/* ============================================================
   杭州起点通信技术有限公司 官网样式
   风格：简约大气 / 响应式 / 深蓝科技调
   ============================================================ */

:root {
  --primary: #0b2e59;          /* 深海军蓝 */
  --primary-light: #15407a;
  --primary-soft: #1e5bb8;
  --accent: #2f8fe0;           /* 科技蓝 */
  --accent-2: #14b8a6;         /* 点缀青绿 */
  --bg: #ffffff;
  --bg-soft: #f4f8fd;
  --bg-deep: #081f3d;
  --text: #1f2a37;
  --text-light: #5b6b7f;
  --border: #e4ebf3;
  --shadow-sm: 0 2px 10px rgba(11, 46, 89, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 46, 89, 0.10);
  --shadow-lg: 0 24px 60px rgba(11, 46, 89, 0.16);
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1200px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hero-start: #081f3d;
  --hero-end: #123a72;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, 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(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--primary-soft));
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 143, 224, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(47, 143, 224, 0.36);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); }
.btn-outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--primary-soft);
}
.btn-outline:hover { background: var(--accent); color: #fff; }
/* 动态蓝色「预约咨询」按钮：流动渐变 + hover 增强 */
.btn-book {
  background: linear-gradient(120deg, #2f8fe0, #0b2e59, #2f8fe0, #0b2e59);
  background-size: 300% 100%;
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 143, 224, 0.32);
  animation: btnFlow 4s linear infinite;
}
.btn-book:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(47, 143, 224, 0.45);
  animation-duration: 1.6s;
}
@keyframes btnFlow {
  0% { background-position: 0% 0; }
  100% { background-position: 300% 0; }
}

/* ---------------- 导航 ---------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  z-index: 100;
  background: rgba(255, 255, 255, 0);
  transition: all 0.35s var(--ease);
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: var(--shadow-sm);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  transition: color 0.35s var(--ease);
}
.nav.scrolled .brand { color: var(--primary); }
.brand .logo {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--primary-soft));
  display: grid; place-items: center;
  color: #fff; font-size: 18px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(47,143,224,0.35);
}
/* 上传 Logo：白底圆角容器，确保深色导航上始终可见 */
.brand-logo {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 5px 9px; background: #fff;
  border: 1px solid rgba(0,0,0,0.06); border-radius: 9px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.brand-logo img { height: 28px; width: auto; max-width: 150px; object-fit: contain; display: block; }
.brand small { display: block; font-size: 11px; font-weight: 500; opacity: 0.8; }
.brand-name { color: #fff; font-size: 17px; font-weight: 800; white-space: nowrap; }
.nav.scrolled .brand-name { color: var(--primary); }
.nav-cta .brand-name { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
  transition: color 0.3s var(--ease);
}
.nav.scrolled .nav-links a { color: var(--text-light); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -7px;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--primary-soft); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
/* 导航栏联系电话（后台站点设置可编辑，全站同步） */
.nav-phone { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-weight: 600; font-size: 14px; text-decoration: none; padding: 7px 13px; border-radius: 999px; background: rgba(255,255,255,0.14); transition: .25s var(--ease); }
.nav-phone:hover { background: rgba(255,255,255,0.26); }
.nav-phone svg { width: 15px; height: 15px; }
.nav.scrolled .nav-phone { color: var(--primary); background: rgba(47,143,224,0.1); }
.nav.scrolled .nav-phone:hover { background: rgba(47,143,224,0.18); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: 0.3s; }
.nav.scrolled .nav-toggle span { background: var(--primary); }

