/* tpsoft.cn 重构版样式 —— 现代化、响应式、语义化 */
:root {
  --c-primary: #0b5cad;
  --c-primary-dark: #084475;
  --c-accent: #f39c12;
  --c-text: #2b3440;
  --c-muted: #6b7684;
  --c-bg: #f5f7fa;
  --c-border: #e3e8ee;
  --radius: 8px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.7 "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: var(--c-text); background: #fff; }
img { max-width: 100%; height: auto; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.center { text-align: center; }
.muted { color: var(--c-muted); font-size: 13px; }
.empty { color: var(--c-muted); text-align: center; padding: 40px 0; }

/* 头部 */
.site-header { background: #fff; border-bottom: 1px solid var(--c-border); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--c-text); }
.brand img { height: 44px; width: auto; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand-txt strong { font-size: 17px; white-space: nowrap; }
.brand-txt em { font-style: normal; font-size: 12px; color: var(--c-muted); letter-spacing: 3px; }
.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 4px; }
.main-nav li { position: relative; }
.main-nav a { display: block; padding: 10px 14px; color: var(--c-text); font-size: 15px; border-radius: 6px; white-space: nowrap; }
.main-nav a:hover { background: var(--c-bg); color: var(--c-primary); }
.main-nav .sub { display: none; position: absolute; top: 100%; left: 0; min-width: 190px; background: #fff; border: 1px solid var(--c-border); border-radius: 0 0 var(--radius) var(--radius); box-shadow: 0 8px 20px rgba(0,0,0,.08); padding: 6px; list-style: none; margin: 0; z-index: 60; }
.main-nav .has-sub:hover .sub, .main-nav .has-sub:focus-within .sub { display: block; }
.header-phone { color: var(--c-primary); font-weight: 700; font-size: 16px; white-space: nowrap; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--c-border); font-size: 20px; padding: 4px 12px; border-radius: 6px; cursor: pointer; }

/* 面包屑 */
.crumb { padding: 10px 16px; }
.crumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 0; font-size: 13px; color: var(--c-muted); }
.crumb li + li::before { content: "/"; margin-right: 4px; }

/* ══════════ 原有通用样式 ══════════ */

/* 图片缺失占位（main.js 自动替换） */
.img-fallback {
  display: flex; align-items: center; justify-content: center;
  min-height: 80px; padding: 8px; font-size: 13px; color: #8a97a5;
  background: repeating-linear-gradient(45deg, #eef2f6 0 12px, #e6ecf2 12px 24px);
  border: 1px dashed #c8d2dd; border-radius: 6px; overflow: hidden; text-align: center;
}
.hero .img-fallback { width: 100%; aspect-ratio: 21/8; min-height: 300px; max-height: 420px; border: none; border-radius: 0; font-size: 16px; }
.prod-card .img-fallback { width: 100%; aspect-ratio: 4/3; }
.detail-pic .img-fallback { min-height: 200px; }

/* 区块 */
.section { margin: 36px 0; }
.sec-title { font-size: 22px; border-left: 4px solid var(--c-primary); padding-left: 12px; margin: 0 0 18px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { color: var(--c-muted); font-size: 14px; margin: 0 0 10px; }
.more { font-size: 14px; }

/* 产品 */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.prod-card { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s; background: #fff; }
.prod-card:hover { box-shadow: 0 6px 18px rgba(11,92,173,.12); }
.prod-card img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #fff; padding: 8px; }
.prod-card .noimg { aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; color: var(--c-muted); background: var(--c-bg); }
.prod-card h3 { font-size: 15px; margin: 8px 12px; }
.prod-card p { font-size: 13px; color: var(--c-muted); margin: 0 12px 12px; }
.btn { display: inline-block; background: var(--c-primary); color: #fff; padding: 9px 22px; border-radius: var(--radius); border: none; font-size: 15px; cursor: pointer; }
.btn:hover { background: var(--c-primary-dark); color: #fff; }
.btn.ghost { background: #fff; color: var(--c-primary); border: 1px solid var(--c-primary); }

