/* 恒创疏通资讯站 —— 深蓝 + 橙色，白底内容区 */
:root {
  --navy: #12263f;          /* 深蓝：导航底 */
  --navy-2: #1b3a5c;
  --blue: #1a56a0;          /* 深蓝标题/链接 */
  --blue-ico: #2f6fb8;      /* 图标蓝 */
  --orange: #f26a1b;        /* 橙色 CTA */
  --orange-d: #d9550d;
  --notice: #E8F0FE;        /* 浅蓝提示框 */
  --line: #e3e8ef;
  --text: #2f3338;          /* 深灰正文 */
  --text-2: #5b636c;        /* 次级文字（够深，避免浅灰看不清） */
  --bg: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.78; font-size: 16px;
  padding-bottom: 78px; /* 给底部悬浮条留位 */
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* ---------- 顶部导航（深蓝底白字） ---------- */
.topbar { background: var(--navy); position: sticky; top: 0; z-index: 60; }
.topbar-inner { display: flex; align-items: center; height: 60px; gap: 16px; }
.brand { color: #fff; font-size: 18px; font-weight: 700; letter-spacing: .5px; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav a {
  color: #dbe5f0; font-size: 15px; padding: 8px 10px; border-radius: 4px; white-space: nowrap;
}
.topnav a:hover { color: #fff; background: rgba(255,255,255,.10); text-decoration: none; }
.topnav a.on { color: #fff; background: rgba(255,255,255,.16); }
.topbar-tel {
  display: flex; align-items: center; gap: 6px; background: var(--orange); color: #fff;
  padding: 9px 16px; border-radius: 6px; font-size: 16px; font-weight: 700; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(242,106,27,.35);
}
.topbar-tel:hover { background: var(--orange-d); text-decoration: none; color: #fff; }
.topbar-tel .ico { font-size: 15px; }
.burger { display: none; width: 40px; height: 40px; background: transparent; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; }

/* 移动端顶部固定条 */
.mobile-top {
  display: none; background: var(--navy); color: #fff; padding: 8px 16px;
  align-items: center; justify-content: space-between; gap: 8px;
  position: sticky; top: 0; z-index: 61;
}
.mobile-top .mt-tel { color: #fff; font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 6px; }
.mobile-top .mt-tel .ico { color: var(--orange); }
.mobile-top .mt-note { font-size: 12px; color: #c8d6e5; }

/* ---------- 抽屉导航（深色，仿参照站） ---------- */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(8,16,26,.55); opacity: 0; pointer-events: none;
  transition: opacity .25s; z-index: 98;
}
.drawer {
  position: fixed; top: 0; left: 0; bottom: 0; width: 78%; max-width: 330px;
  background: #2b3541; z-index: 99; transform: translateX(-100%); transition: transform .28s ease;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
}
body.drawer-open .drawer { transform: translateX(0); }
body.drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
body.drawer-open { overflow: hidden; }
.dr-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,.10);
  color: #e6ecf3; font-size: 15px; font-weight: 600;
}
.dr-close { background: transparent; border: 0; color: #cfd8e3; font-size: 26px; line-height: 1; cursor: pointer; padding: 0 4px; }
.dr-nav { padding: 8px 0 24px; }
.dr-group { border-top: 1px solid rgba(255,255,255,.07); }
.dr-item {
  display: block; color: #e8eef5; font-size: 16px; padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.dr-item:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.dr-item.on { background: rgba(242,106,27,.16); color: #fff; border-left: 3px solid var(--orange); padding-left: 15px; }
.dr-item.sub { padding-left: 34px; font-size: 15px; color: #c9d4e0; }
.dr-item.sub::before { content: "·"; margin-right: 8px; color: #7d8b9a; }
.dr-contact { padding: 20px 18px; }
.dr-tel { display: block; color: var(--orange); font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.dr-contact p { color: #a8b5c3; font-size: 13px; margin-top: 4px; }

/* ---------- 首屏 ---------- */
.hero { padding: 26px 0 8px; }
.hero h1 { font-size: 28px; line-height: 1.45; color: var(--blue); letter-spacing: .5px; }
.hero-sub { color: var(--text-2); margin-top: 10px; font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 12px; }
.btn-orange {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: var(--orange); color: #fff; font-size: 19px; font-weight: 700;
  padding: 14px 28px; border-radius: 8px; box-shadow: 0 4px 14px rgba(242,106,27,.30);
}
.btn-orange:hover { background: var(--orange-d); text-decoration: none; color: #fff; }
.btn-orange.sm { font-size: 15px; padding: 9px 16px; width: 100%; margin-top: 10px; box-shadow: none; }
.btn-ghost {
  display: inline-flex; align-items: center; background: #fff; color: var(--blue);
  border: 1px solid var(--blue); padding: 12px 20px; border-radius: 8px; font-size: 15px;
}
.btn-ghost:hover { background: var(--notice); text-decoration: none; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.hero-badges span {
  font-size: 13px; color: var(--navy-2); background: var(--notice);
  padding: 4px 10px; border-radius: 12px;
}

