/* ==========================================================================
   HKIEE 官网骨架原型 · 共享主题
   唯一 Token 来源；生产环境可自托管字体（本原型不引外部 CDN）
   ========================================================================== */

:root {
  color-scheme: light;

  /* 品牌绿 */
  --color-primary: #007a33;
  --color-primary-deep: #005524;
  --color-leaf: #4caf50;            /* 仅装饰：圆环、分隔、浅底标签；其上禁白字 */
  --color-tint: #e8f5e9;
  --color-tint-soft: #f3f9f4;
  --color-footer: #0b2e1c;

  /* 强调色（小面积） */
  --color-accent-blue: #0f7fbd;     /* 装饰、图表 */
  --color-accent-blue-text: #0b6ea6;/* 蓝作文字/实底时加深档（白字 ≥4.5:1） */
  --color-accent-gold: #f2a900;     /* 数字下划线、徽章、上扬曲线 */

  /* 中性 */
  --color-background: #f7f8f7;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-muted-text: #595959;
  --color-faint-text: #767676;
  --color-border: #e5e7e5;

  --color-focus: #0f7fbd;

  /* 字体 */
  --font-body: "Inter", "Noto Sans HK", "Noto Sans TC", -apple-system,
    BlinkMacSystemFont, "Segoe UI", "PingFang HK", "PingFang TC",
    "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Source Serif 4", "Noto Serif HK", "Noto Serif TC", Georgia,
    "Times New Roman", "Songti TC", "PMingLiU", serif;

  /* 圆角 / 间距 / 层级 */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --space-unit: 0.25rem;
  --content-width: 72rem;
  --shadow-card: 0 2px 8px rgba(0, 60, 30, 0.06);
  --shadow-card-hover: 0 6px 18px rgba(0, 85, 36, 0.12);
}

/* --------------------------------------------------------------------------
   基础
   -------------------------------------------------------------------------- */

* {
  box-sizing: border-box;
}

html {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 100%;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-surface);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-primary-deep);
  line-height: 1.35;
  margin: 0 0 0.75rem;
  font-weight: 600;
}

h1 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.25;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 1.875rem);
}

h3 {
  font-size: 1.25rem;
  line-height: 1.4;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-deep);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  left: 1rem;
  position: fixed;
  top: 1rem;
  transform: translateY(-200%);
  z-index: 100;
  background: var(--color-surface);
  color: var(--color-primary-deep);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   布局工具
   -------------------------------------------------------------------------- */

.container {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 4rem;
}

.section-alt {
  background: var(--color-tint-soft);
  padding-block: 4rem;
}

.section-head {
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

.section-head-center {
  margin-inline: auto;
  text-align: center;
}

.kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.kicker-gold {
  color: var(--color-accent-gold);
}

.lead {
  font-size: 1.0625rem;
  color: var(--color-muted-text);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.example-note {
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  background: var(--color-background);
  border-left: 3px solid var(--color-leaf);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.625rem 0.875rem;
  margin: 1.25rem 0 0;
}

.text-link {
  font-weight: 600;
}

.text-link::after {
  content: " →";
}

.section-more {
  text-align: center;
  margin: 2.5rem 0 0;
}

.reg-table caption {
  caption-side: bottom;
  text-align: left;
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  padding: 0.75rem 1.25rem;
}

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease,
    color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-deep);
  color: #ffffff;
  box-shadow: var(--shadow-card-hover);
}

.btn-light {
  background: #ffffff;
  color: var(--color-primary-deep);
}

.btn-light:hover {
  background: var(--color-tint);
  color: var(--color-primary-deep);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.75);
  color: #ffffff;
  background: transparent;
}

.btn-ghost:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary-deep);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-tint);
  color: var(--color-primary-deep);
}

/* --------------------------------------------------------------------------
   页头与导航
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  width: auto;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--color-primary-deep);
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-faint-text);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav-list a:hover {
  background: var(--color-tint);
  color: var(--color-primary-deep);
  text-decoration: none;
}

.nav-list a[aria-current="page"] {
  color: var(--color-primary-deep);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--color-primary);
}

.lang-switch {
  margin-left: 0.75rem;
  padding: 0.35rem 1rem;
  border: 1.5px solid var(--color-primary);
  border-radius: 999px;
  color: var(--color-primary-deep);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
}

.lang-switch:hover {
  background: var(--color-tint);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bars span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary-deep);
}

/* --------------------------------------------------------------------------
   Hero（首页）
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  background: var(--color-footer);
  color: #ffffff;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 46, 28, 0.32) 0%, rgba(11, 46, 28, 0.2) 45%, rgba(11, 46, 28, 0.62) 100%),
    linear-gradient(76deg, rgba(0, 85, 36, 0.94) 0%, rgba(0, 85, 36, 0.78) 34%, rgba(0, 85, 36, 0.32) 66%, rgba(0, 85, 36, 0.06) 100%);
}

.hero-inner {
  position: relative;
  min-height: 34rem;
  display: flex;
  align-items: center;
  padding-block: 4.5rem;
}

