/* ============================================================
   达聚网 www.dajunet.cn 企业官网样式
   设计语言：深藏蓝（专业信任） + 金色（行业声量）
   ============================================================ */
:root{
  --navy:#0b1f3a;
  --navy-2:#10294d;
  --navy-3:#16345f;
  --blue:#1e5eff;
  --blue-dark:#1646c4;
  --gold:#c9a24b;
  --gold-2:#e0bd73;
  --gold-soft:#f7efe0;
  --bg:#ffffff;
  --bg-soft:#f4f7fc;
  --bg-deep:#0b1f3a;
  --line:#e3e9f2;
  --text:#152238;
  --muted:#5c6b85;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 10px 30px rgba(11,31,58,.08);
  --shadow-lg:0 24px 60px rgba(11,31,58,.14);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--navy)}
::selection{background:var(--gold);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-deep{background:var(--bg-deep);color:#cdd9ec}
.section-deep h2,.section-deep h3{color:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:14px;font-weight:600;letter-spacing:2px;margin-bottom:14px}
.section-head .kicker::before,.section-head .kicker::after{content:"";width:26px;height:1px;background:var(--gold)}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.section-deep .section-head p{color:#9fb2d0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;transition:all .25s ease;cursor:pointer;border:2px solid transparent;line-height:1.4}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#fff;box-shadow:0 8px 22px rgba(201,162,75,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,162,75,.45)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(30,94,255,.3)}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{border-color:var(--blue);color:var(--blue);background:#fff}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn .icon{width:16px;height:16px;flex:none}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:44px;height:44px}
.logo-name{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:1px}
.logo-name small{display:block;font-size:10px;font-weight:500;color:var(--muted);letter-spacing:2.5px;line-height:1.2}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list>li>a{display:block;padding:10px 16px;font-size:15.5px;font-weight:500;color:#33425e;border-radius:8px;transition:all .2s}
.nav-list>li>a:hover{color:var(--blue);background:#eef3ff}
.nav-list>li>a.active{color:var(--blue);font-weight:700}
.nav-cta{margin-left:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.nav-toggle svg{width:26px;height:26px;stroke:var(--navy)}
@media (max-width:960px){
  .nav-toggle{display:block}
  .nav-list{position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(11,31,58,.12);display:none}
  .nav-list.open{display:flex}
  .nav-list>li>a{padding:13px 10px;font-size:16px}
  .nav-cta{margin:10px 0 0}
  .nav-cta .btn{width:100%}
}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:radial-gradient(1100px 500px at 85% -10%,rgba(30,94,255,.35),transparent 60%),radial-gradient(900px 460px at -10% 110%,rgba(201,162,75,.22),transparent 55%),linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--navy-3) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:96px 0 88px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(201,162,75,.14);border:1px solid rgba(201,162,75,.45);color:var(--gold-2);padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:600;letter-spacing:.5px;margin-bottom:22px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 4px rgba(201,162,75,.25)}
.hero h1{font-size:46px;line-height:1.28;color:#fff;margin-bottom:20px;font-weight:800;letter-spacing:.5px}
.hero h1 .gold{color:var(--gold-2)}
.hero-sub{font-size:17px;color:#c3d0e4;max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:#aebdd6}
.hero-trust svg{width:17px;height:17px;stroke:var(--gold-2);flex:none}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(8px)}
.hero-card-title{font-size:13px;color:#9fb2d0;letter-spacing:2px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}
.hero-card-title b{color:var(--gold-2);font-size:15px;letter-spacing:0}
.hero-stat{display:flex;align-items:flex-end;gap:22px;padding-bottom:24px;border-bottom:1px dashed rgba(255,255,255,.18);margin-bottom:22px}
.hero-stat .num{font-size:52px;font-weight:800;color:#fff;line-height:1}
.hero-stat .num em{font-style:normal;color:var(--gold-2)}
.hero-stat .lbl{font-size:13.5px;color:#9fb2d0;line-height:1.5;padding-bottom:6px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-chips span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);color:#d7e1f2;font-size:13px;padding:7px 14px;border-radius:999px}
.hero-platforms{margin-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hero-platforms .t{font-size:12.5px;color:#8fa3c4;letter-spacing:1px}
.hero-platforms span{font-size:13.5px;font-weight:600;color:#e8eefb;background:rgba(255,255,255,.06);padding:6px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.1)}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:64px 0 72px;gap:44px}
  .hero h1{font-size:34px}
  .hero-stat .num{font-size:42px}
}