/* 导航下拉（产品服务 → 分类版块） */
.nav-item.has-dropdown { position: relative; }
.nav-item.has-dropdown > a { display: inline-flex; align-items: center; gap: 5px; }
.nav-item.has-dropdown .caret {
  width: 0; height: 0; margin-top: 2px;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; opacity: 0.8; transition: transform .2s var(--ease);
}
.nav-item.has-dropdown:hover .caret,
.nav-item.has-dropdown:focus-within .caret { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  min-width: 200px; background: #fff; border-radius: 12px; padding: 8px;
  box-shadow: 0 18px 40px rgba(15,40,75,0.16); opacity: 0; visibility: hidden;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
/* 透明桥接：覆盖“触发文字 ↔ 下拉菜单”之间的 10px 间隙，使其纳入下拉的 hover 区域。
   修复经典 hover-gap —— 否则鼠标移到菜单途中经过空隙会丢失 :hover，下拉消失、难以点中。
   对“加入我们”“解决方案”等所有导航下拉同时生效。 */
.nav-dropdown::before {
  content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px;
}
.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown:focus-within .nav-dropdown { opacity: 1; visibility: visible; }
.nav-dropdown a {
  display: block; padding: 11px 16px; border-radius: 8px; white-space: nowrap;
  color: var(--primary); font-size: 14px; font-weight: 500; text-decoration: none;
}
.nav-dropdown a:hover { background: var(--bg-soft); color: var(--accent); }
.nav-dropdown a.active { color: var(--primary); background: rgba(0, 120, 212, 0.08); font-weight: 600; }
.nav-dropdown a.active:hover { color: var(--accent); }
.nav-dropdown a::after { display: none; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(47,143,224,0.35), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(20,184,166,0.18), transparent 55%),
    linear-gradient(160deg, var(--hero-start), var(--hero-end));
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 75%);
}
.hero-grid-overlay {
  position: absolute; right: -120px; top: 50%; transform: translateY(-50%);
  width: 620px; height: 620px; opacity: 0.5; pointer-events: none; z-index: 1;
}
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slides::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,31,61,0.50), rgba(8,31,61,0.30) 45%, rgba(8,31,61,0.72)); pointer-events: none; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.1s ease-in-out; }
.hero-slide.active { opacity: 1; }
.hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 720px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  font-size: 13px; letter-spacing: 0.5px;
  margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, #6cc0ff, #2f8fe0);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255,255,255,0.82);
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 48px; margin-top: 64px; flex-wrap: wrap;
}
.hero-stats .stat .num {
  font-size: 34px; font-weight: 800;
  background: linear-gradient(120deg,#fff,#bcd9f5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats .stat .label { font-size: 13px; color: rgba(255,255,255,0.65); letter-spacing: 0.5px; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,0.6); font-size: 12px; letter-spacing: 2px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-hint .mouse { width: 22px; height: 36px; border: 1.5px solid rgba(255,255,255,0.5); border-radius: 12px; position: relative; }
.scroll-hint .mouse::after { content:""; position:absolute; left:50%; top:7px; transform:translateX(-50%); width:3px; height:7px; background:#fff; border-radius:2px; animation: scrolldot 1.6s infinite; }
@keyframes scrolldot { 0%{opacity:0;transform:translate(-50%,0)} 40%{opacity:1} 100%{opacity:0;transform:translate(-50%,12px)} }

/* ---------------- 区块通用 ---------------- */
section { padding: 104px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; color: var(--primary);
  line-height: 1.3; letter-spacing: 0.5px;
}
.section-head p { margin-top: 16px; color: var(--text-light); font-size: 16px; }

.bg-soft { background: var(--bg-soft); }
.bg-deep { background: linear-gradient(160deg, #081f3d, #0b2e59); color: #fff; }

/* ---------------- 业务卡片 ---------------- */
.cards { display: grid; gap: 26px; }
.cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.card .ic {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(47,143,224,0.12), rgba(20,184,166,0.12));
  color: var(--primary-soft);
}
.card .ic svg { width: 30px; height: 30px; }
.card .ic .icon-img { width:32px; height:32px; object-fit:contain; display:block; }
/* 内容模块卡片顶部图标（含自定义上传图） */
.card .bc-ic { margin-bottom:16px; color:var(--primary-soft); }
.card .bc-ic .icon-img { width:30px; height:30px; object-fit:contain; display:block; }
.card h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.card p { color: var(--text-light); font-size: 15px; }
.card .more { display:inline-flex; align-items:center; gap:6px; margin-top:18px; color:var(--accent); font-weight:600; font-size:14px; }
.card .more svg { width:16px; height:16px; transition: transform .3s var(--ease); }
.card:hover .more svg { transform: translateX(4px); }

/* ---------------- 解决方案瀑布流（masonry） ---------------- */
.solution-list {
  column-count: 3;
  column-gap: 26px;
}
.solution-card {
  display: block;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  margin: 0 0 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
/* 进入动画只做淡入，避免 translate 影响瀑布流分栏 */
.solution-card.reveal { transform: none; }
.sol-cover {
  position: relative;
  height: 168px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0b2e59, #2f8fe0);
}
.sol-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease);
}
.solution-card:hover .sol-cover img { transform: scale(1.05); }
/* 无封面时用图标占位：图标固定尺寸，避免 SVG 被拉伸到满宽 */
.sol-cover-ph { background: linear-gradient(135deg, rgba(47,143,224,0.10), rgba(20,184,166,0.10)); }
.sol-cover-ph svg,
.sol-cover-ph .icon-img {
  width: 60px;
  height: 60px;
  color: var(--primary-soft);
}
.sol-body { padding: 24px 26px 26px; }
.sol-industry {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(47,143,224,0.10);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.sol-body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
.sol-tagline { color: var(--text-light); font-size: 14.5px; margin-bottom: 16px; }
.sol-body .more { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: 14px; }
.sol-body .more svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.solution-card:hover .sol-body .more svg { transform: translateX(4px); }
@media (max-width: 980px) { .solution-list { column-count: 2; } }
@media (max-width: 720px) { .solution-list { column-count: 1; } }

/* 分类版块：每个分类独立成区，版块之间留出间距 */
/* 解决方案分类版块：每个分类独立成区，版块自身内边距统一 */
.section-solutions { padding: 0; }
.sol-cat { padding: 60px 0 5px; margin-bottom: 56px; scroll-margin-top: 90px; }
.sol-cat:last-child { margin-bottom: 0; }
.sol-cat .section-head { margin-bottom: 45px; }
@media (max-width: 720px) { .section-solutions { padding: 0; } .sol-cat { padding: 42px 0 5px; margin-bottom: 40px; } .sol-cat .section-head { margin-bottom: 30px; } }