/* 侧栏 */
.side-nav { list-style: none; margin: 0; padding: 0; border: 1px solid var(--c-border); border-radius: var(--radius); }
.side-nav > li { border-bottom: 1px solid var(--c-border); }
.side-nav > li:last-child { border-bottom: none; }
.side-nav a { display: block; padding: 10px 14px; color: var(--c-text); }
.side-nav .cur > a { background: var(--c-primary); color: #fff; border-radius: var(--radius); }
.side-sub { list-style: none; padding: 0 0 8px 22px; margin: 0; }
.side-sub a { padding: 4px 0; color: var(--c-muted); font-size: 14px; }

/* 列表 */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--c-border); }
.news-list time { color: var(--c-muted); font-size: 13px; white-space: nowrap; }
.news-big { list-style: none; margin: 0; padding: 0; }
.news-big li { padding: 14px 0; border-bottom: 1px solid var(--c-border); }
.news-title { font-size: 17px; font-weight: 600; }
.news-big p { color: var(--c-muted); font-size: 14px; margin: 6px 0; }
.meta { display: flex; gap: 16px; color: var(--c-muted); font-size: 13px; }
.page-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.page-list li { border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.page-list a { font-size: 17px; font-weight: 600; }
.page-list p { color: var(--c-muted); font-size: 14px; margin: 8px 0 0; }

/* 详情 */
.detail { padding: 20px 16px 40px; }
.detail-head { display: grid; grid-template-columns: 380px 1fr; gap: 28px; margin-bottom: 24px; }
.detail-pic { border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px; background: #fff; }
.spec { border-collapse: collapse; width: 100%; }
.spec th, .spec td { border: 1px solid var(--c-border); padding: 8px 12px; font-size: 14px; text-align: left; }
.spec th { background: var(--c-bg); width: 90px; color: var(--c-muted); font-weight: 500; }
.hot { color: var(--c-accent); font-weight: 700; font-size: 17px !important; }
.article h1 { font-size: 24px; line-height: 1.4; }
.article .meta { margin: 8px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--c-border); }
.rich { overflow-wrap: break-word; }
.rich img { border-radius: 6px; }

/* 正文排版：产品/文章/单页共用一套，保证不同来源的内容观感一致 */
.rich > *:first-child { margin-top: 0; }
.rich p { margin: 0 0 13px; }
.rich p.sub { font-weight: 600; color: #16202b; margin: 20px 0 9px; }
.rich p.sub:first-child { margin-top: 0; }
.rich ul, .rich ol { margin: 0 0 14px; padding-left: 22px; }
.rich li { margin: 5px 0; }
.rich ul.num, .rich ul.kv { list-style: none; padding-left: 0; }
.rich ul.num li { margin: 5px 0; }
.rich ul.kv li { margin: 3px 0; color: #3d4b59; }
.rich h2, .rich h3, .rich h4 { margin: 22px 0 10px; line-height: 1.45; }
.rich table { border-collapse: collapse; width: 100%; margin: 0 0 16px; font-size: 14px; }
.rich th, .rich td { border: 1px solid var(--c-border); padding: 8px 11px; text-align: left; vertical-align: top; }
.rich th { background: var(--c-bg); font-weight: 600; }
.rich blockquote { margin: 0 0 14px; padding: 10px 16px; border-left: 3px solid var(--c-border); background: var(--c-bg); color: #4a5a6a; }
.rich hr { border: none; border-top: 1px solid var(--c-border); margin: 18px 0; }
@media (max-width: 640px) { .rich table { display: block; overflow-x: auto; } }
.pn { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.pn a { font-size: 14px; }
.page-title { font-size: 24px; margin: 10px 0 6px; }

/* 表单 */
.msg-form { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; }
.msg-form label { display: block; margin-bottom: 12px; font-size: 14px; }
.msg-form input, .msg-form textarea { width: 100%; margin-top: 4px; padding: 9px 10px; border: 1px solid var(--c-border); border-radius: 6px; font: inherit; }
.footer-form input, .footer-form textarea { width: 100%; margin-bottom: 8px; padding: 8px 10px; border: 1px solid #3a4655; border-radius: 6px; background: #17202b; color: #dbe2ea; font: inherit; }
.footer-form button { background: var(--c-primary); color: #fff; border: none; padding: 8px 18px; border-radius: 6px; cursor: pointer; }
.ok { color: #1c8a4b; font-weight: 600; }

