/* TRCMS 前台主题（浅色·默认）v3 —— 参考依图官网的设计尺度与版式节奏
   深色风格见 site-dark.css（body.theme-dark 作用域覆盖，后台可切换） */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-deep: #16324f;
  --primary-light: #eff6ff;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #9ca3af;
  --bg: #f7f8fa;
  --bg-card: #ffffff;
  --border: #e5e7eb;
  --border-2: #d1d5db;
  --danger: #dc2626;
  --success: #059669;
  --warn: #b45309;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(17, 24, 39, .06);
  --shadow-lg: 0 20px 48px rgba(17, 24, 39, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --maxw: 1200px;
  --header-h: 68px;
  --section-pad: 64px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font: 15px/1.8 "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: color .18s; }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 860px; }
.muted { color: var(--text-3); font-size: 13px; }

/* ---------- 头部 ---------- */
.site-header { position: sticky; top: 0; z-index: 100; height: var(--header-h); background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); transition: box-shadow .25s; }
.site-header.scrolled { box-shadow: 0 8px 30px rgba(17, 24, 39, .08); }
.header-inner { display: flex; align-items: center; gap: 30px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 17px; letter-spacing: .5px; }
.brand:hover { color: var(--text); }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 800; box-shadow: 0 4px 14px rgba(37, 99, 235, .3); }
.brand-name { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.main-nav { display: flex; gap: 2px; flex: 1; }
.nav-item { position: relative; border-radius: var(--radius-sm); }
.nav-item > a { position: relative; display: block; padding: 9px 16px; border-radius: var(--radius-sm); font-size: 15px; letter-spacing: .5px; }
.nav-item > a:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-item > a.active { color: var(--primary); font-weight: 600; }
.nav-item > a.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--primary); }
.nav-item.has-sub:hover .nav-sub { display: block; }
.nav-sub { display: none; position: absolute; top: 100%; left: 0; min-width: 168px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 8px; }
.nav-sub a { display: block; padding: 9px 14px; border-radius: 6px; font-size: 14px; color: var(--text-2); }
.nav-sub a:hover { color: var(--primary-dark); background: var(--primary-light); }
.header-side { display: flex; align-items: center; gap: 16px; }
.header-search { display: flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; background: var(--bg); transition: border-color .2s, box-shadow .2s; }
.header-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.header-search input { border: 0; outline: none; background: transparent; padding: 7px 4px 7px 15px; width: 128px; font-size: 13px; transition: width .25s; color: var(--text); }
.header-search:focus-within input { width: 180px; }
.header-search button { border: 0; background: transparent; padding: 0 13px; cursor: pointer; color: var(--text-3); }
.member-box { font-size: 13px; color: var(--text-2); display: flex; gap: 6px; white-space: nowrap; }
.member-box .sep { color: var(--border-2); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 22px; cursor: pointer; color: var(--text); }