/* ---------------- 解决方案详情页 ---------------- */
.solution-detail { max-width: 900px; margin: 0 auto; }
/* 封面图：限制高度，避免大图占用过多篇幅 */
.solution-cover { margin-bottom: 46px; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm); background: var(--bg-soft); }
.solution-cover img { display: block; width: 100%; height: 340px; object-fit: cover; }
.solution-cover svg, .solution-cover .icon-img { display: block; width: 100%; height: 340px; object-fit: contain; padding: 48px; box-sizing: border-box; }
.sd-section { margin-bottom: 46px; }
.sd-section .eyebrow { margin-bottom: 12px; }
.sd-section h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--primary); margin-bottom: 18px; line-height: 1.3; }
.sd-section > p { color: var(--text); font-size: 16px; line-height: 1.9; }
.bg-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 32px; }
.sd-list, .sd-checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.sd-list li { position: relative; padding-left: 26px; color: var(--text); font-size: 16px; line-height: 1.7; }
.sd-list .sd-dot { position: absolute; left: 2px; top: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.sd-checklist li { position: relative; padding-left: 36px; color: var(--text); font-size: 16px; line-height: 1.7; }
.sd-checklist .sd-check { position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: rgba(47,143,224,0.12); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; }
.sd-checklist .sd-check svg { width: 13px; height: 13px; }
.sd-cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.sd-case { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; transition: .3s var(--ease); }
.sd-case:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.sd-case-name { font-weight: 700; color: var(--primary); font-size: 17px; margin-bottom: 8px; }
.sd-case p { color: var(--text-light); font-size: 15px; margin: 0; line-height: 1.7; }
.sd-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
@media (max-width: 720px) {
  .solution-cover img, .solution-cover svg, .solution-cover .icon-img { height: 220px; padding: 28px; }
  .sd-cases { grid-template-columns: 1fr; }
  .bg-card { padding: 22px; }
  .sd-section { margin-bottom: 36px; }
}

/* 产品分类版块：每个分类独立成区，版块之间留出间距 */
.section-products { padding: 0; }
.prod-cat { padding: 60px 0; margin-bottom: 1px; scroll-margin-top: 90px; }
.prod-cat:last-child { margin-bottom: 0; }
.prod-cat .section-head { margin-bottom: 50px; }
@media (max-width: 720px) { .section-products { padding: 0; } .prod-cat { padding: 42px 0; margin-bottom: 1px; } .prod-cat .section-head { margin-bottom: 34px; } }

/* ---------------- 新闻封面 / 工具栏 / 分页 ---------------- */
.card.has-cover { padding: 0; overflow: hidden; }
.card-body { padding: 24px 28px 28px; }
.news-cover { position: relative; height: 172px; overflow: hidden; background: linear-gradient(135deg, #0b2e59, #2f8fe0); }
.news-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.card:hover .news-cover img { transform: scale(1.05); }
.news-cover-ph { position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 16px 18px; }
.news-cover-ph .ph-cat { color: #fff; font-size: 13px; font-weight: 700; background: rgba(255,255,255,0.18); padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(2px); }
.news-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.news-search { position: relative; flex: 1; min-width: 240px; }
.news-search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--text-light); }
.news-search input { width: 100%; padding: 12px 14px 12px 42px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 15px; background: #fff; }
.news-search input:focus { border-color: var(--accent); outline: none; }
.news-cats { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--border); background: #fff; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--text); transition: .2s; }
.chip:hover { border-color: var(--accent); color: var(--primary-soft); }
.chip.active { background: linear-gradient(120deg, var(--accent), var(--primary-soft)); color: #fff; border-color: transparent; }
.news-pager { display: flex; justify-content: center; gap: 8px; margin-top: 38px; flex-wrap: wrap; }
.pager-btn { min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px; border: 1.5px solid var(--border); background: #fff; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--text); transition: .2s; }
.pager-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--primary-soft); }
.pager-btn.active { background: var(--primary); color: #fff; border-color: transparent; }
.pager-btn:disabled { opacity: .45; cursor: not-allowed; }
.detail-cover { max-width: 860px; margin: 22px auto 0; border-radius: 14px; overflow: hidden; }
.detail-cover img { width: 100%; display: block; max-height: 430px; object-fit: cover; }

/* ---------------- 优势 ---------------- */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-row + .feature-row { margin-top: 80px; }
.feature-row.reverse .feature-visual { order: -1; }
.feature-visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #0b2e59, #15407a);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.feature-visual::after {
  content:""; position:absolute; right:-60px; bottom:-60px; width:260px; height:260px;
  background: radial-gradient(circle, rgba(47,143,224,0.5), transparent 70%);
}
.feature-visual h4 { font-size: 22px; margin-bottom: 18px; position:relative; z-index:2; }
.feature-visual ul { position: relative; z-index: 2; }
.feature-visual li { display:flex; gap:12px; align-items:flex-start; padding:9px 0; color:rgba(255,255,255,0.88); font-size:15px; }
.feature-visual li .tick { flex:none; width:22px; height:22px; border-radius:50%; background:rgba(47,143,224,0.25); display:grid; place-items:center; margin-top:2px; }
.feature-visual li .tick svg { width:13px; height:13px; color:var(--accent-2); }
.feature-text h3 { font-size: 26px; color: var(--primary); font-weight: 800; margin-bottom: 16px; }
.feature-text p { color: var(--text-light); margin-bottom: 20px; }