/* 分页 */
.pager { display: flex; gap: 6px; justify-content: center; margin: 26px 0; flex-wrap: wrap; }
.pager a, .pager strong, .pager span { padding: 6px 12px; border: 1px solid var(--c-border); border-radius: 6px; font-size: 14px; }
.pager strong { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pager .off { color: #b6bec8; }
.pager .dots { border: none; }

/* 页脚 */
.site-footer { background: #101820; color: #9aa7b5; margin-top: 48px; padding: 36px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.site-footer h3 { color: #fff; font-size: 16px; margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer a { color: #9aa7b5; }
.site-footer a:hover { color: #fff; }
.copyright { border-top: 1px solid #24303c; margin-top: 28px; padding: 14px 16px; font-size: 13px; }
.copyright p { margin: 0; }

/* 404 */
.e404 { padding: 70px 16px; }
.e404 h1 { font-size: 72px; margin: 0; color: var(--c-primary); }

/* 响应式 */
@media (max-width: 900px) {
  .two-col, .detail-head { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--c-border); }
  body.nav-open .main-nav { display: block; }
  .main-nav > ul { flex-direction: column; padding: 8px 16px; }
  .main-nav .sub { position: static; display: block; border: none; box-shadow: none; padding-left: 18px; }
  .header-phone { display: none; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { flex-shrink: 0; }
}
@media (max-width: 400px) {
  .header-inner { gap: 10px; }
  .brand { min-width: 0; }
  .brand img { height: 32px; }
  .brand-txt { min-width: 0; }
  .brand-txt strong { font-size: 13px; max-width: 150px; overflow: hidden; text-overflow: ellipsis; }
  .brand-txt em { font-size: 10px; letter-spacing: 1px; }
  .nav-toggle { padding: 4px 10px; }
}

/* ══════════ 首页 2026 现代版式 ══════════ */

/* --- Hero --- */
.home-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(94,177,255,.28), transparent 60%),
    radial-gradient(700px 380px at -10% 110%, rgba(243,156,18,.14), transparent 55%),
    linear-gradient(120deg, #082238 0%, #0b5cad 78%, #1170c4 100%);
}
.home-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1.6px);
  background-size: 26px 26px; mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 72px 16px 84px; }
.hero-eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; color: #bfe0ff; border: 1px solid rgba(191,224,255,.35); border-radius: 999px; padding: 5px 14px; margin: 0 0 18px; }
.home-hero h1 { margin: 0 0 18px; font-size: 40px; line-height: 1.28; letter-spacing: 1px; }
.hero-sub { margin: 0 0 28px; font-size: 16px; line-height: 1.9; color: rgba(255,255,255,.82); max-width: 560px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 40px; list-style: none; margin: 0; padding: 26px 0 0; border-top: 1px solid rgba(255,255,255,.16); }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 30px; font-weight: 700; line-height: 1.1; }
.hero-stats strong i { font-style: normal; font-size: 15px; margin-left: 2px; color: #9fd1ff; }
.hero-stats span { font-size: 13px; color: rgba(255,255,255,.66); margin-top: 5px; }

.hero-visual { position: relative; }
.hero-card {
  border-radius: 18px; padding: 18px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.18); box-shadow: 0 30px 70px rgba(3,20,38,.45);
  backdrop-filter: blur(6px); transform: rotate(1.2deg);
  animation: heroFloat 7s ease-in-out infinite;
}
.hero-card svg { width: 100%; height: auto; display: block; border-radius: 10px; }
@keyframes heroFloat { 0%,100% { transform: rotate(1.2deg) translateY(0); } 50% { transform: rotate(1.2deg) translateY(-10px); } }
.hero-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--c-text); font-size: 13px; font-weight: 600;
  padding: 9px 16px; border-radius: 999px; box-shadow: 0 12px 30px rgba(3,20,38,.35);
}
.hero-chip svg { width: 17px; height: 17px; color: var(--c-primary); }
.hero-chip1 { top: -14px; right: 8%; }
.hero-chip1 .dot { width: 9px; height: 9px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,.18); }
.hero-chip2 { bottom: -14px; left: 4%; }