.hero-content {
  max-width: 40rem;
  color: #ffffff;
}

.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}

.hero-title {
  color: #ffffff;
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.hero-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-curve {
  position: absolute;
  right: 3%;
  bottom: 8%;
  width: min(26rem, 42vw);
  height: auto;
}

.hero-curve path {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: hero-draw 1.8s ease-out 0.3s forwards;
}

@keyframes hero-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* --------------------------------------------------------------------------
   内页横幅与面包屑
   -------------------------------------------------------------------------- */

.page-banner {
  position: relative;
  background: linear-gradient(135deg, var(--color-tint) 0%, var(--color-tint-soft) 55%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -6rem;
  right: -4rem;
  width: 18rem;
  height: 18rem;
  border: 2px solid rgba(76, 175, 80, 0.25);
  border-radius: 50%;
}

.page-banner::after {
  content: "";
  position: absolute;
  top: -3rem;
  right: 2rem;
  width: 9rem;
  height: 9rem;
  border: 2px solid rgba(15, 127, 189, 0.18);
  border-radius: 50%;
}

.page-banner-inner {
  position: relative;
  padding-block: 3rem 2.5rem;
}

.breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--color-muted-text);
}

.breadcrumb a:hover {
  color: var(--color-primary-deep);
}

.breadcrumb span[aria-current="page"] {
  color: var(--color-primary-deep);
  font-weight: 600;
}

.page-banner .kicker {
  margin-bottom: 0.375rem;
}

.page-intro {
  max-width: 44rem;
  color: var(--color-muted-text);
  margin: 0;
}

/* --------------------------------------------------------------------------
   使命与数字
   -------------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 4vw, 3rem);
  color: var(--color-primary-deep);
  line-height: 1.15;
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.stat-bar {
  width: 3rem;
  height: 4px;
  border-radius: 4px;
  background: var(--color-accent-gold);
  margin: 0.625rem auto;
}

.stat-label {
  color: var(--color-muted-text);
  font-size: 0.9375rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   卡片（核心领域 / 研究 / 案例）
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s ease, background-color 0.2s ease,
    transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
  background: var(--color-tint-soft);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.card h3 {
  margin: 0;
}

.card p {
  color: var(--color-muted-text);
  font-size: 0.9375rem;
  margin: 0;
}

.card-icon {
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 50%;
  background: var(--color-tint);
  border: 2px solid rgba(76, 175, 80, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card-index {
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--color-leaf);
  color: var(--color-primary-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.card-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--color-muted-text);
  font-size: 0.9375rem;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 2px solid var(--color-leaf);
  background: transparent;
}

.card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

/* --------------------------------------------------------------------------
   新闻
   -------------------------------------------------------------------------- */

.tag {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: var(--color-tint);
  color: var(--color-primary-deep);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.tag-muted {
  background: var(--color-background);
  color: var(--color-muted-text);
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.news-card .news-date {
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  font-variant-numeric: tabular-nums;
}

.news-card h3 {
  font-size: 1.0625rem;
}

.news-card h3 a {
  color: var(--color-primary-deep);
}

.news-card p {
  font-size: 0.9375rem;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1.5rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem 1.75rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.news-item:hover {
  border-color: var(--color-primary);
  background: var(--color-tint-soft);
}

.news-datebox {
  text-align: center;
  background: var(--color-tint-soft);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.5rem;
  align-self: flex-start;
  min-width: 6.5rem;
}

.news-datebox .day {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.625rem;
  color: var(--color-primary-deep);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.news-datebox .rest {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  letter-spacing: 0.05em;
}

.news-item h2 {
  font-size: 1.25rem;
  margin: 0.25rem 0 0.375rem;
}

.news-item h2 a {
  color: var(--color-primary-deep);
}

.news-item p {
  color: var(--color-muted-text);
  font-size: 0.9375rem;
  margin: 0 0 0.5rem;
}

/* 新闻详情 */

.article {
  max-width: 48rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-faint-text);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.article-body p {
  font-size: 1.0625rem;
}

.back-link::before {
  content: "← ";
}

/* --------------------------------------------------------------------------
   伙伴墙
   -------------------------------------------------------------------------- */

.partner-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.partner-tile {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-muted-text);
  font-weight: 600;
  font-size: 0.9375rem;
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease, transform 0.2s ease;
}

.partner-tile:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-deep);
  background: var(--color-tint-soft);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   团队
   -------------------------------------------------------------------------- */

.team-card {
  align-items: center;
  text-align: center;
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 3px #ffffff, 0 0 0 5px var(--color-leaf);
}

.team-card .role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.875rem;
  margin: 0;
}

.team-card .bio {
  font-size: 0.875rem;
}

.org-chart-wrap {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem;
}

.org-chart-wrap svg {
  display: block;
  width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   表单与联络
   -------------------------------------------------------------------------- */

.form-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.field .req {
  color: var(--color-accent-gold);
  font-weight: 700;
}

.field input,
.field textarea {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.875rem;
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--color-leaf);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-note {
  grid-column: 1 / -1;
  background: var(--color-tint-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: var(--color-muted-text);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.form-status {
  font-weight: 600;
  color: var(--color-primary-deep);
  background: var(--color-tint);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.info-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
}

