/* ============================================================
   天盛科技 · 对外官网浅色主题（按原站 www.tswkt.com 设计系统复刻）
   主色腾讯蓝 #0052d9 · 微信绿 #07c160 · 白卡片 · 细边框
   适用于：index / about / products / news-list / contact / 详情页
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --bg-soft-2:#fbfcfe;
  --brand:#0052d9;
  --brand-hover:#366ef4;
  --brand-active:#003cab;
  --brand-soft:#eef3ff;
  --brand-soft-2:#e0eaff;
  --wecom:#07c160;
  --wecom-soft:#e8f8ef;
  --ink-1:#0b1220;
  --ink-2:#45536b;
  --ink-3:#7a879f;
  --ink-4:#a8b2c4;
  --line:#e7eaf0;
  --line-strong:#d5dae5;
  --radius:14px;
  --radius-s:8px;
  --radius-l:22px;
  --shadow-s:0 1px 2px rgba(16,24,40,.04),0 2px 6px rgba(16,24,40,.04);
  --shadow:0 6px 18px rgba(16,24,40,.06),0 2px 6px rgba(16,24,40,.04);
  --shadow-l:0 18px 48px rgba(15,30,70,.1),0 4px 12px rgba(16,24,40,.05);
  --shadow-brand:0 10px 26px rgba(0,82,217,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",-apple-system,sans-serif;
  --max:1280px;
  --header-h:68px;
  /* 兼容别名（旧页面内联样式可能引用） */
  --muted:#7a879f;--brand-2:#0052d9;--panel:#ffffff;--border:#e7eaf0;--ink:#0b1220;
}
*{box-sizing:border-box}
/* 大屏增强：2K / 大显示器下进一步放宽容器，页面更饱满 */
@media (min-width:1600px){
  :root{--max:1320px}
}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink-1);background:var(--bg);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
::selection{background:var(--brand-soft-2)}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.sec-head--left{margin-left:0;text-align:left}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-soft-2);padding:5px 14px;border-radius:999px;margin-bottom:18px}
.eyebrow--green{color:#07934a;background:var(--wecom-soft);border-color:#cdeedb}
.lead{font-size:17px;color:var(--ink-2);line-height:1.85}
.muted{color:var(--ink-3)}
.hint{font-size:12.5px;color:var(--ink-3)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-s);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease;white-space:nowrap;background:transparent}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn--primary:hover{background:var(--brand-hover);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink-1);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn--link{height:auto;padding:0;color:var(--brand);font-weight:600}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.ghost{background:#fff;color:var(--ink-1);border-color:var(--line-strong)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- 顶部导航（品牌蓝底 + 毛玻璃） ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:90;height:var(--header-h);display:flex;align-items:center;background:#294ba3;border-bottom:1px solid rgba(255,255,255,.14);transition:box-shadow .2s}
.header.is-stuck{box-shadow:0 6px 24px rgba(20,40,100,.28)}
.header__inner{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:0;flex-shrink:0}
/* 页头蓝底上给 logo 加白色圆角底衬，保证组合标清晰呈现 */
.header .logo{background:#fff;border-radius:10px;padding:5px 12px;box-shadow:0 2px 10px rgba(10,25,70,.2)}
.logo img{height:30px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav a{position:relative;padding:8px 14px;border-radius:var(--radius-s);font-size:15px;font-weight:500;color:rgba(255,255,255,.82);transition:color .16s,background .16s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.14)}
.nav a.is-active{color:#fff;font-weight:600}
.nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:#fff}
.header__actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.burger{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;border-radius:var(--radius-s);width:38px;height:38px;place-items:center;cursor:pointer;color:#fff}
.burger:hover{border-color:#fff;background:rgba(255,255,255,.14)}

