/* ============================================================
   陕西亚洋货运有限公司 · 企业官网 共享样式 v2
   货运行业蓝 × 琥珀强调 · 科技感高端卡片风格
   移动优先（375px 起步），桌面在 @media(min-width:768px) 扩展
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  --brand-950:#051a2e;
  --brand-900:#0a2c47;
  --brand-800:#0d3a5e;
  --brand-700:#14517f;
  --brand-600:#1a66a4;
  --brand-500:#2179c2;
  --brand-400:#2f8fd8;
  --accent:#f0a63a;
  --accent-deep:#db8b1c;
  --accent-soft:#fdeed2;
  --ink:#1b2a38;
  --muted:#5c6c7b;
  --bg:#f6f9fb;
  --card:#ffffff;
  --line:#e3ebf1;
  --grad:linear-gradient(135deg,#0a2c47 0%,#14517f 55%,#2179c2 100%);
  --shadow:0 12px 30px rgba(9,40,68,.10);
  --shadow-lg:0 24px 60px rgba(9,40,68,.16);
  --radius:16px;
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  font-size:15px;min-width:320px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
::selection{background:var(--accent);color:#fff}

/* ---------- 布局辅助 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.section--alt{background:#fff}
.section--dark{background:var(--brand-900);color:#cfdff0}
.section-head{max-width:760px;margin:0 auto 36px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:10px}
.section--dark .eyebrow{color:var(--accent)}
.section-title{font-size:26px;line-height:1.35;color:var(--brand-900);font-weight:700}
.section--dark .section-title{color:#fff}
.section-sub{margin-top:10px;color:var(--muted);font-size:15px}
.section--dark .section-sub{color:#b9cfe3}
@media(min-width:768px){
  .section{padding:80px 0}
  .section-title{font-size:34px}
}

/* ---------- 顶部电话条 ---------- */
.topbar{background:var(--brand-950);color:#cfe0f0;font-size:13px;padding:8px 0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.topbar .tb-tag{display:inline-flex;align-items:center;gap:6px;color:#ffd58a}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:var(--accent)}
@media(max-width:719px){.topbar .tb-tag{width:100%}}

/* ---------- 顶栏导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(6,26,46,.96);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(5,26,46,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.02em}
.brand .mark{width:38px;height:38px;border-radius:9px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px rgba(33,121,194,.4);font-size:20px;font-weight:800;flex:none}
.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.3em;color:#9fc4e6;line-height:1}
.menu{display:none}
.menu a{padding:20px 13px;color:#d7e6f4;font-size:15px;position:relative;transition:color .2s}
.menu a:hover,.menu a.is-active{color:#fff}
.menu a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:14px;height:2px;background:var(--accent);border-radius:2px}
.nav-toggle{display:flex;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;cursor:pointer;padding:0;min-width:44px;min-height:44px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(min-width:900px){.nav-inner{height:74px}.menu{display:flex;align-items:center;gap:0}.nav-toggle{display:none}}
@media(min-width:768px) and (max-width:899px){
  .menu a{font-size:14px;padding:20px 9px}
  .brand small{display:none}
}
.mobile-menu{display:none;background:var(--brand-950);border-top:1px solid rgba(255,255,255,.08);padding:6px 20px 16px;max-height:70vh;overflow:auto}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 4px;color:#d7e6f4;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--accent)}

/* ---------- 页面顶部横幅 ---------- */
.page-hero{position:relative;background:var(--grad);color:#fff;overflow:hidden;padding:52px 0 48px}
.page-hero .crumbs{font-size:13px;color:#a9c7e4;margin-top:10px}
.page-hero .crumbs a:hover{color:#fff}
.page-hero h1{font-size:30px;line-height:1.3;font-weight:700}
.page-hero p{margin-top:12px;max-width:660px;color:#cfdff0;font-size:15px}
.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(240,166,58,.28),transparent 65%)}
.page-hero::before{content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(47,143,216,.35),transparent 65%)}
@media(min-width:768px){.page-hero{padding:84px 0 76px}.page-hero h1{font-size:42px}.page-hero p{font-size:17px}}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;min-height:78vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(5,26,46,.92) 0%,rgba(9,42,71,.78) 45%,rgba(10,44,71,.35) 100%)}
.hero-content{padding:70px 0;max-width:780px}
.hero .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(240,166,58,.16);border:1px solid rgba(240,166,58,.5);color:#ffd58a;font-size:13px;letter-spacing:.05em;margin-bottom:20px}
.hero h1{font-size:32px;line-height:1.28;font-weight:800;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{margin-top:18px;font-size:16px;color:#dfe9f5;max-width:600px}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.22s;min-height:44px}
.btn-primary{background:var(--accent);color:#33220a;box-shadow:0 8px 20px rgba(240,166,58,.35)}
.btn-primary:hover{background:#ffb44d;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-line{border-color:var(--brand-400);color:var(--brand-600)}
.btn-line:hover{background:var(--brand-400);color:#fff}
@media(min-width:768px){.hero{min-height:88vh}.hero h1{font-size:54px}.hero p{font-size:18px}}