.info-card h3 {
  font-size: 1.0625rem;
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-list li {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-muted-text);
}

.info-list .info-term {
  flex: none;
  width: 4.5rem;
  font-weight: 600;
  color: var(--color-primary-deep);
}

/* 注册信息表 */

.reg-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  font-size: 0.9375rem;
}

.reg-table th,
.reg-table td {
  text-align: left;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.reg-table th {
  background: var(--color-tint-soft);
  color: var(--color-primary-deep);
  font-weight: 600;
  white-space: nowrap;
  width: 12rem;
}

.reg-table tr:last-child th,
.reg-table tr:last-child td {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   CTA 区与页脚
   -------------------------------------------------------------------------- */

.cta-band {
  background:
    radial-gradient(60rem 24rem at 85% -20%, rgba(15, 127, 189, 0.22), transparent 60%),
    var(--color-footer);
  color: #ffffff;
  padding-block: 4.5rem;
}

.cta-inner {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
}

.cta-inner .kicker {
  color: var(--color-accent-gold);
}

.cta-inner h2 {
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.site-footer {
  background: var(--color-footer);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 2.5rem;
  padding-block: 3.5rem 2.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.footer-name {
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.footer-name-en {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 0.75rem;
}

.footer-reg {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin: 0 0 1rem;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-list a:hover {
  color: #ffffff;
}

.footer-address {
  font-style: normal;
  margin: 0;
  padding: 0;
}

.footer-address p {
  margin: 0 0 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1.25rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
}

.footer-bottom-inner p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   语言选择入口页
   -------------------------------------------------------------------------- */

.gate {
  position: relative;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: var(--color-footer);
  overflow: hidden;
}

.gate-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gate-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 46, 28, 0.35), rgba(11, 46, 28, 0.72)),
    linear-gradient(76deg, rgba(0, 85, 36, 0.6), rgba(0, 85, 36, 0.15));
}

.gate-card {
  position: relative;
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 40, 20, 0.35);
  padding: 3rem 2.5rem;
  max-width: 36rem;
  width: 100%;
  text-align: center;
}

.gate-logo {
  height: 72px;
  width: auto;
  margin: 0 auto 1.25rem;
  display: block;
}

.gate-name {
  margin-bottom: 0.5rem;
}

.gate-name-en {
  color: var(--color-muted-text);
  font-size: 0.9375rem;
  margin-bottom: 1.75rem;
  text-wrap: balance;
}

.gate-lang {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.gate-lang .btn {
  padding: 0.9rem 1rem;
}

.gate-note {
  font-size: 0.8125rem;
  color: var(--color-faint-text);
  margin: 0;
}

/* --------------------------------------------------------------------------
   响应式 · 平板（≤1024px）
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .section,
  .section-alt {
    padding-block: 3rem;
  }

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

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 24px rgba(0, 60, 30, 0.1);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.25rem;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.75rem 0.5rem;
    border-radius: var(--radius-sm);
  }

  .nav-list a[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--color-primary);
  }

  .lang-switch {
    margin: 0.5rem 0 0;
    display: inline-block;
    text-align: center;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner-wall {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .hero-inner {
    min-height: 28rem;
    padding-block: 3.5rem;
  }
}

/* --------------------------------------------------------------------------
   响应式 · 手机（≤640px）
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .container {
    padding-inline: 1.125rem;
  }

  .section,
  .section-alt {
    padding-block: 2.5rem;
  }

  .brand-text {
    display: none;
  }

  .brand-logo {
    height: 40px;
  }

  .gate-name {
    font-size: 1.4rem;
  }

  .hero-inner {
    min-height: 24rem;
    padding-block: 3rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-cta .btn,
  .cta-actions .btn,
  .section-more .btn {
    width: 100%;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .partner-wall,
  .form-grid,
  .gate-lang {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .news-datebox {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    text-align: left;
    padding: 0.5rem 0.875rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-bottom-inner {
    flex-direction: column;
  }

  .form-card {
    padding: 1.5rem 1.25rem;
  }

  .org-chart-wrap {
    padding: 1.25rem 0.875rem;
  }

  .reg-table th,
  .reg-table td {
    display: block;
    width: auto;
  }

  .reg-table thead {
    display: none;
  }

  .reg-table th {
    background: var(--color-tint-soft);
    border-bottom: none;
    padding-bottom: 0;
  }

  .gate-card {
    padding: 2.25rem 1.5rem;
  }

  .cta-band {
    padding-block: 3rem;
  }
}

/* ---- v0.3 迭代新增：頁腳圖注 / 返回頂部 ---- */
.footer-credit {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.66);
  margin-top: 1.25rem;
}

.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(0, 60, 30, 0.28);
  z-index: 60;
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--color-primary-deep);
  color: #ffffff;
}

@media (max-width: 640px) {
  .to-top {
    right: 1rem;
    bottom: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }
}


/* 排版辅助：中文词组不拆行（标题受控断行用） */
.keep {
  white-space: nowrap;
}