:root {
  --green-deep: #0b3d2e;
  --green-main: #1f7a4d;
  --green-mid: #2f9e62;
  --green-light: #8fd6a7;
  --green-soft: #eaf7ef;
  --green-bg: #f5fbf7;
  --gold: #d8b25c;

  --text-dark: #172a22;
  --text-main: #2b4037;
  --text-soft: #64756d;
  --text-light: #ffffff;

  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.9);
  --line: rgba(31, 122, 77, 0.12);

  --shadow-sm: 0 10px 24px rgba(12, 72, 46, 0.08);
  --shadow-md: 0 18px 42px rgba(12, 72, 46, 0.12);
  --shadow-lg: 0 24px 70px rgba(7, 55, 37, 0.18);

  --radius-lg: 20px;
  --radius-xl: 30px;
  --container: min(1200px, calc(100% - 48px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Microsoft YaHei", sans-serif;
  color: var(--text-dark);
  background:
    radial-gradient(circle at top left, rgba(47, 158, 98, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(143, 214, 167, 0.16), transparent 24%),
    var(--green-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 122, 77, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 122, 77, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.5;
}

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 5.8rem 0;
  position: relative;
  overflow: hidden;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 2;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.38rem 0.9rem;
  border-radius: 999px;
  background: rgba(31, 122, 77, 0.08);
  color: var(--green-main);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.section-title h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(2rem, 3vw, 2.7rem);
  color: var(--green-deep);
  letter-spacing: 0.03em;
  line-height: 1.25;
}

.section-title h2::after {
  content: "";
  display: block;
  width: 88px;
  height: 3px;
  border-radius: 999px;
  margin: 1rem auto 0;
  background: linear-gradient(90deg, var(--green-main), var(--green-light));
}

.section-subtitle {
  max-width: 760px;
  margin: 1rem auto 0;
  color: var(--text-soft);
  font-size: 1rem;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 61, 46, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 26px rgba(7, 55, 37, 0.15);
}

.navbar-inner {
  width: var(--container);
  margin: 0 auto;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.logo-img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  padding: 8px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.logo-text {
  color: #fff;
  font-family: "Noto Serif SC", serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.18;
  white-space: nowrap;
}

.logo-subtext {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 4px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.96rem;
  font-weight: 700;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  position: relative;
  transition: 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

/* 首页大图 */
.hero {
  margin-top: 50px;
  position: relative;
  min-height: 690px;
  height: 82vh;
  overflow: hidden;
  background: var(--green-deep);
  border-bottom-left-radius: 34px;
  border-bottom-right-radius: 34px;
  box-shadow: var(--shadow-lg);
}

.hero-side-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 8% 48%, rgba(255, 255, 255, 0.1), transparent 25%),
    radial-gradient(circle at 93% 35%, rgba(255, 255, 255, 0.08), transparent 24%),
    linear-gradient(
      90deg,
      #0b3d2e 0%,
      #104c38 23%,
      #ffffff 23%,
      #ffffff 77%,
      #104c38 77%,
      #0b3d2e 100%
    );
}

/*
.hero-side-pattern::before {
  content: "";
  position: absolute;
  left: -120px;
  top: 140px;
  width: 410px;
  height: 410px;
  border-radius: 50%;
  border: 36px solid rgba(255, 255, 255, 0.08);
}

.hero-side-pattern::after {
  content: "";
  position: absolute;
  right: -90px;
  top: 70px;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
*/

/* 首页左右 Logo 水印 */
.hero-logo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.logo-pattern {
  position: absolute;
  width: 300px;
  height: 300px;
  opacity: 0.1;
}

.logo-pattern-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.logo-pattern-left {
  left: 58px;
  top: 50%;
  transform: translateY(-50%);
}

.logo-pattern-right {
  right: 58px;
  top: 50%;
  transform: translateY(-50%);
}

.hero-slider {
  position: relative;
  z-index: 1;
  height: 100%;
  width: min(1080px, calc(100% - 380px));
  margin: 0 auto;
  background: #fff;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.16),
    0 24px 60px rgba(0, 0, 0, 0.16);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.03);
  transition: opacity 1s ease, transform 6s ease, visibility 1s ease;
  background: #ffffff;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  z-index: 2;
}

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

.hero-video {
  background: #000;
}

.hero-slide.video-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 42, 30, 0.58), transparent 68%),
    linear-gradient(0deg, rgba(7, 42, 30, 0.6), transparent 55%);
}

.carousel-content {
  position: absolute;
  left: 7%;
  bottom: 12%;
  z-index: 5;
  max-width: 720px;
  color: #ffffff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0.52rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.15rem;
}

