/* ============================================================
   吉林 · 松江数造 jilin_design_songhua — 全站样式
   设计指纹：Hero C 斜切分屏轮播 / 业务卡 D 首卡放大 / 资讯 C 时间线
   流程 B 竖排时间线 / CTA B 左右分栏 / 信任条 C 数字+图标
   导航 B 透明叠hero / 页脚 B 3列+logo墙 / 分隔 C 波浪 / 标题 B 居中眉标
   边角 E 异形斜切 / 密度 A 标准 80px / 顺序 α
   母题：松花江波纹 + 雾凇冰晶六角
   ============================================================ */
:root {
  --brand: #17697C;          /* 松花青 */
  --brand-deep: #0E4655;
  --brand-darker: #0A333F;
  --accent: #D95B6B;         /* 凇梅红 */
  --accent-soft: #F4E3E6;
  --ice: #BFE3EA;            /* 雾凇冰青 */
  --bg: #F6FAFB;
  --card: #FFFFFF;
  --text: #1F2E33;
  --text-soft: #52646B;
  --text-faint: #64748B;
  --gray: #94A3B8;
  --gray-light: #CBD5E1;
  --radius: 10px;
  --cut: 14px;               /* 斜切角尺寸 */
  --shadow: 0 6px 24px rgba(14,70,85,.10);
  --shadow-lg: 0 14px 40px rgba(14,70,85,.16);
  --sec-pad: 80px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", -apple-system, sans-serif; color: var(--text); background: var(--bg); font-size: 15px; line-height: 1.75; overflow-x: clip; }
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
section { padding: var(--sec-pad) 0; position: relative; }
h1, h2, h3, h4 { line-height: 1.35; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ---------- 标题 B：居中 + 眉标小字 ---------- */
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.sec-head .sec-brow { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; letter-spacing: 4px; color: var(--accent); font-weight: 600; text-transform: uppercase; }
.sec-head .sec-brow::before, .sec-head .sec-brow::after { content: ""; width: 26px; height: 2px; background: var(--accent); opacity: .5; }
.sec-head h2 { font-size: 30px; margin-top: 10px; color: var(--brand-deep); }
.sec-head p { color: var(--text-soft); margin-top: 10px; }

/* ---------- 导航 B：透明叠 hero，滚动变实色 ---------- */
.site-header { position: sticky; top: 0; z-index: 900; transition: background .3s, box-shadow .3s; background: linear-gradient(180deg, rgba(10,51,63,.55), rgba(10,51,63,.25)); backdrop-filter: blur(6px); }
.site-header.is-solid { background: linear-gradient(180deg, var(--brand-darker), var(--brand-deep)); box-shadow: 0 4px 18px rgba(10,51,63,.28); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand:hover { color: #fff; }
.brand__mark { display: inline-flex; }
.brand__text { font-size: 19px; font-weight: 700; color: #fff; line-height: 1.2; display: flex; flex-direction: column; }
.brand__text small { font-size: 11px; font-weight: 400; color: rgba(255,255,255,.62); letter-spacing: 3px; }
.nav-list { display: flex; align-items: center; list-style: none; gap: 4px; }
.nav-list > li { position: relative; }
.nav-link { display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; color: rgba(255,255,255,.88); font-size: 15px; text-decoration: none; border-radius: 6px; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,.10); }
.nav-link.is-active, .nav-list > li.is-active > .nav-link { color: #fff; background: rgba(217,91,107,.35); }
.nav-caret { transition: transform .25s; }
.has-drop:hover .nav-caret { transform: rotate(180deg); }
.drop-panel { position: absolute; top: calc(100% + 8px); left: 0; min-width: 190px; background: #fff; border-radius: 8px; box-shadow: var(--shadow-lg); padding: 10px 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .25s; z-index: 50; }
.drop-panel::before { content: ""; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }
.has-drop:hover .drop-panel, .has-drop:focus-within .drop-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.drop-panel a { display: block; padding: 9px 18px; color: var(--text); font-size: 14px; text-decoration: none; }
.drop-panel a:hover { color: var(--brand); background: var(--bg); padding-left: 22px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: all .3s; border-radius: 2px; }

