/**
 * powerproject.css —— 医疗文教建筑工程项目网（SEO 专题页）
 * 主题：科技蓝（与中策 logo 蓝色调一致）
 * 说明：只负责本页 main 区块样式；头尾公共样式在 seo_base.css / seo_login.css。
 *       全部类选择器（0,1,0 起）可自然压过 defalt.css 的 a{color:#333} 等全局规则。
 */

/* ---------- 主题变量 ---------- */
.pw-main {
  --pw-blue: #1667ff;
  --pw-blue-dark: #0d4fd6;
  --pw-deep: #0a2a6b;
  --pw-navy: #071a3f;
  --pw-cyan: #00c2ff;
  --pw-ink: #16233d;
  --pw-muted: #5b6c8f;
  --pw-bg: #f4f7fe;
  --pw-line: #e2eaf9;
  --pw-grad: linear-gradient(135deg, var(--pw-blue) 0%, #2f8bff 60%, var(--pw-cyan) 130%);
}

.pw-inner {
  width: 1200px;
  max-width: 94%;
  margin: 0 auto;
}

/* ---------- Hero ---------- */
.pw-hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0 64px;
  background: linear-gradient(132deg, #071a3f 0%, #0a2a6b 42%, #1247c2 78%, #1673ff 108%);
  color: #fff;
}
.pw-hero::before,
.pw-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.pw-hero::before {
  width: 620px; height: 620px;
  right: -180px; top: -260px;
  background: radial-gradient(circle, rgba(0,194,255,.32) 0%, rgba(0,194,255,0) 66%);
}
.pw-hero::after {
  width: 460px; height: 460px;
  left: -160px; bottom: -240px;
  background: radial-gradient(circle, rgba(47,139,255,.36) 0%, rgba(47,139,255,0) 68%);
}
.pw-hero .pw-inner { position: relative; z-index: 1; }

.pw-crumb { margin: 0 0 26px; font-size: 13px; color: rgba(255,255,255,.72); }
.pw-crumb a { color: rgba(255,255,255,.82); text-decoration: none; }
.pw-crumb a:hover { color: #fff; text-decoration: underline; }
.pw-crumb span { margin: 0 8px; color: rgba(255,255,255,.4); }
.pw-crumb em { font-style: normal; color: #fff; }

.pw-h1 {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 1px;
}
.pw-sub {
  margin: 0 0 20px;
  font-size: 17px;
  color: rgba(255,255,255,.88);
}
.pw-herotags { margin: 0 0 30px; }
.pw-herotags span {
  display: inline-block;
  margin: 0 10px 10px 0;
  padding: 5px 14px;
  font-size: 13px;
  color: #dbe9ff;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.pw-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.pw-btn {
  display: inline-block;
  padding: 12px 34px;
  font-size: 16px;
  line-height: 1;
  border-radius: 6px;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.pw-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, #00c2ff 0%, #2f8bff 100%);
  box-shadow: 0 8px 22px rgba(0,120,255,.4);
}
.pw-btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,120,255,.5); }
.pw-btn--ghost {
  color: #fff;
  border: 1px solid rgba(255,255,255,.55);
  background: transparent;
}
.pw-btn--ghost:hover { color: #fff; background: rgba(255,255,255,.14); }

/* ---------- 通用区块 ---------- */
.pw-sec { padding: 52px 0 58px; background: #fff; }
.pw-sec--alt { background: var(--pw-bg); }

.pw-sec__hd { margin-bottom: 30px; }
.pw-sec__hd h2 {
  position: relative;
  margin: 0 0 10px;
  padding-left: 16px;
  font-size: 26px;
  line-height: 1.3;
  color: var(--pw-ink);
}
.pw-sec__hd h2::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 5px;
  border-radius: 3px;
  background: var(--pw-grad);
}
.pw-sec__hd p { margin: 0; font-size: 14px; color: var(--pw-muted); }
.pw-sec__hd .pw-more {
  float: right;
  margin-top: 8px;
  font-size: 14px;
  color: var(--pw-blue);
  text-decoration: none;
}
.pw-sec__hd .pw-more:hover { color: var(--pw-blue-dark); text-decoration: underline; }
.pw-note { margin: 16px 0 0; font-size: 13px; color: var(--pw-muted); }
/* 提示语中的注册/登录入口：蓝色加亮 + 虚线下划线（点击弹出站内注册/登录弹框） */
.pw-note__login {
  color: var(--pw-blue);
  text-decoration: none;
  border-bottom: 1px dashed var(--pw-blue);
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease;
}
.pw-note__login:hover,
.pw-note__login:focus {
  color: var(--pw-blue-dark);
  border-bottom: 1px solid var(--pw-blue-dark);
}
.pw-empty { margin: 0; padding: 30px 0; text-align: center; color: var(--pw-muted); }
.pw-empty a { color: var(--pw-blue); }