/* --- 按钮扩展 --- */
.btn-lg { padding: 13px 30px; font-size: 16px; }
.btn-light { background: #fff; color: var(--c-primary); }
.btn-light:hover { background: #eaf3fc; color: var(--c-primary-dark); }
.btn-ghost { background: transparent; color: var(--c-primary); border: 1px solid currentColor; }
.btn-ghost:hover { background: var(--c-primary); color: #fff; }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.75); }
.btn-outline-light:hover { background: rgba(255,255,255,.14); color: #fff; }

/* --- 核心优势 --- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: -34px; position: relative; z-index: 2; }
.adv-item {
  display: flex; gap: 14px; align-items: flex-start; background: #fff;
  border: 1px solid var(--c-border); border-radius: 14px; padding: 20px 18px;
  box-shadow: 0 12px 34px rgba(8,34,56,.08);
}
.adv-icon { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, #e8f2fc, #d5e8fa); color: var(--c-primary); }
.adv-icon svg { width: 23px; height: 23px; }
.adv-item h3 { margin: 0 0 4px; font-size: 15.5px; }
.adv-item p { margin: 0; font-size: 13px; color: var(--c-muted); line-height: 1.65; }

/* --- 区块通用头 --- */
.section-tint { background: var(--c-bg); padding: 56px 0; margin: 48px 0; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.sec-title-lg { font-size: 28px; margin: 0 0 8px; letter-spacing: .5px; }
.sec-desc { margin: 0; color: var(--c-muted); font-size: 14.5px; }

/* --- 解决方案卡 --- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sol-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-border);
  border-radius: 14px; padding: 26px 22px 22px; color: inherit;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(8,34,56,.12); border-color: #bcd7f0; color: inherit; }
.sol-icon {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px;
  background: linear-gradient(135deg, #0b5cad, #2f8ae0); color: #fff; margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(11,92,173,.28);
}
.sol-icon svg { width: 26px; height: 26px; }
.sol-thumb img { width: 100%; height: 120px; object-fit: cover; border-radius: 10px; margin-bottom: 14px; }
.sol-card h3 { margin: 0 0 8px; font-size: 17.5px; }
.sol-card p { margin: 0 0 16px; font-size: 13.5px; color: var(--c-muted); line-height: 1.75; flex: 1; }
.sol-more { font-size: 13.5px; color: var(--c-primary); font-weight: 600; }
.sol-more i { font-style: normal; display: inline-block; transition: transform .2s; }
.sol-card:hover .sol-more i { transform: translateX(4px); }

/* --- 产品网格（首页放大版） --- */
.prod-grid-lg { grid-template-columns: repeat(4, 1fr); }
.prod-grid-lg .prod-card h3 { font-size: 15.5px; }

/* --- CTA 横幅 --- */
.cta-band {
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  border-radius: 18px; padding: 44px 46px; color: #fff;
  background:
    radial-gradient(600px 240px at 90% -20%, rgba(94,177,255,.35), transparent 60%),
    linear-gradient(115deg, #082238, #0b5cad);
  box-shadow: 0 24px 60px rgba(8,34,56,.25);
}
.cta-band h2 { margin: 0 0 8px; font-size: 25px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.78); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 响应式（首页） */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; padding: 56px 16px 64px; }
  .hero-visual { display: none; }
  .adv-grid { grid-template-columns: 1fr 1fr; margin-top: 24px; }
  .sol-grid { grid-template-columns: 1fr 1fr; }
  .prod-grid-lg { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .home-hero h1 { font-size: 28px; }
  .hero-stats { gap: 22px; flex-wrap: wrap; }
  .adv-grid, .sol-grid { grid-template-columns: 1fr; }
  .prod-grid-lg { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 30px 24px; }
}

/* 修复：同元素叠加 .wrap 与 .section 时，.section 的 margin 覆盖了 .wrap 的 auto 居中 */
.wrap.section { margin-left: auto; margin-right: auto; }