/* ---------- 全屏 Hero ---------- */
.hero-full { position: relative; min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; overflow: hidden; color: #fff; }
.hero-bg, .hero-bg-item { position: absolute; inset: 0; }
.hero-bg-item { background-size: cover; background-position: center; opacity: 0; transform: scale(1.08); transition: opacity 1.2s var(--ease), transform 6s linear; }
.hero-bg-item.on { opacity: 1; transform: scale(1); animation: kenburns 9s var(--ease) forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.07); } }
.hero-bg-plain { background: radial-gradient(1000px 560px at 76% 20%, rgba(37, 99, 235, .5), transparent 62%), radial-gradient(760px 480px at 12% 90%, rgba(14, 165, 233, .35), transparent 60%), linear-gradient(160deg, #10233f, #16324f 55%, #1d4ed8 130%); }
.hero-mask { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7, 15, 30, .78) 20%, rgba(7, 15, 30, .38) 58%, rgba(7, 15, 30, .18)); }
.hero-content { position: relative; z-index: 2; padding: 100px 28px 130px; max-width: 860px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 4px; color: rgba(255, 255, 255, .85); margin-bottom: 26px; }
.hero-eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--primary); }
.hero-content h1 { font-size: clamp(38px, 5.6vw, 64px); line-height: 1.22; font-weight: 800; letter-spacing: 1px; margin-bottom: 24px; color: #fff; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hero-content h1 em { font-style: normal; color: #60a5fa; }
.hero-sub { font-size: clamp(15px, 1.6vw, 18px); color: rgba(255, 255, 255, .78); max-width: 620px; margin-bottom: 42px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots-full { position: absolute; z-index: 3; bottom: 42px; right: 48px; display: flex; gap: 10px; }
.hero-dots-full i { width: 30px; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .3); cursor: pointer; transition: .25s; }
.hero-dots-full i.active { background: #fff; box-shadow: 0 0 12px rgba(255, 255, 255, .7); }
.hero-scroll { position: absolute; z-index: 3; bottom: 36px; left: 50%; transform: translateX(-50%); color: rgba(255, 255, 255, .55); font-size: 11px; letter-spacing: 4px; animation: floatY 2.2s ease-in-out infinite; }
.hero-scroll::after { content: ""; display: block; width: 1px; height: 26px; background: linear-gradient(rgba(255,255,255,.6), transparent); margin: 6px auto 0; }
@keyframes floatY { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- 新闻快讯条 ---------- */
.ticker { background: var(--bg-card); border-bottom: 1px solid var(--border); overflow: hidden; }
.ticker-inner { display: flex; align-items: center; gap: 20px; height: 50px; }
.ticker-label { flex-shrink: 0; display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 12px; letter-spacing: 2px; font-weight: 600; }
.ticker-label::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .15); animation: pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity: .4; } }
.ticker-track { flex: 1; overflow: hidden; }
.ticker-move { display: flex; gap: 64px; white-space: nowrap; width: max-content; animation: marquee 46s linear infinite; }
.ticker-track:hover .ticker-move { animation-play-state: paused; }
.ticker-move a { font-size: 13.5px; color: var(--text-2); }
.ticker-move a:hover { color: var(--primary); }
.ticker-move a::before { content: "▪"; color: var(--primary); margin-right: 9px; font-size: 10px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 区块通用（大留白 + 居中区块头） ---------- */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-card); border-block: 1px solid var(--border); }
.s-head { text-align: center; max-width: 760px; margin: 0 auto 42px; }
.s-tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 5px; color: var(--primary); margin-bottom: 16px; }
.s-tag::before { content: "— "; color: var(--text-3); letter-spacing: 0; }
.s-tag::after { content: " —"; color: var(--text-3); letter-spacing: 0; }
.s-head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; letter-spacing: 1px; color: var(--text); margin-bottom: 16px; }
.s-sub { color: var(--text-2); font-size: 15.5px; }
.s-more { text-align: center; margin-top: 32px; }

/* ---------- 卡片 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 26px; }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); }
/* 首屏区块（产品/动态各 4 条数据）：大屏固定 4 列一行铺满，避免 auto-fill 掉出 3+1 断行 */
@media (min-width: 1100px) {
  .card-grid, .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.card { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, .35); color: var(--text); }
.card-cover { aspect-ratio: 16/10; overflow: hidden; background: var(--bg); }
.card-plain .card-cover { aspect-ratio: 4/3; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .card-cover img { transform: scale(1.06); }
.card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.card h3 { font-size: 17.5px; line-height: 1.55; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 13.5px; color: var(--text-2); flex: 1; }
.card-more { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: var(--primary); }
.card-more::after { content: "→"; transition: transform .25s; }
.card:hover .card-more::after { transform: translateX(5px); }

