:root {
  /* 🎨 根据图片提取的配色核心 */
  --navy: #43012a;           /* 主深色背景 */
  --navy-deep: #32011f;      /* 最深层底色 */
  --navy-soft: #5e1141;      /* 稍浅的深紫红（用于点缀或阴影） */
  
  --text: #d09900;           /* 主文字/图标金色 (图片中的核心金色) */
  --text-bright: #e8c248;    /* 高亮金色 (hover 或强调) */
  --muted: #b89633;          /* 辅助暗金色 (次要文字、线条) */
  
  /* 保留原有形状参数 */
  --bg: #1b0110;             /* 统一深色底，避免出现白色背景 */
  --bg-soft: #2b011a;        /* 轻微亮度的深色底 */
  --white: #ffffff;          /* 保留用于极少数白色字 */
  
  --shadow: 0 18px 45px rgba(26, 1, 16, 0.80);
  --shadow-hover: 0 26px 54px rgba(50, 1, 31, 0.90);
  
  --radius: 26px;
  --radius-sm: 18px;
  --container: 1180px;
  --header-h: 78px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--text);
  background: var(--navy-deep);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

section[id] {
  scroll-margin-top: 96px;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

/* ===== 头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(50, 1, 31, 0.92); /* 与深紫色背景融合 */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(208, 153, 0, 0.12);
}

.nav-wrap {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--navy-deep);
  border: 1px solid var(--text);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.40);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}

.brand-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.brand-text small {
  display: block;
  font-size: 11px;
  opacity: 0.75;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--text);
}

.site-nav a {
  position: relative;
  transition: color 0.25s;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--text-bright);
  transition: width 0.25s;
}

.site-nav a:hover {
  color: var(--text-bright);
}

.site-nav a:hover::after {
  width: 100%;
}

.brand img {
  height: 48px;
  width: auto;
  border-radius: 14px;
  object-fit: contain;
}

/* 语言切换 */
.lang-toggle {
  background: rgba(208, 153, 0, 0.08);
  border: 1px solid var(--text);
  border-radius: 40px;
  padding: 5px 12px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
  letter-spacing: 0.03em;
}

.lang-toggle:hover {
  background: rgba(208, 153, 0, 0.18);
  border-color: var(--text-bright);
  color: var(--text-bright);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 0;
  font-size: 28px;
  cursor: pointer;
  padding: 4px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--navy-deep);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  /* 移除了蓝色和白色光晕，更改为深色丝绸质感 */
  background:
    radial-gradient(circle at 72% 22%, rgba(208, 153, 0, 0.08), transparent 22%),
    radial-gradient(circle at 18% 78%, rgba(208, 153, 0, 0.06), transparent 26%),
    linear-gradient(135deg, #43012a 0%, #32011f 55%, #1b0110 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(208, 153, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(208, 153, 0, 0.04) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: 0.15;
  transform: skewY(-8deg) scale(1.4);
}

.hero-bg::before,
.hero-bg::after {
  content: "";
  position: absolute;
  border-radius: 34px;
  border: 1px solid rgba(208, 153, 0, 0.12);
  background: linear-gradient(135deg, rgba(208, 153, 0, 0.06), rgba(208, 153, 0, 0.02));
  transform: rotate(-10deg);
}

.hero-bg::before {
  width: 36vw;
  min-width: 320px;
  max-width: 520px;
  height: 120vh;
  left: -8vw;
  top: -12vh;
}

.hero-bg::after {
  width: 24vw;
  min-width: 220px;
  max-width: 360px;
  height: 75vh;
  right: 6vw;
  bottom: -10vh;
  transform: rotate(14deg);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(50, 1, 31, 0.88) 0%, rgba(67, 1, 42, 0.72) 40%, rgba(67, 1, 42, 0.28) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--text);
  padding: 84px 0 40px;
}

.hero-topline {
  font-size: 14px;
  letter-spacing: 0.06em;
  opacity: 0.78;
  margin-bottom: 28px;
  color: var(--muted);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 1px minmax(280px, 0.9fr);
  align-items: center;
  gap: 28px;
  width: min(980px, 100%);
  padding: 42px 42px;
  border-radius: 34px;
  background: rgba(50, 1, 31, 0.76);
  border: 1px solid rgba(208, 153, 0, 0.18);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.40);
}

