/* 环洋国际 · 定制版（升级样式 = 模板版基座 + 双语/动效/时间线/筛选/跟踪） */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1a2b4a; line-height: 1.6; background: #fff; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }

:root {
  --navy: #0a1f3d; --navy-mid: #1a2b4a; --navy-light: #2d4a7a;
  --blue: #185fa5; --blue-light: #e6f1fb;
  --gold: #c8a35a; --gold-deep: #b89148;
  --text: #1a2b4a; --text-2: #5a6b85; --text-3: #8895ad;
  --border: #e1e6ef; --bg-soft: #f6f8fc;
  --shadow: 0 4px 20px rgba(10,31,61,.08); --shadow-lg: 0 10px 40px rgba(10,31,61,.12);
  --radius: 6px; --radius-lg: 10px;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ===== Header + 语言切换 ===== */
.header { background: rgba(255,255,255,.98); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: var(--navy); white-space: nowrap; }
.nav-brand .logo-mark { width: 36px; height: 36px; background: var(--navy); color: var(--gold); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; }
.nav-brand small { display: block; font-size: 10px; color: var(--text-3); font-weight: 400; letter-spacing: .5px; }
.nav-links { display: flex; gap: 20px; list-style: none; }
.nav-links a { font-size: 13.5px; color: var(--text-2); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--navy); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; flex-shrink: 0; }
.lang-switch button { padding: 5px 12px; font-size: 12px; color: var(--text-2); font-weight: 600; }
.lang-switch button.active { background: var(--navy); color: #fff; }
.nav-cta { background: var(--gold); color: #fff !important; padding: 9px 18px; border-radius: var(--radius); font-size: 13.5px; font-weight: 600; transition: all .2s; white-space: nowrap; }
.nav-cta:hover { background: var(--gold-deep); transform: translateY(-1px); }

/* ===== Hero（含航线 SVG 动画） ===== */
.hero { background: linear-gradient(135deg,#0a1f3d 0%,#1a2b4a 55%,#2d4a7a 100%); color: #fff; position: relative; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 88px 0 72px; position: relative; z-index: 2; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 20% 30%, rgba(200,163,90,.08) 0%, transparent 40%), radial-gradient(circle at 80% 70%, rgba(24,95,165,.15) 0%, transparent 50%); pointer-events: none; }
.hero-eyebrow { display: inline-block; color: var(--gold); font-size: 12px; letter-spacing: 2px; margin-bottom: 16px; }
.hero h1 { font-size: 46px; line-height: 1.18; font-weight: 700; margin-bottom: 20px; }
.hero h1 .accent { color: var(--gold); }
.hero-lead { font-size: 16.5px; color: rgba(255,255,255,.85); margin-bottom: 32px; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-map { width: 100%; height: auto; }
.hero-map .flow { fill: none; stroke: var(--gold); stroke-width: 1.6; opacity: .85; }
.hero-map .dot { fill: #fff; }
@keyframes flowline { to { stroke-dashoffset: 0; } }
@keyframes dotpulse { 0%,100% { r: 3; opacity: 1; } 50% { r: 5; opacity: .6; } }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 28px; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: all .2s; border: 1px solid transparent; }
.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover { background: var(--gold-deep); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,163,90,.35); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ===== Stats（数字计数） ===== */
.stats { background: var(--navy); color: #fff; padding: 44px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; text-align: center; }
.stat-num { font-size: 32px; font-weight: 700; color: var(--gold); line-height: 1.2; }
.stat-label { font-size: 12.5px; color: rgba(255,255,255,.8); margin-top: 4px; }

/* ===== Section ===== */
section.pad { padding: 76px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .kicker { color: var(--blue); font-size: 12.5px; letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }
.section-head h2 { font-size: 34px; color: var(--navy); margin: 12px 0 14px; font-weight: 700; }
.section-head p { color: var(--text-2); font-size: 15.5px; max-width: 620px; margin: 0 auto; }

/* ===== 滚动渐入 ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.revealed { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }

/* ===== Features ===== */
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; transition: all .25s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold); }
.feature-icon { width: 52px; height: 52px; background: var(--blue-light); color: var(--blue); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; margin-bottom: 14px; }
.feature-card h3 { font-size: 16.5px; color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--text-2); }