/* ---------- Hero C：双色斜切分屏 + 3 屏轮播（grid 叠放） ---------- */
.hero { padding: 0; background: var(--brand-darker); }
.hero-slides { display: grid; }
.hero-slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .8s ease; display: flex; flex-direction: column; justify-content: center; min-height: 560px; position: relative; overflow: hidden; background: linear-gradient(108deg, var(--brand) 0 56%, var(--brand-darker) 56% 100%); }
.hero-slide:nth-child(2) { background: linear-gradient(252deg, var(--brand-deep) 0 58%, #134A5A 58% 100%); }
.hero-slide:nth-child(3) { background: linear-gradient(64deg, #124B5B 0 46%, var(--brand) 46% 78%, var(--accent) 78% 100%); }
.hero-slide.on { opacity: 1; visibility: visible; }
.hero-slide__inner { display: flex; flex-direction: column; align-items: flex-start; max-width: 1180px; margin: 0 auto; padding: 90px 22px 120px; width: 100%; color: #fff; position: relative; z-index: 2; }
.hero-slide__tag { font-size: 13px; letter-spacing: 5px; color: var(--ice); border: 1px solid rgba(191,227,234,.5); padding: 5px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero-slide h2 { font-size: 42px; max-width: 640px; color: #fff; }
.hero-slide h2 em { font-style: normal; color: var(--accent); position: relative; }
.hero-slide p { margin-top: 16px; max-width: 560px; color: rgba(255,255,255,.82); font-size: 16.5px; }
.hero-slide__btns { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero__wave { position: absolute; left: 0; right: 0; bottom: -2px; z-index: 3; line-height: 0; }
.hero__wave svg { width: 100%; height: 56px; display: block; }
/* 雾凇冰晶装饰（自动飘动） */
.hero__crystal { position: absolute; z-index: 1; opacity: .35; animation: crystal-float 7s ease-in-out infinite; }
.hero__crystal--a { top: 12%; right: 12%; animation-delay: 0s; }
.hero__crystal--b { bottom: 22%; right: 30%; animation-delay: 1.6s; opacity: .22; }
.hero__crystal--c { top: 30%; left: 8%; animation-delay: 3.2s; opacity: .18; }
@keyframes crystal-float { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-16px) rotate(12deg); } }
.hero__dots { position: absolute; bottom: 84px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.hero__dot { width: 26px; height: 5px; border-radius: 3px; background: rgba(255,255,255,.35); border: 0; cursor: pointer; transition: all .3s; padding: 0; }
.hero__dot.on { background: var(--accent); width: 42px; }
.hero-slide.on .hero-slide__tag, .hero-slide.on h2, .hero-slide.on p, .hero-slide.on .hero-slide__btns { animation: rise-in .9s ease both; }
.hero-slide.on h2 { animation-delay: .15s; }
.hero-slide.on p { animation-delay: .3s; }
.hero-slide.on .hero-slide__btns { animation-delay: .45s; }
@keyframes rise-in { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 按钮（光斑滑过 + 箭头位移） ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; font-size: 15px; font-weight: 600; border-radius: 8px; border: 0; cursor: pointer; text-decoration: none; position: relative; overflow: hidden; transition: all .25s; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(217,91,107,.4); }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.65); }
.btn--ghost:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.12); }
.btn::after { content: ""; position: absolute; top: 0; left: -70%; width: 45%; height: 100%; background: linear-gradient(105deg, transparent, rgba(255,255,255,.45), transparent); transform: skewX(-20deg); transition: left .5s; }
.btn:hover::after { left: 130%; }
.btn svg { transition: transform .25s; }
.btn:hover svg { transform: translateX(4px); }

/* ---------- 信任条 C：数字 + 图标（全站唯一数字证明区） ---------- */
.stats-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: -46px; position: relative; z-index: 10; }
.stat { background: var(--card); border-radius: var(--radius); padding: 26px 22px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); transition: transform .3s; border-bottom: 3px solid var(--brand); }
.stat:hover { transform: translateY(-6px); }
.stat__icon { flex: 0 0 auto; width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(23,105,124,.1); color: var(--brand); }
.stat:nth-child(2) .stat__icon { background: rgba(217,91,107,.1); color: var(--accent); }
.stat:nth-child(3) .stat__icon { background: rgba(23,105,124,.1); color: var(--brand); }
.stat:nth-child(4) .stat__icon { background: rgba(217,91,107,.1); color: var(--accent); }
.stat__num { font-size: 30px; font-weight: 800; color: var(--brand-deep); line-height: 1.1; transition: transform .3s; }
.stat:hover .stat__num { transform: translateY(-4px); color: var(--accent); }
.stat__label { font-size: 13.5px; color: var(--text-soft); margin-top: 3px; }