/* ---------- 服务入口卡片 ---------- */
.sec-title {
  font-size: 20px; color: var(--blue); margin: 30px 0 14px;
  padding-left: 10px; border-left: 4px solid var(--orange); line-height: 1.3;
}
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature {
  border: 1px solid var(--line); border-radius: 8px; padding: 18px 14px; background: #fff;
  display: flex; flex-direction: column; align-items: flex-start; transition: .18s;
}
.feature:hover { border-color: var(--blue); box-shadow: 0 4px 16px rgba(18,38,63,.08); text-decoration: none; }
.f-ico { width: 44px; height: 44px; border-radius: 10px; background: var(--notice); color: var(--blue-ico);
  display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.f-ico svg { width: 26px; height: 26px; }
.feature b { color: var(--navy); font-size: 16px; }
.feature em { color: var(--text-2); font-size: 13px; font-style: normal; margin-top: 4px; }

/* ---------- 列表 ---------- */
.post-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.thumb { position: relative; width: 148px; height: 96px; flex-shrink: 0; border-radius: 6px; overflow: hidden; background: var(--notice); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-tag {
  position: absolute; left: 0; bottom: 0; background: rgba(18,38,63,.78); color: #fff;
  font-size: 11px; padding: 2px 8px; border-radius: 0 6px 0 6px;
}
.post-info h2 { font-size: 17px; line-height: 1.5; }
.post-info h2 a { color: var(--navy); }
.post-info h2 a:hover { color: var(--blue); }
.excerpt { color: var(--text-2); font-size: 14px; margin: 6px 0 8px; }
.meta { font-size: 13px; color: var(--text-2); display: flex; flex-wrap: wrap; gap: 12px; }
.meta .tags a { margin-right: 8px; font-size: 12px; color: var(--blue); background: var(--notice); padding: 1px 8px; border-radius: 10px; }
.more { margin: 18px 0 4px; }
.empty { color: var(--text-2); padding: 20px 0; }

/* 分页 */
.pagination { text-align: center; padding: 24px 0; }
.pg { display: inline-block; padding: 7px 13px; margin: 0 4px; border: 1px solid var(--line); border-radius: 4px; color: var(--navy); font-size: 14px; }
.pg:hover { border-color: var(--blue); text-decoration: none; }
.pg.cur { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------- 布局 ---------- */
.layout { display: flex; gap: 30px; padding-top: 10px; padding-bottom: 36px; }
.main { flex: 1; min-width: 0; }
.sidebar { width: 300px; flex-shrink: 0; padding-top: 20px; }

/* 侧栏 */
.card { border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; background: #fff; }
.card h3 { font-size: 15px; color: var(--navy); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.phone-card { text-align: center; background: var(--notice); border-color: #cddef8; }
.phone-card .big-phone { display: block; font-size: 25px; font-weight: 700; color: var(--orange-d); margin: 4px 0; letter-spacing: .5px; }
.phone-card p { font-size: 13px; color: var(--navy-2); }
.phone-card .muted { color: var(--text-2); }
.areas { font-size: 13px; color: var(--text-2); line-height: 1.9; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip { display: inline-block; padding: 3px 11px; font-size: 13px; background: var(--notice); border-radius: 12px; color: var(--blue); }
.tag-chip:hover { background: #d8e5fb; text-decoration: none; }
.rel-list { list-style: none; }
.rel-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.rel-list li:last-child { border-bottom: none; }

/* ---------- 文章页 ---------- */
.breadcrumb { font-size: 13px; color: var(--text-2); margin: 18px 0 12px; }
.article-body h1 { font-size: 26px; color: var(--navy); line-height: 1.45; margin-bottom: 10px; }
.detail-meta { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.wide-img { width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.art-img { margin: 6px 0 6px; max-width: 620px; margin-left: auto; margin-right: auto; }
.art-img2-wrap { margin: 22px 0 8px; max-width: 620px; margin-left: auto; margin-right: auto; }
.figcap { font-size: 12px; color: var(--text-2); text-align: center; margin-bottom: 16px; }
.notice {
  background: var(--notice); border-left: 4px solid var(--blue-ico); border-radius: 6px;
  padding: 14px 16px; margin: 16px 0; color: var(--navy-2); font-size: 15px;
}
.article-body h2 { font-size: 20px; color: var(--blue); margin: 28px 0 10px; line-height: 1.45; }
.article-body h3 { font-size: 17px; color: var(--blue); margin: 20px 0 8px; }
.article-body p { margin: 12px 0; color: var(--text); }
.article-body strong { color: var(--navy); }
.article-body blockquote { border-left: 4px solid var(--blue-ico); background: var(--notice); padding: 10px 14px; margin: 14px 0; color: var(--navy-2); border-radius: 0 6px 6px 0; }
.article-body ul { margin: 12px 0 12px 22px; }
.article-body li { margin: 4px 0; }
.cta-box {
  margin: 26px 0 14px; padding: 18px; border: 1px solid #f3c7a6; background: #fff8f2;
  border-radius: 8px; display: flex; align-items: center; gap: 16px; justify-content: space-between; flex-wrap: wrap;
}
.cta-box b { font-size: 18px; color: var(--navy); display: block; }
.cta-box p { font-size: 14px; color: var(--text-2); margin: 4px 0 0; }
.guide-text { font-size: 14px; color: var(--text-2); background: #f7f9fc; border: 1px dashed var(--line); padding: 12px 14px; border-radius: 6px; }
.article-tags { margin: 16px 0; display: flex; gap: 8px; flex-wrap: wrap; }
.pn { display: flex; justify-content: space-between; gap: 12px; margin: 20px 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }
.pn a { flex: 1; }
.pn .next { text-align: right; }
.cat-desc { color: var(--text-2); margin-bottom: 12px; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 4px; }
.cat-chips a { border: 1px solid var(--line); border-radius: 20px; padding: 6px 16px; font-size: 14px; color: var(--navy); }
.cat-chips a:hover { border-color: var(--blue); background: var(--notice); text-decoration: none; }

