/* ============================================================
   WINVIET GROUP — 沉浸大片风双语官网
   深色电影感基调 + 品牌VI色点缀 + 全屏大画幅摄影
   品牌标准色(依据 VI):主蓝 #4960e5 / 浅青 #80e9ec / 红 #ff565b / 米黄 #f2d396
   ============================================================ */

/* ============================================================
   自托管字体(越南语优先,离线可用,部署后无需外部CDN)
   Be Vietnam Pro = 越南语国民无衬线字体;Noto Serif = 衬线(标题)
   ============================================================ */
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:300 400 500 600 700;
  src:url("../fonts/be-vietnam-pro-vietnamese-400.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:400;
  src:url("../fonts/be-vietnam-pro-latin-400.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:500;
  src:url("../fonts/be-vietnam-pro-latin-500.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:600;
  src:url("../fonts/be-vietnam-pro-latin-600.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:700;
  src:url("../fonts/be-vietnam-pro-latin-700.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:600;
  src:url("../fonts/be-vietnam-pro-vietnamese-600.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9;
}
@font-face {
  font-family:"Be Vietnam Pro"; font-weight:700;
  src:url("../fonts/be-vietnam-pro-vietnamese-700.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9;
}
@font-face {
  font-family:"Noto Serif"; font-weight:700;
  src:url("../fonts/noto-serif-vietnamese-700.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9;
}
@font-face {
  font-family:"Noto Serif"; font-weight:700;
  src:url("../fonts/noto-serif-latin-700.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* 配色 */
  --bg: #0d0e11;
  --bg-soft: #12141a;
  --surface: #171a21;
  --line: rgba(255,255,255,.08);
  --text: #f2eee6;
  --text-dim: rgba(242,238,230,.62);
  --muted: rgba(242,238,230,.42);
  /* VI 品牌标准色 */
  --brand-blue: #4960e5;      /* 主蓝 PANTONE 2726 C */
  --brand-cyan: #80e9ec;      /* 浅青 318 C */
  --brand-red: #ff565b;       /* 红 178 C */
  --brand-yellow: #f2d396;    /* 米黄 */
  --accent: var(--brand-red); /* 品牌强调色 = VI 红 */
  --accent-soft: rgba(255,86,91,.14);
  --gold: #c9a15a;
  /* 越南语优先;Be Vietnam Pro 覆盖越南语声调,再回退中文/系统字体 */
  --serif: "Noto Serif", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: "Be Vietnam Pro", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --nav-h: 72px;
  --radius: 4px;
  --maxw: 1200px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open { overflow:hidden; }
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }

/* ===== 通用 ===== */
.container { width:100%; max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.eyebrow {
  font-size:12px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--accent); font-weight:500; margin-bottom:14px;
}
.eyebrow.center { text-align:center; }
.section-title {
  font-family:var(--serif); font-weight:700; font-size:clamp(28px,4.2vw,46px);
  line-height:1.25; color:var(--text);
}
.section-title.center { text-align:center; }
.section { padding:88px 24px; }
.center { text-align:center; }
.muted { color:var(--muted); }
.section.dark-section { background:var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* ===== 按钮 ===== */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; font-size:15px; font-weight:500; letter-spacing:.02em;
  border-radius:var(--radius); transition:all .25s ease; white-space:nowrap;
}
.btn-accent { background:var(--accent); color:#fff; }
.btn-accent:hover { background:#ff6b6f; transform:translateY(-2px); box-shadow:0 12px 30px rgba(255,86,91,.3); }
.btn-ghost { border:1px solid rgba(255,255,255,.35); color:var(--text); backdrop-filter:blur(4px); }
.btn-ghost:hover { border-color:#fff; background:rgba(255,255,255,.08); }