/* ---------- 首屏 Hero ---------- */
.hero{position:relative;padding-top:calc(var(--header-h) + 44px);padding-bottom:62px;overflow:hidden}
.hero__glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(680px 380px at 12% 6%,rgba(0,82,217,.16),transparent 62%),radial-gradient(560px 340px at 88% 12%,rgba(7,193,96,.12),transparent 64%),radial-gradient(720px 420px at 68% 92%,rgba(77,139,255,.12),transparent 66%)}
.hero__grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(11,18,32,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(11,18,32,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(760px 420px at 50% 0%,#000 12%,transparent 78%);-webkit-mask-image:radial-gradient(760px 420px at 50% 0%,#000 12%,transparent 78%)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero h1{margin-bottom:20px;font-size:clamp(30px,4vw,52px);font-weight:700;letter-spacing:-.03em;line-height:1.22}
.hero h1 .hl{background:linear-gradient(96deg,var(--brand) 0%,#4d8bff 48%,var(--wecom) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__desc{font-size:17px;color:var(--ink-2);line-height:1.9;max-width:560px}
.hero__desc strong{color:var(--ink-1)}
.hero__cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero__note{margin-top:18px;font-size:13.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hero__note a{color:var(--brand);font-weight:700}
.hero__stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:52px;border-top:1px solid var(--line);padding-top:28px}
.hero__stat b{display:block;font-size:15.5px;font-weight:600;color:var(--ink-1);letter-spacing:-.01em;margin-bottom:5px}
.hero__stat span{display:block;font-size:12.8px;line-height:1.65;color:var(--ink-3)}
.hero__visual{position:relative;min-height:400px}
.mock{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-l);overflow:hidden}
.mock__bar{height:44px;display:flex;align-items:center;gap:7px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--bg-soft-2)}
.mock__dot{width:9px;height:9px;border-radius:50%;background:var(--line-strong)}
.mock__title{margin-left:8px;font-size:12.5px;color:var(--ink-3);font-weight:600;letter-spacing:.02em}
.mock__body{padding:20px}
.mock__row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:#fff}
.mock__row:last-child{margin-bottom:0}
.mock__ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}
.mock__row b{display:block;font-size:13.5px;font-weight:600}
.mock__row span{font-size:12px;color:var(--ink-3)}
.mock__bar-track{height:6px;border-radius:99px;background:var(--bg-soft);overflow:hidden;margin-top:6px}
.mock__bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),#4d8bff)}
.floatcard{position:absolute;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-l);padding:14px 16px;animation:floaty 6s ease-in-out infinite}
.floatcard b{display:block;font-size:14px;font-weight:700;letter-spacing:-.02em;color:var(--ink-1)}
.floatcard span{font-size:12px;color:var(--ink-3)}
.floatcard--a{left:-18px;bottom:44px}
.floatcard--b{right:-10px;top:26px;animation-delay:-3s}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:var(--brand-soft-2)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.card__ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;background:var(--brand-soft);color:var(--brand)}
.card__ico--green{background:var(--wecom-soft);color:#07934a}
.card__ico--orange{background:#fff4e6;color:#d97706}
.card__ico--purple{background:#f2eeff;color:#6d4aff}
.card__ico--cyan{background:#e6f7fb;color:#0891a6}
.card__ico--pink{background:#ffeef3;color:#d6396b}
.card__list{margin:16px 0 0;padding:0;list-style:none;font-size:13.5px;color:var(--ink-3)}
.card__list li{display:flex;gap:8px;margin-bottom:7px}
.card__list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);margin-top:9px;flex-shrink:0}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checklist li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.checklist svg{flex-shrink:0;margin-top:4px;color:var(--wecom)}

/* ---------- 行业方案 Tabs ---------- */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.tab{padding:9px 20px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:all .18s}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--shadow-brand)}
.tabpanel{display:none}
.tabpanel.is-active{display:block;animation:fadeUp .34s ease}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:38px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:start}
.panel h3{font-size:19px;line-height:1.5}
.panel__pains{margin:18px 0 0;padding:0;list-style:none}
.panel__pains li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);padding:10px 0;border-bottom:1px dashed var(--line)}
.panel__pains li:last-child{border-bottom:0}
.panel__pains svg{flex-shrink:0;margin-top:5px;color:var(--brand)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:520px}
table.cmp th,table.cmp td{padding:14px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.65}
table.cmp thead th{background:var(--bg-soft);font-weight:600;font-size:13.5px;color:var(--ink-2);white-space:nowrap}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:var(--bg-soft-2)}
table.cmp td:first-child{font-weight:600;color:var(--ink-1);white-space:nowrap}
table.cmp td:last-child{color:var(--ink-2)}

/* ---------- 服务流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;counter-reset:s}
.step{position:relative;padding-top:26px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.step::after{content:"";position:absolute;top:8px;left:30px;right:-18px;height:1px;background:linear-gradient(90deg,var(--brand-soft-2),transparent)}
.step:last-child::after{display:none}
.step h4{font-size:15.5px;margin-bottom:8px;font-weight:600}
.step p{font-size:13.5px;color:var(--ink-3);line-height:1.75}

