/* ============================================================
   tangshan_design_phoenix · 唐山 · 钢城凤凰
   主色 #C2364B 焰羽红 / 辅色 #2E4057 钢青墨灰
   图形母题：凤凰羽翼弧线 + 火羽菱形（斜切分屏 / 分隔线 / 角标 / logo）
   ============================================================ */
:root {
  --brand: #C2364B;
  --brand-deep: #94202F;
  --brand-soft: #E4707F;
  --accent: #2E4057;
  --accent-deep: #1C2A3C;
  --bg: #F4F4F6;
  --surface: #FFFFFF;
  --surface-warm: #ECEDEF;
  --text: #23272E;
  --text-soft: #565D68;
  --text-faint: #868D99;
  --line: #DFE1E6;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 10px 30px rgba(35, 39, 46, .1);
  --shadow-lift: 0 18px 44px rgba(46, 64, 87, .22);
  --header-h: 72px;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color .25s; }
a:hover { color: var(--brand); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -9999px; top: 0; }
.skip-link:focus { left: 8px; top: 8px; background: var(--brand); color: #fff; padding: 6px 12px; border-radius: 4px; z-index: 999; }

h1, h2, h3 { line-height: 1.35; color: var(--text); }
.section { padding: 76px 0; }
.section--warm { background: var(--surface-warm); }
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 4px; color: var(--brand);
  text-transform: uppercase; margin-bottom: 12px;
}
.section-head .kicker::before, .section-head .kicker::after {
  content: ""; width: 22px; height: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='10' viewBox='0 0 22 10'%3E%3Cpath d='M1 8 Q7 1 13 6 T21 4' stroke='%23C2364B' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.section-head h2 { font-size: 30px; margin-bottom: 10px; }
.section-head p { color: var(--text-soft); }

/* ---------- 按钮（光斑滑过 + 箭头位移） ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; overflow: hidden;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s, border-color .25s;
}
.btn::after {  /* 光斑 */
  content: ""; position: absolute; top: 0; left: -80%; width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .55s ease;
}
.btn:hover::after { left: 130%; }
.btn .arr { display: inline-block; transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }
.btn--primary { background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; box-shadow: 0 8px 20px rgba(194,54,75,.32); }
.btn--primary:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 12px 26px rgba(194,54,75,.42); }
.btn--ghost { border-color: rgba(255,255,255,.7); color: #fff; background: rgba(255,255,255,.06); }
.btn--ghost:hover { background: rgba(255,255,255,.16); color: #fff; transform: translateY(-2px); }
.btn--outline { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn--outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--accent-deep); }
.btn--light:hover { transform: translateY(-2px); color: var(--accent); box-shadow: 0 12px 26px rgba(0,0,0,.18); }

/* ---------- header / nav ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(244,244,246,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--text); }
.brand:hover { color: var(--accent); }
.brand__mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--surface-warm); border: 1px solid var(--line); }
.main-nav { display: flex; align-items: center; gap: 22px; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list > li { display: flex; align-items: center; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 14px; font-size: 15px; color: var(--text-soft);
  text-decoration: none; border-radius: 6px; transition: color .25s, background .25s;
}
.nav-link:hover { color: var(--accent); background: rgba(46,64,87,.08); }
.nav-link.is-active { color: var(--brand); font-weight: 600; }
.nav-link.is-active::before {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 6px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='6' viewBox='0 0 60 6'%3E%3Cpath d='M1 5 Q12 0 24 4 T42 2 T59 4' stroke='%23C2364B' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/cover no-repeat;
}
.nav-caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .6; transition: transform .25s; }
.nav-item--drop { position: relative; }
.nav-item--drop:hover .nav-caret { transform: rotate(180deg); }
.nav-panel {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 176px;
  background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--brand);
  border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.nav-item--drop:hover .nav-panel, .nav-item--drop:focus-within .nav-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-panel a { display: block; padding: 9px 14px; font-size: 14px; color: var(--text-soft); border-radius: 5px; text-decoration: none; }
.nav-panel a:hover { background: var(--surface-warm); color: var(--brand); }
.nav-phone { display: inline-flex; align-items: center; gap: 7px; font-size: 15px; font-weight: 700; color: var(--brand); text-decoration: none; }
.nav-phone:hover { color: var(--brand-deep); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); cursor: pointer; padding: 8px; }
.feather-divider { line-height: 0; pointer-events: none; }

