/* =========================================================
   启东（上海）招商服务中心 · 共享样式
   自包含 · 零外链 · 移动端优先响应式
   主色：江海蓝 #0f2e5e  辅色：暖金 #c8901f  强调：红 #c0392b
   ========================================================= */

:root {
  --navy: #0f2e5e;
  --navy-2: #163d7a;
  --navy-deep: #0a2147;
  --cyan: #1f7fae;
  --gold: #c8901f;
  --gold-light: #e0a93a;
  --red: #c0392b;
  --ink: #1d2733;
  --muted: #5a6675;
  --line: #e4e8ee;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-navy-soft: #eef2f8;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(15, 46, 94, 0.08);
  --shadow-lg: 0 14px 44px rgba(15, 46, 94, 0.14);
  --maxw: 1180px;
  --readw: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--navy); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand .logo-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--navy), var(--cyan));
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 1rem;
}
.brand small { display: block; font-size: 0.66rem; font-weight: 500; color: var(--muted); letter-spacing: 0.04em; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 8px 13px; border-radius: 8px;
  color: var(--ink); font-size: 0.92rem; font-weight: 500;
}
.nav-links a:hover { background: var(--bg-navy-soft); color: var(--navy); text-decoration: none; }
.nav-links a.active { color: var(--navy); font-weight: 700; }
.nav-cta {
  margin-left: 8px;
  background: var(--gold); color: #fff !important; font-weight: 700 !important;
}
.nav-cta:hover { background: var(--gold-light) !important; }

.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff;
  width: 44px; height: 40px; border-radius: 9px; cursor: pointer;
  align-items: center; justify-content: center; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--navy);
  position: relative; transition: 0.25s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 70px 0; }
.section.soft { background: var(--bg-soft); }
.section.navy {
  background: linear-gradient(160deg, var(--navy-deep), var(--navy) 60%, var(--cyan));
  color: #fff;
}
.section.navy h2, .section.navy h3 { color: #fff; }
.section.navy p { color: #d7e2f2; }

.section-head { max-width: 820px; margin: 0 auto 42px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gold);
  background: rgba(200, 144, 31, 0.1); padding: 4px 12px; border-radius: 20px; margin-bottom: 14px;
}
.section.navy .eyebrow { color: var(--gold-light); background: rgba(224, 169, 58, 0.16); }

h1, h2, h3, h4 { line-height: 1.3; color: var(--navy); margin: 0 0 0.5em; letter-spacing: 0.01em; }
h1 { font-size: clamp(1.9rem, 5vw, 3.1rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
.lead { font-size: 1.08rem; color: var(--muted); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 13px 24px; border-radius: 12px; font-size: 1rem; font-weight: 700;
  border: 1px solid transparent; transition: 0.18s; text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--gold); color: #fff; box-shadow: 0 6px 18px rgba(200, 144, 31, 0.3); }
.btn-primary:hover { background: var(--gold-light); }
.btn-ghost { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--bg-navy-soft); }
.btn-sm { padding: 9px 16px; font-size: 0.9rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(120deg, rgba(11,33,64,0.92) 0%, rgba(15,46,94,0.82) 42%, rgba(19,75,110,0.62) 100%),
    url("img/hero.jpg") center 32% / cover no-repeat,
    linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 45%, #134b6e 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: 0.45;
  background-image:
    radial-gradient(circle at 82% 12%, rgba(200, 144, 31, 0.30), transparent 40%),
    linear-gradient(transparent 96%, rgba(255,255,255,0.05) 96%);
  background-size: auto, 100% 38px;
}

/* ---------------- 板块背景图（深色遮罩保证文字可读） ---------------- */
.section.bg-img { position: relative; background-color: var(--navy-deep); }
.section.bg-img > .wrap { position: relative; z-index: 1; }
.section.bg-img::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; opacity: 0.16;
}
.section.bg-img.navy::before { opacity: 0.22; }
.section.bg-industries::before { background-image: url("img/industries.jpg"); }
.section.bg-cases::before { background-image: url("img/cases.jpg"); }
.section.bg-policy::before { background-image: url("img/policy.jpg"); }
.section.bg-service::before { background-image: url("img/service.jpg"); }
.section.bg-contact::before { background-image: url("img/contact.jpg"); }

/* CTA「我们帮你算一笔账」区：加深背景遮罩 + 文字提亮，保证可读 */
#contact.bg-img { background-color: #0b1f3c; }
#contact.bg-img::before { opacity: 0.10; }
#contact .cta-split > div:first-child .eyebrow { color: var(--gold-light); background: rgba(224,169,58,0.18); }
#contact .cta-split > div:first-child h2 { color: #fff; }
#contact .cta-split > div:first-child .lead { color: #e3ebf7; }
#contact .cta-split > div:first-child .lead strong { color: #fff; }
#contact .cta-list { line-height: 2; color: #d7e2f2; padding-left: 1.2em; margin-top: 14px; }
#contact .cta-list li { color: #e3ebf7; }