/* ---------------- 数据指标条 ---------------- */
.metrics { display:grid; grid-template-columns: repeat(4,1fr); gap: 30px; text-align:center; }
.metric .n { font-size: 44px; font-weight: 800; background: linear-gradient(120deg,#fff,#9fd0ff); -webkit-background-clip:text; background-clip:text; color:transparent; }
.metric .l { color: rgba(255,255,255,0.7); font-size: 14px; margin-top: 6px; letter-spacing:0.5px; }
.metric .n span { font-size: 22px; }

/* ---------------- CTA ---------------- */
.cta-band {
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--accent), var(--primary-soft));
  padding: 56px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
  box-shadow: var(--shadow-md);
  color: #fff;
}
.cta-band h3 { font-size: 28px; font-weight: 800; }
.cta-band p { color: rgba(255,255,255,0.85); margin-top: 8px; }
/* 关于页：收紧荣誉墙与底部 CTA 之间的间距（原相邻 section 叠加 ~208px） */
#honorSection { padding-bottom: 44px; }
#aboutCta { padding-top: 44px; }

/* ---------------- 合作伙伴展示墙 ---------------- */
.partners-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, 200px);
  gap: 18px;
  justify-content: center;
  margin-top: 12px;
}
.partner-tile {
  display: grid;
  place-items: center;
  width: 200px;
  height: 200px;
  box-sizing: border-box;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.35s var(--ease);
  box-shadow: var(--shadow-sm);
}
.partner-tile:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: 0 14px 30px rgba(47, 143, 224, 0.22);
}
.partner-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.partner-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  letter-spacing: 0.5px;
}
/* 后台：合作伙伴上传行 */
.partner-edit-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 10px;
}
.partner-preview {
  width: 130px; height: 56px;
  display: grid; place-items: center;
  background: #fff; border: 1px dashed var(--border); border-radius: 8px;
  flex: none; overflow: hidden;
}
.partner-preview .pp-img { max-height: 48px; max-width: 118px; object-fit: contain; }
.partner-upload { display: flex; align-items: center; gap: 10px; }

/* ---------------- 关于页 ---------------- */
.about-hero {
  padding-top: calc(var(--nav-h) + 80px);
  background: linear-gradient(160deg, var(--hero-start), var(--hero-end));
  color: #fff;
  text-align: center;
}
.about-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing:1px; }
.about-hero p { color: rgba(255,255,255,0.78); max-width: 640px; margin: 18px auto 0; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 18px; }
.breadcrumb a:hover { color:#fff; }

.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background: linear-gradient(var(--accent), transparent); }
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item::before { content:""; position:absolute; left:-30px; top:4px; width:16px; height:16px; border-radius:50%; background:#fff; border:3px solid var(--accent); box-shadow:0 0 0 4px rgba(47,143,224,0.15); }
.tl-item .year { font-weight:800; color:var(--accent); font-size:15px; }
.tl-item h4 { font-size:18px; color:var(--primary); margin:4px 0 6px; }
.tl-item p { color:var(--text-light); font-size:15px; }

.values { display:grid; grid-template-columns: repeat(4,1fr); gap:22px; }
.value { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; text-align:center; transition:.35s var(--ease); }
.value:hover { transform:translateY(-6px); box-shadow:var(--shadow-sm); }
.value .vi { font-size:30px; margin-bottom:12px; }
.value .vi .icon-img { width:30px; height:30px; object-fit:contain; display:block; margin:0 auto; }
.value h4 { color:var(--primary); font-size:17px; margin-bottom:8px; }
.value p { color:var(--text-light); font-size:14px; }