/* ===== 顶部导航 ===== */
.site-header {
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:var(--nav-h);
  background:var(--bg);           /* 纯不透明深色,保证导航始终清晰 */
  box-shadow:0 1px 0 var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background:var(--bg);
  box-shadow:0 1px 0 var(--line), 0 6px 20px rgba(0,0,0,.35);
}
.nav-inner {
  max-width:var(--maxw); margin:0 auto; height:100%;
  display:flex; align-items:center; justify-content:space-between; padding:0 24px;
}
.brand { display:flex; align-items:center; gap:10px; }
.brand-logo {
  display:block; height:auto; max-width:200px;
  max-height:46px; width:auto;
  object-fit:contain; filter:drop-shadow(0 2px 8px rgba(0,0,0,.35));
}
.nav-links { display:flex; gap:34px; }
.nav-link { font-size:14px; letter-spacing:.06em; color:var(--text-dim); position:relative; transition:color .2s; }
.nav-link::after {
  content:""; position:absolute; left:0; bottom:-6px; height:1px; width:0;
  background:var(--accent); transition:width .25s ease;
}
.nav-link:hover, .nav-link.active { color:var(--text); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }
.nav-right { display:flex; align-items:center; gap:20px; }
.lang-switch { display:flex; align-items:center; gap:8px; }
.lang-btn { font-size:13px; letter-spacing:.04em; color:var(--muted); font-weight:500; padding:4px 2px; transition:color .2s; }
.lang-btn[aria-pressed="true"] { color:var(--text); }
.lang-btn:hover { color:var(--text); }
.lang-sep { color:var(--muted); }
.nav-cta { padding:10px 20px; font-size:13px; }
.nav-toggle { display:none; flex-direction:column; gap:5px; padding:6px; }
.nav-toggle span { width:22px; height:2px; background:var(--text); transition:.3s; }
.nav-toggle.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ===== 视图切换 ===== */
.view { display:none; }
.view.active { display:block; animation:fadeIn .5s ease; }
@keyframes fadeIn { from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:none;} }

/* ===== 首页 Hero ===== */
.hero {
  position:relative; min-height:100vh; display:flex; align-items:center;
  background-size:cover; background-position:center; 
}
.hero-scrim {
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(13,14,17,.55) 0%, rgba(13,14,17,.35) 45%, rgba(13,14,17,.92) 100%);
}
.hero-content { position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; padding:0 24px; width:100%; padding-top:var(--nav-h); }
.hero-title { font-family:var(--serif); font-weight:900; font-size:clamp(40px,6.4vw,76px); line-height:1.12; margin-bottom:24px; }
.hero-title span { display:block; }
.hero-title-acc { color:var(--accent); }
.hero-sub { max-width:620px; font-size:18px; color:var(--text-dim); margin-bottom:36px; }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }
.hero-scroll {
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%); z-index:2;
  width:24px; height:40px; border:1px solid rgba(255,255,255,.35); border-radius:12px;
}
.hero-scroll span { position:absolute; top:8px; left:50%; width:3px; height:8px; margin-left:-1.5px; background:#fff; border-radius:2px; animation:scrollDot 1.8s infinite; }
@keyframes scrollDot { 0%{opacity:0; transform:translateY(0);} 40%{opacity:1;} 100%{opacity:0; transform:translateY(14px);} }

/* ===== 数据条 ===== */
.stats-bar { background:var(--bg-soft); border-bottom:1px solid var(--line); }
.stats-inner { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:repeat(4,1fr); padding:48px 24px; }
.stat { text-align:center; position:relative; }
.stat + .stat::before { content:""; position:absolute; left:0; top:15%; height:70%; width:1px; background:var(--line); }
.stat-num { font-family:var(--serif); font-weight:700; font-size:clamp(34px,4.5vw,52px); color:var(--text); display:inline; }
.stat-plus { font-family:var(--serif); font-weight:700; font-size:clamp(22px,2.5vw,30px); color:var(--accent); }
.stat-label { margin-top:8px; font-size:13px; color:var(--muted); letter-spacing:.04em; }