/* ---------- 业务卡 D：首卡放大 + 2×2 子网格 ---------- */
.biz-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; grid-auto-rows: auto; gap: 22px; }
.biz-card { background: var(--card); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); transition: transform .3s, box-shadow .3s; position: relative; overflow: hidden; }
.biz-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--brand), var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.biz-card:hover::before { transform: scaleX(1); }
.biz-card--lead { grid-row: span 2; background: linear-gradient(160deg, var(--brand-deep), var(--brand)); color: #fff; display: flex; flex-direction: column; }
.biz-card--lead h3, .biz-card--lead .biz-card__desc { color: #fff; }
.biz-card--lead .biz-card__icon { background: rgba(255,255,255,.14); color: #fff; }
.biz-card__icon { width: 58px; height: 58px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: rgba(23,105,124,.09); color: var(--brand); margin-bottom: 16px; transition: transform .35s; }
.biz-card:hover .biz-card__icon { transform: scale(1.12) rotate(8deg); }
.biz-card h3 { font-size: 19px; color: var(--brand-deep); }
.biz-card__desc { font-size: 14px; color: var(--text-soft); margin-top: 8px; }
.biz-card__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.biz-card__chips span { font-size: 12.5px; color: var(--brand); background: var(--bg); border: 1px solid var(--gray-light); padding: 4px 11px; border-radius: 999px; }
.biz-subgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; flex: 1; }
.biz-sub { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 10px; padding: 14px; color: #fff; font-size: 13.5px; transition: background .25s, transform .25s; }
.biz-sub:hover { background: rgba(255,255,255,.2); transform: translateY(-3px); color: #fff; }
.biz-sub svg { color: var(--ice); transition: transform .3s; }
.biz-sub:hover svg { transform: scale(1.2) rotate(-10deg); }
.biz-card__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; color: var(--accent); font-size: 14px; }
.biz-card--lead .biz-card__more { color: var(--ice); }
.biz-card__more svg { transition: transform .25s; }
.biz-card__more:hover svg { transform: translateX(4px); }

/* ---------- 流程 B：竖排时间线（节点呼吸脉冲） ---------- */
.flow-wrap { max-width: 760px; margin: 0 auto; }
.flow-step { display: flex; gap: 24px; position: relative; padding-bottom: 44px; }
.flow-step:last-child { padding-bottom: 0; }
.flow-step::before { content: ""; position: absolute; left: 27px; top: 58px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--ice)); }
.flow-step:last-child::before { display: none; }
.flow-step__no { flex: 0 0 auto; width: 56px; height: 56px; border-radius: 50%; background: var(--card); border: 2px solid var(--brand); display: flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 800; color: var(--brand); position: relative; z-index: 2; animation: node-pulse 3.2s ease-in-out infinite; }
.flow-step:nth-child(2) .flow-step__no { animation-delay: .5s; }
.flow-step:nth-child(3) .flow-step__no { animation-delay: 1s; }
.flow-step:nth-child(4) .flow-step__no { animation-delay: 1.5s; }
.flow-step:hover .flow-step__no { animation-play-state: paused; transform: scale(1.12); background: var(--brand); color: #fff; }
@keyframes node-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(23,105,124,.35); } 50% { box-shadow: 0 0 0 10px rgba(23,105,124,0); } }
.flow-step__body h3 { font-size: 18px; color: var(--brand-deep); padding-top: 4px; }
.flow-step__body p { color: var(--text-soft); font-size: 14.5px; margin-top: 6px; max-width: 560px; }

/* ---------- 母题叙事带（江波横贯） ---------- */
.city-band { background: linear-gradient(120deg, var(--brand-deep), var(--brand)); color: #fff; overflow: hidden; position: relative; }
.city-band__inner { display: flex; align-items: center; gap: 36px; position: relative; z-index: 2; }
.city-band h2 { font-size: 26px; color: #fff; }
.city-band p { color: rgba(255,255,255,.78); margin-top: 8px; max-width: 620px; }
.city-band__crystal { flex: 0 0 auto; opacity: .8; animation: crystal-spin 14s linear infinite; }
@keyframes crystal-spin { to { transform: rotate(360deg); } }
.city-band .wave-line { position: absolute; bottom: 10px; left: 0; right: 0; opacity: .25; }

