/* ============ 基础 ============ */
:root {
  --red: #b01f24;
  --red-deep: #8c161b;
  --red-dark: #6e1013;
  --gold: #d8a94e;
  --gold-soft: #e8c98a;
  --ink: #2b2b2b;
  --ink-soft: #5c5c5c;
  --bg: #f7f5f1;
  --bg-card: #ffffff;
  --line: #e8e2d8;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.75; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, 92%); margin: 0 auto; }
.mt { margin-top: 72px; }

/* ============ 首屏 ============ */
.hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(96,12,15,.94) 0%, rgba(140,22,27,.86) 45%, rgba(110,16,19,.72) 100%),
    url("../images/hero-bg.jpg") center/cover no-repeat;
  color: #fff;
  padding: 110px 0 120px;
}
.hero-kicker {
  display: inline-block; font-size: 14px; letter-spacing: 4px;
  color: var(--gold-soft); border: 1px solid rgba(216,169,78,.55);
  padding: 6px 16px; border-radius: 2px; margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 62px);
  letter-spacing: 6px; font-weight: 700; margin-bottom: 18px;
}
.hero-slogan {
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--gold-soft); letter-spacing: 3px; margin-bottom: 22px;
}
.hero-desc { max-width: 680px; color: rgba(255,255,255,.88); font-size: 16px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 34px; font-size: 16px; border-radius: 3px; transition: .2s; }
.btn-primary { background: var(--gold); color: #5c0d10; font-weight: 600; }
.btn-primary:hover { background: #e3ba67; }
.btn-ghost { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ============ 通用 Section ============ */
.section { padding: 88px 0; }
.section-alt { background: #fff; }
.section-dark { background: linear-gradient(180deg, #7e1216 0%, #6e1013 100%); color: #fff; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: 4px; color: var(--red-dark);
  display: inline-block; padding-bottom: 14px; position: relative;
}
.section-head.light h2 { color: #fff; }
.section-head h2::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 0; width: 56px; height: 3px; background: var(--gold);
}
.section-sub { margin-top: 14px; color: var(--ink-soft); font-size: 15px; }
.section-head.light .section-sub { color: rgba(255,255,255,.75); }

/* ============ 概述 ============ */
.overview-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.overview-text h3, .overview-side h3 {
  font-family: var(--serif); font-size: 20px; color: var(--red-dark);
  letter-spacing: 2px; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--gold);
}
.overview-text p { margin-bottom: 16px; color: var(--ink-soft); }
.overview-text strong { color: var(--red-dark); }
.policy-list {
  background: #fdf9f0; border: 1px solid #efe3c8; border-radius: 6px;
  padding: 20px 22px; margin-top: 8px;
}
.policy-tag {
  display: inline-block; font-size: 13px; color: #8a6a25;
  background: #f3e6c6; border-radius: 3px; padding: 2px 10px; margin-bottom: 10px;
}
.policy-list ul { list-style: none; }
.policy-list li { font-size: 14px; color: var(--ink-soft); padding: 4px 0 4px 18px; position: relative; }
.policy-list li::before { content: ""; position: absolute; left: 0; top: 13px; width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }

.user-cards { display: grid; gap: 14px; }
.user-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 6px;
  padding: 18px 20px; display: grid; grid-template-columns: 48px 1fr; gap: 6px 14px; align-items: center;
}
.user-card .user-ico {
  grid-row: span 2; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, #f6e3c2, var(--gold));
  color: #6e1013; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center; font-family: var(--serif);
}
.user-card b { color: var(--red-dark); }
.user-card p { grid-column: 2; font-size: 13px; color: var(--ink-soft); line-height: 1.6; }

/* ============ 痛点 ============ */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain-card {
  background: var(--bg-card); border: 1px solid var(--line); border-top: 3px solid var(--red);
  border-radius: 6px; padding: 26px 24px;
}
.pain-card h4 { font-size: 17px; color: var(--ink); margin-bottom: 10px; }
.pain-card p { font-size: 14px; color: var(--ink-soft); }
.pain-answer {
  margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line);
  color: var(--red-dark) !important;
}
.pain-answer::before { content: "平台方案："; font-weight: 600; }

/* ============ 五型党建 ============ */
.wuxing { margin-top: 72px; }
.wuxing-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.wx-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 6px;
  padding: 24px 18px; text-align: center; transition: .25s;
}
.wx-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(110,16,19,.12); }
.wx-num { font-family: var(--serif); font-size: 26px; color: var(--gold); font-weight: 700; }
.wx-card h4 { font-family: var(--serif); font-size: 19px; color: var(--red-dark); margin: 8px 0 10px; letter-spacing: 2px; }
.wx-card p { font-size: 13px; color: var(--ink-soft); text-align: justify; }

/* ============ 平台功能 ============ */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plat-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; padding: 26px 24px; transition: .25s;
}
.plat-card:hover { background: rgba(255,255,255,.12); }
.plat-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.plat-ico {
  width: 42px; height: 42px; border-radius: 4px; flex: none;
  background: var(--gold); color: #6e1013; font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center; font-family: var(--serif);
}
.plat-card h3 { font-size: 18px; letter-spacing: 1px; }
.plat-card p { font-size: 14px; color: rgba(255,255,255,.78); }
.plat-card:nth-child(4), .plat-card:nth-child(5) { grid-column: span 3; }
.plat-grid { grid-template-columns: repeat(6, 1fr); }
.plat-card { grid-column: span 2; }

