/* ============================================================
   InduPort 行业门户 — 政企蓝 #123a63 / 青绿 #0e7c86 / 浅底 #eef2f6
   ============================================================ */
:root {
    --ip-bg: #eef2f6;
    --ip-surface: #ffffff;
    --ip-ink: #24374a;
    --ip-sub: #6b7f95;
    --ip-blue: #123a63;
    --ip-blue2: #1a5f9e;
    --ip-teal: #0e7c86;
    --ip-line: #dde5ee;
    --ip-radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
    background: var(--ip-bg); color: var(--ip-ink); font-size: 15px; line-height: 1.7;
}
a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--ip-blue2); }
img { max-width: 100%; }
.ip-wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部工具条 ---------- */
.ip-topbar { background: #0d2c4d; color: #9fb8d4; font-size: 12.5px; }
.ip-topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 30px; }
.ip-topbar a { color: #c6d8ea; }
.ip-topbar .ip-user a { margin-left: 12px; }

/* ---------- 频道导航 ---------- */
.ip-header { background: var(--ip-blue); }
.ip-header-inner { display: flex; align-items: center; height: 64px; gap: 30px; }
.ip-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.ip-logo img { height: 42px; width: auto; }
.ip-logo .ip-logo-text { font-size: 22px; font-weight: 800; color: #e6a23c; letter-spacing: 1px; }
.ip-nav { display: flex; flex: 1; align-items: center; }
.ip-nav a { color: #d6e4f2; padding: 20px 16px; font-size: 15px; border-bottom: 3px solid transparent; }
.ip-nav a:hover, .ip-nav a.active { color: #fff; border-bottom-color: #e6a23c; background: rgba(255,255,255,.06); }
/* 「更多」下拉（桌面端 hover 展开） */
.ip-nav-more { position: relative; }
.ip-more-arrow { font-size: 11px; margin-left: 3px; }
.ip-more-menu {
    display: none; position: absolute; top: 100%; left: 0; min-width: 150px;
    background: #fff; border: 1px solid var(--ip-line); border-radius: 6px; padding: 6px;
    box-shadow: 0 8px 22px rgba(0,0,0,.15); flex-direction: column; z-index: 999;
}
.ip-nav-more:hover .ip-more-menu { display: flex; }
.ip-more-menu a { color: var(--ip-ink) !important; border-bottom: none !important; padding: 10px 14px !important; }
.ip-more-menu a:hover { color: var(--ip-blue2) !important; background: var(--ip-bg) !important; }
.ip-header .ip-login a { color: #fff; font-size: 14px; padding: 7px 18px; border: 1px solid rgba(255,255,255,.4); border-radius: 4px; margin-left: 8px; }
.ip-header .ip-login a.primary { background: #e6a23c; border-color: #e6a23c; color: #1a1408; }
.ip-toggle { display: none; margin-left: auto; background: none; border: 1px solid rgba(255,255,255,.4); color: #fff; font-size: 20px; border-radius: 4px; padding: 3px 12px; cursor: pointer; }

/* ---------- banner ---------- */
.ip-banner {
    background: linear-gradient(120deg, #123a63 0%, #0e7c86 100%);
    color: #fff; border-radius: 0 0 10px 10px; padding: 46px 20px; margin-bottom: 24px;
}
.ip-banner h1 { font-size: 32px; margin: 0 0 10px; }
.ip-banner p { color: #cfe0ee; margin: 0 0 20px; max-width: 620px; }
.ip-banner .ip-btn { background: #fff; color: var(--ip-blue); }

/* ---------- 布局 ---------- */
.ip-main { padding: 0 0 50px; }
.ip-layout { display: grid; grid-template-columns: 1fr 330px; gap: 24px; align-items: start; }
.ip-aside { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 16px; }

/* ---------- 区块标题 ---------- */
.ip-flag { display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--ip-blue); margin-bottom: 16px; }
.ip-flag h2 { font-size: 19px; margin: 0; padding: 8px 14px 8px 0; color: var(--ip-blue); border-left: 5px solid var(--ip-teal); padding-left: 12px; }
.ip-flag a { font-size: 13px; color: var(--ip-sub); }

/* ---------- 资讯头条列表 ---------- */
.ip-newslist { list-style: none; margin: 0; padding: 0; background: var(--ip-surface); border-radius: var(--ip-radius); border: 1px solid var(--ip-line); }
.ip-newslist li { display: flex; align-items: center; gap: 14px; padding: 13px 18px; border-bottom: 1px solid var(--ip-line); }
.ip-newslist li:last-child { border-bottom: none; }
.ip-newslist .dot { width: 6px; height: 6px; background: var(--ip-teal); border-radius: 50%; flex: none; }
.ip-newslist .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.ip-newslist .d { font-size: 12.5px; color: var(--ip-sub); }
.ip-newslist .t:hover { color: var(--ip-blue2); }