/* CTA 标题：单行、适当缩小 */
.cta-title { font-size: clamp(1.7rem, 4.2vw, 2.4rem); white-space: nowrap; }
@media (max-width: 560px) { .cta-title { white-space: normal; } }
.hero-inner { position: relative; padding: 86px 0 78px; max-width: 880px; }
.hero h1 { color: #fff; max-width: 14em; }
.hero .hero-sub { font-size: 1.18rem; color: #d9e4f4; margin: 18px 0 0; max-width: 40em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 34px; color: #c4d4ea; font-size: 0.92rem; }
.hero-badges span { display: inline-flex; align-items: center; gap: 7px; }
.hero-badges .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-light); }

.page-hero { padding: 64px 0 54px; }
.page-hero h1 { max-width: 16em; }
.page-hero .hero-sub { font-size: 1.1rem; }
/* 子页 Hero 各自主题背景图 */
.page-hero.ph-industries { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/industries.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-cases { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/cases.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-policy { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/policy.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-service { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/service.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-contact { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/contact.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-resources { background-image: linear-gradient(120deg, rgba(11,33,64,0.90), rgba(15,46,94,0.78)), url("img/service.jpg"); background-size: cover; background-position: center; }
.page-hero.ph-why { background-image: linear-gradient(120deg, rgba(11,33,64,0.88), rgba(15,46,94,0.72)), url("img/hero.jpg"); background-size: cover; background-position: center 32%; }

/* ---------------- 网格 / 卡片 ---------------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow); transition: 0.2s;
}
.card.hoverable:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #cdd8e8; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0 0 12px; }
.card .icon {
  width: 50px; height: 50px; border-radius: 12px; margin-bottom: 16px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: var(--bg-navy-soft); color: var(--navy);
}
.tag {
  display: inline-block; font-size: 0.74rem; font-weight: 700; padding: 3px 10px;
  border-radius: 20px; background: var(--bg-navy-soft); color: var(--navy); margin: 0 6px 6px 0;
}
.tag.gold { background: rgba(200, 144, 31, 0.14); color: #9a6c10; }
.tag.red { background: rgba(192, 57, 43, 0.1); color: var(--red); }
.tag.green { background: rgba(31, 140, 90, 0.12); color: #1f8c5a; }

/* ---------------- 数据卡 ---------------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius); padding: 26px 22px; text-align: center;
}
.stat .num { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; color: #fff; line-height: 1.1; }
.stat .num em { font-style: normal; font-size: 0.5em; font-weight: 700; color: var(--gold-light); }
.stat .label { color: #c4d4ea; font-size: 0.92rem; margin-top: 8px; }
.stat .src { color: #8ea4c4; font-size: 0.7rem; margin-top: 6px; }

/* 浅色数据卡（页面内） */
.stat.light { background: #fff; border-color: var(--line); box-shadow: var(--shadow); }
.stat.light .num { color: var(--navy); }
.stat.light .num em { color: var(--gold); }
.stat.light .label { color: var(--muted); }
.stat.light .src { color: #9aa6b4; }

/* ---------------- Logo 墙 ---------------- */
.logo-group { margin-bottom: 34px; }
.logo-group h3 { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; margin-bottom: 16px; }
.logo-group h3 .bar { width: 4px; height: 20px; background: var(--gold); border-radius: 3px; }
.logo-wall { display: flex; flex-wrap: wrap; gap: 12px; }
.logo-chip {
  display: flex; flex-direction: column; justify-content: center;
  min-width: 150px; flex: 1 1 150px; max-width: 220px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; transition: 0.18s;
}
.logo-chip:hover { border-color: var(--navy); box-shadow: var(--shadow); transform: translateY(-2px); }
.logo-chip .name { font-weight: 800; color: var(--navy); font-size: 0.98rem; line-height: 1.35; }
.logo-chip .meta { font-size: 0.74rem; color: var(--muted); margin-top: 3px; }
.logo-chip .code { font-size: 0.7rem; color: var(--gold); font-weight: 600; }
/* 后续替换为官方 logo 图：在 .logo-chip 内放 <img class="logo-img"> 即可 */

/* ---------------- 案例卡 ---------------- */
.case-card { display: flex; flex-direction: column; }
.case-card .case-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.case-card .invest { font-weight: 900; color: var(--red); font-size: 1.15rem; white-space: nowrap; }
.case-card .result { color: var(--ink); font-weight: 600; margin: 10px 0; }
.case-card .why { font-size: 0.92rem; color: var(--muted); }
.case-card .why strong { color: var(--navy); font-weight: 700; }

/* ---------------- 流程 ---------------- */
.flow { display: flex; flex-wrap: wrap; gap: 14px; align-items: stretch; counter-reset: step; }
.flow-step {
  flex: 1 1 160px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius); padding: 22px 18px; position: relative; min-width: 150px;
}
.flow-step .step-no {
  width: 34px; height: 34px; border-radius: 50%; background: var(--gold); color: #fff;
  display: grid; place-items: center; font-weight: 900; margin-bottom: 12px;
}
.flow-step h4 { color: #fff; margin: 0 0 6px; font-size: 1.02rem; }
.flow-step p { color: #c4d4ea; font-size: 0.86rem; margin: 0; }

