/* =========================================================
   Vessel of Canada Ltd. · 官网设计系统
   风格：太空科技 + 简约大气（Dark Premium）
   配色：深空黑 + 加拿大红 + 高级灰白
   ========================================================= */

:root {
  --bg: #0a0c10;
  --bg-soft: #0f1219;
  --bg-card: #13171f;
  --bg-elevated: #1a1f2a;
  --ink: #ffffff;
  --text: #b8c0cc;
  --text-soft: #7d8798;
  --text-faint: #505968;
  --line: rgba(255,255,255,0.09);
  --accent: #d11920;
  --accent-soft: #ff4d55;
  --accent-glow: rgba(209,25,32,0.35);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --maxw: 1200px;
  --radius: 16px;
  --radius-lg: 26px;
  --shadow: 0 24px 60px rgba(0,0,0,0.35);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.22);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 0.45s var(--ease);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--t); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: 110px 0; }
.section--soft { background: var(--bg-soft); }

.eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--accent-soft); font-weight: 700; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(30px, 4.2vw, 46px); line-height: 1.18;
  font-weight: 800; color: var(--ink); letter-spacing: -0.015em;
}
.section-title .accent { color: var(--accent-soft); }
.lead { font-size: 17px; color: var(--text-soft); max-width: 640px; margin-top: 18px; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  border: 1.5px solid transparent; transition: all var(--t); white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 8px 24px var(--accent-glow); }
.btn--primary:hover { background: var(--accent-soft); transform: translateY(-2px); box-shadow: 0 12px 32px var(--accent-glow); }
.btn--ghost { border-color: rgba(255,255,255,0.45); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--bg); border-color: #fff; }
.btn--outline { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--accent-soft); color: var(--accent-soft); }
.btn .arrow { transition: transform var(--t); }
.btn:hover .arrow { transform: translateX(4px); }

/* 导航 */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: all var(--t); background: transparent;
}
.site-header.scrolled {
  background: rgba(10,12,16,0.88);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand .brand-logo {
  height: 34px; width: auto;
  transition: filter var(--t);
}
.brand .brand-text { font-size: 15px; color: #fff; font-weight: 600; letter-spacing: 0.02em; }
.site-header.scrolled .brand .brand-logo { filter: none; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  position: relative; padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: rgba(255,255,255,0.82);
}
.nav-links a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; background: var(--accent); transform: scaleX(0);
  transform-origin: left; transition: transform var(--t);
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 10px 22px; font-size: 14px; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: none; background: transparent;
  cursor: pointer; position: relative;
}
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: #fff; transition: var(--t); }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }

/* 通用页面头图 */
.page-hero {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 60vh; color: #fff; text-align: center; padding: 160px 0 100px;
  background-size: cover; background-position: center;
  overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,12,16,0.55) 0%, rgba(10,12,16,0.75) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(36px, 5.5vw, 64px); font-weight: 800; line-height: 1.1; }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 680px; margin: 18px auto 0; font-size: 18px; }

/* 首页 Hero */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; background: var(--bg); overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,12,16,0.92) 0%, rgba(10,12,16,0.65) 55%, rgba(10,12,16,0.35) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 100px; padding-bottom: 70px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.5vw, 68px); line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--accent-soft); }
.hero .tagline {
  font-size: 20px; color: rgba(255,255,255,0.85); max-width: 560px;
  margin: 22px 0 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 56px; flex-wrap: wrap; }
.hero-stats .num { font-size: 38px; font-weight: 800; color: #fff; line-height: 1; }
.hero-stats .num span { color: var(--accent-soft); }
.hero-stats .label { font-size: 14px; color: rgba(255,255,255,0.65); margin-top: 8px; }