/* ---------------- 产品页：等尺寸网格（瀑布流，模块大小一致） ---------------- */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product {
  display: flex; flex-direction: column;
  background:#fff; border:1px solid var(--border); border-radius: var(--radius-lg);
  overflow:hidden; box-shadow: var(--shadow-sm);
  transition:.4s var(--ease);
}
.product .pbody { flex: 1; }
.product:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: transparent; }
.product .prod-banner { position:relative; width:100%; height:180px; overflow:hidden;
  /* 浅蓝封面条：柔和科技蓝，与白色卡片形成层次，避免过深 */
  background: linear-gradient(160deg, #3f8fd8, #7fbfef); }
.product .prod-banner img { width:100%; height:100%; object-fit:cover; display:block; }
.product .pbody { padding: 30px 34px 34px; }
.product .phead { display:flex; align-items:center; gap:16px; margin-bottom:14px; }
.product .phead .pic {
  flex:none; width:56px; height:56px; border-radius:16px; display:grid; place-items:center;
  background: linear-gradient(135deg, var(--accent), var(--primary-soft)); color:#fff;
}
.product .phead .pic svg { width:30px; height:30px; }
/* 自定义上传图标（图片）在卡片图标容器内的尺寸 */
.product .phead .pic .icon-img { width:34px; height:34px; object-fit:contain; display:block; }
.product .phead .htext { min-width:0; }
.product .phead .tag { display:inline-block; font-size:12px; padding:3px 12px; border-radius:999px; background:rgba(47,143,224,0.1); color:var(--primary-soft); margin-bottom:8px; font-weight:600; }
.product .phead h3 { font-size:23px; color:var(--primary); font-weight:800; line-height:1.2; margin:0; }
.product .tagline { color:var(--text-light); font-size:15.5px; line-height:1.7; margin:0 0 4px; }
.product .pdivider { height:1px; background:var(--border); margin:20px 0; }
.product .feats { display:grid; grid-template-columns: repeat(2,1fr); gap:10px 26px; margin-top:20px; }
.product .feats li { display:flex; gap:10px; align-items:flex-start; font-size:14.5px; color:var(--text); }
.product .feats li .ck { flex:none; width:18px; height:18px; border-radius:50%; background:var(--accent-2); display:grid; place-items:center; margin-top:3px; }
.product .feats li .ck svg { width:11px; height:11px; color:#fff; }
.pro-detail, #sdSolution { margin-top:6px; font-size:15px; line-height:1.85; color:var(--text); }
.pro-detail h1, #sdSolution h1 { font-size:24px; margin:18px 0 10px; color:var(--ink); line-height:1.3; }
.pro-detail h2, #sdSolution h2 { font-size:19px; margin:16px 0 8px; color:var(--primary); }
.pro-detail h3, #sdSolution h3 { font-size:16px; margin:12px 0 6px; color:var(--primary); }
.pro-detail p, #sdSolution p { margin:8px 0; color:var(--text); }
.pro-detail ul, #sdSolution ul { padding-left:20px; list-style:disc; margin:8px 0; }
.pro-detail ol, #sdSolution ol { padding-left:22px; list-style:decimal; margin:8px 0; }
.pro-detail li, #sdSolution li { margin:4px 0; }
.pro-detail strong, .pro-detail b, #sdSolution strong, #sdSolution b { font-weight:700; color:var(--ink); }
.pro-detail em, .pro-detail i, #sdSolution em, #sdSolution i { font-style:italic; }
.pro-detail u, #sdSolution u { text-decoration:underline; }
.pro-detail a, #sdSolution a { color:var(--primary); text-decoration:underline; }
.pro-detail img, #sdSolution img { max-width:100%; height:auto; border-radius:10px; margin:10px 0; display:block; }
.pro-detail blockquote, #sdSolution blockquote { border-left:3px solid var(--primary); padding:6px 14px; margin:10px 0; color:var(--text-light); background:var(--bg-soft); border-radius:0 8px 8px 0; }
.pro-detail code, #sdSolution code { background:var(--bg-soft); padding:1px 6px; border-radius:4px; }

/* FAQ 区块（GEO 关键：AI 直接抓取问答对） */
.faq-list { display: grid; gap: 14px; margin-top: 10px; }
.faq-item { border: 1px solid var(--border-color, #e6e9f0); border-radius: 12px; padding: 16px 18px; background: #fff; }
.faq-item .faq-q { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.faq-item .faq-q::before { content: "Q："; color: var(--primary); }
.faq-item .faq-a { font-size: 15px; line-height: 1.8; color: var(--text); }
.faq-item .faq-a p { margin: 6px 0; }
/* 带出处的引用块（写入 JSON-LD citation） */
.pro-detail blockquote.cite, #sdSolution blockquote.cite { border-left: 3px solid var(--primary); background: var(--bg-soft); padding: 12px 16px; margin: 14px 0; border-radius: 0 8px 8px 0; }
.pro-detail blockquote.cite p, #sdSolution blockquote.cite p { margin: 0 0 6px; color: var(--text); }
.pro-detail blockquote.cite cite, #sdSolution blockquote.cite cite { display: block; font-style: normal; font-size: 13px; color: var(--text-light); }
.pro-detail blockquote.cite cite::before, #sdSolution blockquote.cite cite::before { content: "来源："; }

