr; gap: 52px; align-items: center; padding: 52px 0; border-bottom: 1px dashed var(--line); }
.cat-row:last-child { border-bottom: 0; }
.cat-row:nth-child(even) .cat-media { order: 2; }
.cat-media img { border-radius: 18px; box-shadow: var(--shadow); width: 100%; }
.cat-info .cat-en { font-size: 12px; letter-spacing: 4px; color: var(--gold); text-transform: uppercase; }
.cat-info h3 { font-family: var(--serif); font-size: 27px; color: var(--g900); margin: 6px 0 12px; }
.cat-info > p { color: var(--muted); font-size: 15px; margin-bottom: 18px; text-align: justify; }
.chip-wrap { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.chip { font-size: 13.5px; color: var(--g700); background: var(--g50); border: 1px solid var(--line); border-radius: 999px; padding: 6px 18px; transition: .25s; }
.chip:hover { background: var(--g600); border-color: var(--g600); color: #fff; }
.cat-forms { font-size: 13.5px; color: var(--muted); }
.cat-forms b { color: var(--g700); }

/* ---------------- 解决方案页 ---------------- */
.sol-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.sol-block {
  border: 1px solid var(--line); border-radius: 20px; padding: 38px 36px; background: #fff; transition: .35s;
}
.sol-block:hover { box-shadow: var(--shadow); }
.sol-block .sol-icon { margin-bottom: 18px; }
.sol-block h3 { font-size: 21px; color: var(--g900); margin-bottom: 12px; }
.sol-block > p { color: var(--muted); font-size: 14.5px; margin-bottom: 16px; }
.sol-block ul { display: grid; gap: 9px; }
.sol-block ul li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink); }
.sol-block ul .ic { color: var(--gold); width: 1.1em; height: 1.1em; margin-top: 5px; }

/* ---------------- 服务流程 ---------------- */
.flow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.flow-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 16px 24px; text-align: center; transition: .3s; position: relative;
}
.flow-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.flow-num { display: block; font-family: var(--serif); font-size: 34px; font-weight: 700; color: var(--gold); margin-bottom: 10px; }
.flow-card h3 { font-size: 16px; color: var(--g900); margin-bottom: 8px; }
.flow-card p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ---------------- 新闻页 ---------------- */
.news-filter { display: flex; justify-content: center; gap: 12px; margin-bottom: 44px; flex-wrap: wrap; }
.news-filter button {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 999px; padding: 8px 26px; font-size: 14.5px; cursor: pointer; transition: .25s; letter-spacing: 1px;
}
.news-filter button.on, .news-filter button:hover { background: var(--g600); border-color: var(--g600); color: #fff; }

