/* =========================================================
   豪运国际官网 · 共享样式表 /assets/site.css
   母题：港口航海日志 × 数据面板
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body, h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --navy: #0B2A45;
  --navy-2: #16405F;
  --navy-deep: #071A2B;
  --gold: #C8A24A;
  --gold-bright: #E8C87A;
  --orange: #FF6B35;
  --mist: #F5F7FA;
  --sand: #FBF3E2;
  --ink: #2B333C;
  --sea: #3E7C8C;
  --coral: #D9453C;
  --paper: #FFFFFF;
  --muted: #6D7C8A;
  --line: rgba(11, 42, 69, 0.14);
  --line-gold: rgba(200, 162, 74, 0.42);

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Helvetica Neue", "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-editorial: Georgia, "Songti SC", "Noto Serif CJK SC", "SimSun", serif;
  --font-num: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --gutter: clamp(16px, 4vw, 44px);
  --shell-w: 1360px;
  --rail: 88px;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 24px;
  --shadow-1: 0 1px 0 rgba(11, 42, 69, 0.05), 0 12px 28px -18px rgba(7, 26, 43, 0.35);
  --shadow-2: 0 26px 60px -34px rgba(7, 26, 43, 0.55);
  --ease: cubic-bezier(0.22, 0.68, 0.36, 1);
  --head-h: 72px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--mist);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--navy);
}

h1 { font-size: clamp(38px, 7vw, 96px); line-height: 1.02; letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; }

p { max-width: 74ch; }
strong { font-weight: 700; color: var(--navy); }
small { font-size: 13px; }

::selection { background: var(--gold-bright); color: var(--navy-deep); }

:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell-w));
  margin-inline: auto;
}
.shell--narrow { --shell-w: 980px; }

.layout-berth {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 54px);
  align-items: start;
}

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.section__head { margin-bottom: clamp(24px, 3vw, 44px); }

.page-head {
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(20px, 3vw, 36px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sea);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex: 0 0 auto;
}

.lede {
  font-family: var(--font-editorial);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.9;
  color: #41505E;
  max-width: 62ch;
}

.note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--sea);
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}

.stat-num {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--line-gold);
}
.breadcrumb a:hover { color: var(--navy); }

/* ---------- 5. 泊位索引 ---------- */
.berth-rail {
  position: sticky;
  top: 104px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-block: 4px;
}

.berth-rail__label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sea);
  margin-bottom: 8px;
}

.berth-rail__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 8px 6px 10px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}
.berth-rail__link:hover { color: var(--navy); background: rgba(200, 162, 74, 0.12); }
.berth-rail__link[aria-current="true"] {
  color: var(--navy);
  font-weight: 600;
  border-left-color: var(--gold);
  background: rgba(200, 162, 74, 0.08);
}

.berth-rail__index {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 6. 按钮 / 标签 / 卡片 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); }

.btn--gold {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--navy-deep);
  box-shadow: 0 12px 26px -14px rgba(200, 162, 74, 0.9);
}
.btn--gold:hover { box-shadow: 0 16px 30px -14px rgba(200, 162, 74, 1); }

.btn--ghost {
  border-color: var(--line-gold);
  color: var(--navy);
  background: transparent;
}
.btn--ghost:hover { background: rgba(200, 162, 74, 0.1); }

.btn--solid {
  background: var(--navy);
  color: #FFFFFF;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-gold);
  background: rgba(200, 162, 74, 0.1);
  color: var(--navy-2);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.chip--signal {
  border-color: rgba(255, 107, 53, 0.45);
  background: rgba(255, 107, 53, 0.12);
  color: #B8431A;
}
.chip--alert {
  border-color: rgba(217, 69, 60, 0.4);
  background: rgba(217, 69, 60, 0.1);
  color: var(--coral);
}
.chip--ghost {
  border-color: var(--line);
  background: #FFFFFF;
  color: var(--sea);
}
.chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: clamp(18px, 2.2vw, 28px);
  box-shadow: var(--shadow-1);
}
.card--sand {
  background: var(--sand);
  border-color: rgba(200, 162, 74, 0.34);
}
.card--dark {
  background: var(--navy);
  border-color: rgba(200, 162, 74, 0.3);
  color: #D7E2EC;
  box-shadow: var(--shadow-2);
}
.card--dark h2, .card--dark h3 { color: #FFFFFF; }
.card--dark .note { color: var(--gold-bright); }

/* ---------- 7. 表格 / 时间轴 / 折叠 / 媒体 ---------- */
.table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: #FFFFFF;
}