/* ---------------- 产品页：折叠手风琴（参考解决方案卡片，模块可收起） ---------------- */
.product-acc { background:#fff; border:1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition:.25s var(--ease); overflow:hidden; }
.product-acc.open { border-color: var(--primary-soft); box-shadow: var(--shadow-md); }
.pa-head { width:100%; display:flex; align-items:center; gap:16px; padding:22px 26px; background:none; border:none; text-align:left; cursor:pointer; font:inherit; color:inherit; }
.pa-head:hover { background: rgba(47,143,224,0.04); }
.pa-pic { flex:none; width:52px; height:52px; border-radius:14px; display:grid; place-items:center; background: linear-gradient(135deg, var(--accent), var(--primary-soft)); color:#fff; }
.pa-pic svg { width:28px; height:28px; }
.pa-pic .icon-img { width:32px; height:32px; object-fit:contain; display:block; }
.pa-htext { min-width:0; flex: 0 0 auto; }
.pa-htext .tag { display:inline-block; font-size:12px; padding:3px 12px; border-radius:999px; background:rgba(47,143,224,0.1); color:var(--primary-soft); margin-bottom:8px; font-weight:600; }
.pa-htext h3 { font-size:21px; color:var(--primary); font-weight:800; line-height:1.2; margin:0; }
.pa-tagline { flex:1; min-width:0; color:var(--text-light); font-size:14.5px; line-height:1.6; margin:0 8px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.pa-chev { flex:none; width:30px; height:30px; border-radius:50%; display:grid; place-items:center; background:rgba(47,143,224,0.08); color:var(--primary-soft); transition: transform .3s var(--ease); }
.pa-chev svg { width:18px; height:18px; }
.product-acc.open .pa-chev { transform: rotate(180deg); background: var(--primary-soft); color:#fff; }
.pa-body { max-height:0; overflow:hidden; transition: max-height .35s var(--ease); }
.product-acc.open .pa-body { max-height: 1200px; }
.pa-inner { padding: 4px 26px 26px 94px; border-top:1px solid var(--border); margin-top:2px; }
.pa-inner .feats { display:grid; grid-template-columns: repeat(2,1fr); gap:10px 26px; margin:20px 0; }
.pa-inner .feats li { display:flex; gap:10px; align-items:flex-start; font-size:14.5px; color:var(--text); }
.pa-inner .feats li .ck { flex:none; width:18px; height:18px; border-radius:50%; background:var(--accent-2); display:grid; place-items:center; margin-top:3px; }
.pa-inner .feats li .ck svg { width:11px; height:11px; color:#fff; }
.pa-more { align-self:flex-start; }

/* 移动端：手风琴头部换行，简介整行显示 */
@media (max-width: 720px) {
  .pa-head { flex-wrap:wrap; gap:12px; padding:18px 18px; }
  .pa-tagline { flex-basis:100%; order:3; margin:0; -webkit-line-clamp:3; }
  .pa-chev { margin-left:auto; }
  .pa-inner { padding:4px 18px 20px 18px; }
  .pa-inner .feats { grid-template-columns: 1fr; }
}

/* 新闻详情正文（富文本 / Markdown 双兼容渲染） */
#dContent { word-break: break-word; }
#dContent h2 { font-size:24px; line-height:1.4; margin:26px 0 12px; color:var(--primary); font-weight:700; }
#dContent h3 { font-size:19px; line-height:1.5; margin:20px 0 10px; color:var(--primary); font-weight:700; }
#dContent p { margin:0 0 16px; }
#dContent ul, #dContent ol { padding-left:24px; margin:0 0 16px; }
#dContent li { margin:6px 0; }
#dContent img { max-width:100%; height:auto; border-radius:12px; margin:18px 0; display:block; box-shadow:var(--shadow-sm); }
#dContent a { color:var(--accent); text-decoration:underline; word-break:break-all; }
#dContent blockquote { margin:0 0 16px; padding:12px 18px; border-left:4px solid var(--accent); background:var(--bg-soft); border-radius:0 10px 10px 0; color:var(--text-light); }
#dContent code { background:var(--bg-soft); padding:2px 7px; border-radius:5px; font-size:14px; }
#dContent hr { border:none; border-top:1px solid var(--border); margin:24px 0; }

/* 新闻详情关键词标签（SEO / GEO 实体曝光，利于搜索引擎与 AI 搜索引用） */
.news-keywords { display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.news-keywords .kw-label { font-size:13px; font-weight:600; color:var(--text-light); margin-right:4px; }
.news-keywords .kw-chip-sm { display:inline-block; padding:4px 12px; border-radius:999px; background:var(--bg-soft); color:var(--primary); font-size:13px; border:1px solid var(--border); transition:all .15s var(--ease); }
.news-keywords .kw-chip-sm:hover { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ---------------- 联系页 ---------------- */
.contact-grid { display:grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items:start; }
.info-card { background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg); padding:38px; }
.info-item { display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--border); }
.info-item:last-child { border-bottom:0; }
.info-item .ic { flex:none; width:46px; height:46px; border-radius:12px; background:linear-gradient(135deg, rgba(47,143,224,0.12), rgba(20,184,166,0.12)); display:grid; place-items:center; color:var(--primary-soft); }
.info-item .ic svg { width:24px; height:24px; }
.info-item h4 { font-size:15px; color:var(--primary); margin-bottom:3px; }
.info-item p { color:var(--text-light); font-size:15px; }