.hero-title-cn {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1;
  font-weight: 800;
  margin-bottom: 12px;
}

.hero-title-en {
  font-size: clamp(24px, 3vw, 40px);
  letter-spacing: 0.05em;
  font-weight: 700;
}

.hero-divider {
  width: 1px;
  height: 148px;
  background: rgba(208, 153, 0, 0.28);
  justify-self: center;
}

.hero-copy {
  text-align: left;
}

.hero-copy p {
  margin: 0;
}

.hero-slogan-cn {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-slogan-sub {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-slogan-en {
  font-size: 18px;
  letter-spacing: 0.04em;
  opacity: 0.92;
  margin-bottom: 8px;
}

.hero-slogan-en.small {
  font-size: 16px;
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--text);
  color: var(--navy-deep);
  box-shadow: 0 12px 28px rgba(208, 153, 0, 0.18);
}

.btn-primary:hover {
  background: var(--text-bright);
}

.btn-secondary {
  color: var(--text);
  background: rgba(208, 153, 0, 0.05);
  border: 1px solid rgba(208, 153, 0, 0.32);
}

.btn-secondary:hover {
  background: rgba(208, 153, 0, 0.12);
  border-color: var(--text-bright);
}

/* ===== 封面区块 ===== */
.cover-section {
  position: relative;
  min-height: 62svh;
  display: grid;
  place-items: center;
  color: var(--text);
  background: var(--navy-deep);
  overflow: hidden;
}

.cover-art {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(208, 153, 0, 0.06) 0%, rgba(208, 153, 0, 0) 36%),
    linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art::before,
.cover-art::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(208, 153, 0, 0.16);
  background: linear-gradient(135deg, rgba(208, 153, 0, 0.12), rgba(208, 153, 0, 0.03));
  border-radius: 28px;
}

.cover-art::before {
  width: 32vw;
  min-width: 240px;
  height: 120%;
  left: -7vw;
  top: -10%;
  transform: rotate(11deg);
}

.cover-art::after {
  width: 26vw;
  min-width: 220px;
  height: 75%;
  right: 6vw;
  top: 14%;
  transform: rotate(-12deg);
}

.cover-art.alt {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art.third {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art.fourth {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art.fifth {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art.sixth {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-art.seventh {
  background: linear-gradient(160deg, #43012a 0%, #670b44 50%, #43012a 100%);
}

.cover-gradient {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.10);
}

.cover-content {
  position: relative;
  z-index: 2;
  padding: 96px 0;
  width: 100%;
}

.diamond-layout {
  display: flex;
  justify-content: center;
}

.diamond-panel {
  width: min(560px, 100%);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 64px 58px;
  background: rgba(50, 1, 31, 0.70);
  border: 2px solid var(--text);
  transform: rotate(45deg);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.40);
}

.diamond-panel>* {
  transform: rotate(-45deg);
}

.cover-kicker {
  font-size: clamp(34px, 5.2vw, 70px);
  line-height: 0.95;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.cover-content h2 {
  margin: 18px 0 0;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.08;
}

.cover-content p {
  margin: 16px 0 0;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.04em;
  font-weight: 700;
}

/* ===== 通用区块 ===== */
.section {
  padding: 88px 0;
}

.section-contents {
  background: linear-gradient(180deg, #1b0110 0%, #2b011a 100%);
}

.section-alt {
  background: var(--bg);
}

.section-head {
  margin-bottom: 34px;
}

.section-head.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-head.narrow p {
  max-width: 780px;
}

.eyebrow {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
}

h2 {
  margin: 10px 0 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.08;
  color: var(--text);
  font-weight: 800;
}

.section-head p,
.purpose-intro p,
.intro-section p,
.policy-copy p,
.vision-list p,
.process-roadmap p,
.contact-card p {
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}

.two-col.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

/* ===== 卡片网格 ===== */
.contents-grid,
.mission-grid,
.impact-grid,
.case-grid,
.advantage-grid,
.service-grid,
.benefit-cards,
.vision-list,
.purpose-list,
.process-roadmap,
.mini-grid {
  display: grid;
  gap: 20px;
}