/* ---------- hero（变体C：双色斜切分屏） ---------- */
.hero {
  position: relative; overflow: hidden; min-height: 640px;
  display: flex; align-items: center; padding: 90px 0 130px;
  background:
    linear-gradient(112deg, var(--accent-deep) 0%, var(--accent) 54%, transparent 54.2%),
    linear-gradient(112deg, var(--accent) 0%, var(--accent) 54%, var(--brand-deep) 54%, var(--brand) 100%);
  color: #fff;
}
.hero::before { /* 羽翼纹理（左深区） */
  content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='120' viewBox='0 0 260 120'%3E%3Cpath d='M10 100 Q60 30 130 60 Q190 85 250 30' stroke='%23ffffff' stroke-width='1' fill='none' stroke-linecap='round' opacity='.16'/%3E%3Cpath d='M30 115 Q85 55 150 80 Q210 102 258 60' stroke='%23ffffff' stroke-width='1' fill='none' stroke-linecap='round' opacity='.1'/%3E%3C/svg%3E") repeat;
}
.hero__wing { position: absolute; right: 4%; bottom: -6%; width: min(40%, 460px); pointer-events: none; animation: wingFloat 8s ease-in-out infinite; }
@keyframes wingFloat { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-14px) rotate(-1.5deg); } }
.hero .container { position: relative; z-index: 2; }
.hero__tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: 3px; color: #F3B8C0; margin-bottom: 18px; }
.hero__tag::before { content: ""; width: 26px; height: 2px; background: var(--brand-soft); }
.hero__slides { display:grid; position: relative; min-height: 190px; max-width: 600px; }
.hero__slide { grid-area:1/1; opacity: 0; transform: translateY(14px); transition: opacity .8s ease, transform .8s ease; pointer-events: none; }
.hero__slide.is-on { opacity: 1; transform: translateY(0); pointer-events: auto; }
.hero__slide h1 { font-size: 40px; color: #fff; margin-bottom: 14px; }
.hero__slide h1 em { font-style: normal; color: var(--brand-soft); }
.hero__slide p { color: rgba(255,255,255,.82); margin-bottom: 26px; max-width: 520px; }
.hero__dots { display: flex; gap: 10px; margin-top: 22px; }
.hero__dots button { width: 34px; height: 5px; border: none; border-radius: 2px; background: rgba(255,255,255,.28); cursor: pointer; transition: background .3s; }
.hero__dots button.is-on { background: var(--brand-soft); }
.no-js .hero__slide { position: relative; opacity: 1; transform: none; pointer-events: auto; margin-bottom: 18px; }
.no-js .hero__dots { display: none; }

/* ---------- 信任条（变体D：深色底贴 hero） ---------- */
.trust-band { background: var(--accent-deep); color: #fff; margin-top: -70px; position: relative; z-index: 5; box-shadow: var(--shadow-lift); }
.trust-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-band__item { display: flex; align-items: center; gap: 16px; padding: 34px 30px; border-left: 1px solid rgba(255,255,255,.08); transition: background .3s; }
.trust-band__item:first-child { border-left: none; }
.trust-band__item:hover { background: rgba(255,255,255,.05); }
.trust-band__num { font-size: 32px; font-weight: 800; color: var(--brand-soft); line-height: 1.15; font-variant-numeric: tabular-nums; transition: transform .3s; }
.trust-band__item:hover .trust-band__num { transform: translateY(-3px); }
.trust-band__label { font-size: 13px; color: rgba(255,255,255,.6); }