/* ---------- 指标条 ---------- */
.stats-band{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.08)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:44px 0}
.stat-item{text-align:center}
.stat-item .num{font-size:40px;font-weight:800;color:#fff;line-height:1.2}
.stat-item .num em{font-style:normal;color:var(--gold-2)}
.stat-item .lbl{font-size:14px;color:#9fb2d0;margin-top:6px}
.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,.1)}
@media (max-width:960px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .stat-item + .stat-item{border-left:none}
  .stat-item .num{font-size:32px}
}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- 业务卡片 ---------- */
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 28px;transition:all .3s ease;position:relative;overflow:hidden;display:flex;flex-direction:column}
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--gold));opacity:0;transition:opacity .3s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card:hover::before{opacity:1}
.svc-icon{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,#eef3ff,#e2ebff);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.svc-icon svg{width:28px;height:28px;stroke:var(--blue)}
.svc-card h3{font-size:19px;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:14.5px;flex:1;margin-bottom:16px}
.svc-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:14.5px}
.svc-link svg{width:15px;height:15px;transition:transform .2s}
.svc-card:hover .svc-link svg{transform:translateX(4px)}
.svc-card.gold .svc-icon{background:var(--gold-soft)}
.svc-card.gold .svc-icon svg{stroke:var(--gold)}

/* ---------- 通用特性卡 ---------- */
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:all .25s}
.feat-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.feat-card h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.feat-card h3 svg{width:20px;height:20px;stroke:var(--gold);flex:none}
.feat-card p{color:var(--muted);font-size:14.5px}
.feat-card.dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
.feat-card.dark h3{color:#fff}
.feat-card.dark p{color:#a9b9d4}

/* ---------- 平台覆盖 ---------- */
.plat-strip{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding:26px 0;border:1px dashed var(--line);border-radius:var(--radius-lg);background:#fbfcff}
.plat-strip .t{font-size:14px;color:var(--muted);font-weight:600;margin-right:8px}
.plat-strip span{font-size:15px;font-weight:700;color:var(--navy);background:#fff;border:1px solid var(--line);padding:10px 22px;border-radius:12px;box-shadow:0 4px 14px rgba(11,31,58,.06)}
.plat-strip span::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-right:9px;vertical-align:2px}

/* ---------- 服务流程 ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.p-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;position:relative;transition:all .25s}
.p-step:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.p-step .no{width:44px;height:44px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:var(--gold-2);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center}
.p-step h3{font-size:16px;margin-bottom:8px}
.p-step p{font-size:13.5px;color:var(--muted);line-height:1.6}
@media (max-width:960px){.process{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.process{grid-template-columns:1fr}}