/* ---------- 新闻 ---------- */
.news-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; }
.news-feature { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 380px; display: flex; align-items: flex-end; border: 1px solid var(--border); box-shadow: var(--shadow); transition: box-shadow .3s, border-color .3s; color: #fff; }
.news-feature:hover { box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, .4); color: #fff; }
.news-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-feature:hover img { transform: scale(1.05); }
.news-feature-body { position: relative; z-index: 2; padding: 34px; width: 100%; background: linear-gradient(transparent, rgba(9, 16, 32, .88) 46%); }
.news-feature h3 { font-size: 22px; margin: 12px 0 10px; }
.news-feature p { color: rgba(255, 255, 255, .75); font-size: 14px; }
.news-feature .meta { color: rgba(255, 255, 255, .65); }
.news-side { display: grid; gap: 16px; align-content: start; }
.news-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.news-item:hover { transform: translateX(6px); box-shadow: var(--shadow); border-color: rgba(37, 99, 235, .3); }
.news-item h4 { font-size: 15.5px; margin: 8px 0 6px; line-height: 1.55; }
.news-item p { font-size: 13px; color: var(--text-2); }
.meta { display: flex; gap: 14px; align-items: center; color: var(--text-3); font-size: 12.5px; }
.tag-c { color: var(--primary); border: 1px solid rgba(37, 99, 235, .3); border-radius: 4px; padding: 0 8px; font-size: 11.5px; }

/* ---------- 合作伙伴 ---------- */
.partner-wall { display: flex; flex-wrap: nowrap; overflow-x: auto; scroll-snap-type: x proximity; gap: 16px; padding-bottom: 8px; scrollbar-width: thin; }
.partner { scroll-snap-align: start; flex-shrink: 0; display: grid; place-items: center; min-width: 210px; height: 96px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); color: var(--text-2); font-size: 15px; letter-spacing: 1px; transition: .22s; }
.partner:hover { color: var(--text); border-color: var(--border-2); box-shadow: var(--shadow); }

/* ---------- CTA ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: 20px; background: linear-gradient(120deg, var(--primary-deep), var(--primary) 55%, #3b82f6); color: #fff; padding: 76px 56px; text-align: center; box-shadow: 0 24px 60px rgba(22, 50, 79, .35); }
.cta-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 52px 52px; mask-image: radial-gradient(600px 300px at 50% 0%, #000 30%, transparent 75%); }
.cta-band h2 { font-size: clamp(26px, 3.2vw, 36px); letter-spacing: 1px; margin-bottom: 14px; position: relative; }
.cta-band p { color: rgba(255, 255, 255, .78); margin-bottom: 34px; position: relative; }
.cta-band .hero-actions { justify-content: center; position: relative; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 11px 30px; border-radius: 10px; border: 1px solid transparent; font-size: 14px; letter-spacing: 1px; cursor: pointer; transition: .24s var(--ease); }
.btn-lg { padding: 14px 38px; font-size: 15px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(37, 99, 235, .28); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(37, 99, 235, .38); }
.btn-ghost { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .55); color: #fff; backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); color: #fff; border-color: #fff; }
.btn-outline { background: transparent; border-color: var(--border-2); color: var(--text-2); }
.btn-outline:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-light); transform: none; box-shadow: none; }
.cta-band .btn-primary { background: #fff; color: var(--primary-deep); box-shadow: 0 8px 24px rgba(0, 0, 0, .2); }
.cta-band .btn-primary:hover { background: #f0f6ff; }
.cta-band .btn-outline { border-color: rgba(255, 255, 255, .6); color: #fff; }
.cta-band .btn-outline:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: #fff; }
.btn-danger { background: #fef2f2; color: var(--danger); }
.btn-sm { padding: 5px 13px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; }