/* ---------- 首页区块 ---------- */
.map-box { border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.map-areas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.map-areas a { font-size: 13px; border: 1px solid var(--line); border-radius: 14px; padding: 4px 12px; color: var(--navy); }
.map-areas a:hover { background: var(--notice); border-color: var(--blue); text-decoration: none; }
.cta-band {
  margin-top: 30px; background: var(--navy); border-radius: 10px; padding: 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.cta-band b { color: #fff; font-size: 18px; display: block; }
.cta-band p { color: #c8d6e5; font-size: 14px; margin-top: 4px; }

/* 首页热门问题速查 */
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qa-grid a {
  display: block; border: 1px solid var(--line); border-radius: 6px; padding: 11px 14px;
  font-size: 14px; color: var(--navy); background: #fff;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.qa-grid a:hover { border-color: var(--orange); color: var(--orange-d); text-decoration: none; background: #fffaf6; }
.qa-grid a::before { content: "Q "; color: var(--orange); font-weight: 700; }
@media (max-width: 560px) { .qa-grid { grid-template-columns: 1fr; } }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.tbl th { background: var(--notice); color: var(--navy); font-weight: 600; }
.tbl td { color: var(--text); }

/* 流程 */
.steps { margin: 12px 0 0 20px; }
.steps li { margin: 10px 0; color: var(--text); }
.steps b { color: var(--blue); }

/* 联系卡片 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 8px 0 6px; }
.contact-card { border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: block; }
.contact-card span { font-size: 13px; color: var(--text-2); }
.contact-card b { display: block; font-size: 24px; color: var(--orange-d); margin: 4px 0; letter-spacing: .5px; }
.contact-card em { font-size: 13px; color: var(--text-2); font-style: normal; }
a.contact-card:hover { border-color: var(--orange); text-decoration: none; background: #fffaf6; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: #f7f9fc; padding: 22px 0 30px; font-size: 14px; color: var(--text); }
.foot-contact { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 10px; }
.foot-contact a { color: var(--orange-d); font-weight: 700; font-size: 18px; }
.foot-contact span { color: var(--navy-2); align-self: center; }
.footer .muted { color: var(--text-2); font-size: 13px; margin-top: 6px; }

/* ---------- 移动端底部悬浮拨打 ---------- */
.float-bar { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .topnav { display: none; }
  .burger { display: block; }
  .mobile-top { display: flex; }
  .topbar { top: 0; }
  .topbar-inner { height: 56px; }
  .topbar-tel { display: none; }
  .burger { order: 0; }
  .brand { order: 1; margin-left: 4px; }
  .brand { font-size: 16px; }
  .layout { flex-direction: column; }
  .sidebar { width: 100%; padding-top: 0; }
  .hero h1 { font-size: 23px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .float-bar {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
    background: rgba(255,255,255,.97); border-top: 1px solid var(--line);
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 16px rgba(18,38,63,.10);
  }
  .fb-tel {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--orange); color: #fff; font-size: 18px; font-weight: 700;
    padding: 13px; border-radius: 8px; box-shadow: 0 4px 14px rgba(242,106,27,.35);
  }
  .fb-tel:hover { color: #fff; text-decoration: none; }
  body { padding-bottom: 82px; }
  .article-body h1 { font-size: 22px; }
  .article-body h2 { font-size: 18px; }
  .cta-box .btn-orange, .cta-band .btn-orange { width: 100%; font-size: 17px; padding: 12px; }
  .btn-orange { font-size: 17px; padding: 13px 20px; width: 100%; }
  .hero-actions { flex-direction: column; }
  .btn-ghost { width: 100%; justify-content: center; padding: 12px; }
}
@media (max-width: 560px) {
  .thumb { width: 104px; height: 78px; }
  .post-info h2 { font-size: 16px; }
  .excerpt { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-grid { gap: 10px; }
  .feature { padding: 14px 12px; }
  .topbar-tel b { font-size: 14px; }
}