/* ---------- 服务现场（照片卡） ---------- */
.case{border-radius:var(--radius);border:1px solid var(--line);background:#fff;overflow:hidden;transition:transform .2s,box-shadow .2s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-l)}
.case__cover{aspect-ratio:4/3;position:relative;display:grid;place-items:center;overflow:hidden;font-size:44px;background:var(--bg-soft)}
.case__cover img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.case__cover--1{background:linear-gradient(135deg,#eaf1ff 0%,#d6e4ff 100%)}
.case__cover--2{background:linear-gradient(135deg,#e6f8ef 0%,#cdf0dd 100%)}
.case__cover--3{background:linear-gradient(135deg,#f0edff 0%,#dfd8ff 100%)}
.case__tag{position:absolute;top:14px;left:14px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.86);color:var(--ink-2)}
.case__body{padding:22px}
.case__body h3{font-size:17px;margin-bottom:8px}
.case__body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.scene-note{text-align:center;color:var(--ink-3);font-size:13px;margin-top:16px}

/* ---------- 行业资讯 ---------- */
.newsgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.newscard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s,border-color .2s,box-shadow .2s}
.newscard:hover{transform:translateY(-3px);border-color:var(--brand-soft-2);box-shadow:var(--shadow-l)}
.newscard .nc-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.newscard .nc-cat{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);flex-shrink:0}
.newscard .nc-date{font-size:12.5px;color:var(--ink-3)}
.newscard h3{font-size:16.5px;line-height:1.55;margin-bottom:8px}
.newscard p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:14px}
.newscard .nc-more{color:var(--brand);font-weight:600;font-size:13.5px}
.skeleton{height:170px;border-radius:var(--radius);background:linear-gradient(90deg,#f0f2f6 25%,#e6e9f0 37%,#f0f2f6 63%);background-size:400% 100%;animation:shimmer 1.3s ease-in-out infinite}

/* ---------- CTA 区 ---------- */
.cta{border-radius:var(--radius-l);background:linear-gradient(120deg,#0b2a63 0%,#0052d9 52%,#0b7fd6 100%);color:#fff;padding:52px 48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;width:480px;height:480px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 66%);pointer-events:none}
.cta h2{color:#fff;margin-bottom:12px;font-size:clamp(22px,2.4vw,30px)}
.cta p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px}
.cta__actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta .btn--ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.34);color:#fff}
.cta .btn--ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff}
.cta .btn--primary{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(2,20,60,.3)}
.cta .btn--primary:hover{background:#f3f7ff;color:var(--brand-active)}

/* ---------- 表单 ---------- */
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field label .req{color:#d6396b;margin-left:3px}
.input,.select,.textarea{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-s);padding:12px 14px;background:#fff;font-size:14.5px;outline:none;transition:border-color .16s,box-shadow .16s}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,82,217,.12)}
.input::placeholder,.textarea::placeholder{color:var(--ink-4)}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.alert{border-radius:var(--radius-s);padding:12px 14px;font-size:14px;display:none;gap:9px;align-items:flex-start;line-height:1.6}
.alert.is-on{display:flex}
.alert--ok{background:var(--wecom-soft);border:1px solid #cdeedb;color:#0a7a43}
.alert--err{background:#fdeef3;border:1px solid #f8d3e0;color:#a81e4d}
.alert--info{background:var(--brand-soft);border:1px solid var(--brand-soft-2);color:#12459c}

/* ---------- 联系信息卡 / 盒子 ---------- */
.infocard{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:border-color .2s,box-shadow .2s}
.infocard:hover{border-color:var(--brand-soft-2);box-shadow:var(--shadow)}
.infocard__ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);flex-shrink:0}
.infocard b{display:block;font-size:13px;color:var(--ink-3);font-weight:600;margin-bottom:4px}
.infocard div span{display:block;font-size:15.5px;font-weight:600;color:var(--ink-1);overflow-wrap:break-word}
.infocard__divider{height:1px;background:var(--line);margin:11px 0}
.infocard em{display:block;font-style:normal;font-size:13px;color:var(--ink-3);margin-top:4px}
.cbox{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.cbox__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.cbox__head h3{font-size:17px}
.cbox__head p{font-size:13px;color:var(--ink-3);margin-top:3px}