/* ---------- 页面横幅（列表/详情） ---------- */
.page-banner { position: relative; background: linear-gradient(135deg, var(--primary-deep) 20%, var(--primary) 120%); color: #fff; padding: 72px 0 60px; overflow: hidden; }
.page-banner::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(720px 320px at 60% 0%, #000 25%, transparent 72%); }
.page-banner .container { position: relative; }
.page-banner h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; letter-spacing: 1px; margin-bottom: 12px; }
.page-banner p { color: rgba(255, 255, 255, .75); max-width: 740px; }
.crumbs { font-size: 13px; color: rgba(255, 255, 255, .6); display: flex; gap: 6px; flex-wrap: wrap; }
.crumbs em { font-style: normal; color: #fff; }

/* ---------- 列表布局 ---------- */
.list-layout { display: grid; grid-template-columns: 244px 1fr; gap: 34px; padding: 52px 28px 96px; }
.list-side { display: grid; gap: 20px; align-content: start; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.side-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.side-title { font-weight: 700; padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--border); font-size: 15px; letter-spacing: 1px; }
.side-link { display: block; padding: 10px 13px; border-radius: var(--radius-sm); font-size: 14px; color: var(--text-2); }
.side-link:hover { background: var(--primary-light); color: var(--primary-dark); }
.side-link.active { background: var(--primary); color: #fff; }
.side-contact p { font-size: 13px; margin-bottom: 7px; color: var(--text-2); }
.side-contact .btn { margin-top: 8px; }

/* 列表行 */
.post-list { display: grid; gap: 18px; }
.post-row { display: flex; gap: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; align-items: center; transition: transform .28s var(--ease), box-shadow .28s, border-color .28s; }
.post-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, .3); }
.post-row-cover { width: 208px; height: 136px; object-fit: cover; border-radius: 10px; flex-shrink: 0; }
.post-row-body h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.55; }
.post-row-body p { font-size: 13.5px; color: var(--text-2); margin-bottom: 10px; }
.news-row { display: flex; gap: 22px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 26px; transition: .26s var(--ease); }
.news-row:hover { border-color: rgba(37, 99, 235, .3); box-shadow: var(--shadow); }
.news-date { text-align: center; flex-shrink: 0; width: 70px; border-right: 1px solid var(--border); padding-right: 18px; }
.news-date b { display: block; font-size: 28px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.news-date span { font-size: 12px; color: var(--text-3); }
.news-row-body h3 { font-size: 17px; margin-bottom: 8px; }

/* 过滤 tab / 方案块 / 帮助 */
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin: 34px 0 30px; }
.filter-tab { border: 1px solid var(--border); background: var(--bg-card); padding: 9px 24px; border-radius: 999px; font-size: 14px; color: var(--text-2); transition: .2s; }
.filter-tab.active, .filter-tab:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.solution-blocks { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin: 0 0 44px; }
.solution-block { position: relative; background: linear-gradient(180deg, var(--primary-light), var(--bg-card) 62%); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); padding: 26px 28px; transition: .26s var(--ease); overflow: hidden; }
.solution-block::after { content: ""; position: absolute; right: -26px; top: -26px; width: 88px; height: 88px; border-radius: 50%; background: radial-gradient(circle, rgba(37, 99, 235, .1), transparent 70%); }
.solution-block:hover { border-color: rgba(37, 99, 235, .35); border-left-color: var(--primary-dark); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.solution-block h2 { font-size: 18px; margin-bottom: 10px; position: relative; }
.solution-block h2 a { color: var(--text); }
.solution-block h2 a:hover { color: var(--primary); }
.solution-block p { font-size: 13.5px; color: var(--text-2); position: relative; }
/* 方案列表页：banner 与内容的衔接（banner 下缘留白 → 区块起始更近） */
.page-banner + .container .solution-blocks:first-child { margin-top: -34px; position: relative; z-index: 2; }
.help-list { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.help-item { display: flex; justify-content: space-between; gap: 14px; padding: 17px 24px; border-bottom: 1px solid var(--border); font-size: 15px; }
.help-item:last-child { border-bottom: 0; }
.help-item:hover { background: var(--primary-light); }
.help-item em { font-style: normal; color: var(--text-3); font-size: 12.5px; flex-shrink: 0; }