/* ---------- 业务卡（变体D：首卡放大 + 2×2 子分类网格） ---------- */
.biz-lead-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.biz-lead {
  grid-column: span 1; grid-row: span 2;
  display: flex; flex-direction: column; gap: 16px;
  padding: 36px 32px; background: linear-gradient(160deg, var(--accent-deep), var(--accent));
  color: #fff; border-radius: var(--radius); overflow: hidden; position: relative;
  transition: transform .32s, box-shadow .32s;
}
.biz-lead:hover { transform: translateY(-8px); box-shadow: var(--shadow-lift); }
.biz-lead::after { /* 羽翼角标 */
  content: ""; position: absolute; right: -20px; top: -16px; width: 160px; height: 110px; opacity: .16;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='110' viewBox='0 0 160 110'%3E%3Cpath d='M10 100 Q50 20 95 55 Q125 78 152 30' stroke='%23ffffff' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat;
}
.biz-lead__icon { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 14px; background: rgba(255,255,255,.1); transition: transform .35s; }
.biz-lead:hover .biz-lead__icon { transform: scale(1.1) rotate(-6deg); }
.biz-lead h3 { color: #fff; font-size: 22px; }
.biz-lead > p { font-size: 14px; color: rgba(255,255,255,.75); }
.biz-lead__subgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: auto; }
.biz-sub {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px; font-size: 13px; color: rgba(255,255,255,.85);
  transition: background .3s, transform .3s;
}
.biz-sub:hover { background: rgba(255,255,255,.14); transform: translateY(-3px); color: #fff; }
.biz-sub svg { flex: none; transition: transform .35s; }
.biz-sub:hover svg { transform: scale(1.18) rotate(8deg); }
.biz-lead__link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--brand-soft); }
.biz-lead__link .arr { transition: transform .25s; }
.biz-lead__link:hover .arr { transform: translateX(4px); }
.biz-side {
  display: flex; flex-direction: column; gap: 12px;
  padding: 28px 26px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); transition: transform .32s, box-shadow .32s, border-color .32s;
}
.biz-side:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: rgba(194,54,75,.4); }
.biz-side__icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 12px; background: rgba(194,54,75,.09); transition: transform .35s; }
.biz-side:hover .biz-side__icon { transform: scale(1.1) rotate(6deg); }
.biz-side h3 { font-size: 18px; }
.biz-side p { font-size: 14px; color: var(--text-soft); flex: 1; }
.biz-side__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.biz-side__chips a { font-size: 12px; color: var(--text-faint); background: var(--surface-warm); padding: 3px 10px; border-radius: 999px; }
.biz-side__chips a:hover { color: var(--brand); background: rgba(194,54,75,.1); }
.biz-side__link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--accent); }
.biz-side__link .arr { transition: transform .25s; }
.biz-side__link:hover .arr { transform: translateX(4px); }

/* ---------- 流程（变体D：2×2 象限卡） ---------- */
.quad { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 880px; margin: 0 auto; }
.quad-card {
  position: relative; display: flex; gap: 20px; align-items: flex-start;
  padding: 30px 28px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .32s, box-shadow .32s, border-color .32s;
}
.quad-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--brand); opacity: .5; transition: opacity .3s, width .3s; }
.quad-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: rgba(194,54,75,.35); }
.quad-card:hover::before { opacity: 1; width: 5px; }
.quad-card__num { font-size: 42px; font-weight: 800; line-height: 1; color: rgba(194,54,75,.2); font-variant-numeric: tabular-nums; flex: none; transition: color .3s; }
.quad-card:hover .quad-card__num { color: rgba(194,54,75,.5); }
.quad-card h3 { font-size: 18px; margin-bottom: 6px; }
.quad-card p { font-size: 14px; color: var(--text-soft); }

/* ---------- 资讯（变体C：时间线列表） ---------- */
.news-timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 120px; }
.news-timeline::before { content: ""; position: absolute; left: 96px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--brand), rgba(194,54,75,.12)); }
.news-tl-item { position: relative; padding: 0 0 30px 0; }
.news-tl-item:last-child { padding-bottom: 0; }
.news-tl-item::before {
  content: ""; position: absolute; left: -29px; top: 12px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--brand-soft);
  transition: background .3s, transform .3s;
}
.news-tl-item:hover::before { background: var(--brand); transform: scale(1.25); }
.news-tl-date { position: absolute; left: -120px; top: 6px; width: 80px; text-align: right; font-size: 13px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.news-tl-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; transition: transform .3s, box-shadow .3s, border-color .3s; }
.news-tl-card:hover { transform: translateX(6px); box-shadow: var(--shadow); border-color: rgba(194,54,75,.35); }
.news-tl-card__meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-faint); margin-bottom: 6px; }
.news-tl-card__meta .cat { color: var(--brand); background: rgba(194,54,75,.09); padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.news-tl-card h3 { font-size: 16px; line-height: 1.55; }
.news-tl-card h3 a { color: var(--text); }
.news-tl-card h3 a:hover { color: var(--brand); }
.news-tl-card p { font-size: 13px; color: var(--text-soft); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.no-js .news-timeline { padding-left: 0; }
.no-js .news-tl-date { position: static; width: auto; display: inline-block; margin-bottom: 6px; text-align: left; }
.no-js .news-tl-item::before { display: none; }
.no-js .news-timeline::before { display: none; }