/* ===== 双业务 ===== */
.section-head { max-width:760px; margin:0 auto 56px; }
.duo-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; max-width:var(--maxw); margin:0 auto; }
.duo-card {
  position:relative; border-radius:var(--radius); overflow:hidden;
  min-height:440px; display:flex; flex-direction:column; justify-content:flex-end;
  transition:transform .35s ease;
}
.duo-card:hover { transform:translateY(-6px); }
.duo-img { position:absolute; inset:0; background-size:cover; background-position:center; transition:transform .5s ease; }
.duo-card:hover .duo-img { transform:scale(1.06); }
.duo-card::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(13,14,17,.05) 0%, rgba(13,14,17,.85) 75%); }
.duo-body { position:relative; z-index:2; padding:34px 30px; }
.duo-body h3 { font-family:var(--serif); font-weight:700; font-size:clamp(22px,2.6vw,30px); margin-bottom:12px; }
.duo-body p { color:var(--text-dim); font-size:15px; margin-bottom:18px; max-width:440px; }
.duo-link { color:var(--accent); font-size:14px; font-weight:500; letter-spacing:.03em; }

/* ===== 定制游主题 ===== */
.theme-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; max-width:var(--maxw); margin:0 auto; }
.theme-card { position:relative; height:420px; border-radius:var(--radius); overflow:hidden; display:flex; align-items:flex-end; transition:transform .35s ease; }
.theme-card:hover { transform:translateY(-6px); }
.theme-img { position:absolute; inset:0; background-size:cover; background-position:center; transition:transform .5s ease; }
.theme-card:hover .theme-img { transform:scale(1.08); }
.theme-card::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(13,14,17,0) 30%, rgba(13,14,17,.9) 100%); }
.theme-meta { position:relative; z-index:2; padding:24px; }
.theme-meta span { font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--gold); display:block; margin-bottom:6px; }
.theme-meta h3 { font-family:var(--serif); font-weight:600; font-size:20px; }

/* ===== 为什么选择我们 ===== */
.why-section { background:var(--bg-soft); border-top:1px solid var(--line); }
.why-inner {
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:360px 1fr;
  grid-template-areas:"mascot head" "mascot grid";
  gap:24px 70px; align-items:start;
}
.why-mascot { grid-area:mascot; position:sticky; top:110px; }
.mascot-card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:26px 24px 22px; text-align:center;
  overflow:hidden; position:relative;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.mascot-img {
  width:220px; height:auto; margin:0 auto;
  display:block;
}
.mascot-caption { color:#4a4f5a; font-size:13px; letter-spacing:.04em; margin:18px 0 0; position:relative; z-index:1; }
.why-head { grid-area:head; }
.why-grid { grid-area:grid; display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.why-item { padding-top:20px; border-top:1px solid var(--line); }
.why-ic { font-family:var(--serif); font-size:15px; color:var(--accent); font-weight:700; margin-bottom:12px; }
.why-item h4 { font-family:var(--serif); font-size:18px; font-weight:600; margin-bottom:8px; }
.why-item p { color:var(--text-dim); font-size:14px; }
@media (max-width: 900px) {
  .why-inner { grid-template-columns:1fr; grid-template-areas:"mascot" "head" "grid"; gap:36px; }
  .why-mascot { position:static; }
  .mascot-img { width:160px; }
}

/* ===== CTA ===== */
.cta-band { position:relative; background-size:cover; background-position:center; padding:100px 24px; }
.cta-scrim { position:absolute; inset:0; background:rgba(13,14,17,.82); }
.cta-content { position:relative; z-index:2; max-width:640px; margin:0 auto; text-align:center; }
.cta-content h2 { font-family:var(--serif); font-weight:700; font-size:clamp(26px,4vw,42px); margin-bottom:16px; }
.cta-content p { color:var(--text-dim); margin-bottom:32px; font-size:16px; }

/* ===== 页面 Hero(内页) ===== */
.page-hero {
  position:relative; min-height:60vh; display:flex; align-items:flex-end;
  background-size:cover; background-position:center; padding-bottom:80px;
}
.page-scrim { position:absolute; inset:0; background:linear-gradient(180deg, rgba(13,14,17,.6) 0%, rgba(13,14,17,.45) 55%, rgba(13,14,17,.96) 100%); }
.page-hero-content { position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; padding:0 24px; width:100%; padding-top:var(--nav-h); }
.page-hero-content h1 { font-family:var(--serif); font-weight:700; font-size:clamp(32px,5vw,56px); line-height:1.2; margin-bottom:18px; }
.page-sub { max-width:640px; color:var(--text-dim); font-size:17px; }