.form-card { background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg); padding:38px; box-shadow:var(--shadow-sm); }
.form-card h3 { font-size:22px; color:var(--primary); margin-bottom:6px; }
.form-card .sub { color:var(--text-light); font-size:14px; margin-bottom:24px; }
.field { margin-bottom:18px; }
.field label { display:block; font-size:14px; font-weight:600; color:var(--text); margin-bottom:7px; }
.field label .req { color:#e5484d; }
.field input, .field textarea, .field select {
  width:100%; padding:13px 15px; border:1.5px solid var(--border); border-radius:10px;
  font-family:var(--font); font-size:15px; color:var(--text); background:#fff;
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline:none; border-color:var(--accent); box-shadow:0 0 0 4px rgba(47,143,224,0.12);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-msg { padding:14px 16px; border-radius:10px; font-size:14px; margin-bottom:18px; display:none; }
.form-msg.ok { display:block; background:rgba(20,184,166,0.12); color:#0c7f72; border:1px solid rgba(20,184,166,0.3); }
.form-msg.err { display:block; background:rgba(229,72,77,0.1); color:#c0341d; border:1px solid rgba(229,72,77,0.3); }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--bg-deep); color: rgba(255,255,255,0.72); padding: 64px 0 28px; }
.footer-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .f-brand .brand { color:#fff; margin-bottom:16px; }
.footer .f-brand p { font-size:14px; max-width: 300px; }
.footer h5 { color:#fff; font-size:15px; margin-bottom:18px; letter-spacing:0.5px; }
.footer ul li { padding:7px 0; font-size:14px; }
.footer ul li a:hover { color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); margin-top:48px; padding-top:24px; display:flex; justify-content:center; align-items:center; flex-wrap:wrap; gap:12px 18px; font-size:13px; color:rgba(255,255,255,0.55); }
.footer-bottom a:hover { color:#fff; }
.footer-filings { display:flex; flex-wrap:wrap; align-items:center; gap:6px 10px; font-size:12.5px; color:rgba(255,255,255,0.5); }
.footer-filings .filing-link { color:rgba(255,255,255,0.62); text-decoration:none; }
.footer-filings .filing-link:hover { color:#fff; text-decoration:underline; }
.footer-filings .filing-item { color:rgba(255,255,255,0.5); }
.footer-filings .filing-sep { color:rgba(255,255,255,0.28); }

/* 页脚二维码 */
.footer-qr { display:flex; flex-wrap:wrap; gap:18px; margin-top:16px; }
.footer-qr .qr-card { display:flex; flex-direction:column; align-items:center; gap:6px; }
.footer-qr .qr-card img { width:80px; height:80px; object-fit:contain; border-radius:6px; display:block; background:#fff; padding:4px; }
.footer-qr .qr-card span { font-size:12px; color:rgba(255,255,255,0.7); text-align:center; line-height:1.4; }
.f-brand .footer-qr { margin-top:22px; }

/* ---------------- 滚动动画 ---------------- */
.reveal { opacity:0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }

/* ---------------- 后台：FAQ 编辑器 / 引用 ---------------- */
.faq-editor { display: grid; gap: 12px; margin-top: 6px; }
.faq-edit-item { border: 1px solid var(--border-color, #e6e9f0); border-radius: 10px; padding: 12px 14px; background: var(--bg-soft, #f7f9fc); }
.faq-edit-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.faq-edit-idx { font-weight: 600; color: var(--primary); }
.faq-q-input { width: 100%; margin-bottom: 8px; padding: 10px 12px; border: 1.5px solid var(--border, #e6e9f0); border-radius: 8px; font-family: var(--font); font-size: 14px; }
.faq-a-input { width: 100%; min-height: 64px; resize: vertical; padding: 10px 12px; border: 1.5px solid var(--border, #e6e9f0); border-radius: 8px; font-family: var(--font); font-size: 14px; }
.faq-edit-del { padding: 4px 10px; font-size: 12px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 980px) {
  .cards.cols-3 { grid-template-columns: repeat(2,1fr); }
  .values { grid-template-columns: repeat(2,1fr); }
  .metrics { grid-template-columns: repeat(2,1fr); gap: 36px; }
  .partners-wall { grid-template-columns: repeat(3,1fr); }
  .partner-tile { width: 100%; height: 120px; padding: 10px; }
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row.reverse .feature-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  section { padding: 72px 0; }
  .section-alt { padding: 10px 0 64px; }
  .partner-apply { padding-top: 1px; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background:#fff; padding: 12px 0; box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform .35s var(--ease);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width:100%; padding: 14px 24px; color: var(--text) !important; }
  .nav-links a::after { display:none; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-ghost { display:none; }
  .nav-phone { display:none; }
  .nav-item.has-dropdown > a { width: 100%; }
  .nav-links.open .nav-dropdown { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; background: transparent; padding: 0 0 6px; }
  .nav-links.open .nav-dropdown a { padding: 9px 36px; color: var(--text-light) !important; }
  .nav-links.open .nav-dropdown a:hover { background: var(--bg-soft); color: var(--accent) !important; }
  .cards.cols-3, .cards.cols-2 { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .hero-stats { gap: 30px; }
  .product-list { grid-template-columns: 1fr; }
  .product .feats { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction:column; align-items:flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .partners-wall { grid-template-columns: repeat(2,1fr); }
}

/* ---------------- FAQ（SEO / GEO 友好） ---------------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.faq-item[open] { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 11px; height: 11px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
  margin: 0 4px 4px 0;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item .faq-a { padding: 0 24px 22px; color: var(--text-light); font-size: 15.5px; line-height: 1.9; }
.faq-item .faq-a p { margin: 0; }
.faq-item .faq-a p + p { margin-top: 10px; }