/* ---------- 资讯 C：时间线列表 ≤12 条 ---------- */
.news-tl { max-width: 860px; margin: 0 auto; border-left: 2px solid var(--gray-light); padding-left: 0; }
.news-item { position: relative; padding: 18px 20px 18px 40px; border-radius: 10px; transition: background .25s, transform .25s; }
.news-item:hover { background: var(--card); transform: translateX(6px); box-shadow: var(--shadow); }
.news-item::before { content: ""; position: absolute; left: -7px; top: 28px; width: 12px; height: 12px; border-radius: 50%; background: var(--card); border: 3px solid var(--brand); transition: background .25s, border-color .25s; }
.news-item:hover::before { background: var(--accent); border-color: var(--accent); }
.news-item__meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--text-faint); margin-bottom: 6px; }
.news-item__meta b { color: var(--accent); font-weight: 600; }
.news-item h3 { font-size: 16.5px; }
.news-item h3 a { color: var(--text); }
.news-item h3 a:hover { color: var(--brand); }
.news-item p { font-size: 13.5px; color: var(--text-soft); margin-top: 5px; }

/* ---------- CTA B：左右分栏（背景渐变呼吸） ---------- */
.cta-band { background: linear-gradient(110deg, var(--brand-deep), var(--brand), var(--brand-deep)); background-size: 200% 100%; border-radius: var(--radius); padding: 40px 46px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #fff; animation: cta-breathe 6s ease-in-out infinite; position: relative; overflow: hidden; }
@keyframes cta-breathe { 0%, 100% { background-position: 0 0; } 50% { background-position: 100% 0; } }
.cta-band h3 { font-size: 22px; color: #fff; }
.cta-band p { color: rgba(255,255,255,.78); margin-top: 6px; font-size: 14.5px; }
.cta-band--light { background: linear-gradient(110deg, var(--ice), #E7F3F5, var(--ice)); background-size: 200% 100%; }
.cta-band--light h3 { color: var(--brand-deep); }
.cta-band--light p { color: var(--text-soft); }

/* ---------- 案例 ---------- */
.case-card { background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); transition: transform .3s, box-shadow .3s; border-top: 3px solid transparent; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-top-color: var(--accent); }
.case-card h3 { font-size: 17px; margin-top: 10px; }

/* ---------- 分隔 C：波浪过渡 ---------- */
.sep-wave { line-height: 0; padding: 0; }
.sep-wave svg { width: 100%; height: 48px; display: block; }
.sep-wave--flip { transform: rotate(180deg); }

/* ---------- page-hero（内页深色头） ---------- */
.page-hero { background: linear-gradient(115deg, var(--brand-darker), var(--brand)); color: #fff; padding: 64px 0 56px; overflow: hidden; position: relative; }
.page-hero h1 { font-size: 30px; color: #fff; position: relative; z-index: 2; }
.page-hero .breadcrumb { position: relative; z-index: 2; margin-top: 12px; font-size: 13.5px; color: rgba(255,255,255,.7); }
.page-hero .breadcrumb a { color: rgba(255,255,255,.85); text-decoration: none; }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero__wave { position: absolute; bottom: -2px; left: 0; right: 0; line-height: 0; z-index: 1; }
.page-hero__wave svg { width: 100%; height: 40px; display: block; }