/* ══════════ 列表页：窄侧栏 + 内容区 ══════════ */
.list-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; padding-top: 22px; padding-bottom: 46px; }
.list-layout > .side { position: sticky; top: 86px; }
.side-title { margin: 0; padding: 13px 16px; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: 1px; background: linear-gradient(135deg, var(--c-primary), #1a7fd4); border-radius: var(--radius) var(--radius) 0 0; }
.side-nav { border: 1px solid var(--c-border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; background: #fff; }
.side-nav > li { border-bottom: 1px solid var(--c-border); }
.side-nav > li:last-child { border-bottom: none; }
.side-nav a { display: block; padding: 11px 16px; font-size: 14px; color: var(--c-text); border-left: 3px solid transparent; transition: background .18s, color .18s, border-color .18s; }
.side-nav a:hover { background: #f3f8fe; color: var(--c-primary); border-left-color: var(--c-primary); }
.side-nav .cur > a { background: #f2f8ff; color: var(--c-primary); font-weight: 700; border-left-color: var(--c-primary); }
.side-sub { list-style: none; margin: 0; padding: 4px 0 6px; background: #fbfcfe; }
.side-sub a { padding: 6px 16px 6px 28px; font-size: 13px; color: var(--c-muted); }
.side-more { margin: 0 0 6px; padding: 8px 16px 8px 28px; font-size: 13px; color: var(--c-muted); }
.list-layout .prod-grid { margin-top: 14px; }

/* 侧栏联系卡 */
.side-cta { margin-top: 18px; padding: 18px; border-radius: var(--radius); background: linear-gradient(160deg, #0b5cad, #072f52); color: #fff; }
.side-cta h4 { margin: 0 0 6px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,.72); letter-spacing: .5px; }
.side-cta strong { display: block; font-size: 19px; letter-spacing: .5px; margin-bottom: 14px; }
.side-cta a.btn-mini { display: block; text-align: center; padding: 9px; border-radius: 6px; background: rgba(255,255,255,.15); color: #fff; font-size: 13px; border: 1px solid rgba(255,255,255,.24); }
.side-cta a.btn-mini:hover { background: #fff; color: var(--c-primary); }

@media (max-width: 900px) {
  .list-layout { grid-template-columns: minmax(0, 1fr); }
  .list-layout > .side { position: static; }
  .side-cta { display: none; }
}

/* ══════════ 解决方案详情 ══════════ */
.sol-hero { background: radial-gradient(1100px 320px at 15% 0%, #14487f 0%, #072b4c 55%, #051f36 100%); color: #fff; }
.sol-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 32px; align-items: center; padding: 52px 16px 56px; }
.sol-eyebrow { margin: 0 0 12px; font-size: 12px; letter-spacing: 3px; color: #7dbdf5; text-transform: uppercase; }
.sol-hero h1 { margin: 0 0 14px; font-size: 34px; line-height: 1.3; }
.sol-lead { margin: 0 0 24px; font-size: 15px; line-height: 1.9; color: rgba(255,255,255,.78); max-width: 720px; }
.sol-acts { display: flex; flex-wrap: wrap; gap: 12px; }
.sol-hero-icon { width: 160px; height: 160px; border-radius: 26px; display: grid; place-items: center; color: #9fd0ff; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); box-shadow: 0 18px 40px rgba(0,0,0,.22); }
.sol-hero-icon svg { width: 74px; height: 74px; }
.sol-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; align-items: start; padding-top: 34px; padding-bottom: 56px; }
.sol-rich { min-width: 0; }
.sol-rich h2 { margin: 34px 0 14px; padding-left: 12px; font-size: 21px; line-height: 1.5; border-left: 4px solid var(--c-primary); }
.sol-rich h2:first-child { margin-top: 0; }
.sol-rich h3 { margin: 22px 0 10px; font-size: 17px; }
.sol-rich p { margin: 0 0 14px; color: #45505e; line-height: 1.95; font-size: 15px; }
.sol-rich ul, .sol-rich ol { margin: 0 0 16px; padding-left: 20px; }
.sol-rich li { margin: 0 0 9px; line-height: 1.9; color: #45505e; font-size: 15px; }
.sol-rich li strong { color: var(--c-text); }
.sol-rich blockquote { margin: 0 0 18px; padding: 14px 18px; background: #f5f9fe; border-left: 4px solid #9dc7ee; border-radius: 0 8px 8px 0; color: #3d4b5c; font-size: 14px; }
.sol-aside { position: sticky; top: 86px; }
.sol-aside h3 { margin: 0 0 12px; font-size: 15px; }
.sol-nav { list-style: none; margin: 0 0 20px; padding: 0; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.sol-nav li + li { border-top: 1px solid var(--c-border); }
.sol-nav a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; font-size: 14px; color: var(--c-text); }
.sol-nav a:hover { background: #f3f8fe; color: var(--c-primary); }
.sol-nav .cur a { background: #f2f8ff; color: var(--c-primary); font-weight: 700; box-shadow: inset 3px 0 0 var(--c-primary); }
.sol-nav svg { width: 18px; height: 18px; flex: none; color: var(--c-primary); }
@media (max-width: 900px) {
  .sol-hero-in { grid-template-columns: 1fr; padding: 36px 16px 40px; }
  .sol-hero-icon { display: none; }
  .sol-hero h1 { font-size: 25px; }
  .sol-layout { grid-template-columns: 1fr; }
  .sol-aside { position: static; }
}
.list-layout .side-nav .cur > a { border-radius: 0; }