.contents-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.contents-grid a,
.mission-grid article,
.vision-list article,
.service-grid article,
.advantage-grid article,
.process-roadmap article,
.case-grid article,
.impact-grid article,
.purpose-list article,
.benefit-cards article,
.stat-card,
.contact-people article,
.benefit-column,
.purpose-panel,
.vision-side-card {
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  background: rgba(50, 1, 31, 0.90);
  border: 1px solid rgba(208, 153, 0, 0.15);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
}

.contents-grid a:hover,
.mission-grid article:hover,
.vision-list article:hover,
.service-grid article:hover,
.advantage-grid article:hover,
.process-roadmap article:hover,
.case-grid article:hover,
.impact-grid article:hover,
.purpose-list article:hover,
.benefit-cards article:hover,
.stat-card:hover,
.contact-people article:hover,
.benefit-column:hover,
.purpose-panel:hover,
.vision-side-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--text);
}

.contents-grid a {
  padding: 26px 24px;
  min-height: 188px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contents-grid span {
  display: block;
  color: var(--text);
  font-size: 28px;
  line-height: 1;
  margin-bottom: 18px;
  font-weight: 800;
}

.contents-grid strong {
  display: block;
  font-size: 21px;
  line-height: 1.35;
}

.contents-grid small {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

/* ===== 图片占位 ===== */
.img-placeholder {
  background: rgba(50, 1, 31, 0.5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  border: 1px dashed var(--text);
  min-height: 160px;
  padding: 20px;
  text-align: center;
}

.img-placeholder.large {
  min-height: 260px;
}

.img-placeholder.wide {
  min-height: 200px;
}

/* ===== 其他组件 ===== */
.stat-card {
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}

.stat-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: var(--text);
}

.stat-card p {
  margin: 0;
  color: var(--muted);
}

.stat-card.large-card {
  min-height: 250px;
  padding: 34px 30px 30px;
}

.stat-card.large-card::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -42px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(208, 153, 0, 0.12) 0%, rgba(208, 153, 0, 0) 70%);
}

.stat-no {
  font-size: 72px;
  line-height: 1;
  font-weight: 800;
  color: rgba(208, 153, 0, 0.15);
  margin-bottom: 18px;
}

.glass {
  background: rgba(50, 1, 31, 0.80);
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mission-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mission-grid article,
.vision-list article,
.service-grid article,
.advantage-grid article,
.case-grid article,
.impact-grid article,
.purpose-list article,
.benefit-cards article {
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}

.mission-grid article::before,
.vision-list article::before,
.service-grid article::before,
.advantage-grid article::before,
.case-grid article::before,
.impact-grid article::before,
.purpose-list article::before,
.benefit-cards article::before,
.process-roadmap article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 5px;
  border-radius: 999px;
  background: var(--text);
}

.mission-grid h3,
.vision-list h3,
.service-grid h3,
.advantage-grid h3,
.process-roadmap h3,
.case-grid h3,
.impact-grid h3,
.purpose-list h3,
.benefit-cards h3,
.contact-people h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
  color: var(--text);
}

.mission-grid p,
.vision-list p,
.service-grid p,
.process-roadmap p,
.case-grid p,
.impact-grid p,
.purpose-list p,
.benefit-cards p,
.contact-people p,
.policy-list li,
.service-grid li {
  margin: 0;
  color: var(--muted);
}

.vision-side-card {
  background: linear-gradient(160deg, #32011f 0%, #5e1141 100%);
  color: var(--text);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 28px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(208, 153, 0, 0.25);
}

.vision-side-card::after {
  content: "";
  position: absolute;
  inset: auto -60px -70px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(208, 153, 0, 0.08), rgba(208, 153, 0, 0));
}

.vertical-word {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: 0.06em;
  opacity: 0.95;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.vision-tag {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(208, 153, 0, 0.08);
  border: 1px solid rgba(208, 153, 0, 0.25);
  font-weight: 700;
}

.vision-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.policy-panel {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  overflow: hidden;
  border-radius: 34px;
  background: rgba(50, 1, 31, 0.90);
  border: 1px solid rgba(208, 153, 0, 0.15);
  box-shadow: var(--shadow);
}