/* ===== 航线 + 筛选 ===== */
.routes { background: var(--bg-soft); }
.filter-bar { display: flex; gap: 10px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.filter-btn { padding: 8px 22px; border-radius: 24px; border: 1px solid var(--border); background: #fff; color: var(--text-2); font-size: 13.5px; font-weight: 500; transition: all .2s; }
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.routes-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.route-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; display: flex; flex-direction: column; gap: 10px; transition: all .25s; }
.route-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.route-flow { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy); font-size: 15.5px; }
.route-flow .arrow { color: var(--gold); }
.route-meta { display: flex; gap: 10px; font-size: 12.5px; color: var(--text-2); flex-wrap: wrap; }
.route-meta span { background: var(--bg-soft); padding: 3px 10px; border-radius: 12px; }
.route-link { margin-top: auto; color: var(--blue); font-size: 13px; font-weight: 600; }

/* ===== Services（场景+时效） ===== */
.services-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.service-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; display: flex; gap: 18px; transition: all .25s; }
.service-block:hover { box-shadow: var(--shadow); border-color: var(--gold); }
.service-num { font-size: 26px; font-weight: 700; color: var(--gold); line-height: 1; min-width: 38px; }
.service-content h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.service-content .desc { color: var(--text-2); font-size: 13.5px; margin-bottom: 12px; }
.service-tags { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; }
.service-tags div { background: var(--bg-soft); border-radius: var(--radius); padding: 7px 12px; }
.service-tags strong { color: var(--navy); margin-right: 6px; font-size: 12px; }

/* ===== 评价 ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.testimonial { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; position: relative; }
.testimonial::before { content: "“"; position: absolute; top: 8px; left: 18px; font-size: 56px; color: var(--blue-light); font-family: serif; line-height: 1; }
.testimonial-text { color: var(--text); margin: 18px 0 14px; line-height: 1.7; font-size: 13.5px; }
.testimonial-author { font-size: 12.5px; color: var(--text-2); }
.testimonial-author strong { color: var(--navy); display: block; margin-bottom: 2px; }

/* ===== 案例 ===== */
.cases { background: var(--bg-soft); }
.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.case-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.case-top { background: var(--navy); color: #fff; padding: 22px 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.case-top .tag { color: var(--gold); font-size: 12.5px; letter-spacing: 1px; }
.case-top h3 { font-size: 18px; }
.case-metric { font-size: 26px; font-weight: 700; color: var(--gold); }
.case-body { padding: 24px 28px; color: var(--text-2); font-size: 14px; line-height: 1.8; }

/* ===== 时间线（关于） ===== */
.timeline { position: relative; max-width: 720px; margin: 40px auto; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold), var(--blue)); }
.tl-item { position: relative; padding: 0 0 26px 22px; }
.tl-item::before { content: ""; position: absolute; left: -28px; top: 5px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--gold); }
.tl-item .y { font-size: 17px; font-weight: 700; color: var(--navy); }
.tl-item .e { color: var(--text-2); font-size: 14px; margin-top: 2px; }
.about-content { max-width: 760px; margin: 0 auto; }
.about-content .story { font-size: 16px; line-height: 1.9; color: var(--text); }
.about-why { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 32px; }
.about-why div { background: var(--bg-soft); border-radius: var(--radius); padding: 14px 18px; font-size: 14px; color: var(--navy); font-weight: 500; }

/* ===== FAQ ===== */
.faq { background: var(--bg-soft); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid var(--border); overflow: hidden; }
.faq-q { padding: 17px 22px; font-weight: 600; color: var(--navy); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 14.5px; }
.faq-q::after { content: "+"; color: var(--gold); font-size: 22px; font-weight: 300; }
.faq-item.open .faq-q::after { content: "−"; }
.faq-a { padding: 0 22px 17px; color: var(--text-2); display: none; line-height: 1.7; font-size: 14px; }
.faq-item.open .faq-a { display: block; }