/* ===== 翻译服务 ===== */
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; max-width:var(--maxw); margin:0 auto; }
.service-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:32px 26px; transition:transform .3s, border-color .3s; }
.service-card:hover { transform:translateY(-4px); border-color:rgba(255,86,91,.5); }
.sv-ic { font-family:var(--serif); font-size:15px; color:var(--accent); font-weight:700; margin-bottom:16px; }
.service-card h3 { font-family:var(--serif); font-size:19px; font-weight:600; margin-bottom:10px; }
.service-card p { color:var(--text-dim); font-size:14px; }

/* ===== 流程 ===== */
.process-row { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.process-step { text-align:center; padding:0 12px; position:relative; }
.process-step + .process-step::before {
  content:""; position:absolute; top:28px; left:-10px; right:calc(50% + 10px); height:1px; background:var(--line);
}
.p-num {
  width:56px; height:56px; margin:0 auto 20px; border:1px solid var(--accent); color:var(--accent);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-weight:700; font-size:20px;
}
.process-step h4 { font-family:var(--serif); font-weight:600; font-size:18px; margin-bottom:8px; }
.process-step p { color:var(--text-dim); font-size:14px; }

/* ===== 定制游列表 ===== */
.tour-list { max-width:var(--maxw); margin:0 auto; display:grid; gap:24px; }
.tour-item { display:grid; grid-template-columns:1.1fr 1fr; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .3s; }
.tour-item:hover { transform:translateY(-4px); }
.tour-img { min-height:320px; background-size:cover; background-position:center; }
.tour-body { padding:36px 34px; display:flex; flex-direction:column; justify-content:center; }
.tour-tag { display:inline-block; font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--gold); margin-bottom:14px; }
.tour-body h3 { font-family:var(--serif); font-size:clamp(20px,2.4vw,26px); font-weight:600; margin-bottom:14px; }
.tour-body p { color:var(--text-dim); font-size:15px; }

/* ===== 关于我们 ===== */
.about-section { background:var(--bg-soft); border-top:1px solid var(--line); }
.about-inner { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1.3fr 1fr; gap:64px; align-items:center; }
.about-text p { color:var(--text-dim); font-size:16px; margin-bottom:18px; }
.about-stats { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.about-stat { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:28px 24px; text-align:center; }
.about-stat .stat-num { display:block; font-size:clamp(30px,3.4vw,42px); }
.about-stat .stat-num span { color:var(--accent); }
.about-stat p { margin-top:8px; font-size:13px; color:var(--muted); }
.social-grid { max-width:var(--maxw); margin:40px auto 0; display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.social-chip { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:22px; text-align:center; transition:border-color .3s; color:inherit; text-decoration:none; display:block; }
.social-chip:hover { border-color:rgba(255,86,91,.5); }
.social-chip:hover { border-color:rgba(255,86,91,.5); }
.social-chip b { display:block; font-family:var(--serif); font-size:17px; margin-bottom:6px; }
.social-chip span { font-size:13px; color:var(--muted); }

/* ===== 出行服务(租车/租游艇) ===== */
.mobility-grid { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.mobility-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .3s, border-color .3s; display:flex; flex-direction:column; }
.mobility-card:hover { transform:translateY(-4px); border-color:rgba(255,86,91,.5); }
.mobility-img { min-height:200px; background-size:cover; background-position:center; }
.mobility-body { padding:26px 24px 30px; }
.mobility-body h3 { font-family:var(--serif); font-size:20px; font-weight:600; margin-bottom:12px; }
.mobility-body p { color:var(--text-dim); font-size:14px; line-height:1.6; }
.mobility-yacht { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1.1fr 1fr; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.mobility-yacht-img { min-height:360px; background-size:cover; background-position:center; }
.mobility-yacht-body { padding:46px 44px; display:flex; flex-direction:column; justify-content:center; }
.mobility-yacht-body p:not(.eyebrow) { color:var(--text-dim); font-size:15px; margin:18px 0 28px; }
.mobility-yacht-body .btn { align-self:flex-start; }