.policy-copy {
  padding: 56px 44px 52px;
}

.policy-copy h2 {
  margin: 0 0 18px;
  max-width: 560px;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.2;
  color: var(--text);
}

.policy-copy p {
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.9;
}

.policy-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 14px;
}

.policy-visual {
  position: relative;
  min-height: 420px;
  background: radial-gradient(circle at 70% 18%, rgba(208, 153, 0, 0.15), transparent 16%),
    linear-gradient(160deg, #32011f 0%, #43012a 100%);
  overflow: hidden;
}

.policy-visual::before,
.policy-visual::after {
  content: "";
  position: absolute;
  border-radius: 26px;
  border: 1px solid rgba(208, 153, 0, 0.16);
  background: linear-gradient(135deg, rgba(208, 153, 0, 0.12), rgba(208, 153, 0, 0.02));
}

.policy-visual::before {
  width: 34%;
  min-width: 150px;
  height: 62%;
  right: 12%;
  top: -4%;
  transform: rotate(10deg);
}

.policy-visual::after {
  width: 22%;
  min-width: 110px;
  height: 34%;
  left: 8%;
  bottom: 10%;
  transform: rotate(-12deg);
}

.policy-badge {
  position: absolute;
  left: 30px;
  top: 30px;
  z-index: 2;
  padding: 18px 16px;
  background: rgba(50, 1, 31, 0.80);
  border: 1px solid rgba(208, 153, 0, 0.25);
  border-radius: 18px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.06em;
  backdrop-filter: blur(10px);
}

.ship-shape {
  position: absolute;
  left: 50%;
  top: 54%;
  transform: translate(-50%, -50%) rotate(90deg);
  width: 330px;
  height: 110px;
  border-radius: 999px 999px 28px 28px;
  background: linear-gradient(180deg, #fffdfe 0%, #d8e8f8 100%);
  box-shadow: 0 20px 40px rgba(3, 9, 20, 0.22);
}

.ship-shape::before,
.ship-shape::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: inherit;
}

.ship-shape::before {
  background: linear-gradient(90deg, #2a75c5 0 14%, #f59f0b 14% 28%, #16a34a 28% 42%, #d946ef 42% 56%, #0ea5e9 56% 70%, #fb7185 70% 84%, #334155 84% 100%);
}

.ship-shape::after {
  inset: -80px auto auto 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 82px;
  border-radius: 999px;
  background: linear-gradient(180deg, #dbe7f5, #fff);
  box-shadow: 0 0 0 6px rgba(208, 153, 0, 0.12);
}

.trade-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.six-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.advantage-grid article {
  min-height: 230px;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-grid article {
  min-height: 230px;
}

.tag {
  display: inline-flex;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(208, 153, 0, 0.08);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
  border: 1px solid rgba(208, 153, 0, 0.2);
}

.impact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.purpose-panel {
  margin-top: 34px;
  padding: 30px;
  background: rgba(50, 1, 31, 0.90);
}

.purpose-intro {
  margin-bottom: 26px;
}

.purpose-intro p {
  margin-top: 14px;
}

.purpose-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.benefits-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: start;
}

.benefit-column {
  padding: 34px 28px 28px;
  background: rgba(50, 1, 31, 0.80);
  border: 1px solid rgba(208, 153, 0, 0.15);
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  position: relative;
}

.benefit-column::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -42px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(208, 153, 0, 0.12) 0%, rgba(208, 153, 0, 0) 70%);
}

.benefit-column h2 {
  margin-bottom: 24px;
}

.benefit-cards {
  gap: 16px;
}

.benefit-cards article {
  min-height: 148px;
}

.contact-section {
  background: linear-gradient(180deg, #32011f, #1b0110);
  color: var(--text);
}

.contact-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  padding: 34px;
  border: 1px solid rgba(208, 153, 0, 0.15);
  border-radius: 28px;
  background: rgba(50, 1, 31, 0.50);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.contact-card h2,
.contact-card h3 {
  color: var(--text);
}

.contact-card .eyebrow {
  color: var(--muted);
}

.contact-card p {
  color: var(--muted);
  margin: 0 0 8px;
}

.contact-people {
  display: grid;
  gap: 16px;
}

.contact-people article {
  padding: 20px;
  border-radius: 22px;
  background: rgba(50, 1, 31, 0.60);
  border: 1px solid rgba(208, 153, 0, 0.12);
}