/* ---------- CTA ---------- */
.cta { border-radius: var(--radius); padding: 46px 44px; position: relative; overflow: hidden; color: #fff; background: linear-gradient(120deg, var(--accent-deep), #3A5070 50%, var(--brand-deep) 130%); }
.cta__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: 26px; margin-bottom: 8px; }
.cta p { color: rgba(255,255,255,.78); }
.cta__feather { position: absolute; right: -16px; bottom: -14px; width: 260px; opacity: .2; pointer-events: none; animation: wingFloat 9s ease-in-out infinite; }
.cta--proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cta__proof { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.cta__proof:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.cta__proof b { font-size: 24px; color: var(--brand); }
.cta__proof span { font-size: 13px; color: var(--text-soft); }

/* ---------- page-hero（深色区：面包屑必须浅色） ---------- */
.page-hero {
  position: relative; padding: 64px 0 56px; overflow: hidden; color: #fff;
  background:
    radial-gradient(700px 300px at 88% 4%, rgba(194,54,75,.32), transparent 60%),
    linear-gradient(120deg, var(--accent-deep), #26374E 70%, var(--brand-deep) 160%);
}
.page-hero h1 { color: #fff; font-size: 32px; margin-bottom: 8px; }
.page-hero .lead { color: rgba(255,255,255,.72); max-width: 760px; }
.page-hero .breadcrumb, .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.68); margin-bottom: 18px; }
.page-hero .breadcrumb a { color: rgba(255,255,255,.78); text-decoration: none; }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb span { color: rgba(255,255,255,.45); }
.page-hero__feather { position: absolute; right: -30px; bottom: -30px; width: 380px; opacity: .18; pointer-events: none; }

/* ---------- 列表 / 详情通用 ---------- */
.layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; padding: 56px 0 80px; }
.article-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.article-card { display: flex; flex-direction: column; gap: 10px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .3s, box-shadow .3s, border-color .3s; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: rgba(194,54,75,.4); }
.article-card h3 { font-size: 17px; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--brand); }
.article-card p { font-size: 14px; color: var(--text-soft); flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-card__meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-faint); }
.article-card__meta a { color: var(--accent); }
.list-header { margin-bottom: 26px; }
.list-header h1 { font-size: 28px; margin-bottom: 6px; }
.list-header p { color: var(--text-soft); font-size: 14px; }

.pagination { display: flex; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-grid; place-items: center; min-width: 38px; height: 38px; padding: 0 12px; border-radius: 6px; border: 1px solid var(--line); background: var(--surface); color: var(--text-soft); font-size: 14px; }
.pagination .is-cur { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.pagination a:hover { border-color: var(--brand); color: var(--brand); }

/* 侧栏 */
.side-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 22px; }
.side-card h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid rgba(194,54,75,.25); display: flex; align-items: center; gap: 8px; }
.side-card ul li a { display: block; padding: 8px 0; font-size: 14px; color: var(--text-soft); border-bottom: 1px dashed var(--line); }
.side-card ul li a:hover, .side-card ul li a.is-cur { color: var(--brand); font-weight: 600; }
.side-cta { background: linear-gradient(150deg, var(--accent), var(--accent-deep)); color: #fff; border: none; }
.side-cta h3 { color: #fff; border-bottom-color: rgba(255,255,255,.2); }
.side-cta p { font-size: 13px; color: rgba(255,255,255,.72); margin-bottom: 16px; }
.side-cta .tel { display: block; font-size: 20px; font-weight: 800; color: var(--brand-soft); margin-bottom: 16px; }

/* 详情页 */
.detail { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; }
.detail h1 { font-size: 28px; margin-bottom: 14px; }
.detail__meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--text-faint); padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.detail__content { font-size: 16px; color: var(--text-soft); }
.detail__content h2, .detail__content h3 { margin: 24px 0 12px; color: var(--text); }
.detail__content p { margin-bottom: 14px; }
.detail__content img { border-radius: 8px; margin: 18px 0; }
.detail__content ul, .detail__content ol { padding-left: 22px; margin-bottom: 14px; }
.detail__content ul li, .detail__content ol li { list-style: inherit; }
.detail__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.detail__nav a { padding: 16px 18px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--text-soft); background: var(--surface); transition: border-color .25s, color .25s; }
.detail__nav a:hover { border-color: var(--brand); color: var(--brand); }
.detail__nav b { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 4px; font-weight: 400; }
.detail__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.detail__tags a { font-size: 12px; padding: 4px 12px; border-radius: 999px; background: var(--surface-warm); color: var(--text-soft); }
.detail__tags a:hover { color: var(--brand); background: rgba(194,54,75,.1); }
.related li { display: flex; justify-content: space-between; gap: 12px; }
.related li span { flex: none; font-size: 12px; color: var(--text-faint); }