/* ---------- 对比块（为什么选我们） ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-col{border-radius:var(--radius-lg);padding:34px 30px}
.compare-col.bad{background:#fdf5f5;border:1px solid #f3d8d8}
.compare-col.good{background:linear-gradient(160deg,#0e2747,#14325c);color:#cdd9ec;position:relative;overflow:hidden}
.compare-col.good::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,75,.25),transparent 70%);top:-80px;right:-80px}
.compare-col h3{font-size:20px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.compare-col.bad h3{color:#b04444}
.compare-col.good h3{color:#fff}
.compare-col ul li{display:flex;gap:12px;padding:9px 0;font-size:15px;align-items:flex-start}
.compare-col.bad ul li{color:#8a5a5a}
.compare-col.good ul li{color:#dfe8f7}
.compare-col ul svg{width:18px;height:18px;flex:none;margin-top:4px}
.compare-col.bad ul svg{stroke:#d08a8a}
.compare-col.good ul svg{stroke:var(--gold-2)}
@media (max-width:960px){.compare{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden;transition:box-shadow .25s}
.faq-item[open]{box-shadow:var(--shadow);border-color:#cddcf5}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--navy)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .arr{width:26px;height:26px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;flex:none;transition:transform .25s}
.faq-item summary .arr svg{width:13px;height:13px;stroke:var(--blue)}
.faq-item[open] summary .arr{transform:rotate(180deg);background:var(--blue)}
.faq-item[open] summary .arr svg{stroke:#fff}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 100%);border-radius:var(--radius-lg);padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,75,.28),transparent 70%);top:-120px;right:-60px}
.cta-band h3{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:#b9c8e0;font-size:15.5px}
.cta-band .btn{position:relative;z-index:1;flex:none}
@media (max-width:960px){.cta-band{flex-direction:column;text-align:center;padding:44px 26px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:#aebdd6;padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.footer-brand p{font-size:14.5px;line-height:1.9;margin-top:16px;color:#93a5c4}
.footer-brand .flogo{display:flex;align-items:center;gap:10px}
.footer-brand .flogo .fname{color:#fff;font-size:20px;font-weight:800;letter-spacing:1px}
.footer-brand .flogo .fname small{display:block;font-size:10px;letter-spacing:2.5px;color:#7e91b2;font-weight:500}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:1px}
.footer-col h4::after{content:"";display:block;width:26px;height:2px;background:var(--gold);margin-top:8px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:#93a5c4;transition:all .2s}
.footer-col ul a:hover{color:var(--gold-2);padding-left:4px}
.footer-contact li{display:flex;gap:12px;margin-bottom:14px;font-size:14.5px;color:#93a5c4;align-items:flex-start}
.footer-contact svg{width:17px;height:17px;stroke:var(--gold-2);flex:none;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7e91b2}
.footer-bottom a:hover{color:var(--gold-2)}
@media (max-width:960px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ---------- 内页 Hero ---------- */
.page-hero{background:radial-gradient(900px 420px at 90% -20%,rgba(30,94,255,.32),transparent 60%),linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;padding:72px 0 60px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at center,black 20%,transparent 70%)}
.page-hero .container{position:relative}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#93a5c4;margin-bottom:16px;flex-wrap:wrap}
.crumbs a:hover{color:var(--gold-2)}
.crumbs .sep{color:#5f7396}
.crumbs .cur{color:var(--gold-2)}
.page-hero h1{font-size:38px;color:#fff;margin-bottom:14px;font-weight:800}
.page-hero p{font-size:16.5px;color:#bccbe2;max-width:720px}
@media (max-width:960px){.page-hero{padding:52px 0 44px}.page-hero h1{font-size:30px}}

/* ---------- 内容区通用 ---------- */
.content-block{max-width:860px}
.content-block h2{font-size:26px;margin:0 0 16px}
.content-block h3{font-size:19px;margin:26px 0 10px}
.content-block p{color:#46577a;margin-bottom:14px;font-size:15.5px}
.content-block ul{list-style:none;margin:0 0 18px}
.content-block ul li{position:relative;padding-left:24px;margin-bottom:10px;color:#46577a;font-size:15.5px}
.content-block ul li::before{content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media (max-width:960px){.split-2{grid-template-columns:1fr}}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:22px 0}
.tbl{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
.tbl th{background:var(--navy);color:#fff;text-align:left;padding:14px 18px;font-weight:600;white-space:nowrap}
.tbl td{padding:13px 18px;border-top:1px solid var(--line);color:#46577a;vertical-align:top}
.tbl tr:nth-child(even) td{background:var(--bg-soft)}
.tbl td b{color:var(--navy)}