.carousel-title {
  font-family: "Noto Serif SC", "Microsoft YaHei", serif;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1.16;
  letter-spacing: 0.03em;
  text-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
  margin-bottom: 1rem;
}

.carousel-desc {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 1.9rem;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.hero-control {
  position: absolute;
  top: 50%;
  z-index: 6;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(11, 61, 46, 0.36);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: 0.25s ease;
}

.hero-control:hover {
  background: rgba(31, 122, 77, 0.7);
}

.hero-control.prev {
  left: 24px;
}

.hero-control.next {
  right: 24px;
}

.hero-dots {
  position: absolute;
  z-index: 6;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.65rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(11, 61, 46, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
}

.hero-dot {
  display: block;
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: 0.3s ease;
}

.hero-dot.active {
  width: 30px;
  background: #ffffff;
}

/* 各栏目 Logo 水印：水平居中，偏上 */
.section-logo-watermark {
  position: absolute;
  top: 3%;
  left: 50%;
  width: 250px;
  height: 250px;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.02;
}

.watermark-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1);
}

.news-section .container,
.research-section .container,
.platform-section .container {
  position: relative;
  z-index: 1;
}

/* 新闻动态 */
.news-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(245, 251, 247, 0.92));
}

.news-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.8rem;
  align-items: stretch;
}

.news-main {
  position: relative;
  min-height: 440px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-image: url("../Figure/news/Figure_1.jpg");
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-md);
}

.news-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(7, 42, 30, 0.86), rgba(7, 42, 30, 0.18) 58%),
    linear-gradient(90deg, rgba(7, 42, 30, 0.58), transparent 60%);
}

.news-main-content {
  position: absolute;
  left: 2rem;
  right: 2rem;
  bottom: 2rem;
  color: #fff;
  z-index: 2;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.76rem;
  font-weight: 800;
  margin-bottom: 0.95rem;
}

.news-main h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 1.85rem;
  line-height: 1.35;
  margin-bottom: 0.8rem;
}

.news-main p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-card {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
  transition: 0.25s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(31, 122, 77, 0.22);
}

.news-date {
  border-radius: 18px;
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  color: #fff;
  min-height: 82px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.news-day {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}

.news-month {
  font-size: 0.8rem;
  opacity: 0.88;
  margin-top: 0.35rem;
}

.news-card h4 {
  color: var(--green-deep);
  font-size: 1.05rem;
  line-height: 1.45;
  margin-bottom: 0.45rem;
}

.news-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* 研究方向 */
.research-section {
  background:
    radial-gradient(circle at top left, rgba(143, 214, 167, 0.16), transparent 22%),
    linear-gradient(180deg, #ffffff, #f5fbf7);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.research-card {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: 0.3s ease;
}

.research-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.research-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.research-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11, 61, 46, 0.48), transparent);
}

.research-card-logo {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 48px;
  height: 48px;
  padding: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  opacity: 0.78;
}

.card-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.research-content {
  padding: 1.65rem;
}

.research-number {
  color: var(--green-main);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.research-content h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 1.38rem;
  color: var(--green-deep);
  margin-bottom: 0.7rem;
}

.research-content p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.3rem;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--green-main);
  font-weight: 800;
  transition: 0.25s ease;
}

.link-more:hover {
  gap: 0.7rem;
  color: var(--green-deep);
}

/* 关于我们 */
.about-section {
  background:
    linear-gradient(135deg, rgba(11, 61, 46, 0.95), rgba(31, 122, 77, 0.9)),
    url("../Figure/fig2.jpg");
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}

.about-section::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.about-logo-decor {
  position: absolute;
  top: 100px;
  left: 350px;
  z-index: 1;
  width: 400px;
  height: 400px;
  pointer-events: none;
  opacity: 0.03;
}

.about-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.about-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.about-text .section-kicker {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.about-text h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(2rem, 3vw, 2.65rem);
  line-height: 1.3;
  margin-bottom: 1.15rem;
}

.about-text p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.95;
  margin-bottom: 1.2rem;
}

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

.stat-card {
  padding: 1.55rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.stat-number {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.stat-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  margin-top: 0.55rem;
}

/* 资源平台 */
.platform-section {
  position: relative;
  background:
    radial-gradient(circle at 85% 8%, rgba(143, 214, 167, 0.18), transparent 24%),
    linear-gradient(180deg, #f5fbf7 0%, #ffffff 100%);
  overflow: hidden;
}

.platform-section .container {
  position: relative;
  z-index: 1;
}

.platform-section .section-logo-watermark {
  position: absolute;
  top: 4%;
  left: 50%;
  width: 250px;
  height: 250px;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.018;
}