/* ---------- 文章页 ---------- */
.article-layout { display: grid; grid-template-columns: 1fr 268px; gap: 34px; padding: 52px 28px 96px; }
.article-main { background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; padding: 44px 48px; box-shadow: var(--shadow); }
.article-head h1 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.5; font-weight: 700; margin-bottom: 16px; }
.article-meta { display: flex; gap: 20px; color: var(--text-3); font-size: 13px; padding-bottom: 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.like-btn { cursor: pointer; color: var(--primary); }
.article-source { margin-top: 14px; font-size: 12.5px; color: var(--text-3); }
.article-content { padding: 26px 0 10px; font-size: 16px; line-height: 2.05; }
.article-content p { margin-bottom: 16px; }
.article-content h2, .article-content h3 { margin: 26px 0 14px; line-height: 1.5; }
.article-content img { margin: 18px auto; border-radius: 12px; }
.article-content table { border-collapse: collapse; margin: 14px 0; }
.article-content td, .article-content th { border: 1px solid var(--border-2); padding: 8px 12px; }
.page-content { color: var(--text); }
.album { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.album img { width: 132px; height: 99px; object-fit: cover; border-radius: 10px; }
.article-neighbors { display: grid; gap: 12px; padding: 22px 0 0; border-top: 1px dashed var(--border-2); }
.neighbor { display: flex; gap: 12px; font-size: 14px; color: var(--text-2); }
.neighbor span { color: var(--text-3); flex-shrink: 0; }
.article-side { display: grid; gap: 20px; align-content: start; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }

/* 评论 */
.comments { margin-top: 34px; border-top: 1px solid var(--border); padding-top: 26px; }
.comments h2 { font-size: 19px; margin-bottom: 18px; }
.comment { padding: 16px 0; border-bottom: 1px solid var(--border); }
.comment-head { display: flex; gap: 10px; align-items: baseline; font-size: 13px; color: var(--text-3); margin-bottom: 6px; }
.comment-head b { color: var(--text); }
.reply-btn { border: 0; background: transparent; color: var(--primary); cursor: pointer; font-size: 12.5px; }
.comment-content { font-size: 14.5px; }
.comment-children { margin: 12px 0 0 18px; padding-left: 14px; border-left: 2px solid var(--primary-light); }
.comment-form textarea { width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; font: inherit; resize: vertical; min-height: 92px; }
.comment-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.comment-form-bar { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.form-tip { font-size: 12.5px; color: var(--text-3); }
.form-tip a { color: var(--primary); }

/* 分页 */
.pager { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 36px; }
.page-btn { min-width: 38px; height: 38px; display: inline-grid; place-items: center; padding: 0 13px; border: 1px solid var(--border); background: var(--bg-card); border-radius: var(--radius-sm); font-size: 14px; color: var(--text-2); transition: .2s; }
.page-btn:hover { color: var(--primary); border-color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn.ellipsis { border: 0; }
.page-info { font-size: 12.5px; color: var(--text-3); }

/* ---------- 表单（会员/留言） ---------- */
.member-form .form-row { margin-bottom: 18px; }
.member-form label { display: block; font-size: 13.5px; color: var(--text-2); margin-bottom: 7px; }
.member-form label i { color: var(--danger); font-style: normal; }
.member-form input, .member-form select, .member-form textarea { width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px 14px; font: inherit; background: var(--bg-card); }
.member-form input:focus, .member-form select:focus, .member-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.form-msg { font-size: 13px; color: var(--danger); min-height: 18px; }
.form-msg.ok { color: var(--success); }
.captcha-line { display: flex; gap: 10px; align-items: center; }
.captcha-line input { max-width: 150px; }
.captcha-line img, .captcha-img { height: 42px; border-radius: var(--radius-sm); border: 1px solid var(--border); cursor: pointer; }