/* ---------- FAQ ---------- */
/* ============ FAQ 常见问题（卡片化 + 分类筛选） ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:border-color .18s, box-shadow .18s}
.faq details:hover{border-color:var(--brand-soft-2)}
.faq details[open]{border-color:var(--brand-soft-2);box-shadow:var(--shadow)}
.faq summary{padding:17px 22px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;color:var(--ink-1)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";flex:none;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#0b7fd6);color:#fff;font-size:15px;font-weight:800;display:grid;place-items:center;box-shadow:0 6px 14px rgba(0,82,217,.24);transition:background .2s, box-shadow .2s}
.faq details[open] summary::before{content:"A";background:linear-gradient(135deg,#07c160,#0aa85a);box-shadow:0 6px 14px rgba(7,193,96,.26)}
.faq__t{flex:1;min-width:0;line-height:1.55}
.faq__ico{position:relative;flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);transition:background .18s}
.faq details[open] .faq__ico{background:var(--wecom-soft)}
.faq__ico i{position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transition:transform .25s, opacity .25s, background .18s}
.faq details[open] .faq__ico i{background:#0aa85a}
.faq__ico i:first-child{width:11px;height:2px;transform:translate(-50%,-50%)}
.faq__ico i:last-child{width:2px;height:11px;transform:translate(-50%,-50%)}
.faq details[open] .faq__ico i:last-child{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s cubic-bezier(.4,0,.2,1)}
.faq details[open] .faq__a{grid-template-rows:1fr}
.faq__a-in{overflow:hidden}
.faq__tag{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-soft-2);border-radius:999px;padding:3px 12px;margin:2px 22px 10px 70px}
.faq__a-in p{margin:0;padding:0 22px 20px 70px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.faq__more{margin-top:18px;font-size:14px;color:var(--ink-3)}
.faq__more a{color:var(--brand);font-weight:600}
@media (max-width:640px){
  .faq summary{padding:15px 16px;gap:11px;font-size:15px}
  .faq summary::before{width:29px;height:29px;font-size:13px;border-radius:9px}
  .faq__ico{width:23px;height:23px;border-radius:7px}
  .faq__tag{margin:0 16px 9px}
  .faq__a-in p{padding:0 16px 17px}
}

/* ---------- 时间轴（关于我们 · 发展路径） ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-soft-2))}
.tl-item{position:relative;padding:0 0 28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-sizing:border-box}
.tl-item .ph{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.tl-item h4{font-size:16px;margin:4px 0 6px}
.tl-item p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- 内页页头 ---------- */
.pagehead{padding:calc(var(--header-h) + 66px) 0 56px;background:linear-gradient(180deg,#f7faff 0%,#ffffff 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.pagehead__glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(620px 320px at 18% 0%,rgba(0,82,217,.12),transparent 64%),radial-gradient(520px 300px at 86% 10%,rgba(7,193,96,.1),transparent 66%)}
.pagehead__inner{position:relative;z-index:2;max-width:880px}
.pagehead h1{font-size:clamp(28px,3.2vw,42px);margin-bottom:16px}
.crumb{font-size:13px;color:var(--ink-3);margin-bottom:16px;display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--brand)}

/* ---------- 文章（资讯详情） ---------- */
.article{max-width:780px;margin:0 auto}
.article__title{font-size:clamp(25px,3vw,36px);line-height:1.32;margin-bottom:18px}
.article__meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3);padding-bottom:26px;border-bottom:1px solid var(--line)}
.article__body{padding-top:28px;font-size:16px;line-height:2.05;color:#2c3648}
.article__body p{font-size:16px;line-height:2.05;color:#2c3648;margin-bottom:22px}
.article__body h2,.article__body h3{font-size:19px;font-weight:700;color:var(--ink-1);line-height:1.5;margin:34px 0 14px}
.article__body ul,.article__body ol{margin:0 0 22px;padding-left:24px;line-height:2}
.article__body li{margin-bottom:6px}
.article__body blockquote{margin:0 0 22px;padding:14px 18px;border-left:3px solid var(--brand);background:var(--bg-soft);border-radius:0 10px 10px 0;color:var(--ink-2)}
.article__body img{display:block;max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.article__body a{color:var(--brand);text-decoration:underline}
.article__body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.article__body th,.article__body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article__body th{background:var(--bg-soft);font-weight:600}
.article__foot{display:flex;gap:12px;flex-wrap:wrap;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-soft);color:var(--ink-2);padding:62px 0 28px;font-size:14px;border-top:1px solid var(--line)}
.footer__top{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-strong)}
.footer__desc{margin-top:20px;font-size:13.5px;line-height:1.85;max-width:330px;color:var(--ink-3)}
.footer__legal{margin-top:14px;font-size:12px;line-height:1.8;max-width:360px;color:var(--ink-4)}
.footer h4{color:var(--ink-1);font-size:14px;font-weight:600;margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer a{color:var(--ink-2);transition:color .16s}
.footer a:hover{color:var(--brand)}
.footer__bottom{padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.footer .footer__icp{color:var(--ink-3);white-space:nowrap;transition:color .16s}
.footer .footer__icp:hover{color:var(--brand)}

