/* ============================================================
   Dongguan Taige Packaging Products Co., Ltd. — Official Site
   设计系统：工业印刷质感 · 墨蓝 + 琥珀金 · 中英双语
   ============================================================ */

:root {
  --ink: #16222e;          /* 主墨色（深蓝灰） */
  --ink-2: #243442;        /* 次级墨色 */
  --paper: #f7f5f0;        /* 纸白（背景） */
  --paper-2: #efece4;      /* 次级纸色 */
  --amber: #d99a2b;        /* 琥珀金（强调） */
  --amber-soft: #f3e3c3;
  --text: #2b3642;         /* 正文 */
  --text-muted: #5c6b7a;   /* 次要文字 */
  --line: #dcd7cb;         /* 边框 */
  --white: #ffffff;
  --ok: #2e7d4f;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(22, 34, 46, .08);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans 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: var(--paper);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--ink);
  color: #e8e6e0;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 8px;
  background: var(--amber);
  color: var(--ink);
  display: grid; place-items: center;
  font-weight: 800; font-size: 18px; letter-spacing: .5px;
}
.brand-name { line-height: 1.2; }
.brand-name strong { display: block; font-size: 17px; letter-spacing: .3px; color: #fff; }
.brand-name small { font-size: 11.5px; color: #9fb0c0; letter-spacing: 1.5px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 15px; color: #cfd8e0; padding: 6px 2px; border-bottom: 2px solid transparent; transition: .2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; border-color: var(--amber); }
.lang-switch {
  border: 1px solid #4a5a6a; border-radius: 999px;
  padding: 5px 14px; font-size: 13px; cursor: pointer;
  background: transparent; color: #cfd8e0; transition: .2s;
}
.lang-switch:hover { border-color: var(--amber); color: #fff; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: .25s;
  border: 2px solid transparent; font-family: var(--font);
}
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: #c78a1f; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217,154,43,.35); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ink-2); transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(rgba(22, 34, 46, .85), rgba(22, 34, 46, .55) 60%, rgba(22, 34, 46, .75)),
    url("../images/hero-bg.jpg") center 30% / cover no-repeat;
  color: #e8e6e0;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(217,154,43,.16), transparent 60%),
    radial-gradient(500px 260px at 10% 90%, rgba(59,89,112,.35), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  padding: 108px 0 116px; max-width: 780px;
}
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: 2.5px;
  color: var(--amber); border: 1px solid rgba(217,154,43,.5);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 26px;
}
.hero h1 { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.25; color: #fff; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero p { font-size: 17px; color: #b9c4ce; max-width: 620px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 44px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; gap: 40px; flex-wrap: wrap; font-size: 13.5px; color: #93a4b3;
}
.hero-meta b { color: #e8e6e0; font-weight: 600; }

/* ---------- 区块 ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--paper-2); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head .kicker { color: #a8781d; font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 10px; }
.section-head h2 { font-size: clamp(24px, 3vw, 34px); color: var(--ink); line-height: 1.3; margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 16px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- 产品卡片 ---------- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 26px; }
.product-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: .25s; border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(22,34,46,.14); }
.product-thumb {
  aspect-ratio: 4/3; background: var(--paper-2);
  display: grid; place-items: center; overflow: hidden;
}
.product-thumb svg { width: 55%; height: 55%; }
.product-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-body h3 { font-size: 19px; color: var(--ink); }
.product-body .en { font-size: 12.5px; color: #a8781d; letter-spacing: .8px; }
.product-body p { font-size: 14.5px; color: var(--text-muted); flex: 1; }
.product-body .link { font-size: 14px; color: var(--ink); font-weight: 600; }
.product-body .link:hover { color: var(--amber); }

/* ---------- 优势/流程 ---------- */
.feature-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.feature {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px; transition: .2s;
}
.feature:hover { box-shadow: var(--shadow); border-color: #cfc6b4; }
.feature .num { font-size: 28px; font-weight: 800; color: var(--amber); margin-bottom: 10px; }
.feature h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--text-muted); }