/* ---------- 核心服务 ---------- */
.pw-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 0; padding: 0;
  list-style: none;
}
.pw-srv__link {
  display: block;
  height: 100%;
  padding: 24px 22px;
  border: 1px solid var(--pw-line);
  border-radius: 10px;
  background: #fff;
  text-decoration: none;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.pw-srv__link:hover {
  transform: translateY(-3px);
  border-color: rgba(22,103,255,.45);
  box-shadow: 0 12px 28px rgba(13,79,214,.12);
}
.pw-srv__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--pw-grad);
}
.pw-srv__icon svg { width: 24px; height: 24px; }
.pw-srv__name {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--pw-ink);
}
.pw-srv__link:hover .pw-srv__name { color: var(--pw-blue); }
.pw-srv__desc { display: block; font-size: 13px; line-height: 1.7; color: var(--pw-muted); }

/* ---------- 细分领域 ---------- */
.pw-fields {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0; padding: 0;
  list-style: none;
}
.pw-field__link {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 16px 16px;
  border: 1px solid var(--pw-line);
  border-radius: 10px;
  background: #fff;
  text-decoration: none;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.pw-field__link:hover {
  transform: translateY(-3px);
  border-color: rgba(22,103,255,.45);
  box-shadow: 0 12px 26px rgba(13,79,214,.12);
}
.pw-field__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  margin-bottom: 12px;
  border-radius: 9px;
  color: var(--pw-blue);
  background: #eaf1ff;
}
.pw-field__icon svg { width: 22px; height: 22px; }
.pw-field__name {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--pw-ink);
}
.pw-field__link:hover .pw-field__name { color: var(--pw-blue); }
.pw-field__desc { display: block; font-size: 12px; line-height: 1.6; color: var(--pw-muted); }
.pw-field__tag {
  position: absolute;
  top: 12px; right: 12px;
  padding: 2px 9px;
  font-size: 11px;
  border-radius: 999px;
}
.pw-field__tag--pro { color: var(--pw-blue); background: #eaf1ff; }
.pw-field__tag--bid { color: #0a9e6c; background: #e5f7f0; }
.pw-field__tag--all { color: #fff; background: var(--pw-grad); }
/* 第 8 格：全部电力项目入口（补齐 7 个子行业的 4 列网格） */
.pw-field__link--all {
  border-style: dashed;
  background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
}
.pw-field__link--all:hover { border-color: rgba(22,103,255,.55); }
.pw-field__link--all .pw-field__icon { color: #fff; background: var(--pw-grad); }

/* ---------- 最新项目列表 ---------- */
.pw-prolist {
  margin: 0; padding: 0;
  list-style: none;
  border-top: 1px solid var(--pw-line);
}
.pw-pro {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 6px;
  border-bottom: 1px solid var(--pw-line);
}
.pw-pro:hover { background: #f8faff; }
.pw-pro__name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 15px;
  color: var(--pw-ink);
  text-decoration: none;
}
.pw-pro__name:hover { color: var(--pw-blue); text-decoration: underline; }
.pw-pro__meta {
  flex: 0 0 auto;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--pw-blue);
  background: #eaf1ff;
  border-radius: 4px;
  white-space: nowrap;
}
.pw-pro__meta--stage { color: #0a9e6c; background: #e5f7f0; }
.pw-pro__meta:empty, .pw-pro__money:empty { display: none; }
.pw-pro__money {
  flex: 0 0 auto;
  min-width: 72px;
  text-align: right;
  font-size: 14px;
  font-weight: 600;
  color: #d9760a;
  white-space: nowrap;
}
.pw-pro__date {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--pw-muted);
  white-space: nowrap;
}

/* ---------- 招投标关键词 ---------- */
.pw-bidkwhd { margin: 20px 0 12px; font-size: 14px; color: var(--pw-muted); }

.pw-kwlist {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0; padding: 0;
  list-style: none;
}
.pw-kw {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--pw-ink);
  background: #fff;
  border: 1px solid var(--pw-line);
  border-radius: 6px;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.pw-kw:hover {
  color: var(--pw-blue);
  border-color: rgba(22,103,255,.5);
  background: #f2f7ff;
}

/* ---------- 参建单位 ---------- */
.pw-roles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin: 0 0 22px; padding: 0;
  list-style: none;
}
.pw-role {
  display: block;
  padding: 18px 16px;
  border: 1px solid var(--pw-line);
  border-radius: 10px;
  background: #fff;
  font-size: 16px;
  font-weight: 600;
  color: var(--pw-ink);
  text-decoration: none;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.pw-role:hover {
  transform: translateY(-2px);
  border-color: rgba(22,103,255,.45);
  box-shadow: 0 10px 22px rgba(13,79,214,.12);
}
.pw-role small { display: block; margin-top: 6px; font-size: 12px; font-weight: 400; color: var(--pw-muted); }
.pw-kwlist--unit .pw-kw { background: #fff; }