/* Hero 右侧玻璃卡片 */
.hero-visual {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(10px);
  padding: 34px; display: flex; flex-direction: column; gap: 22px;
  box-shadow: var(--shadow);
}
.vcard {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px; padding: 18px 20px;
}
.vcard .t { font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255,255,255,0.65); }
.vcard .v { font-size: 22px; font-weight: 700; margin-top: 6px; color: #fff; }
.vcard .v small { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.6); }
.vlist { display: grid; gap: 14px; }
.vlist .row { display: flex; align-items: center; gap: 12px; font-size: 14px; color: rgba(255,255,255,0.85); }
.vlist .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-soft); flex: none; box-shadow: 0 0 0 4px rgba(209,25,32,0.25); }

/* 信任条 */
.trust { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 34px 0; }
.trust .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.trust .ttl { font-size: 13px; color: var(--text-soft); letter-spacing: 0.08em; text-transform: uppercase; }
.trust .logos { display: flex; gap: 36px; flex-wrap: wrap; align-items: center; }
.trust .logos span { font-weight: 600; font-size: 16px; letter-spacing: 0.01em; color: var(--text); }

/* 网格与卡片 */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 30px; transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(255,255,255,0.18); }
.card .ic {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(209,25,32,0.12); color: var(--accent-soft); margin-bottom: 22px;
}
.card .ic svg { width: 28px; height: 28px; }
.card h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: 15px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; font-size: 14px; color: var(--accent-soft); }

/* Split 区块 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 460px; box-shadow: var(--shadow); }
.split-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.split-visual .overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,12,16,0.95) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 36px; color: #fff;
}
.split-visual .overlay .big { font-size: clamp(34px, 5vw, 52px); font-weight: 800; line-height: 1; }
.split-visual .overlay .big span { color: var(--accent-soft); }
.split-visual .overlay .cap { color: rgba(255,255,255,0.75); margin-top: 10px; font-size: 15px; }

.checklist { margin-top: 26px; display: grid; gap: 16px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; color: var(--text); }
.checklist .ck {
  width: 26px; height: 26px; border-radius: 50%; flex: none;
  background: rgba(209,25,32,0.15); color: var(--accent-soft);
  display: grid; place-items: center; font-size: 14px; margin-top: 2px;
}

/* 统计数据块 */
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.mini-stats .m { border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 18px; background: rgba(255,255,255,0.03); }
.mini-stats .m b { font-size: 26px; display: block; color: #fff; }
.mini-stats .m span { font-size: 13px; color: var(--text-soft); }

/* 图文交错产品 */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 64px 0; border-bottom: 1px solid var(--line); }
.feature-row:last-child { border-bottom: none; }
.feature-row.rev .ftext { order: 2; }
.feature-row .ftext .tag { display: inline-block; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-soft); font-weight: 700; margin-bottom: 14px; }
.feature-row .ftext h3 { font-size: 28px; color: var(--ink); margin-bottom: 14px; }
.feature-row .ftext p { color: var(--text-soft); }
.feature-row .ftext ul { margin-top: 18px; display: grid; gap: 10px; }
.feature-row .ftext ul li { display: flex; gap: 10px; align-items: center; font-size: 15px; color: var(--text); }
.feature-row .ftext ul li::before { content: "✓"; color: var(--accent-soft); font-weight: 800; }
.fvisual { border-radius: var(--radius-lg); min-height: 360px; overflow: hidden; position: relative; box-shadow: var(--shadow-sm); }
.fvisual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

/* 画廊 */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px;
  background: linear-gradient(to top, rgba(10,12,16,0.9), transparent);
  color: #fff; font-weight: 700; font-size: 15px;
}

/* FAQ */
.faq { max-width: 840px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 24px 0; font-size: 17px; font-weight: 600; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.faq-q .pm { color: var(--accent-soft); font-size: 22px; transition: transform var(--t); flex: none; }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t), padding var(--t); color: var(--text-soft); font-size: 15px; }
.faq-item.open .faq-a { max-height: 260px; padding-bottom: 24px; }