/* ---------- 卡片 / 详情 / 表单 / 分页 ---------- */
.card { background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); }
.card a { font-weight: 600; }
.detail__content p { margin: 12px 0; color: var(--text); }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pager a, .pager span { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--card); color: var(--text); font-size: 14px; border: 1px solid var(--gray-light); text-decoration: none; }
.pager .on { background: var(--brand); color: #fff; border-color: var(--brand); }
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--brand-deep); margin-bottom: 6px; }
.form-field input, .form-field textarea { width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-light); border-radius: 8px; font: inherit; font-size: 14px; background: var(--bg); transition: border-color .2s, box-shadow .2s; }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(23,105,124,.14); }
.flash-ok { background: #E8F5EE; border: 1px solid #9BD4B4; color: #1F6E43; padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-err { background: #FCEDEF; border: 1px solid #EFA9B3; color: #A52839; padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.nf { text-align: center; padding: 110px 0; }
.nf h1 { font-size: 88px; color: var(--brand); letter-spacing: 6px; }
.nf p { color: var(--text-soft); margin: 14px 0 30px; }
.nf div { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚 B：3 列 + 大 logo 墙 ---------- */
.site-footer { background: var(--brand-darker); color: rgba(255,255,255,.78); margin-top: 0; position: relative; overflow: hidden; }
.footer-wave { line-height: 0; }
.footer-wave svg { width: 100%; height: 50px; display: block; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding: 30px 22px 46px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand strong { color: #fff; font-size: 19px; }
.footer-slogan { font-size: 13.5px; margin-top: 14px; max-width: 380px; color: rgba(255,255,255,.6); }
.footer-logo-wall { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.footer-logo-wall span { font-size: 12.5px; color: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.22); padding: 6px 14px; border-radius: 999px; transition: all .25s; }
.footer-logo-wall span:hover { border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 14px; position: relative; padding-bottom: 8px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--accent); }
.footer-col a { display: block; color: rgba(255,255,255,.68); text-decoration: none; font-size: 13.5px; padding: 5px 0; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: #fff; padding-left: 5px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; }
.footer-bottom__inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255,255,255,.55); }
.footer-bottom p { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.footer-bottom a { color: rgba(255,255,255,.65); text-decoration: none; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .gongan { display: inline-flex; align-items: center; gap: 5px; }
.footer-legal { display: flex; align-items: center; gap: 8px; }
.footer-legal span { opacity: .5; }

/* ---------- 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: 54px; top: 50%; transform: translateY(-50%) translateX(6px); background: rgba(15,23,42,.9); color: #fff; font-size: 12px; padding: 5px 10px; border-radius: 6px; white-space: nowrap; opacity: 0; pointer-events: none; transition: all .25s; }
.zfkf-item:hover .zfkf-tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.zfkf-wechat-mask { position: fixed; inset: 0; background: rgba(10,20,26,.55); z-index: 10000; display: none; align-items: center; justify-content: center; }
.zfkf-wechat-mask.show { display: flex; }
.zfkf-wechat-box { background: #fff; border-radius: 14px; padding: 28px; text-align: center; position: relative; max-width: 300px; box-shadow: var(--shadow-lg); }
.zfkf-wechat-box img { margin: 0 auto 12px; border-radius: 8px; }
.zfkf-wechat-noimg { min-width: 200px; padding: 26px 18px; border: 2px dashed var(--gray-light); border-radius: 10px; font-size: 19px; font-weight: 700; color: var(--brand); margin-bottom: 12px; }
.zfkf-wechat-box p { font-size: 14px; color: var(--text-soft); }
.zfkf-wechat-close { position: absolute; top: 8px; right: 14px; font-size: 22px; color: var(--gray); cursor: pointer; line-height: 1; }
.zfkf-wechat-close:hover { color: var(--accent); }

/* ---------- 滚动 reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }
html.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 降级与无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: 1fr 1fr; }
  .biz-card--lead { grid-row: auto; grid-column: 1 / -1; }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-slide h2 { font-size: 34px; }
}
@media (max-width: 768px) {
  :root { --sec-pad: 56px; }
  .nav-toggle { display: block; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: var(--brand-darker); transform: translateX(100%); transition: transform .3s; overflow-y: auto; scrollbar-width: none; z-index: 899; padding: 20px 0 40px; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 0 22px; }
  .nav-list > li { border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-link { padding: 15px 8px; justify-content: space-between; width: 100%; }
  .drop-panel { position: static; opacity: 1; visibility: visible; transform: none; background: transparent; box-shadow: none; padding: 0 0 8px 16px; display: none; min-width: 0; }
  .has-drop.is-drop-open .drop-panel { display: block; }
  .drop-panel a { color: rgba(255,255,255,.75); }
  .drop-panel a:hover { background: transparent; color: #fff; }
  .grid-2, .grid-3, .biz-grid, .stats-wrap { grid-template-columns: 1fr; }
  .hero-slide { min-height: 480px; }
  .hero-slide h2 { font-size: 27px; }
  .hero-slide__inner { padding: 70px 22px 110px; }
  .hero__dots { bottom: 74px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 30px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom__inner { flex-direction: column; align-items: flex-start; }
  .city-band__inner { flex-direction: column; align-items: flex-start; gap: 18px; }
  .sec-head h2 { font-size: 24px; }
}

/* ===== 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}}