/* ---------- 各省 ---------- */
.pw-areas {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin: 0; padding: 0;
  list-style: none;
}
.pw-area {
  display: block;
  padding: 10px 8px;
  text-align: center;
  font-size: 14px;
  color: var(--pw-ink);
  background: #fff;
  border: 1px solid var(--pw-line);
  border-radius: 6px;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.pw-area:hover {
  color: var(--pw-blue);
  border-color: rgba(22,103,255,.5);
  background: #f2f7ff;
}

/* ---------- 知识 ---------- */
.pw-knowledge h3 { margin: 26px 0 10px; font-size: 18px; color: var(--pw-ink); }
.pw-knowledge p { margin: 0 0 6px; font-size: 15px; line-height: 1.9; color: #3c4a66; }
.pw-knowledge a { color: var(--pw-blue); text-decoration: none; }
.pw-knowledge a:hover { color: var(--pw-blue-dark); text-decoration: underline; }

/* ---------- FAQ ---------- */
.pw-faq { margin: 0; }
.pw-faq dt {
  margin-top: 18px;
  padding-left: 26px;
  position: relative;
  font-size: 16px;
  font-weight: 600;
  color: var(--pw-ink);
}
.pw-faq dt::before {
  content: "Q";
  position: absolute;
  left: 0; top: 1px;
  width: 18px; height: 18px;
  line-height: 18px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  border-radius: 4px;
  background: var(--pw-grad);
}
.pw-faq dd {
  margin: 8px 0 0;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.85;
  color: #3c4a66;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .pw-fields { grid-template-columns: repeat(3, 1fr); }
  .pw-roles { grid-template-columns: repeat(3, 1fr); }
  .pw-areas { grid-template-columns: repeat(5, 1fr); }
}

/* ---------- 响应式（768px 折叠） ---------- */
@media (max-width: 768px) {
  .pw-hero { padding: 40px 0 46px; }
  .pw-h1 { font-size: 28px; }
  .pw-sub { font-size: 15px; }
  .pw-services { grid-template-columns: 1fr 1fr; }
  .pw-fields { grid-template-columns: 1fr 1fr; }
  .pw-roles { grid-template-columns: 1fr 1fr; }
  .pw-areas { grid-template-columns: repeat(3, 1fr); }
  .pw-pro { flex-wrap: wrap; gap: 6px 10px; }
  .pw-pro__name { flex-basis: 100%; white-space: normal; }
  .pw-sec { padding: 38px 0 42px; }
  .pw-sec__hd h2 { font-size: 21px; }
}
/* ---------- 数据规模条 ---------- */
.pw-stats {
  padding: 36px 0;
  background: linear-gradient(135deg, #eaf2ff 0%, #f6f9ff 55%, #eef5ff 100%);
  border-top: 1px solid var(--pw-line);
  border-bottom: 1px solid var(--pw-line);
}
.pw-stats__list { display: flex; flex-wrap: wrap; gap: 18px; margin: 0; padding: 0; list-style: none; }
.pw-stats__list li { flex: 1; min-width: 200px; text-align: center; padding: 6px 12px; border-left: 1px solid var(--pw-line); }
.pw-stats__list li:first-child { border-left: 0; }
.pw-stats__list strong { display: block; font-size: 40px; line-height: 1.15; font-weight: 800; color: var(--pw-blue); }
.pw-stats__list span { display: block; margin-top: 4px; font-size: 14px; color: var(--pw-muted); }
@media (max-width: 768px) {
  .pw-stats__list li { flex-basis: 46%; border-left: 0; }
  .pw-stats__list strong { font-size: 30px; }
}

/* ---------- 平台优势 ---------- */
.pw-adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.pw-adv li {
  background: #fff;
  border: 1px solid var(--pw-line);
  border-radius: 10px;
  padding: 26px 24px 24px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.pw-adv li:hover {
  border-color: rgba(22,103,255,.45);
  box-shadow: 0 12px 28px rgba(13,79,214,.12);
  transform: translateY(-2px);
}
.pw-adv h3 { position: relative; margin: 0 0 10px; padding-left: 14px; font-size: 17px; color: var(--pw-ink); }
.pw-adv h3::before {
  content: "";
  position: absolute; left: 0; top: 4px;
  width: 5px; height: 15px; border-radius: 3px;
  background: var(--pw-blue);
}
.pw-adv p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--pw-muted); }
@media (max-width: 992px) {
  .pw-adv { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .pw-adv { grid-template-columns: 1fr; }
}

/* ---------- 品牌介绍 ---------- */
.pw-about { max-width: 1200px; }
.pw-about p { margin: 0 0 12px; font-size: 15px; line-height: 1.95; color: #3c4a66; }
.pw-about p:last-child { margin-bottom: 0; }