/* ===== 出行指南(海报合集) ===== */
.guide-group { max-width:var(--maxw); margin:0 auto 52px; }
.guide-group:last-of-type { margin-bottom:0; }
.guide-group-title { font-family:var(--serif); font-size:clamp(18px,2vw,22px); font-weight:600; margin-bottom:22px; color:var(--text); }
.guide-group-title::before { content:""; display:inline-block; width:14px; height:14px; margin-right:10px; background:var(--accent); border-radius:3px; vertical-align:middle; }
.guide-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.guide-card { position:relative; margin:0; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); background:var(--surface); cursor:pointer; aspect-ratio:3/4; min-height:320px; background-size:cover; background-position:center; transition:transform .3s, border-color .3s; }
.guide-card:hover { transform:translateY(-4px); border-color:rgba(255,86,91,.5); }
.guide-card figcaption { position:absolute; left:0; right:0; bottom:0; padding:14px 16px; font-size:13px; color:var(--text); background:linear-gradient(180deg, rgba(13,14,17,0) 0%, rgba(13,14,17,.9) 70%); }
.guide-hint { max-width:var(--maxw); margin:36px auto 0; text-align:center; color:var(--muted); font-size:13px; letter-spacing:.04em; }

/* 灯箱 */
.lightbox { position:fixed; inset:0; z-index:200; background:rgba(0,0,0,.92); display:none; align-items:center; justify-content:center; padding:32px; cursor:zoom-out; }
.lightbox.open { display:flex; }
.lightbox img { max-width:96%; max-height:92%; object-fit:contain; border-radius:6px; box-shadow:0 20px 60px rgba(0,0,0,.6); }
.lightbox .lb-close { position:absolute; top:20px; right:24px; width:46px; height:46px; border-radius:50%; background:rgba(255,255,255,.12); color:#fff; border:none; font-size:26px; line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center; }
.lightbox .lb-close:hover { background:rgba(255,86,91,.5); }

/* ===== 联系我们 ===== */
.contact-section { background:var(--bg-soft); border-top:1px solid var(--line); }
.contact-grid { max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1fr 1.1fr; gap:56px; }
.contact-info .info-row { padding:18px 0; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; gap:16px; }
.contact-info .info-row span:first-child { color:var(--muted); font-size:14px; }
.contact-info .info-val { color:var(--text); font-family:var(--serif); font-size:17px; font-weight:600; }
.contact-info .info-val a:hover { color:var(--accent); }
.contact-note { margin-top:24px; color:var(--muted); font-size:14px; }

/* ===== 表单 ===== */
.quote-form { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:38px 34px; }
.form-title { font-family:var(--serif); font-weight:700; font-size:24px; margin-bottom:26px; }
.form-row { margin-bottom:20px; }
.form-row label { display:block; font-size:13px; color:var(--muted); margin-bottom:8px; letter-spacing:.04em; }
.form-row input, .form-row select, .form-row textarea {
  width:100%; background:var(--bg); border:1px solid var(--line); border-radius:var(--radius);
  color:var(--text); padding:12px 14px; font-size:15px; font-family:var(--sans);
  transition:border-color .2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline:none; border-color:var(--accent); }
.form-row textarea { resize:vertical; min-height:110px; }
.form-submit { width:100%; margin-top:8px; }
.form-status { margin-top:16px; font-size:14px; text-align:center; min-height:20px; }
.form-status.success { color:#7fc29b; }
.form-status.error { color:var(--accent); }