/* ---------- 联系 CTA ---------- */
.cta {
  background: var(--ink); color: #e8e6e0; text-align: center;
  padding: 84px 0; position: relative; overflow: hidden;
}
.cta::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 300px at 50% 0%, rgba(217,154,43,.14), transparent 65%);
  pointer-events: none;
}
.cta h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; margin-bottom: 14px; }
.cta p { color: #b9c4ce; max-width: 560px; margin: 0 auto 32px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0f1923; color: #8fa0ae; padding: 54px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h4 { color: #e8e6e0; font-size: 15px; margin-bottom: 16px; letter-spacing: .5px; }
.footer-grid p, .footer-grid li { font-size: 14px; line-height: 2; }
.footer-grid a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: #66798a;
}

/* ---------- 内页 Hero ---------- */
.page-hero { background: var(--ink); color: #e8e6e0; padding: 64px 0; }
.page-hero h1 { font-size: clamp(26px, 3.4vw, 38px); color: #fff; margin-bottom: 10px; }
.page-hero p { color: #b9c4ce; max-width: 640px; }
.page-hero .crumb { font-size: 13px; color: #8fa0ae; margin-bottom: 14px; }

/* ---------- 产品详情 ---------- */
.product-detail {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start;
}
.product-detail .thumb {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px; display: grid; place-items: center;
}
.product-detail .thumb svg { width: 70%; height: 70%; }
.detail-list { margin: 18px 0 26px; display: grid; gap: 12px; }
.detail-list li { display: flex; gap: 10px; font-size: 15px; color: var(--text); }
.detail-list li::before { content: "✓"; color: var(--ok); font-weight: 700; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 14.5px; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.spec-table th { background: var(--paper-2); color: var(--ink); white-space: nowrap; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.about-grid h3 { font-size: 20px; color: var(--ink); margin: 24px 0 12px; }
.about-grid h3:first-child { margin-top: 0; }
.about-grid p { color: var(--text-muted); font-size: 15px; margin-bottom: 12px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 8px; }
.stat { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; text-align: center; }
.stat b { display: block; font-size: 26px; color: var(--amber); }
.stat span { font-size: 13px; color: var(--text-muted); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-item .ico {
  width: 44px; height: 44px; flex: none; border-radius: 10px;
  background: var(--amber-soft); color: var(--ink);
  display: grid; place-items: center; font-size: 19px;
}
.contact-item h4 { font-size: 15px; color: var(--ink); margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: 15px; color: var(--text); }
.contact-item a:hover { color: var(--amber); }
.inquiry-form {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow);
}
.inquiry-form h3 { font-size: 20px; color: var(--ink); margin-bottom: 6px; }
.inquiry-form .sub { font-size: 14px; color: var(--text-muted); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; color: var(--text-muted); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 15px; font-family: var(--font);
  background: var(--paper); color: var(--text); transition: .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--amber); background: #fff;
  box-shadow: 0 0 0 3px rgba(217,154,43,.15);
}
.form-note { font-size: 12.5px; color: var(--text-muted); margin-top: 10px; }

/* ---------- 移动端 ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--ink); flex-direction: column; gap: 0; padding: 12px 24px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06); width: 100%; }
  .product-detail, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .hero-inner { padding: 76px 0 84px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-meta { gap: 20px; }
}

/* ---------- 信任板块 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.cert-card {
  background: var(--white); border: 1.5px dashed #c9c2b2; border-radius: var(--radius);
  padding: 26px 22px; text-align: center; transition: .2s;
}
.cert-card:hover { border-color: var(--amber); box-shadow: var(--shadow); }
.cert-card .cert-ico { font-size: 30px; margin-bottom: 12px; }
.cert-card h3 { font-size: 16px; color: var(--ink); margin-bottom: 6px; }
.cert-card p { font-size: 13px; color: var(--text-muted); }
.cert-card .pending { display: inline-block; margin-top: 10px; font-size: 12px; color: #a8781d; background: var(--amber-soft); padding: 3px 12px; border-radius: 999px; }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.photo-slot {
  aspect-ratio: 4/3; border: 1.5px dashed #c9c2b2; border-radius: var(--radius);
  background: var(--paper-2); display: grid; place-items: center;
  color: #93a4b3; font-size: 14px; text-align: center; padding: 20px;
}
.photo-slot .ph-ico { font-size: 26px; margin-bottom: 8px; display: block; }