/* 移动端：分类改为横向滑动的胶囊标签，避免长列表把内容压到很下面 */
@media (max-width: 900px) {
  .list-layout .side-title { display: none; }
  .list-layout .side-nav { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 12px; border: none; border-radius: 0; background: none; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .list-layout .side-nav::-webkit-scrollbar { display: none; }
  .list-layout .side-nav > li { flex: none; border: 1px solid var(--c-border); border-radius: 999px; background: #fff; }
  .list-layout .side-nav > li:last-child { border-bottom: 1px solid var(--c-border); }
  .list-layout .side-sub { display: none; }
  .list-layout .side-nav a { border-left: none; padding: 7px 15px; font-size: 13px; white-space: nowrap; border-radius: 999px; }
  .list-layout .side-nav .cur > a { border-radius: 999px; }
}

/* 极窄屏：产品卡两列，避免单列图片过大 */
@media (max-width: 560px) {
  .list-layout .prod-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .list-layout .prod-grid .prod-card h3 { font-size: 14px; margin: 6px 10px; }
  .list-layout .prod-grid .prod-card p { font-size: 12px; margin: 0 10px 10px; }
}

/* 表单提示 */
.ok { color: #1c8a4b; font-weight: 600; }
.err { color: #b42318; background: #fdecea; border: 1px solid #f5c6c1; padding: 8px 12px; border-radius: 6px; font-size: 14px; }

/* 无图占位：用线性图标代替"无图"文字，保持卡片视觉一致 */
.prod-card .noimg svg { width: 36px; height: 36px; opacity: .28; }

/* 详情页空态：主图缺失与正文缺失时保持版式完整，不出现破图/大片空白 */
.detail-pic-empty { display: grid; place-items: center; min-height: 260px; border-style: dashed; }
.detail-pic-empty svg { width: 64px; height: 64px; opacity: .22; }
.rich-empty { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 26px 28px; }
.rich-empty p { margin: 0 0 14px; }
.rich-empty .btn { margin-right: 10px; }

/* 文档页：动图演示的说明段、上下篇、同栏目文档 */
.doc-note { background: var(--c-bg); border-left: 3px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; padding: 14px 18px; margin: 0 0 22px; color: var(--c-text); font-size: 15px; line-height: 1.85; }
.doc-pager { display: flex; justify-content: space-between; gap: 16px; margin: 28px 0 0; padding-top: 18px; border-top: 1px solid var(--c-border); font-size: 15px; }
.doc-pager a { color: var(--c-primary); text-decoration: none; max-width: 48%; }
.doc-pager a:hover { text-decoration: underline; }
.doc-pager .next { text-align: right; margin-left: auto; }
.doc-rel { margin: 34px 0 0; padding: 22px 24px; background: var(--c-bg); border: 1px solid var(--c-border); border-radius: var(--radius); }
.doc-rel .sec-title { font-size: 18px; margin-bottom: 12px; }
.doc-rel .news-list li { font-size: 15px; }
.doc-rel .muted { margin: 12px 0 0; font-size: 14px; }
@media (max-width: 640px) {
  .doc-pager { flex-direction: column; gap: 10px; }
  .doc-pager a { max-width: 100%; }
  .doc-pager .next { text-align: left; }
}