/* ---------- 会员中心 ---------- */
.auth-page { display: grid; place-items: center; padding: 80px 24px; min-height: 70vh; }
.auth-card { width: 100%; max-width: 440px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg); padding: 44px 40px; }
.auth-card h1 { font-size: 23px; margin-bottom: 26px; text-align: center; letter-spacing: 1px; }
.auth-links { display: flex; justify-content: space-between; margin-top: 18px; font-size: 13px; }
.auth-links a { color: var(--primary); }
.message-card { text-align: center; }
.message-text { color: var(--text-2); margin: 12px 0 24px; }
.member-layout { grid-template-columns: 230px 1fr; }
.member-card { text-align: center; }
.member-avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; margin: 0 auto 12px; border: 3px solid var(--primary-light); }
.member-name { font-weight: 700; margin-bottom: 10px; }
.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 20px; }
.panel h2 { font-size: 18px; margin-bottom: 18px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-box { background: var(--primary-light); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat-box b { display: block; font-size: 20px; color: var(--primary-dark); word-break: break-all; }
.stat-box span { font-size: 12.5px; color: var(--text-2); }
.avatar-row { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.avatar-row input { margin-bottom: 8px; color: var(--text-2); }
.oauth-btns { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.bind-row { font-size: 13.5px; color: var(--text-2); margin-bottom: 6px; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 5px; font-size: 12px; }
.badge-success { background: #ecfdf5; color: var(--success); }
.badge-warn { background: #fffbeb; color: var(--warn); }
.alert { padding: 11px 15px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 13.5px; }
.alert-success { background: #ecfdf5; color: var(--success); }
.panel .side-link { color: var(--primary); display: inline-block; padding: 4px 0; }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; padding: 52px 28px 96px; }
.contact-info h2, .contact-form-card h2 { font-size: 21px; margin-bottom: 18px; }
.contact-info p { margin-bottom: 12px; color: var(--text-2); font-size: 14.5px; }
.contact-info label { display: inline-block; width: 88px; color: var(--text-3); }
.contact-form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; padding: 34px; box-shadow: var(--shadow); }
.contact-map iframe { width: 100%; height: 430px; border: 0; border-radius: 12px; margin-top: 14px; }
.map-tip { font-size: 12px; color: var(--text-3); margin-top: 8px; }

/* 搜索 / 空态 */
.search-summary { color: var(--text-2); font-size: 14.5px; margin-bottom: 18px; }
.search-summary b { color: var(--primary); }
.empty-tip { background: var(--bg-card); border: 1px dashed var(--border-2); border-radius: var(--radius); padding: 60px; text-align: center; color: var(--text-3); }

/* ---------- 关于我们 ---------- */
.about-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 38px; margin-bottom: 24px; scroll-margin-top: calc(var(--header-h) + 16px); }
.about-section h2 { font-size: 20px; padding-left: 14px; border-left: 4px solid var(--primary); margin-bottom: 18px; letter-spacing: 1px; }
.about-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; margin: 12px 0; }
.about-gallery img { width: 100%; border-radius: 10px; }

/* ---------- 错误页 ---------- */
.error-page { text-align: center; padding: 120px 24px; }
.error-code { font-size: 100px; font-weight: 800; color: var(--primary-light); -webkit-text-stroke: 2px var(--primary); margin-bottom: 10px; }
.error-page p { color: var(--text-2); margin-bottom: 28px; }
.error-page .hero-actions { justify-content: center; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0c1424; color: rgba(255, 255, 255, .78); margin-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 34px; padding: 60px 28px 34px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; margin-bottom: 16px; }
.footer-title { color: #fff; font-weight: 600; margin-bottom: 14px; letter-spacing: 1px; font-size: 14px; }
.footer-text { font-size: 13px; margin-bottom: 7px; color: rgba(255, 255, 255, .55); }
.footer-link { display: block; font-size: 13px; padding: 4px 0; color: rgba(255, 255, 255, .55); }
.footer-link:hover { color: #fff; }
.footer-bar { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 12.5px; color: rgba(255, 255, 255, .4); }
.footer-bar .container { display: flex; gap: 22px; flex-wrap: wrap; justify-content: space-between; }
.back-top { position: fixed; right: 28px; bottom: 34px; width: 46px; height: 46px; border-radius: 50%; background: var(--primary); color: #fff; display: none; place-items: center; box-shadow: 0 10px 30px rgba(37, 99, 235, .4); z-index: 40; transition: .2s; }
.back-top.show { display: grid; }
.back-top:hover { transform: translateY(-3px); }