.data-table { font-size: 16px; min-width: 520px; }
.data-table caption {
  text-align: left;
  padding: 16px 18px 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sea);
}
.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.data-table thead th {
  background: var(--navy);
  color: #E4EDF4;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.04em;
  border-bottom: 0;
  white-space: nowrap;
}
.data-table tbody tr:nth-child(even) { background: rgba(22, 64, 95, 0.06); }
.data-table tbody tr:last-child td { border-bottom: 0; }

.cell-num {
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.timeline {
  position: relative;
  padding-left: 26px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(200, 162, 74, 0));
}
.timeline__item {
  position: relative;
  padding-bottom: 26px;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--mist);
  border: 2px solid var(--gold);
}
.timeline__date {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sea);
}

.accordion {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: #FFFFFF;
  overflow: hidden;
}
.accordion__item + .accordion__item { border-top: 1px solid var(--line); }
.accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy);
  transition: background 0.25s var(--ease);
}
.accordion__trigger:hover { background: rgba(200, 162, 74, 0.08); }
.accordion__trigger::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  flex: 0 0 auto;
  transition: transform 0.3s var(--ease);
}
.accordion__trigger[aria-expanded="true"] { background: rgba(200, 162, 74, 0.12); }
.accordion__trigger[aria-expanded="true"]::after { transform: rotate(-135deg); }
.accordion__panel { padding: 0 20px 20px; color: #41505E; }
.accordion__panel[hidden] { display: none; }

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid rgba(200, 162, 74, 0.25);
  background: linear-gradient(140deg, var(--navy) 0%, var(--navy-2) 62%, #0E324B 100%);
  aspect-ratio: 16 / 9;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 200, 122, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 200, 122, 0.09) 1px, transparent 1px);
  background-size: 44px 44px;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* ---------- 8. 显现动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
[data-reveal="in"] {
  opacity: 1;
  transform: none;
}

/* ---------- 9. 页头 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -70px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  background: var(--gold-bright);
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 14px;
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 0; }

.site-head {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--navy);
  color: #DBE6EF;
  border-bottom: 1px solid rgba(200, 162, 74, 0.34);
}
.site-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 4px;
  width: min(340px, 46%);
  background: linear-gradient(90deg, var(--gold) 0 62%, var(--orange) 62% 100%);
}

.site-head__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 30px);
  width: min(100% - (var(--gutter) * 2), 1480px);
  margin-inline: auto;
  min-height: var(--head-h);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding-block: 10px;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 12px 12px 12px 3px;
  background: linear-gradient(140deg, var(--gold-bright), var(--gold));
  color: var(--navy-deep);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
}
.brand__text { display: block; }
.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: #FFFFFF;
}
.brand__region {
  display: block;
  margin-top: 2px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold-bright);
}

/* 检索入口 */
.site-search {
  margin-inline: auto;
  flex: 0 0 auto;
}
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(232, 200, 122, 0.35);
  color: #CFDCE6;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.search-trigger:hover {
  border-color: var(--gold-bright);
  color: #FFFFFF;
  background: rgba(232, 200, 122, 0.08);
}
.search-trigger[aria-expanded="true"] {
  border-color: var(--gold-bright);
  color: #FFFFFF;
  background: rgba(232, 200, 122, 0.14);
}
.search-trigger__glyph {
  position: relative;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border: 1.6px solid currentColor;
  border-radius: 50%;
}
.search-trigger__glyph::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 6px;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
  transform: rotate(45deg);
}

/* 导航 */
.nav { margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 22px);
}
.nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: #D6E1EA;
  transition: color 0.25s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover { color: #FFFFFF; }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--gold-bright); }
.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold-bright);
}

.head-cta {
  flex: 0 0 auto;
  padding: 9px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--navy-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.head-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -12px rgba(232, 200, 122, 0.9);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(232, 200, 122, 0.45);
  color: var(--gold-bright);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s;
}
.nav-toggle:hover { background: rgba(232, 200, 122, 0.1); border-color: var(--gold-bright); }
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease), opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 检索面板 */
.search-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #08202F;
  border-bottom: 1px solid rgba(200, 162, 74, 0.34);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.9);
}
.search-panel[hidden] { display: none; }
.search-panel__inner {
  width: min(100% - (var(--gutter) * 2), 1480px);
  margin-inline: auto;
  padding: 22px 0 26px;
}
.search-panel__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-bright);
}
.search-panel__input {
  width: 100%;
  max-width: 560px;
  padding: 12px 16px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(232, 200, 122, 0.4);
  background: rgba(255, 255, 255, 0.04);
  color: #EAF1F7;
  font-size: 15px;
  transition: border-color 0.25s, background 0.25s;
}
.search-panel__input::placeholder { color: #5F7386; }
.search-panel__input:focus { border-color: var(--gold-bright); background: rgba(255, 255, 255, 0.07); }