/* ---------- 首页快速服务条 ---------- */
.quick-strip{position:relative;z-index:5;margin-top:-46px}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(min-width:768px){.quick-grid{grid-template-columns:repeat(4,1fr)}}
.quick-card{background:#fff;border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;gap:14px;align-items:flex-start;transition:.25s}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.quick-ico{width:46px;height:46px;border-radius:12px;flex:none;background:linear-gradient(135deg,var(--brand-600),var(--brand-400));display:flex;align-items:center;justify-content:center;color:#fff}
.quick-card h3{font-size:16px;color:var(--brand-900)}
.quick-card p{margin-top:4px;font-size:13px;color:var(--muted)}
@media(min-width:768px){.quick-card{flex-direction:column;padding:26px 22px}.quick-card p{font-size:14px}}

/* ---------- 通用内容区块 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:820px){.split{grid-template-columns:1.05fr .95fr;gap:48px}.split--rev .split-media{order:2}}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media.ratio img{aspect-ratio:4/3}
.split-body h2{font-size:24px;color:var(--brand-900);line-height:1.35;font-weight:700}
.split-body h2 span{color:var(--accent-deep)}
.split-body p{margin-top:14px;color:var(--muted)}
.split-body ul{margin-top:18px;display:grid;gap:12px}
.split-body li{display:flex;gap:10px;align-items:flex-start;color:#33465a;font-size:15px}
.split-body li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);margin-top:8px;flex:none;transform:rotate(45deg)}
.split-body .more{margin-top:22px}
@media(min-width:768px){.split-body h2{font-size:32px}}

/* ---------- 信任区（百世快运） ---------- */
.trust{display:grid;grid-template-columns:1fr;gap:14px;align-items:stretch}
@media(min-width:820px){.trust{grid-template-columns:1.2fr 1fr}}
.trust-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;justify-content:center}
.trust-card .badge{display:inline-flex;align-items:center;gap:8px;width:fit-content;padding:7px 14px;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep);font-weight:700;font-size:14px}
.trust-card h3{font-size:20px;color:var(--brand-900);line-height:1.4}
.trust-card p{color:var(--muted);font-size:14px}
.trust-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.trust-stat{background:var(--brand-900);border-radius:var(--radius);padding:22px 16px;color:#fff;text-align:center;box-shadow:var(--shadow)}
.trust-stat .num{font-size:26px;font-weight:800;color:var(--accent);line-height:1.1}
.trust-stat .lab{margin-top:8px;font-size:13px;color:#cfe0f0}
@media(min-width:768px){.trust-card h3{font-size:26px}.trust-stat .num{font-size:34px}}

/* ---------- 服务卡片 ---------- */
.cards{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.cards--2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.cards--4{grid-template-columns:repeat(4,1fr)}.cards--3{grid-template-columns:repeat(3,1fr)}}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.25s}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.service-card .thumb{overflow:hidden}
.service-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.4s}
.service-card:hover .thumb img{transform:scale(1.05)}
.service-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.service-card h3{font-size:17px;color:var(--brand-900);display:flex;align-items:center;gap:8px}
.service-card h3 .n{font-size:12px;color:var(--accent-deep);font-weight:700;letter-spacing:.06em}
.service-card p{color:var(--muted);font-size:14px}
.service-card .tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px}
.chip{font-size:12px;color:var(--brand-600);background:rgba(33,121,194,.10);padding:4px 10px;border-radius:999px}

/* ---------- 特性 / 价值 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.feature-grid{grid-template-columns:repeat(4,1fr)}}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow);transition:.25s}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature .ic{width:58px;height:58px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,var(--brand-600),var(--brand-400));display:flex;align-items:center;justify-content:center;color:#fff}
.feature h3{font-size:17px;color:var(--brand-900)}
.feature p{margin-top:8px;font-size:14px;color:var(--muted)}
.feature-grid--3 .feature{text-align:left}
.feature-grid--3 .feature .ic{margin:0 0 14px}

/* ---------- 平台亮点（智行千里） ---------- */
.plat-hero{background:var(--grad);color:#fff;padding:60px 0 70px;overflow:hidden;position:relative}
.plat-hero .brand-line{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);padding:8px 16px;border-radius:999px;font-size:13px;letter-spacing:.06em;margin-bottom:20px}
.plat-hero h1{font-size:32px;line-height:1.25;font-weight:800}
.plat-hero h1 em{font-style:normal;color:var(--accent)}
.plat-hero p{margin-top:16px;color:#dfe9f5;font-size:16px;max-width:640px}
@media(min-width:768px){.plat-hero{padding:84px 0 96px}.plat-hero h1{font-size:48px}}
.plat-ico-list{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.plat-ico-list{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.plat-ico-list{grid-template-columns:repeat(4,1fr)}}
.plat-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:.25s}
.plat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plat-item .p-ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--brand-600),var(--brand-400));display:flex;align-items:center;justify-content:center;color:#fff}
.plat-item .p-ic.p-amber{background:linear-gradient(135deg,var(--accent-deep),var(--accent))}
.plat-item h3{font-size:17px;color:var(--brand-900)}
.plat-item p{font-size:14px;color:var(--muted)}
.plat-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--accent-deep);background:var(--accent-soft);padding:4px 10px;border-radius:999px;width:fit-content;font-weight:600}