/* ===== 跟踪 ===== */
.track-box { max-width: 640px; margin: 0 auto; }
.track-input-row { display: flex; gap: 12px; }
.track-input-row input { flex: 1; padding: 13px 18px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 15px; }
.track-input-row input:focus { outline: none; border-color: var(--blue); }
.track-demos { margin-top: 14px; font-size: 13px; color: var(--text-3); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.track-demos button { background: var(--bg-soft); border: 1px dashed var(--border); border-radius: 16px; padding: 4px 14px; font-size: 12.5px; color: var(--blue); font-family: ui-monospace, monospace; }
.track-result { display: none; margin-top: 32px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); }
.track-result.show { display: block; animation: trackIn .4s ease; }
@keyframes trackIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.track-head { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.track-label { display: block; font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.track-head strong { color: var(--navy); font-size: 15px; }
.track-now { margin-left: auto; background: #e8f7ee; color: #1a7a3a; padding: 6px 16px; border-radius: 18px; font-size: 13px; font-weight: 600; }
.track-timeline { position: relative; padding-left: 24px; }
.track-timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.track-node { position: relative; display: flex; gap: 16px; padding-bottom: 22px; }
.track-node:last-child { padding-bottom: 0; }
.track-dot { width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--text-3); flex-shrink: 0; margin-top: 4px; margin-left: -24px; }
.track-node.done .track-dot { border-color: #27ae60; background: #27ae60; }
.track-node.current .track-dot { border-color: var(--gold); background: var(--gold); animation: dotglow 1.8s infinite; }
@keyframes dotglow { 0%,100% { box-shadow: 0 0 0 0 rgba(200,163,90,.5); } 50% { box-shadow: 0 0 0 8px rgba(200,163,90,0); } }
.track-node-status { font-weight: 600; color: var(--navy); font-size: 14px; }
.track-node.done .track-node-status { color: #27ae60; }
.track-node.current .track-node-status { color: var(--gold-deep); }
.track-node-place { color: var(--text-2); font-size: 13px; }
.track-node-time { color: var(--text-3); font-size: 12px; font-family: ui-monospace, monospace; }
.track-notfound { text-align: center; color: #c0392b; background: #fdf0ee; border-radius: var(--radius); padding: 18px; font-size: 14px; }

/* ===== CTA ===== */
.cta { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); color: #fff; text-align: center; padding: 68px 0; }
.cta h2 { font-size: 30px; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,.8); margin-bottom: 30px; font-size: 15.5px; }

/* ===== 联系/表单/地图 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; }
.contact-info-card { background: var(--bg-soft); padding: 30px; border-radius: var(--radius-lg); }
.contact-info-card h3 { color: var(--navy); margin-bottom: 18px; font-size: 17px; }
.contact-row { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.contact-row .ico { width: 34px; height: 34px; background: var(--blue); color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 13px; font-weight: 700; }
.contact-row strong { display: block; color: var(--navy); font-size: 13.5px; margin-bottom: 2px; }
.contact-row span { color: var(--text-2); font-size: 13.5px; }
.map-embed { margin-top: 18px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); filter: grayscale(.2); }
.map-embed iframe { width: 100%; height: 200px; border: 0; display: block; }
.contact-form, .quote-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; }
.contact-form h3, .quote-form h3 { color: var(--navy); margin-bottom: 18px; font-size: 17px; }
.form-row { margin-bottom: 15px; }
.form-row label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 6px; font-weight: 500; }
.form-row label em { color: #c0392b; font-style: normal; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; background: #fff; color: var(--text); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--blue); }
.form-row textarea { resize: vertical; min-height: 76px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-submit { background: var(--gold); color: #fff; padding: 13px 24px; border-radius: var(--radius); font-size: 14.5px; font-weight: 600; width: 100%; transition: all .2s; }
.form-submit:hover { background: var(--gold-deep); }
.form-submit:disabled { opacity: .5; cursor: not-allowed; }
.form-success { background: #e8f7ee; color: #1a7a3a; padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-top: 12px; display: none; }

/* ===== 新闻 ===== */
.news-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.news-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px 26px; transition: all .2s; }
.news-item:hover { box-shadow: var(--shadow); border-color: var(--gold); }
.news-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.news-meta .tag { background: var(--blue-light); color: var(--blue); padding: 2px 10px; border-radius: 10px; font-weight: 500; }
.news-item h3 { color: var(--navy); font-size: 17px; margin-bottom: 8px; }
.news-item p { color: var(--text-2); font-size: 13.5px; line-height: 1.7; }

/* ===== Page Hero ===== */
.page-hero { background: var(--navy); color: #fff; padding: 60px 0 48px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 75% 30%, rgba(200,163,90,.1) 0%, transparent 45%); }
.page-hero h1 { font-size: 36px; margin-bottom: 10px; position: relative; }
.page-hero p { color: rgba(255,255,255,.78); font-size: 15.5px; max-width: 600px; margin: 0 auto; position: relative; }

/* ===== Footer ===== */
.footer { background: #061530; color: rgba(255,255,255,.7); padding: 52px 0 24px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 36px; }
.footer h4 { color: #fff; margin-bottom: 14px; font-size: 14.5px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; }
.footer a:hover { color: #fff; }
.footer-brand p { margin-top: 12px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: rgba(255,255,255,.5); }
.footer-demo-tag { display: inline-block; background: rgba(200,163,90,.15); color: var(--gold); padding: 2px 10px; border-radius: 10px; font-size: 11px; margin-left: 8px; letter-spacing: .5px; }