/* ---------- 双列小卡（业务页） ---------- */
.mini-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mini-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff;display:flex;gap:14px;align-items:flex-start;transition:all .25s}
.mini-card:hover{box-shadow:var(--shadow);border-color:#cddcf5}
.mini-card .ic{width:42px;height:42px;border-radius:12px;background:var(--gold-soft);display:flex;align-items:center;justify-content:center;flex:none}
.mini-card .ic svg{width:21px;height:21px;stroke:var(--gold)}
.mini-card h4{font-size:15.5px;margin-bottom:4px}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.6}
@media (max-width:640px){.mini-cards{grid-template-columns:1fr}}

/* ---------- 业务分项卡（EPR 等） ---------- */
.sub-svc{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;background:#fff;transition:all .25s;display:flex;flex-direction:column;gap:10px}
.sub-svc:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.sub-svc h3{font-size:18px;display:flex;align-items:center;gap:10px}
.sub-svc h3 svg{width:22px;height:22px;stroke:var(--blue);flex:none}
.sub-svc p{color:var(--muted);font-size:14.5px;flex:1}
.sub-svc .tag{font-size:12px;color:var(--blue);background:#eef3ff;padding:4px 12px;border-radius:999px;font-weight:600;align-self:flex-start}
.sub-svc .tag.hot{color:#a1761f;background:var(--gold-soft)}

/* ---------- 联系方式 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
.contact-info .ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-info .ci:last-child{border-bottom:none}
.ci .ic{width:48px;height:48px;border-radius:14px;background:#eef3ff;display:flex;align-items:center;justify-content:center;flex:none}
.ci .ic svg{width:23px;height:23px;stroke:var(--blue)}
.ci h4{font-size:16px;margin-bottom:2px}
.ci p{font-size:14.5px;color:var(--muted)}
.ci p a{color:var(--blue);font-weight:600}
.ci p a:hover{text-decoration:underline}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow)}
.contact-form h3{font-size:22px;margin-bottom:6px}
.contact-form .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:7px}
.form-group label i{color:#c0392b;font-style:normal}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;color:var(--text);background:#fbfcff;transition:all .2s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(30,94,255,.1)}
.form-group textarea{resize:vertical;min-height:110px}
.form-tip{font-size:13px;color:var(--muted);margin-top:10px}
.form-msg{padding:13px 16px;border-radius:10px;font-size:14.5px;margin-bottom:18px;display:none}
.form-msg.ok{display:block;background:#eafaf0;color:#1e7e4a;border:1px solid #cdeeda}
.form-msg.err{display:block;background:#fdf1f1;color:#b04444;border:1px solid #f3d3d3}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}

/* ---------- 关于页数据 ---------- */
.mv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;text-align:center;transition:all .25s}
.mv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.mv-card .ic{width:60px;height:60px;margin:0 auto 18px;border-radius:18px;background:linear-gradient(135deg,var(--navy),var(--navy-3));display:flex;align-items:center;justify-content:center}
.mv-card .ic svg{width:28px;height:28px;stroke:var(--gold-2)}
.mv-card h3{font-size:19px;margin-bottom:10px}
.mv-card p{color:var(--muted);font-size:14.5px}
@media (max-width:960px){.mv-grid{grid-template-columns:1fr}}

/* ---------- 404 ---------- */
.err-page{text-align:center;padding:110px 24px}
.err-page .code{font-size:120px;font-weight:800;color:var(--navy);line-height:1;letter-spacing:6px}
.err-page .code em{font-style:normal;color:var(--gold)}
.err-page h1{font-size:26px;margin:14px 0 10px}
.err-page p{color:var(--muted);margin-bottom:30px}

/* ---------- 滚动渐显 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:26px;bottom:30px;width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--gold-2);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .3s;z-index:90;border:none;cursor:pointer}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--navy-3);transform:translateY(-3px)}
.to-top svg{width:19px;height:19px;stroke:var(--gold-2)}

/* ---------- 打印 ---------- */
@media print{.site-header,.site-footer,.cta-band,.to-top,.nav-cta{display:none!important}}