.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.case-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.case-card .case-tag { display: inline-block; font-size: 12px; color: #a8781d; background: var(--amber-soft); padding: 3px 12px; border-radius: 999px; margin-bottom: 12px; }
.case-card h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.case-card p { font-size: 14px; color: var(--text-muted); }

.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; counter-reset: step; }
.process .step {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; position: relative;
}
.process .step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-size: 26px; font-weight: 800; color: var(--amber); display: block; margin-bottom: 8px;
}
.process .step h3 { font-size: 15.5px; color: var(--ink); margin-bottom: 6px; }
.process .step p { font-size: 13px; color: var(--text-muted); }

/* ---------- 合作条款（转化细节） ---------- */
.terms-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; margin-top: 20px;
}
.terms-item {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 16px;
}
.terms-item .t-label { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.terms-item .t-value { font-size: 15px; font-weight: 700; color: var(--ink); }
.terms-note { font-size: 12.5px; color: var(--text-muted); margin-top: 12px; }

/* 实拍图片卡片 */
.photo-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.photo-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.photo-card figcaption {
  padding: 10px 14px; font-size: 13px; color: var(--text-muted); text-align: center;
}

/* Hero 背景图署名 */
.hero-credit { font-size: 12px; color: #8fa0ae; }
.hero-credit a { color: #93a4b3; }
.hero-credit a:hover { color: var(--amber); }

/* ---------- 深色 banner 背景图（对应内容） ---------- */
.page-hero.banner-products {
  background:
    linear-gradient(rgba(22, 34, 46, .82), rgba(22, 34, 46, .62)),
    url("../images/banner-products.jpg") center 40% / cover no-repeat;
}
.page-hero.banner-about {
  background:
    linear-gradient(rgba(22, 34, 46, .82), rgba(22, 34, 46, .62)),
    url("../images/banner-about.jpg") center 35% / cover no-repeat;
}
.page-hero.banner-contact {
  background:
    linear-gradient(rgba(22, 34, 46, .82), rgba(22, 34, 46, .62)),
    url("../images/banner-contact.jpg") center 35% / cover no-repeat;
}
.cta.banner-cta {
  background:
    linear-gradient(rgba(22, 34, 46, .8), rgba(22, 34, 46, .66)),
    url("../images/cta-bg.jpg") center 30% / cover no-repeat;
}

/* 真实产品图填满卡片 */
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-detail .thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: calc(var(--radius) - 2px); }

/* 联系页地图 */
.coords { font-size: 13.5px; color: var(--text-muted); margin-top: 4px; }
.map-wrap {
  margin-top: 12px; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; line-height: 0; background: var(--paper-2);
}
.map-wrap img { width: 100%; height: auto; display: block; }
@media (max-width: 560px) {
  .map-wrap img { height: auto; }
}

/* 可交互地图（Leaflet 自托管） */
.map-wrap #map { width: 100%; height: 320px; background: #e8e4da; }
.tage-marker .pin {
  width: 18px; height: 18px; border-radius: 50%;
  background: #b01d2f; border: 3px solid #fff;
  box-shadow: 0 1px 6px rgba(0, 0, 0, .35);
}
@media (max-width: 560px) {
  .map-wrap #map { height: 260px; }
}

/* 核心团队 */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; margin-top: 8px; }
.team-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 24px; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.team-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(22, 34, 46, .10); }
.team-photo {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--ink); color: #fff; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.team-photo span { font-size: 32px; font-weight: 700; letter-spacing: 1px; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 2px; }
.team-role { font-size: 13px; color: var(--amber); letter-spacing: .5px; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* 品牌墙（客户案例 logo） */
.brand-wall {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: center; align-items: center; margin: 14px 0 6px;
}
.brand-wall img {
  height: 46px; width: auto; max-width: 130px;
  object-fit: contain; opacity: .9; transition: opacity .2s;
}
.brand-wall img:hover { opacity: 1; }