/* ---------------- 内容文章排版 ---------------- */
.prose { max-width: var(--readw); }
.prose p { margin: 0 0 1.1rem; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.1rem; }
.prose li { margin-bottom: 0.5em; }
.prose blockquote {
  border-left: 4px solid var(--gold); background: var(--bg-soft);
  margin: 1.2rem 0; padding: 14px 20px; border-radius: 0 10px 10px 0; color: var(--muted);
}

/* 政策卡 */
.policy-card { border-top: 4px solid var(--gold); }
.policy-card .big { font-size: 1.6rem; font-weight: 900; color: var(--red); display: block; line-height: 1.2; }
.policy-card .note { font-size: 0.76rem; color: #9aa6b4; margin-top: 12px; font-style: italic; }
.policy-soft { background: linear-gradient(150deg, var(--navy), var(--cyan)); color: #fff; border-radius: var(--radius); padding: 30px; }
.policy-soft h3 { color: #fff; }
.policy-soft p { color: #d7e2f2; }

/* 新闻列表 */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-item {
  display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--line);
}
.news-item:last-child { border-bottom: none; }
.news-item .date { flex: none; width: 96px; color: var(--gold); font-weight: 700; font-size: 0.84rem; padding-top: 2px; }
.news-item .body { flex: 1; }
.news-item .title { font-weight: 700; color: var(--navy); display: inline; }
.news-item a.title:hover { color: var(--cyan); }
.news-item .src { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }
.news-item .summary { font-size: 0.9rem; color: var(--muted); margin-top: 6px; }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.tbl th, .tbl td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.tbl th { background: var(--bg-navy-soft); color: var(--navy); font-weight: 700; }
.tbl tr:hover td { background: var(--bg-soft); }

/* ---------------- 表单 ---------------- */
.form-card {
  background: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-lg);
}
.form-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.form-tab {
  padding: 9px 16px; border-radius: 30px; border: 1px solid var(--line); background: #fff;
  font-size: 0.9rem; font-weight: 600; color: var(--muted); cursor: pointer; transition: 0.16s;
}
.form-tab.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.form-row { margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label.fl { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--ink); }
label.fl .req { color: var(--red); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; color: var(--ink); background: #fff; transition: 0.16s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(31, 127, 174, 0.14);
}
.form-row textarea { min-height: 92px; resize: vertical; }
/* 蜜罐：对正常用户隐藏 */
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form-msg { margin-top: 14px; padding: 12px 16px; border-radius: 10px; font-size: 0.92rem; display: none; }
.form-msg.ok { display: block; background: rgba(31, 140, 90, 0.1); color: #1f8c5a; border: 1px solid rgba(31,140,90,0.3); }
.form-msg.err { display: block; background: rgba(192, 57, 43, 0.08); color: var(--red); border: 1px solid rgba(192,57,43,0.3); }
.form-privacy { font-size: 0.78rem; color: #9aa6b4; margin-top: 12px; }

/* CTA 区块（含表单） */
.cta-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--navy-deep); color: #c0cde0; padding: 54px 0 28px; font-size: 0.92rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 30px; }
.footer-grid a { color: #c0cde0; }
.footer-grid a:hover { color: #fff; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-brand .logo-mark { width: 38px; height: 38px; font-size: 1.1rem; }
.footer-brand p { color: #93a6c4; margin: 14px 0 0; max-width: 30em; font-size: 0.88rem; }
.footer-contact-line { display: flex; gap: 8px; margin-bottom: 8px; color: #c0cde0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); margin-top: 36px; padding-top: 20px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: #7e93b4; font-size: 0.82rem;
}

/* ---------------- 悬浮咨询 ---------------- */
.float-cta {
  position: fixed; right: 18px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}
.float-cta a {
  display: inline-flex; align-items: center; gap: 8px; background: var(--gold); color: #fff;
  padding: 12px 18px; border-radius: 30px; font-weight: 700; font-size: 0.92rem;
  box-shadow: var(--shadow-lg);
}
.float-cta a.alt { background: var(--navy); }
.float-cta a:hover { text-decoration: none; filter: brightness(1.06); }

/* ---------------- 工具类 ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--muted); }
.divider { height: 1px; background: var(--line); border: none; margin: 40px 0; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-split { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 16px;
    box-shadow: var(--shadow); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-cta { margin: 6px 0 0; text-align: center; }
}

@media (max-width: 680px) {
  .section { padding: 50px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 60px 0 54px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .news-item { flex-direction: column; gap: 4px; }
  .news-item .date { width: auto; }
  .float-cta a span.txt { display: none; }
  .float-cta a { padding: 12px; border-radius: 50%; }
}