/* ===== 页脚 ===== */
.site-footer { background:var(--bg); border-top:1px solid var(--line); padding:60px 24px 36px; }
.footer-inner { max-width:var(--maxw); margin:0 auto; text-align:center; }
.footer-brand { display:inline-flex; align-items:center; gap:10px; margin-bottom:18px; }
.footer-line { color:var(--muted); font-size:14px; margin-bottom:24px; }
.footer-nav { display:flex; justify-content:center; gap:28px; margin-bottom:26px; flex-wrap:wrap; }
.footer-nav a { font-size:13px; color:var(--text-dim); transition:color .2s; }
.footer-nav a:hover { color:var(--text); }
.footer-copy { color:var(--muted); font-size:12px; }

/* ===== 响应式 ===== */
/* 桌面(≥961px)：越南语长菜单压缩间距/logo/按钮，保证任何宽度单行不折行 */
@media (min-width:961px) {
  .nav-links { gap:22px; }
  .brand-logo { max-width:150px; }
  .nav-link { letter-spacing:.02em; white-space:nowrap; }
  .nav-right { gap:14px; }
  .nav-cta { padding:9px 15px; font-size:13px; }
}
/* 中窄桌面：进一步收紧，确保一行放得下 */
@media (min-width:961px) and (max-width:1240px) {
  .nav-links { gap:14px; }
  .brand-logo { max-width:130px; }
  .nav-link { font-size:13px; }
  .nav-cta { display:none; }  /* 中窄档隐藏按钮，菜单完整展示 */
  .nav-right { gap:10px; }
}
@media (max-width:960px) {
  .duo-grid, .about-inner, .contact-grid { grid-template-columns:1fr; gap:28px; }
  .theme-grid { grid-template-columns:1fr 1fr; }
  .why-inner { grid-template-columns:1fr; }
  .why-head { position:static; }
  .service-grid, .process-row { grid-template-columns:1fr 1fr; }
  .process-step + .process-step::before { display:none; }
  .tour-item { grid-template-columns:1fr; }
  .tour-img { min-height:260px; }
  .social-grid { grid-template-columns:1fr 1fr; }
  .mobility-grid { grid-template-columns:1fr 1fr; }
  .mobility-yacht { grid-template-columns:1fr; }
  .mobility-yacht-img { min-height:280px; }
  .mobility-yacht-body { padding:36px 28px; }
  .guide-grid { grid-template-columns:repeat(3,1fr); }
  .nav-links {
    position:fixed; top:var(--nav-h); right:0; bottom:0;
    flex-direction:column; gap:0; background:rgba(13,14,17,.97);
    width:min(320px,80vw); padding:24px; transform:translateX(100%);
    transition:transform .35s ease; backdrop-filter:blur(20px);
  }
  body.nav-open .nav-links { transform:translateX(0); }
  .nav-link { padding:16px 0; font-size:18px; border-bottom:1px solid var(--line); }
  .nav-link::after { display:none; }
  .nav-toggle { display:flex; }
  .nav-cta { display:none; }
}
@media (max-width:560px) {
  .stats-inner { grid-template-columns:1fr 1fr; gap:28px 0; }
  .stat:nth-child(3)::before { display:none; }
  .theme-grid { grid-template-columns:1fr; }
  .service-grid, .process-row, .why-grid, .about-stats, .social-grid { grid-template-columns:1fr; }
  .mobility-grid { grid-template-columns:1fr; }
  .guide-grid { grid-template-columns:1fr; gap:18px; }
  .guide-card { aspect-ratio:3/4; min-height:0; }
  .section { padding:64px 20px; }
  .hero-actions { flex-direction:column; }
  .hero-actions .btn { width:100%; }
  .duo-card { min-height:360px; }
  .contact-grid { gap:32px; }
  /* 手机端灯箱：竖版海报横向铺满宽度、垂直占满，避免“完整展示反而变小” */
  .lightbox { padding:12px; }
  .lightbox img { max-width:100%; max-height:98%; width:auto; height:auto; }
}
/* 中宽手机/平板窄档：双列但修复溢出（min-height 与 aspect-ratio 冲突会导致拉宽） */
@media (min-width:481px) and (max-width:700px) {
  .guide-grid { grid-template-columns:1fr 1fr; gap:16px; }
  .guide-card { aspect-ratio:3/4; min-height:0; }
}