/* ---------- 兼容层：产品页 / 联系页既有类名（浅色化） ---------- */
.jump{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.chip{display:inline-block;font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line-strong);border-radius:999px;padding:6px 16px;transition:all .16s}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:34px;margin-bottom:22px}
.svc-num{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}
.svc h2{font-size:22px;margin-bottom:12px}
.svc .lead{margin:0 0 18px}
.bullets{margin:0;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
.bullets li{margin:8px 0;line-height:1.7}
.checkrow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.ck{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg-soft-2);padding:12px 14px;font-size:13px;color:var(--ink-3)}
.ck b{color:var(--ink-1)}
.svc-sub{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.svc-sub .sub{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft-2);padding:18px}
.svc-sub .sub h4{font-size:15px;margin-bottom:6px}
.svc-sub .sub p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin:0}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:22px;align-items:start}
.info-list{display:grid;gap:14px}
.info-list .item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.info-list .item .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);font-size:19px;flex-shrink:0}
.info-list .item .t{font-size:13px;color:var(--ink-3);margin-bottom:2px}
.info-list .item .v{font-size:15.5px;font-weight:600;color:var(--ink-1)}
.info-list .item .v a{color:var(--ink-1)}
.info-list .item .v a:hover{color:var(--brand)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:28px;box-shadow:var(--shadow-s)}
.msg{font-size:13.5px;margin:0;min-height:20px}
.msg.ok{color:#0a7a43}
.msg.err{color:#a81e4d}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.promise{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.promise h4{font-size:16px;margin-bottom:6px}
.promise p{color:var(--ink-2);font-size:13.5px;line-height:1.7;margin:0}
/* 联系页表单：裸 input/select/textarea 也套用原站输入框样式 */
.form-card input,.form-card select,.form-card textarea{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-s);padding:12px 14px;background:#fff;font-size:14.5px;outline:none;transition:border-color .16s,box-shadow .16s}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,82,217,.12)}
.form-card input::placeholder,.form-card textarea::placeholder{color:var(--ink-4)}

/* ---------- 滚动出现动画 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__visual{min-height:auto;max-width:520px}
  .hero__stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 12px}
  .hero__stats--text .hero__stat:last-child{grid-column:1/-1}
  .panel{grid-template-columns:1fr;gap:26px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .checkrow{grid-template-columns:repeat(2,1fr)}
  .svc-sub{grid-template-columns:repeat(2,1fr)}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:var(--header-h);left:12px;right:12px;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-l);padding:10px;margin-left:0}
  .nav.is-open{display:flex}
  .nav.is-open a{color:var(--ink-2)}
  .nav.is-open a:hover{color:var(--brand);background:var(--brand-soft)}
  .nav.is-open a.is-active{color:var(--brand)}
  .nav.is-open a.is-active::after{display:none}
  .burger{display:grid}
  .header__actions .btn--ghost-label{display:none}
  .section{padding:62px 0}
  .hero{padding-top:calc(var(--header-h) + 36px)}
  .grid--3,.grid--2,.newsgrid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .contact-grid{grid-template-columns:1fr}
  .field--row{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr;padding:36px 26px;text-align:left}
  .cta__actions .btn{flex:1 1 auto}
  .svc{padding:24px 20px}
  .panel{padding:24px 20px}
  .floatcard--a{left:0}
  .floatcard--b{right:0}
}
@media (max-width:520px){
  .wrap,.header__inner{padding:0 18px}
  .hero__stats{grid-template-columns:1fr}
  .grid--4,.metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .checkrow,.svc-sub,.promise-grid{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr}
  .logo__badge{display:none}
  .hero__cta .btn{flex:1 1 auto}
}