/* ---------- 案例页 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filter-bar a { padding: 8px 20px; border-radius: 6px; border: 1px solid var(--line); background: var(--surface); font-size: 14px; color: var(--text-soft); }
.filter-bar a:hover { border-color: var(--brand); color: var(--brand); }
.filter-bar a.is-cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.case-card__cover { height: 170px; background: linear-gradient(135deg, rgba(46,64,87,.14), rgba(194,54,75,.14)); display: grid; place-items: center; color: var(--accent); }
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card__body { padding: 20px 22px; }
.case-card__body h3 { font-size: 16px; margin-bottom: 8px; }
.case-card__body h3 a { color: var(--text); }
.case-card__body h3 a:hover { color: var(--brand); }
.case-card__meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--text-faint); margin-bottom: 8px; }
.case-card__meta em { font-style: normal; color: var(--brand); background: rgba(194,54,75,.1); padding: 2px 10px; border-radius: 999px; }
.case-card__body p { font-size: 13px; color: var(--text-soft); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-detail__cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; background: var(--surface-warm); }
.case-detail__meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.case-detail__meta div { padding: 16px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; font-size: 13px; }
.case-detail__meta b { display: block; color: var(--text-faint); font-size: 12px; font-weight: 400; margin-bottom: 4px; }
.case-detail__results { margin-top: 28px; padding: 24px; border-radius: 8px; background: var(--surface-warm); border-left: 4px solid var(--brand); }

/* ---------- 通用单页 / 关于 / 联系 ---------- */
.page-content { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px; }
.page-content h2 { margin: 26px 0 12px; }
.page-content p { margin-bottom: 14px; color: var(--text-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.form { display: grid; gap: 16px; }
.form label { font-size: 14px; font-weight: 600; }
.form input, .form textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; font-size: 15px; font-family: inherit; background: var(--bg); transition: border-color .25s; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--brand); }
.flash { padding: 14px 18px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.flash--ok { background: rgba(46,110,92,.1); color: #1c5c4c; border: 1px solid rgba(46,110,92,.3); }
.flash--err { background: rgba(194,54,75,.08); color: var(--brand-deep); border: 1px solid rgba(194,54,75,.3); }

/* ---------- county / sitemap / 404 / search ---------- */
.county-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.sitemap-grid h3 { margin-bottom: 12px; }
.sitemap-grid li a { font-size: 14px; color: var(--text-soft); padding: 4px 0; display: inline-block; }
.sitemap-grid li a:hover { color: var(--brand); }
.empty-state { text-align: center; padding: 70px 20px; color: var(--text-faint); }
.empty-state .big { font-size: 44px; font-weight: 800; color: var(--brand-soft); margin-bottom: 10px; }
.error-hero { text-align: center; padding: 110px 24px; }
.error-hero h1 { font-size: 96px; color: var(--brand-soft); line-height: 1; margin-bottom: 16px; }

/* ---------- footer ---------- */
.site-footer { background: var(--accent-deep); color: rgba(255,255,255,.66); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; padding: 60px 24px 40px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.6); }
.footer-col a:hover { color: var(--brand-soft); }
.brand--footer { color: #fff; font-size: 17px; margin-bottom: 14px; }
.footer-desc { font-size: 13px; line-height: 1.8; margin-bottom: 14px; }
.footer-contact { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 8px; }
.footer-contact a { display: inline; padding: 0; color: rgba(255,255,255,.72); }
.footer-contact a:hover { color: var(--brand-soft); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-bottom p { font-size: 13px; }