/* 面包屑 / 结构化路径 */
.breadcrumb .sep { margin: 0 8px; opacity: .5; }

/* ---------------- 荣誉墙（证书 / 奖状 / 荣誉） ---------------- */
.honor-filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.honor-filter {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
  font-size: 14.5px;
  font-family: inherit;
  padding: 9px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .25s var(--ease);
}
.honor-filter:hover { border-color: var(--accent); color: var(--primary-soft); }
.honor-filter.active {
  background: linear-gradient(120deg, var(--accent), var(--primary-soft));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.honor-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 24px;
}
.honor-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: zoom-in;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.honor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.honor-thumb {
  aspect-ratio: 4 / 3;
  background: #fffdf6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.honor-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform .35s var(--ease);
}
.honor-card:hover .honor-thumb img { transform: scale(1.05); }
.honor-card figcaption { padding: 16px 18px 18px; }
.honor-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-soft);
  background: rgba(47,143,224,0.10);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.honor-card h4 { font-size: 16px; font-weight: 700; color: var(--primary); line-height: 1.5; margin: 0; }
.honor-year { display: block; margin-top: 8px; font-size: 13px; color: var(--text-light); }

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 31, 61, 0.86);
  padding: 40px;
  backdrop-filter: blur(4px);
}
.lightbox.open { display: flex; }
.lightbox-inner { position: relative; max-width: 90vw; max-height: 88vh; }
.lightbox-inner img {
  max-width: 90vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: #fff;
  color: var(--primary);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform .2s var(--ease);
}
.lightbox-close:hover { transform: rotate(90deg); }

/* 照片墙 */
.photo-subwall { margin-top: 38px; }
.photo-subwall:first-of-type { margin-top: 28px; }
.photo-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  line-height: 1.3;
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.photo-item {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.photo-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.photo-thumb {
  aspect-ratio: 4 / 3;
  background: #f3f6fb;
  overflow: hidden;
  cursor: zoom-in;
}
.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s var(--ease);
}
.photo-item:hover .photo-thumb img { transform: scale(1.06); }
.photo-item figcaption {
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  text-align: center;
}
.photo-empty {
  grid-column: 1 / -1;
  color: var(--text-light);
  font-size: 14px;
  padding: 18px 0;
  text-align: center;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

@media (max-width: 640px) {
  .honor-wall { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .honor-thumb { padding: 8px; }
  .honor-card figcaption { padding: 12px; }
  .honor-card h4 { font-size: 14px; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .photo-subtitle { font-size: 16px; }
}

/* ---------------- 合作伙伴页 ---------------- */
.partner-hero {
  position: relative;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding: 120px 0 89px;
  background:
    radial-gradient(1100px 520px at 78% -12%, rgba(47,143,224,0.38), transparent 60%),
    radial-gradient(820px 460px at 8% 115%, rgba(20,184,166,0.18), transparent 55%),
    linear-gradient(160deg, var(--hero-start), var(--hero-end));
}
.partner-hero .container { position: relative; z-index: 2; max-width: 860px; }
.partner-hero .eyebrow { color: #8fd3ff; }
.partner-hero h1 {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 14px 0 20px;
}
.partner-hero p {
  font-size: clamp(15px, 1.4vw, 18px);
  color: rgba(255,255,255,0.82);
  max-width: 620px;
}

/* 页头下方图文模块（后台可开关/编辑） */
.partner-intro { padding: 88px 0; }
.partner-intro .intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.partner-intro .intro-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.partner-intro .intro-text .eyebrow { color: var(--accent); }
.partner-intro .intro-text h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 10px 0 16px;
  color: var(--text);
}
.partner-intro .intro-text .prose {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.9;
}
.partner-intro .intro-text .prose p { margin: 0 0 12px; }
.partner-intro .intro-text .prose p:last-child { margin-bottom: 0; }
@media (max-width: 768px) {
  .partner-intro { padding: 60px 0; }
  .partner-intro .intro-grid { grid-template-columns: 1fr; gap: 26px; }
}

/* 交替背景 */
.section-alt { background: var(--bg-soft); padding: 10px 0 110px; }

/* 精选案例 */
.section-alt .section-head { margin-bottom: 0; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 26px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.case-cover { aspect-ratio: 16 / 9; background: linear-gradient(135deg, #e8f0fa, #d4e4f7); margin-bottom: 10px; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.case-body h3 { font-size: 19px; color: var(--primary); font-weight: 800; }
.case-body p { color: var(--text-light); font-size: 15px; line-height: 1.8; flex: 1; }
.case-link { color: var(--accent); font-weight: 700; text-decoration: none; font-size: 14.5px; }
.case-link:hover { color: var(--primary-soft); }
.job-meta { font-size: 13px; color: var(--text-light); margin: 6px 0 10px; letter-spacing: 0.3px; }

/* 申请合作 */
.partner-apply { background: #fff; padding-top: 1px; }
.partner-apply .section-head { margin-bottom: 1px; }
.apply-form {
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1px 40px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
}
.apply-form .field { margin-bottom: 0; }
.apply-form .field input,
.apply-form .field select,
.apply-form .field textarea { width: 100%; }
.field-full { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 18px; margin-top: 4px; }

@media (max-width: 720px) {
  .partner-hero { padding: 100px 0 89px; }
  .apply-form { padding: 18px 26px 26px; grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
}