/* ---------- 资讯列表：置顶头条 + 图文卡片 ---------- */
.featnews{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;margin-bottom:28px;transition:box-shadow .22s,border-color .22s}
.featnews:hover{box-shadow:var(--shadow-l);border-color:var(--brand-soft-2)}
.featnews__body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
.fn-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.featnews h2{font-size:clamp(20px,2.1vw,27px);line-height:1.4;margin-bottom:14px;transition:color .16s}
.featnews:hover h2{color:var(--brand)}
.featnews__body p{font-size:14.8px;color:var(--ink-2);line-height:1.85}
.featnews__meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:22px;font-size:13px;color:var(--ink-3)}
.featnews__more{color:var(--brand);font-weight:600}
.featnews__cover{position:relative;min-height:260px;background:var(--bg-soft);overflow:hidden}
.featnews__cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.nc-cover{height:158px;border-radius:var(--radius-s);overflow:hidden;background:var(--bg-soft);margin-bottom:14px;position:relative}
.nc-cover img{width:100%;height:100%;object-fit:cover;display:block}
.nc-cover--blank,.featnews__cover.nc-cover--blank{display:grid;place-items:center;background:repeating-linear-gradient(-45deg,rgba(0,82,217,.05) 0 12px,rgba(0,82,217,.09) 12px 24px),var(--bg-soft)}
.nc-cover-ph{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--brand);opacity:.55;padding:8px 18px;border:1px dashed rgba(0,82,217,.35);border-radius:999px;background:rgba(255,255,255,.72)}
.featnews__cover.nc-cover--blank .nc-cover-ph{font-size:16px}
@media (max-width:860px){
  .featnews{grid-template-columns:1fr}
  .featnews__cover{min-height:0;aspect-ratio:4/3;order:-1}
  .featnews__body{padding:26px 24px}
}

/* ============ 产品服务页增强 ============ */
.pagehead .jump{justify-content:flex-start;margin:28px 0 0}
.pagehead .chip.is-on{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.svc{transition:border-color .2s, box-shadow .2s}
.svc:hover{border-color:var(--brand-soft-2);box-shadow:var(--shadow-l)}
.svc-head{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.svc-idx{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:16px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),#0b7fd6);box-shadow:0 8px 20px rgba(0,82,217,.26);letter-spacing:.02em}
.svc-head h2{margin:0;font-size:21px;line-height:1.35}
.svc-sub .sub{transition:border-color .2s, box-shadow .2s, transform .2s}
.svc-sub .sub:hover{border-color:var(--brand-soft-2);box-shadow:var(--shadow-m);transform:translateY(-2px)}
.dlv-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-l);background:#fff}
.dlv{width:100%;border-collapse:collapse;min-width:640px}
.dlv th{background:var(--bg-soft);font-size:13px;color:var(--ink-3);text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
.dlv td{padding:15px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7}
.dlv tr:last-child td{border-bottom:0}
.dlv td.m{font-weight:700;color:var(--ink);white-space:nowrap}
.dlv td b{color:var(--ink)}
@media (max-width:640px){
  .svc-head{gap:12px}
  .svc-idx{width:40px;height:40px;font-size:14px;border-radius:11px}
  .svc-head h2{font-size:19px}
}

/* ============ FAQ 与 CTA 增强 ============ */
.cta--promo{padding:46px 48px}
.cta--promo::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(72% 88% at 82% 16%,#000,transparent 72%);
  mask-image:radial-gradient(72% 88% at 82% 16%,#000,transparent 72%)}
.cta__body{position:relative;z-index:1;min-width:0}
.cta__direct{display:flex;align-items:center;gap:8px 20px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:14.5px}
.cta__direct-label{color:rgba(255,255,255,.62);font-size:13px;letter-spacing:.02em}
.cta__direct-item{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:600;text-decoration:none;transition:opacity .15s}
.cta__direct-item:hover{opacity:.78;text-decoration:underline}
.cta__direct-item svg{opacity:.85;flex:none}
.cta .btn svg{flex:none}
@media (max-width:640px){
  .cta--promo{padding:34px 24px}
  .cta--promo::before{background-size:26px 26px}
  .cta__direct{gap:7px 14px;margin-top:16px;padding-top:14px}
}

/* ---- 资讯分页（浅色主题） ---- */
.pager{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:38px}
.pager__btn{min-width:40px;height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink-2);border-radius:var(--radius-s);
  font-size:14.5px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .16s ease}
.pager__btn:hover:not(:disabled):not(.is-on){border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.pager__btn.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(0,82,217,.22);cursor:default}
.pager__btn:disabled{opacity:.42;cursor:not-allowed}
.pager__step{padding:0 16px}
.pager__gap{color:var(--ink-4);padding:0 2px;user-select:none}
.pager__info{flex-basis:100%;text-align:center;color:var(--ink-3);font-size:13px;margin-top:4px}
@media (max-width:640px){
  .pager{gap:6px;margin-top:30px}
  .pager__btn{min-width:36px;height:36px;padding:0 10px;font-size:13.5px}
  .pager__step{padding:0 12px}
}