/* ===== 客服弹窗 ===== */
.chat-launcher { position: fixed; right: 24px; bottom: 24px; z-index: 100; background: var(--navy); color: #fff; border-radius: 50px; padding: 13px 20px; display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; box-shadow: 0 8px 28px rgba(10,31,61,.3); cursor: pointer; transition: all .25s; }
.chat-launcher:hover { background: var(--navy-light); transform: translateY(-2px); }
.chat-launcher .pulse { width: 10px; height: 10px; background: #2ecc71; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(46,204,113,.6); } 70% { box-shadow: 0 0 0 8px rgba(46,204,113,0); } 100% { box-shadow: 0 0 0 0 rgba(46,204,113,0); } }
.chat-modal { position: fixed; inset: 0; background: rgba(10,31,61,.6); z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; animation: fadeIn .2s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.chat-modal.open { display: flex; }
.chat-box { background: #fff; border-radius: var(--radius-lg); max-width: 380px; width: 100%; padding: 32px 28px; position: relative; text-align: center; animation: slideUp .25s; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.chat-close { position: absolute; top: 12px; right: 16px; font-size: 24px; color: var(--text-3); width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; }
.chat-box h4 { color: var(--navy); font-size: 17.5px; margin-bottom: 6px; }
.chat-box .sub { color: var(--text-2); font-size: 13px; margin-bottom: 20px; }
.chat-qr { width: 210px; height: 210px; margin: 0 auto 14px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; padding: 8px; }
.chat-qr img { width: 100%; height: 100%; object-fit: contain; }
.chat-tel { color: var(--blue); font-weight: 700; font-size: 17px; margin-bottom: 8px; }
.chat-tip { color: var(--text-3); font-size: 12px; }

/* ===== 发货指南 ===== */
.guide-list { display: flex; flex-direction: column; gap: 14px; }
.guide-step { display: flex; gap: 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px 26px; transition: all .25s; }
.guide-step:hover { border-color: var(--gold); box-shadow: var(--shadow); transform: translateX(4px); }
.guide-num { font-size: 26px; font-weight: 700; color: var(--gold); min-width: 44px; line-height: 1.1; }
.guide-body h3 { color: var(--navy); font-size: 17px; margin-bottom: 8px; }
.guide-you, .guide-us { font-size: 13.5px; line-height: 1.7; }
.guide-you strong { color: var(--blue); font-size: 12px; margin-right: 4px; }
.guide-us strong { color: #27ae60; font-size: 12px; margin-right: 4px; }
.guide-you { color: var(--text-2); }
.guide-us { color: var(--text-2); }

/* ===== 移动端汉堡菜单 ===== */
.nav-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; font-size: 22px; color: var(--navy); border-radius: var(--radius); }
.nav-toggle:hover { background: var(--bg-soft); }
.mobile-menu { display: none; border-top: 1px solid var(--border); background: #fff; padding: 8px 0 16px; }
.mobile-menu ul { list-style: none; }
.mobile-menu li a { display: block; padding: 13px 24px; font-size: 15px; color: var(--text); font-weight: 500; border-left: 3px solid transparent; }
.mobile-menu li a:hover, .mobile-menu li a.active { border-left-color: var(--gold); background: var(--bg-soft); color: var(--navy); }
.mobile-menu .mm-cta { margin: 12px 24px 0; background: var(--gold); color: #fff; text-align: center; padding: 12px; border-radius: var(--radius); font-weight: 600; font-size: 14px; display: block; }
.mobile-menu .mm-lang { display: flex; gap: 10px; padding: 14px 24px 4px; }
.mobile-menu .mm-lang button { flex: 1; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; font-weight: 600; color: var(--text-2); }
.mobile-menu .mm-lang button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .mobile-menu.open { display: block; }
}

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding: 56px 0 48px; }
  .hero-map-wrap { display: none; }
  .hero h1 { font-size: 32px; }
  .stats-grid { grid-template-columns: repeat(3,1fr); gap: 20px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .routes-grid { grid-template-columns: 1fr 1fr; }
  .services-list { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .about-why { grid-template-columns: 1fr; }
  .track-now { margin-left: 0; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
  .routes-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 25px; }
  .page-hero h1 { font-size: 27px; }
  .track-input-row { flex-direction: column; }
  .chat-launcher { padding: 12px 16px; font-size: 13px; }
  .chat-launcher .label { display: none; }
  .hero h1 { font-size: 27px; }
  .nav-brand small { display: none; }
  .nav-right .nav-cta { display: none; }
}