/* ---------- 流程时间轴 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:820px){.flow{grid-template-columns:repeat(5,1fr);gap:16px}}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;position:relative;box-shadow:var(--shadow)}
.flow-step .dot{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:12px}
.flow-step h4{font-size:16px;color:var(--brand-900)}
.flow-step p{margin-top:6px;font-size:13px;color:var(--muted)}
@media(min-width:820px){
  .flow-step::after{content:"";position:absolute;top:34px;left:calc(100% - 2px);width:100%;height:2px;background:repeating-linear-gradient(90deg,var(--brand-400) 0 6px,transparent 6px 12px)}
  .flow-step:last-child::after{display:none}
}

/* ---------- 深色 CTA 区 ---------- */
.cta-band{background:var(--grad);color:#fff;padding:48px 0}
.cta-inner{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.cta-inner h2{font-size:24px;line-height:1.35;font-weight:700}
.cta-inner p{color:#cfdff0;max-width:560px}
@media(min-width:820px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}.cta-inner h2{font-size:30px}.cta-band{padding:64px 0}}

/* ---------- 表格 ---------- */
.info-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.info-table th,.info-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.info-table th{background:var(--brand-900);color:#fff;font-weight:600;white-space:nowrap}
.info-table tr:last-child td{border-bottom:0}
.info-table td.k{color:var(--muted);white-space:nowrap;width:34%}
.info-table td.v{color:var(--ink)}

/* ---------- 新闻列表 ---------- */
.news-list{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:820px){.news-list{grid-template-columns:repeat(2,1fr)}}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;transition:.25s;cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-400)}
.news-card .date{font-size:13px;color:var(--brand-500);font-weight:600}
.news-card h3{font-size:17px;color:var(--brand-900);line-height:1.4}
.news-card p{font-size:14px;color:var(--muted)}
.news-card .more{margin-top:auto;padding-top:10px;color:var(--brand-600);font-weight:600;font-size:14px}

/* ---------- 留言表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow)}
@media(min-width:768px){.form-card{padding:38px 34px}}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:720px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;color:#33465a;font-weight:600}
.field label .req{color:#e0483e}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #cddae4;border-radius:10px;font-size:16px;background:#fbfdfe;color:var(--ink);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(33,121,194,.16);background:#fff}
.field textarea{min-height:130px;resize:vertical}
.form-actions{margin-top:20px}
.form-note{margin-top:14px;font-size:13px;color:var(--muted)}
.form-note a{color:var(--brand-600);font-weight:600}

/* ---------- 联系信息卡 ---------- */
.contact-list{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:720px){.contact-list{grid-template-columns:1fr 1fr}}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;gap:14px}
.contact-card .ic{width:46px;height:46px;border-radius:12px;flex:none;background:var(--accent-soft);color:var(--accent-deep);display:flex;align-items:center;justify-content:center}
.contact-card h3{font-size:15px;color:var(--brand-900)}
.contact-card p,.contact-card a{font-size:14px;color:var(--muted);word-break:break-all;margin-top:4px;display:block}
.contact-card a:hover{color:var(--brand-600)}
.contact-card a.tel{color:var(--brand-700);font-size:20px;font-weight:800;letter-spacing:.02em}
.address-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-top:16px}
.map-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--brand-600);font-weight:600;font-size:14px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);background:var(--brand-950);color:#fff;padding:14px 24px;border-radius:12px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;transition:.3s;z-index:100;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-950);color:#b7c9da;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px}
@media(min-width:820px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer .brand{color:#fff;margin-bottom:14px}
.footer-about p{font-size:14px;line-height:1.8}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer ul{display:grid;gap:10px}
.footer ul a{font-size:14px;transition:.2s}
.footer ul a:hover{color:var(--accent)}
.footer .f-contact{display:grid;gap:10px;font-size:14px}
.footer .f-contact a:hover{color:var(--accent)}
.footer .f-contact .ftel{color:#ffd58a;font-weight:700;font-size:17px}
.footer-badge{margin-top:14px;display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#ffd58a;background:rgba(240,166,58,.12);border:1px solid rgba(240,166,58,.35);padding:6px 12px;border-radius:999px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;font-size:13px;display:flex;flex-direction:column;gap:6px}
.footer-bottom .beian a{color:#9fc4e6}
.footer-bottom .beian a:hover{color:var(--accent)}