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 50px; align-items: start; }
.contact-info {
  background: linear-gradient(150deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--line); color: #fff; border-radius: var(--radius-lg); padding: 44px;
}
.contact-info h3 { font-size: 24px; margin-bottom: 8px; }
.contact-info .ci-sub { color: var(--text-soft); margin-bottom: 28px; }
.ci-list { display: grid; gap: 22px; }
.ci-item { display: flex; gap: 16px; align-items: flex-start; }
.ci-item .ic { width: 46px; height: 46px; border-radius: 12px; flex: none; background: rgba(209,25,32,0.12); display: grid; place-items: center; color: var(--accent-soft); }
.ci-item .k { font-size: 13px; color: var(--text-soft); }
.ci-item .v { font-size: 16px; font-weight: 600; margin-top: 2px; color: #fff; }
.ci-social { display: flex; gap: 12px; margin-top: 30px; }
.ci-social a { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,0.07); color: #fff; transition: var(--t); }
.ci-social a:hover { background: var(--accent); transform: translateY(-3px); }

.form-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; }
.form-card h3 { font-size: 22px; color: var(--ink); margin-bottom: 22px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; font-size: 15px; font-family: inherit;
  border: 1.5px solid var(--line); border-radius: 10px; background: rgba(255,255,255,0.04);
  color: var(--ink); transition: var(--t);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.07); box-shadow: 0 0 0 4px rgba(209,25,32,0.12); }
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 13px; color: var(--text-soft); margin-top: 6px; }
.form-success { display: none; background: rgba(46,204,113,0.10); border: 1px solid rgba(46,204,113,0.3); color: #2ecc71; border-radius: 10px; padding: 14px 16px; margin-top: 16px; font-size: 14px; }
.form-success.show { display: block; }

/* CTA */
.cta {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #13171f 0%, #1a1f2a 100%);
  border: 1px solid var(--line);
  color: #fff; text-align: center; border-radius: var(--radius-lg);
  padding: 80px 40px;
}
.cta::before {
  content: ""; position: absolute; top: -50%; right: -10%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(209,25,32,0.22), transparent 70%);
}
.cta .container { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(28px, 4.2vw, 44px); font-weight: 800; }
.cta p { color: var(--text-soft); max-width: 580px; margin: 16px auto 32px; font-size: 17px; }
.cta .hero-actions { justify-content: center; }

/* 页脚 */
.site-footer { background: var(--bg-soft); color: var(--text-soft); padding: 64px 0 28px; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.foot-brand .brand { margin-bottom: 16px; }
.foot-brand p { font-size: 14px; max-width: 300px; }
.foot-col h5 { color: var(--ink); font-size: 15px; margin-bottom: 16px; }
.foot-col a { display: block; font-size: 14px; padding: 5px 0; color: var(--text-soft); }
.foot-col a:hover { color: var(--accent-soft); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; gap: 12px; }
.foot-bottom a { color: var(--text-soft); }
.foot-bottom a:hover { color: var(--ink); }

/* 返回顶部 */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 48px; height: 48px;
  border-radius: 50%; background: var(--accent); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: var(--t);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--accent-soft); transform: translateY(-3px); }

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* 响应式 */
@media (max-width: 980px) {
  .hero-grid, .split, .feature-row, .feature-row.rev .ftext, .contact-grid { grid-template-columns: 1fr; }
  .feature-row.rev .ftext { order: 0; }
  .grid-3, .gallery { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero__bg::after { background: linear-gradient(90deg, rgba(10,12,16,0.94) 0%, rgba(10,12,16,0.8) 100%); }
}
@media (max-width: 680px) {
  .section { padding: 76px 0; }
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 80px; left: 0; right: 0;
    background: var(--bg-card); padding: 16px 28px; gap: 4px;
    box-shadow: var(--shadow); border-top: 1px solid var(--line);
  }
  .nav-links.open a { color: var(--text); width: 100%; }
  .grid-3, .grid-2, .gallery, .mini-stats { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .field-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  .page-hero { min-height: 50vh; padding: 130px 0 80px; }
}

/* WhatsApp direct contact card */
.wa-card { max-width: 840px; margin: 0 auto; text-align: center; }
.wa-card__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 28px; background: #fff; }
.wa-card__media img { width: 100%; display: block; }