/* 功能模块明细 */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.module-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; padding: 22px 22px;
}
.module-card h4 {
  font-size: 16px; color: var(--gold-soft); margin-bottom: 10px;
  padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.14); letter-spacing: 1px;
}
.module-card p { font-size: 13.5px; color: rgba(255,255,255,.72); line-height: 1.9; }

/* 界面展示 */
.shot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shot {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; overflow: hidden;
}
.shot img { width: 100%; height: 240px; object-fit: cover; object-position: top center; }
.shot figcaption {
  font-size: 13px; color: rgba(255,255,255,.75);
  padding: 12px 16px; background: rgba(0,0,0,.18);
}
.shot-wide { grid-column: span 2; }
.shot-wide img { height: 240px; }
.shot-mobile img { object-fit: contain; object-position: center; background: rgba(0,0,0,.35); height: 240px; }

/* ============ 方案特色 ============ */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-bottom: 56px; }
.feature-item {
  background: var(--bg-card); border: 1px solid var(--line); border-left: 4px solid var(--gold);
  border-radius: 6px; padding: 28px 28px;
}
.feature-item h3 { font-family: var(--serif); font-size: 19px; color: var(--red-dark); margin-bottom: 12px; letter-spacing: 1px; }
.feature-item p { font-size: 14.5px; color: var(--ink-soft); }

.xinchuang { margin-bottom: 56px; }
.xinchuang h3 {
  font-family: var(--serif); font-size: 20px; color: var(--red-dark);
  letter-spacing: 2px; margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--gold);
}
.table-wrap { overflow-x: auto; background: var(--bg-card); border: 1px solid var(--line); border-radius: 6px; }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { padding: 14px 22px; text-align: left; font-size: 14.5px; }
thead th { background: var(--red-dark); color: #fff; font-weight: 600; letter-spacing: 1px; }
tbody tr { border-top: 1px solid var(--line); }
tbody tr:nth-child(even) { background: #faf7f2; }
td:first-child { color: var(--red-dark); font-weight: 600; width: 140px; }

.terminal-band {
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 6px; padding: 20px 26px;
}
.tb-label { font-weight: 700; color: var(--red-dark); margin-right: 8px; }
.terminal-band span:not(.tb-label) { font-size: 14.5px; color: var(--ink-soft); }
.terminal-band i { width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }

/* ============ 案例 ============ */
.case-list { display: grid; gap: 26px; }
.case-card {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
.case-card.reverse .case-img { order: 2; }
.case-img { min-height: 260px; background: #efe9df; }
.case-img img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case-body { padding: 34px 36px; display: flex; flex-direction: column; justify-content: center; }
.case-body h3 {
  font-family: var(--serif); font-size: 21px; color: var(--red-dark);
  letter-spacing: 1px; margin-bottom: 14px;
}
.case-body h3::after { content: ""; display: block; width: 40px; height: 3px; background: var(--gold); margin-top: 10px; }
.case-body p { font-size: 14.5px; color: var(--ink-soft); }

.case-more {
  margin-top: 30px; background: #fdf9f0; border: 1px solid #efe3c8; border-radius: 6px;
  padding: 20px 26px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.case-card.case-plain { grid-template-columns: 1fr; border-left: 4px solid var(--gold); }
.case-more span { font-weight: 700; color: #8a6a25; font-size: 15px; }
.case-more ul { list-style: none; display: flex; gap: 34px; flex-wrap: wrap; }
.case-more li { font-size: 14.5px; color: var(--ink-soft); position: relative; padding-left: 16px; }
.case-more li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }

/* ============ 联系 ============ */
.contact { background: linear-gradient(115deg, #6e1013 0%, #8c161b 60%, #7e1216 100%); color: #fff; }
.contact-inner { text-align: center; }
.contact h2 { font-family: var(--serif); font-size: clamp(26px, 3.4vw, 34px); letter-spacing: 4px; }
.contact-sub { margin: 16px 0 40px; color: rgba(255,255,255,.78); font-size: 15px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-item {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  border-radius: 6px; padding: 26px 20px; display: grid; gap: 8px;
}
.ci-label { font-size: 13px; letter-spacing: 3px; color: var(--gold-soft); }
.contact-item a, .contact-item span:last-child { font-size: 16.5px; }
.contact-item a:hover { color: var(--gold-soft); }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .overview-grid, .feature-grid { grid-template-columns: 1fr; }
  .pain-grid, .module-grid { grid-template-columns: repeat(2, 1fr); }
  .wuxing-grid { grid-template-columns: repeat(3, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-card { grid-column: span 1; }
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .shot-wide { grid-column: span 2; }
  .case-card, .case-card.reverse { grid-template-columns: 1fr; }
  .case-card.reverse .case-img { order: 0; }
  .case-img { min-height: 220px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 80px 0; }
  .pain-grid, .module-grid, .wuxing-grid, .shot-grid, .plat-grid { grid-template-columns: 1fr; }
  .shot-wide { grid-column: span 1; }
}