/* ---------- 交互增强 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(8, 12, 22, .92); display: grid; place-items: center; padding: 32px; cursor: zoom-out; animation: lbIn .2s ease; }
@keyframes lbIn { from { opacity: 0; } }
.lightbox img { max-width: min(92vw, 1200px); max-height: 86vh; border-radius: 12px; box-shadow: 0 24px 80px rgba(0, 0, 0, .6); }
.lightbox .lb-close { position: absolute; top: 22px; right: 28px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .35); background: transparent; color: #fff; font-size: 16px; cursor: pointer; }
.lightbox .lb-close:hover { background: rgba(255, 255, 255, .15); }
.article-content img, .album img, .about-gallery img { cursor: zoom-in; transition: transform .25s; }
.article-content img:hover, .album img:hover, .about-gallery img:hover { transform: scale(1.015); }

/* ---------- 睿云识别体验 ---------- */
.ruiyun { padding: 48px 28px 96px; }
.ruiyun-hero { max-width: 720px; margin-bottom: 36px; }
.ruiyun-eyebrow { font-size: 12px; letter-spacing: 3px; color: var(--primary); text-transform: uppercase; margin-bottom: 10px; }
.ruiyun-hero h2 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.25; margin-bottom: 12px; color: var(--text); }
.ruiyun-sub { color: var(--text-2); font-size: 15px; max-width: 560px; }
.ruiyun-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.ruiyun-tab {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-2);
  border-radius: 999px; padding: 10px 18px; cursor: pointer; font-size: 14px; transition: .18s;
}
.ruiyun-tab:hover { border-color: var(--primary); color: var(--primary); }
.ruiyun-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.ruiyun-tab[disabled] { opacity: .45; cursor: not-allowed; }
.ruiyun-panel {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px;
}
.ruiyun-empty { grid-column: 1 / -1; padding: 48px 12px; text-align: center; color: var(--text-3); }
.ruiyun-form { display: grid; gap: 16px; align-content: start; }
.ruiyun-form h3 { font-size: 18px; color: var(--text); }
.ruiyun-desc { color: var(--text-2); font-size: 14px; }
.ruiyun-modes { display: flex; flex-wrap: wrap; gap: 8px; }
.ruiyun-mode {
  border: 1px solid var(--border); background: var(--bg); border-radius: 8px;
  padding: 7px 12px; font-size: 13px; cursor: pointer; color: var(--text-2);
}
.ruiyun-mode.active { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.ruiyun-uploads { display: grid; gap: 12px; }
.ruiyun-drop {
  border: 1.5px dashed var(--border-2); border-radius: 12px; min-height: 168px;
  display: grid; place-items: center; text-align: center; padding: 18px; cursor: pointer;
  background: var(--bg); color: var(--text-3); transition: .18s; position: relative; overflow: hidden;
}
.ruiyun-drop:hover, .ruiyun-drop.drag { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.ruiyun-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.ruiyun-drop img { max-width: 100%; max-height: 180px; object-fit: contain; border-radius: 8px; }
.ruiyun-drop .tip { font-size: 13px; line-height: 1.6; }
.ruiyun-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.ruiyun-actions .btn-run {
  border: 0; background: var(--primary); color: #fff; border-radius: 10px;
  padding: 11px 22px; font-size: 14px; cursor: pointer; font-weight: 600;
}
.ruiyun-actions .btn-run:hover { background: var(--primary-dark); }
.ruiyun-actions .btn-run[disabled] { opacity: .55; cursor: not-allowed; }
.ruiyun-status { font-size: 13px; color: var(--text-3); }