.article-wrap { max-width: 860px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 34px; }
.article-head h1 { font-family: var(--serif); font-size: 30px; color: var(--g900); line-height: 1.5; margin: 14px 0 12px; }
.article-meta { display: flex; justify-content: center; gap: 22px; color: var(--muted); font-size: 13.5px; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .ic { color: var(--g500); }
.article-body { font-size: 16px; color: #43301f; }
.article-body p { margin-bottom: 18px; text-align: justify; line-height: 1.95; }
.article-body h2 { font-size: 20px; color: var(--g700); margin: 30px 0 14px; padding-left: 12px; border-left: 4px solid var(--gold); }
.article-cover { border-radius: 18px; overflow: hidden; margin-bottom: 34px; box-shadow: var(--shadow); }
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14.5px; }
.article-nav a { color: var(--g600); }
.article-nav a:hover { color: var(--g500); }
.empty-tip { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: start; }
.contact-cards { display: grid; gap: 18px; }
.c-card {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 22px 24px; transition: .3s;
}
.c-card:hover { box-shadow: var(--shadow); }
.c-card .c-icon { width: 52px; height: 52px; flex: none; border-radius: 14px; background: var(--g100); color: var(--g600); display: flex; align-items: center; justify-content: center; }
.c-card .c-icon .ic { width: 26px; height: 26px; }
.c-card h4 { font-size: 15.5px; color: var(--g900); margin-bottom: 4px; }
.c-card p { font-size: 14px; color: var(--muted); }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 38px 36px; box-shadow: var(--shadow); }
.form-card h3 { font-family: var(--serif); font-size: 24px; color: var(--g900); margin-bottom: 6px; }
.form-card .tip { font-size: 13.5px; color: var(--muted); margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13.5px; color: var(--g700); }
.form-item input, .form-item select, .form-item textarea {
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  font-size: 14.5px; font-family: var(--sans); color: var(--ink); background: var(--g50);
  outline: none; transition: .25s; width: 100%;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { border-color: var(--g500); background: #fff; box-shadow: 0 0 0 3px rgba(234, 88, 12, .14); }
.form-item textarea { resize: vertical; min-height: 120px; }
.map-box {
  margin-top: 60px; border: 1px dashed var(--g300); border-radius: 18px; background: var(--g50);
  min-height: 300px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--muted); text-align: center; padding: 30px;
}
.map-box .ic { width: 44px; height: 44px; color: var(--g500); }
.toast {
  position: fixed; left: 50%; bottom: 110px; transform: translateX(-50%) translateY(20px);
  background: #d63a05; color: #fff; padding: 13px 30px; border-radius: 999px;
  font-size: 14.5px; opacity: 0; pointer-events: none; transition: .35s; z-index: 200; box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------------- 入场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; } .reveal.d4 { transition-delay: .4s; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 46px; }
  .hero-visual { width: 300px; height: 380px; right: 4%; }
  .hero-visual img { border-radius: 150px 150px 20px 20px; }
  .hero-visual::before { inset: -12px; border-radius: 162px 162px 32px 32px; }
  .hero-chip { left: -14px; font-size: 12px; padding: 8px 14px; }
  .prod-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid, .adv-grid, .culture-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-item:nth-child(2) { border-right: 0; }
}
@media (max-width: 860px) {
  .topbar .tb-left { display: none; }
  .main-nav {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100vh; z-index: 150;
    background: #d63a05; padding: 90px 30px 30px; transition: right .35s;
  }
  .main-nav.open { right: 0; box-shadow: -12px 0 40px rgba(0, 0, 0, .3); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { color: rgba(255, 255, 255, .85); padding: 13px 6px; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 16px; }
  .main-nav a::after { display: none; }
  .hamburger { display: block; position: relative; z-index: 160; }
  .nav-mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 140; opacity: 0; pointer-events: none; transition: .3s; }
  .nav-mask.show { opacity: 1; pointer-events: auto; }
  .hero { height: 560px; }
  .hero h1 { font-size: 36px; }
  .hero-visual { display: none; }
  .about-grid, .profile-grid, .contact-grid, .sol-detail { grid-template-columns: 1fr; gap: 40px; }
  .about-media .badge { right: 10px; }
  .section { padding: 68px 0; }
  .sec-title { font-size: 30px; }
  .page-banner h1 { font-size: 32px; }
  .cat-row { grid-template-columns: 1fr; gap: 26px; padding: 40px 0; }
  .cat-row:nth-child(even) .cat-media { order: 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .promise { margin-top: -40px; }
}
@media (max-width: 560px) {
  .prod-grid, .news-grid, .sol-grid, .adv-grid, .culture-grid, .honor-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-grid { grid-template-columns: 1fr; padding: 6px; }
  .promise-item { border-right: 0; border-bottom: 1px dashed var(--line); padding: 16px 18px; }
  .promise-item:last-child { border-bottom: 0; }
  .hero { height: 500px; }
  .hero h1 { font-size: 30px; letter-spacing: 2px; }
  .hero p { font-size: 15px; }
  .hero-actions { flex-wrap: wrap; }
  .hero-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-mean { grid-template-columns: 1fr; }
  .logo-img { height: 42px; }
  .logo .logo-cn { font-size: 13px; }
  .logo .logo-en { font-size: 7px; letter-spacing: 0.3px; }
  .header-inner { height: 68px; }
  .hero-dots { bottom: 30px; }
  .promise { margin-top: 0; padding-top: 18px; }
}