.search-panel__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.search-hit[hidden] { display: none; }
.search-hit__link {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.22s, background 0.22s, transform 0.22s var(--ease);
}
.search-hit__link:hover {
  border-color: rgba(232, 200, 122, 0.6);
  background: rgba(232, 200, 122, 0.08);
  transform: translateY(-2px);
}
.search-hit__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: #FFFFFF;
}
.search-hit__meta {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: #8FA3B5;
}
.search-panel__empty {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--orange);
}
.search-panel__empty[hidden] { display: none; }

/* ---------- 10. 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  background: var(--navy-deep);
  color: #B9C9D6;
}
.site-foot::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(200, 162, 74, 0) 72%);
}

.site-foot__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(26px, 3.4vw, 56px);
  width: min(100% - (var(--gutter) * 2), 1480px);
  margin-inline: auto;
  padding: clamp(44px, 6vw, 80px) 0 clamp(30px, 4vw, 48px);
}

.foot-brand {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.03em;
  color: #FFFFFF;
}
.foot-brand__line {
  margin-top: 12px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.9;
  color: #8FA3B5;
}
.foot-brand__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}
.foot-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--orange);
  animation: pulse 2.4s ease-in-out infinite;
}

.foot-col__title {
  margin-bottom: 16px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.foot-list { display: grid; gap: 10px; }
.foot-link {
  display: inline-block;
  font-size: 14px;
  color: #B9C9D6;
  transition: color 0.22s var(--ease), padding-left 0.22s var(--ease);
}
.foot-link:hover { color: var(--gold-bright); padding-left: 6px; }

.foot-contact { display: grid; gap: 12px; }
.foot-contact li {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
}
.foot-contact__key {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #7A8FA3;
}
.foot-contact__val {
  color: #D6E2EC;
  word-break: break-word;
}
.foot-contact__val--mono {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.foot-note {
  margin-top: 14px;
  max-width: 40ch;
  font-size: 12.5px;
  line-height: 1.8;
  color: #7A8FA3;
}

.site-foot__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 26px;
  width: min(100% - (var(--gutter) * 2), 1480px);
  margin-inline: auto;
  padding: 20px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.foot-legal {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: #7A8FA3;
}
.foot-icp { color: #9FB3C4; }
.foot-legal__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--gold-bright);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--navy-deep);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top__glyph { font-size: 15px; line-height: 1; }

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1180px) {
  .head-cta { display: none; }
}

@media (max-width: 980px) {
  :root { --head-h: 64px; }

  .site-head__inner { gap: 12px; }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    padding: 6px var(--gutter) 24px;
    background: var(--navy-deep);
    border-top: 1px solid rgba(200, 162, 74, 0.28);
    max-height: calc(100vh - var(--head-h));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
  }
  .nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
  .nav__item:first-child { border-top: 1px solid rgba(255, 255, 255, 0.08); }
  .nav__link { display: block; padding: 15px 2px; font-size: 17px; }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--gold-bright); }
  .nav__link[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 10px;
    border-radius: 50%;
    background: var(--orange);
    vertical-align: middle;
  }

  .nav-toggle { display: inline-flex; }
}

@media (max-width: 900px) {
  .layout-berth { grid-template-columns: minmax(0, 1fr); gap: 24px; }

  .berth-rail {
    position: static;
    flex-direction: row;
    gap: 8px;
    padding: 4px 0 14px;
    margin-bottom: 4px;
    overflow-x: auto;
    border-bottom: 1px solid var(--line);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .berth-rail::-webkit-scrollbar { display: none; }
  .berth-rail__label { display: none; }
  .berth-rail__link {
    flex: 0 0 auto;
    padding: 7px 13px;
    border-left: 0;
    border-radius: 999px;
    background: rgba(11, 42, 69, 0.06);
    color: var(--navy-2);
    white-space: nowrap;
  }
  .berth-rail__link[aria-current="true"] {
    background: var(--navy);
    color: #FFFFFF;
    border-left-color: transparent;
  }
  .berth-rail__index { color: inherit; opacity: 0.7; }
}

@media (max-width: 1040px) {
  .site-foot__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .search-trigger__label { display: none; }
  .search-trigger { padding: 9px 12px; }
  .site-search { margin-inline: auto; }
  .data-table { font-size: 15px; }
  .site-foot__base { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .site-foot__grid { grid-template-columns: minmax(0, 1fr); }
  .foot-contact li { grid-template-columns: 60px minmax(0, 1fr); }
  .to-top span:last-child { display: none; }
}

@media (max-width: 460px) {
  .brand__region { display: none; }
  .brand__name { font-size: 17px; }
}

/* ---------- 12. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .btn:hover, .head-cta:hover, .foot-link:hover { transform: none; }
}