/* ---------- 行业网址宫格 ---------- */
.ip-grid-block { background: var(--ip-surface); border: 1px solid var(--ip-line); border-radius: var(--ip-radius); padding: 18px; margin-bottom: 20px; }
.ip-site-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ip-site { display: flex; gap: 12px; padding: 10px; border: 1px solid transparent; border-radius: 6px; }
.ip-site:hover { background: #f3f7fb; border-color: var(--ip-line); }
.ip-site .ico { width: 44px; height: 44px; border-radius: 8px; overflow: hidden; flex: none; background: #e7eef5; }
.ip-site .ico img { width: 100%; height: 100%; object-fit: cover; }
.ip-site .body { min-width: 0; }
.ip-site h3 { margin: 0 0 3px; font-size: 14.5px; }
.ip-site p { margin: 0; font-size: 12px; color: var(--ip-sub);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 侧栏 ---------- */
.ip-widget { background: var(--ip-surface); border: 1px solid var(--ip-line); border-radius: var(--ip-radius); overflow: hidden; }
.ip-widget .hd { background: var(--ip-blue); color: #fff; padding: 10px 16px; font-size: 15px; }
.ip-widget .bd { padding: 12px 16px; }
.ip-ann-list { list-style: none; margin: 0; padding: 0; }
.ip-ann-list li { padding: 9px 0; border-bottom: 1px dashed var(--ip-line); font-size: 13.5px; }
.ip-ann-list li:last-child { border-bottom: none; }
.ip-ann-list .d { color: var(--ip-sub); font-size: 12px; }
.ip-rank { list-style: none; margin: 0; padding: 0; }
.ip-rank li { display: flex; gap: 10px; align-items: center; padding: 8px 0; font-size: 13.5px; border-bottom: 1px dashed var(--ip-line); }
.ip-rank li:last-child { border-bottom: none; }
.ip-rank .no { width: 20px; height: 20px; line-height: 20px; text-align: center; background: #e7eef5; font-size: 12px; font-weight: 700; color: var(--ip-sub); }
.ip-rank li:nth-child(-n+3) .no { background: var(--ip-teal); color: #fff; }
.ip-rank .v { margin-left: auto; color: var(--ip-sub); font-size: 12px; }

/* ---------- 企业黄页 ---------- */
.ip-yellow { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.ip-yellow .card { background: var(--ip-surface); border: 1px solid var(--ip-line); border-radius: var(--ip-radius); padding: 16px; }
.ip-yellow .card h4 { margin: 0 0 6px; font-size: 15px; }
.ip-yellow .card p { margin: 0; font-size: 12.5px; color: var(--ip-sub); }

/* ---------- 通用面板/表格/表单 ---------- */
.ip-panel { background: var(--ip-surface); border: 1px solid var(--ip-line); border-radius: var(--ip-radius); padding: 26px; margin-bottom: 20px; }
.ip-panel h1, .ip-panel h2 { color: var(--ip-blue); margin-top: 0; }
.ip-crumb { font-size: 13px; color: var(--ip-sub); margin-bottom: 16px; }
.ip-crumb a { color: var(--ip-sub); }
.ip-empty { text-align: center; color: var(--ip-sub); padding: 60px 0; }
.member-table { width: 100%; border-collapse: collapse; background: var(--ip-surface); }
.member-table th, .member-table td { padding: 12px 14px; border-bottom: 1px solid var(--ip-line); text-align: left; font-size: 14px; }
.member-table th { background: #f0f5fa; }

.ip-btn { display: inline-block; background: var(--ip-blue2); color: #fff; padding: 10px 26px; border-radius: 4px; border: none; cursor: pointer; font-size: 15px; }
.ip-btn:hover { background: var(--ip-blue); color: #fff; }
.ip-btn.ghost { background: #fff; color: var(--ip-ink); border: 1px solid var(--ip-line); }
.ip-btn.teal { background: var(--ip-teal); }
.ip-btn.sm { padding: 7px 16px; font-size: 13px; }