/* ---------- 滚动入场 reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 响应式 4→2→1 ---------- */
@media (max-width: 1024px) {
  .hero { background: linear-gradient(135deg, var(--accent-deep), var(--accent)); }
  .biz-lead-grid { grid-template-columns: 1fr 1fr; }
  .biz-lead { grid-row: auto; }
  .trust-band__grid { grid-template-columns: repeat(2, 1fr); }
  .trust-band__item:nth-child(3) { border-left: none; }
  .layout { grid-template-columns: 1fr; }
  .case-grid, .county-grid, .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .cta--proof { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; top: 0; right: -100%; width: min(320px, 84vw); height: 100vh;
    flex-direction: column; align-items: stretch; gap: 0; padding: 84px 22px 30px;
    background: var(--surface); box-shadow: -14px 0 40px rgba(0,0,0,.15);
    transition: right .35s ease; overflow-y: auto; z-index: 99;
  }
  .main-nav.is-open { right: 0; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { display: flex; justify-content: space-between; padding: 13px 10px; }
  .nav-panel { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 0 16px; }
  .nav-phone { margin-top: 18px; justify-content: center; }
  .hero { min-height: 560px; padding: 64px 0 96px; }
  .hero__slide h1 { font-size: 30px; }
  .hero__wing { display: none; }
  .trust-band { margin-top: -46px; }
  .trust-band__grid, .article-grid, .biz-lead-grid, .quad, .case-grid, .county-grid, .sitemap-grid, .contact-grid, .cta--proof, .detail__nav, .case-detail__meta { grid-template-columns: 1fr; }
  .trust-band__item { border-left: none; border-top: 1px solid rgba(255,255,255,.08); }
  .trust-band__item:first-child { border-top: none; }
  .news-timeline { padding-left: 0; }
  .news-tl-date { position: static; width: auto; display: inline-block; text-align: left; margin-bottom: 6px; }
  .news-tl-item::before, .news-timeline::before { display: none; }
  .section { padding: 52px 0; }
  .detail, .page-content { padding: 26px 20px; }
  .cta { padding: 34px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__slide.is-on { opacity: 1; transform: none; }
}

/* ===== zfkf 悬浮客服（统一标准组件）===== */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}
.zfkf-wechat{background:#07c160}
.zfkf-consult{background:#f59e0b}
.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10001}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative;max-width:80vw}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}

/* ===== 横向溢出统一防护（clip 不影响 sticky 吸顶）===== */
html{overflow-x:clip}
/* 横滑容器滚动条隐藏 */
.main-nav,.news-rail{scrollbar-width:none;-ms-overflow-style:none}
.main-nav::-webkit-scrollbar,.news-rail::-webkit-scrollbar{display:none}

/* ===== 正文内容溢出防护（表格/图片/长词）===== */
.detail__content table,.page-content table{display:block;max-width:100%;overflow-x:auto}
.detail__content img,.page-content img{max-width:100%;height:auto}
.detail__content pre,.page-content pre{overflow-x:auto}
.detail__content,.page-content{overflow-wrap:break-word}
/* 品牌名/标题单行溢出省略 */
.brand{min-width:0}
.brand__name{overflow:hidden;text-overflow:ellipsis}
.news-mini__title{overflow:hidden;text-overflow:ellipsis}
/* 上一篇/下一篇防溢出（v4.5 修复：长标题截断，grid 子项约束）*/
.detail__nav-cell{min-width:0}
.detail__nav-cell>a,.detail__nav-cell>span{display:block;height:100%;box-sizing:border-box}
.detail__nav a{display:block;overflow:hidden}
.detail__nav b{flex:none}
.detail__nav-title{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1{font-size:1.6em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{font-size:1.4em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h4{margin:1.2em 0 .5em;font-size:1.08em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h5,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h6{margin:1.1em 0 .5em;font-size:1em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ul,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ol{margin:0 0 1.05em;padding-left:1.7em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) li{margin:.35em 0;line-height:1.8}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) img{max-width:100%;height:auto;border-radius:8px}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figure{margin:1.2em 0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figcaption{margin-top:.5em;font-size:.85em;opacity:.7;text-align:center}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid currentColor;opacity:.85}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) td{border:1px solid rgba(127,127,127,.3);padding:.5em .75em;text-align:left}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) th{font-weight:700;background:rgba(127,127,127,.06)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) hr{margin:1.6em 0;border:0;border-top:1px solid rgba(127,127,127,.28)}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) pre{overflow:auto;padding:.8em 1em;border-radius:8px;background:rgba(127,127,127,.1);font-size:.92em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) code{font-size:.94em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) strong,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) b{font-weight:700}
:where(.rich-text) ul{list-style:disc}
:where(.rich-text) ol{list-style:decimal}
:where(.rich-text) a{text-decoration:underline;text-underline-offset:3px}

/* ===== tz-footer-legal (auto-appended) ===== */
.zf-legal-line a{color:inherit;text-decoration:none;opacity:.92}
.zf-legal-line a:hover{opacity:1;text-decoration:underline;text-underline-offset:3px}
.zf-legal-line .zf-legal-all{font-weight:600}
.zf-legal-line .zf-legal-copy{opacity:.95}
.zf-legal-line .zf-legal-addr{opacity:.82}
.zf-legal-line .zf-legal-police{text-decoration:none}
@media (max-width:640px){.zf-legal-line{column-gap:.55em;line-height:1.7}}