.ruiyun-result {
  border-left: 1px solid var(--border); padding-left: 22px; min-height: 280px;
  display: grid; gap: 12px; align-content: start;
}
.ruiyun-result h4 { font-size: 15px; color: var(--text); }
.ruiyun-result .placeholder { color: var(--text-3); font-size: 14px; padding-top: 40px; text-align: center; }
.ruiyun-result .err { color: var(--danger); font-size: 14px; }
.ruiyun-kv { display: grid; gap: 8px; font-size: 14px; }
.ruiyun-kv .row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 10px; background: var(--bg); border-radius: 8px; }
.ruiyun-kv .row b { color: var(--text); font-weight: 600; }
.ruiyun-annotated { position: relative; display: inline-block; max-width: 100%; margin-bottom: 12px; }
.ruiyun-annotated img { display: block; max-width: 100%; }
.ruiyun-annotated .face-box { position: absolute; border: 2px solid #22c55e; border-radius: 3px; box-shadow: 0 0 0 1px rgba(0,0,0,.45); pointer-events: none; }
.ruiyun-annotated .face-box span { position: absolute; top: -20px; left: -2px; background: #22c55e; color: #fff; font-size: 11px; line-height: 18px; padding: 0 6px; border-radius: 3px; white-space: nowrap; }
.ruiyun-list .item { display: flex; align-items: center; gap: 10px; }
.ruiyun-list .item img.crop { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); flex-shrink: 0; }
.ruiyun-compare-crops { display: flex; gap: 16px; margin-top: 12px; }
.ruiyun-compare-crops figure { margin: 0; text-align: center; }
.ruiyun-compare-crops img { width: 96px; height: 96px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.ruiyun-compare-crops .nocrop { width: 96px; height: 96px; display: grid; place-items: center; background: var(--bg); border-radius: 10px; color: var(--text-3); }
.ruiyun-compare-crops figcaption { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.ruiyun-text {
  white-space: pre-wrap; word-break: break-word; background: var(--bg); border-radius: 10px;
  padding: 14px; font-size: 14px; line-height: 1.7; max-height: 320px; overflow: auto; color: var(--text);
}
.ruiyun-preview { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.ruiyun-list { display: grid; gap: 8px; max-height: 280px; overflow: auto; }
.ruiyun-list .item {
  display: flex; justify-content: space-between; gap: 10px; padding: 9px 11px;
  background: var(--bg); border-radius: 8px; font-size: 13.5px;
}
.ruiyun-list .item span { color: var(--text-3); flex-shrink: 0; }
@media (max-width: 900px) {
  .ruiyun-panel { grid-template-columns: 1fr; }
  .ruiyun-result { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; padding-top: 18px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  :root { --section-pad: 48px; }
  .hero-content { padding: 76px 24px 110px; }
  .news-layout, .list-layout, .article-layout, .contact-layout, .member-layout { grid-template-columns: 1fr; }
  .list-side, .article-side { position: static; }
  .main-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 12px 20px 20px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .header-search input, .header-search:focus-within input { width: 96px; }
  .member-box { display: none; }
  .article-main { padding: 24px; }
  .cta-band { padding: 48px 24px; }
  .contact-map iframe { height: 320px; }
  .hero-dots-full { right: 20px; bottom: 30px; }
  .post-row-cover { width: 128px; height: 88px; }
  .page-banner { padding: 48px 0 44px; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .card-grid, .grid-4 { grid-template-columns: 1fr; }
}