.ip-auth { max-width: 440px; margin: 30px auto; background: var(--ip-surface); border: 1px solid var(--ip-line); border-radius: var(--ip-radius); padding: 32px; }
.ip-auth h2 { color: var(--ip-blue); text-align: center; margin-top: 0; }
.ip-field { margin-bottom: 14px; }
.ip-auth input, .ip-auth select, .ip-auth textarea,
.ip-form input, .ip-form select, .ip-form textarea {
    width: 100%; box-sizing: border-box; padding: 11px 14px; border: 1px solid var(--ip-line); border-radius: 4px; font-size: 14px; outline: none;
}
.ip-auth input:focus, .ip-form input:focus, .ip-form select:focus, .ip-form textarea:focus { border-color: var(--ip-blue2); }
.ip-msg { padding: 10px 14px; background: #fdecea; color: #b23a30; font-size: 13px; border-left: 3px solid #b23a30; margin-bottom: 14px; }
.ip-msg.ok { background: #e6f4ee; color: #1e7a52; border-left-color: #1e7a52; }
.auth-links { text-align: center; margin-top: 16px; font-size: 13px; color: var(--ip-sub); }
.auth-links a { color: var(--ip-blue2); }

/* 会员中心 */
.member-nav { display: flex; flex-wrap: wrap; gap: 4px; background: var(--ip-surface); border: 1px solid var(--ip-line); padding: 8px; margin-bottom: 18px; }
.member-nav a { padding: 8px 16px; font-size: 14px; }
.member-nav a.active { background: var(--ip-blue); color: #fff; }
.member-nav .logout-form { margin-left: auto; }
.member-nav .logout-form button { border: 1px solid var(--ip-line); background: #fff; padding: 7px 16px; cursor: pointer; color: var(--ip-sub); }
.ip-stat-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin: 18px 0; }
.ip-stat { background: var(--ip-surface); border: 1px solid var(--ip-line); padding: 18px; text-align: center; }
.ip-stat .n { font-size: 26px; font-weight: 800; color: var(--ip-blue2); }
.ip-stat .l { font-size: 13px; color: var(--ip-sub); }

/* 文章详情 */
.ip-article h1 { font-size: 26px; margin: 0 0 12px; }
.ip-article .meta { color: var(--ip-sub); font-size: 13px; margin-bottom: 18px; display: flex; gap: 16px; flex-wrap: wrap; }
.ip-article .body { font-size: 16px; line-height: 1.9; }

/* 下载 */
.ip-dl { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.ip-dl .card { background: var(--ip-surface); border: 1px solid var(--ip-line); padding: 18px; }
.ip-dl .ic { width: 48px; height: 48px; background: var(--ip-blue); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 10px; }

/* 分页 */
.tpl-pagination { margin-top: 22px; display: flex; gap: 8px; justify-content: center; }
.tpl-pagination a, .tpl-pagination span { padding: 7px 14px; border: 1px solid var(--ip-line); background: #fff; font-size: 14px; }
.tpl-pagination span.active { background: var(--ip-blue); color: #fff; }

/* ---------- 页脚 ---------- */
.ip-footer { background: #0d2c4d; color: #9fb8d4; margin-top: 40px; }
.ip-footer a { color: #c6d8ea; }
.ip-footer-inner { padding: 40px 0 22px; }
.ip-footer-cols { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 30px; margin-bottom: 24px; }
.ip-footer h5 { color: #fff; margin: 0 0 12px; font-size: 15px; }
.ip-footer ul { list-style: none; margin: 0; padding: 0; }
.ip-footer li { margin-bottom: 8px; font-size: 13.5px; }
.ip-footer-desc { font-size: 13px; line-height: 1.9; }
.ip-copyright { border-top: 1px solid #1d4066; padding-top: 16px; text-align: center; font-size: 13px; line-height: 2; }
.ip-backtop { position: fixed; right: 24px; bottom: 30px; width: 42px; height: 42px; background: var(--ip-blue); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .ip-layout { grid-template-columns: 1fr; }
    .ip-aside { position: static; }
    .ip-site-grid, .ip-dl { grid-template-columns: repeat(2,1fr); }
    .ip-yellow { grid-template-columns: repeat(2,1fr); }
    .ip-footer-cols { grid-template-columns: 1fr; }
    .ip-stat-row { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
    .ip-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--ip-blue); z-index: 99; }
    .ip-nav.open { display: flex; }
    .ip-nav-more { width: 100%; }
    .ip-more-menu { display: flex !important; position: static; background: transparent; border: none; box-shadow: none; padding: 0 0 0 16px; }
    .ip-more-menu a { color: #d6e4f2 !important; }
    .ip-nav a { padding: 12px 20px; }
    .ip-toggle { display: block; }
    .ip-banner h1 { font-size: 24px; }
    .ip-site-grid, .ip-dl, .ip-yellow { grid-template-columns: 1fr; }
}