.site-footer {
  background: #1b0110;
  color: var(--muted);
  padding: 18px 0;
  border-top: 1px solid rgba(208, 153, 0, 0.05);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-wrap p {
  margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1180px) {
  .contents-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .mission-grid,
  .six-grid,
  .case-grid,
  .impact-grid,
  .process-roadmap,
  .purpose-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .policy-panel {
    grid-template-columns: 1fr;
  }
  .policy-visual {
    min-height: 340px;
  }
  .hero-panel {
    width: min(900px, 100%);
  }
}

@media (max-width: 960px) {
  .menu-toggle {
    display: block;
  }
  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: var(--header-h);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px;
    background: rgba(26, 1, 16, 0.98);
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.60);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    border: 1px solid rgba(208, 153, 0, 0.1);
  }
  .site-nav.open {
    display: flex;
  }
  .site-nav a {
    width: 100%;
    padding: 11px 6px;
    border-bottom: 1px solid rgba(208, 153, 0, 0.08);
  }
  .site-nav a:last-child {
    border-bottom: 0;
  }
  .site-nav a::after {
    display: none;
  }
  .lang-toggle {
    margin-left: 0;
    margin-top: 8px;
  }
  .hero-panel {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }
  .hero-divider {
    width: 100%;
    height: 1px;
  }
  .hero-copy {
    text-align: center;
  }
  .diamond-panel {
    width: min(440px, 92vw);
    padding: 48px 36px;
  }
  .two-col,
  .two-col.reverse,
  .contact-card,
  .benefits-wrap {
    grid-template-columns: 1fr;
  }
  .vision-side-card {
    min-height: 280px;
  }
  .vertical-word {
    writing-mode: horizontal-tb;
  }
  .trade-grid,
  .vision-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(var(--container), calc(100% - 24px));
  }
  .hero {
    min-height: 92svh;
  }
  .hero-topline {
    font-size: 13px;
    margin-bottom: 20px;
  }
  .hero-panel {
    padding: 28px 24px;
    border-radius: 24px;
  }
  .hero-title-cn {
    font-size: clamp(34px, 10vw, 52px);
  }
  .hero-title-en {
    font-size: clamp(20px, 5vw, 28px);
  }
  .hero-slogan-cn {
    font-size: 22px;
  }
  .hero-slogan-sub {
    font-size: 18px;
  }
  .hero-slogan-en {
    font-size: 15px;
  }
  .hero-actions {
    margin-top: 22px;
  }
  .cover-section {
    min-height: 46svh;
  }
  .diamond-panel {
    width: min(320px, 84vw);
    padding: 34px 20px;
  }
  .section {
    padding: 72px 0;
  }
  .contents-grid,
  .mission-grid,
  .six-grid,
  .case-grid,
  .impact-grid,
  .process-roadmap,
  .purpose-list,
  .mini-grid {
    grid-template-columns: 1fr;
  }
  .contents-grid a {
    min-height: 154px;
  }
  .policy-copy {
    padding: 34px 20px 28px;
  }
  .policy-visual {
    min-height: 280px;
  }
  .ship-shape {
    width: 240px;
    height: 82px;
  }
  .contact-card {
    padding: 24px;
  }
}

@media (max-width: 520px) {
  .nav-wrap {
    gap: 14px;
  }
  .brand-mark {
    width: 42px;
    height: 42px;
    font-size: 22px;
  }
  .brand-text strong {
    font-size: 14px;
  }
  .brand-text small {
    font-size: 10px;
  }
  .hero-content {
    padding-top: 90px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .btn {
    width: 100%;
  }
  .diamond-panel {
    width: min(260px, 74vw);
    padding: 26px 12px;
  }
  .cover-content p {
    font-size: 16px;
  }
  .contents-grid strong {
    font-size: 18px;
  }
  .policy-badge {
    left: 18px;
    top: 18px;
    padding: 14px 12px;
    font-size: 12px;
  }
  .ship-shape {
    width: 200px;
    height: 68px;
  }
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}