.platform-section .watermark-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.35rem;
  align-items: stretch;
}

.platform-card {
  position: relative;
  overflow: hidden;
  min-height: 335px;
  padding: 1.9rem 1.55rem 1.75rem;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 254, 251, 0.96));
  border: 1px solid rgba(31, 122, 77, 0.12);
  box-shadow: 0 16px 42px rgba(12, 72, 46, 0.08);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

/* 右上角柔和绿色背景 */
.platform-card::before {
  content: "";
  position: absolute;
  top: -82px;
  right: -82px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background:
    radial-gradient(
      circle,
      rgba(143, 214, 167, 0.26) 0%,
      rgba(31, 122, 77, 0.08) 58%,
      transparent 72%
    );
  z-index: 0;
  pointer-events: none;
}

/* 右上角淡 Logo */
.platform-card::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 5px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background:
    url("../Figure/logo_1.png") center / 52px 52px no-repeat,
    rgba(255, 255, 255, 0.36);
  border: 1px solid rgba(31, 122, 77, 0.08);
  box-shadow: none;
  opacity: 0.5;
  z-index: 1;
  pointer-events: none;
}

.platform-card:hover {
  transform: translateY(-6px);
  border-color: rgba(31, 122, 77, 0.22);
  box-shadow: 0 22px 52px rgba(12, 72, 46, 0.13);
}

.platform-card:hover::after {
  opacity: 0.36;
}

.platform-icon {
  position: relative;
  z-index: 2;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(31, 122, 77, 0.12), rgba(143, 214, 167, 0.22));
  color: var(--green-main);
  font-size: 1.42rem;
  margin-bottom: 1.45rem;
}

.platform-card h3 {
  position: relative;
  z-index: 2;
  color: var(--green-deep);
  font-family: "Noto Serif SC", serif;
  font-size: 1.24rem;
  line-height: 1.42;
  margin-bottom: 0.85rem;
}

.platform-card p {
  position: relative;
  z-index: 2;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.82;
  min-height: 92px;
  margin-bottom: 1.35rem;
}

.platform-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.74rem 1.08rem;
  border-radius: 999px;
  color: var(--green-main);
  background: rgba(31, 122, 77, 0.08);
  font-weight: 800;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    transform 0.25s ease;
}

.platform-btn:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  transform: translateX(2px);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.58rem;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  font-weight: 800;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  color: #fff;
  box-shadow: 0 12px 26px rgba(31, 122, 77, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(31, 122, 77, 0.3);
}

/* 页脚 */
footer {
  background: linear-gradient(180deg, #0b3d2e, #06261c);
  color: #fff;
  padding: 3.6rem 0 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(143, 214, 167, 0.15), transparent 28%);
}

.footer-content {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: 0 auto;
}

.footer-logo-wrapper {
  margin-bottom: 1.5rem;
}

.footer-logo {
  width: 150px;
  height: 150px;
  object-fit: contain;
  padding: 10px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 22px rgba(143, 214, 167, 0.22);
  margin: 0 auto;
}

.footer-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.55rem;
  margin-bottom: 0.8rem;
}

.footer-desc {
  max-width: 740px;
  margin: 0 auto 1.7rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.3rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.84);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  transition: 0.25s ease;
}

.footer-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* reveal 保持静态显示 */
.reveal,
.reveal.show {
  opacity: 1 !important;
  transform: none !important;
}

/* 响应式 */
@media (max-width: 1180px) {
  .hero-slider {
    width: min(1040px, calc(100% - 160px));
  }

  .logo-pattern {
    width: 110px;
    height: 110px;
    opacity: 0.09;
  }

  .logo-pattern-left {
    left: 25px;
  }

  .logo-pattern-right {
    right: 25px;
  }

  .section-logo-watermark {
    width: 210px;
    height: 210px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

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

@media (max-width: 992px) {
  .news-layout,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .hero-slider {
    width: calc(100% - 48px);
  }

  .hero-side-pattern {
    background: linear-gradient(90deg, #0b3d2e, #104c38);
  }
}

@media (max-width: 768px) {
  :root {
    --container: min(100% - 28px, 1200px);
  }

  .navbar-inner {
    min-height: 85px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    top: 84px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(7, 42, 30, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    text-align: center;
  }

  .hero {
    margin-top: 74px;
    height: 58vh;
    min-height: 360px;
    max-height: 520px;
  }

  .hero-slider {
    width: 100%;
    height: 100%;
    min-height: 360px;
  }

  .hero-logo-bg {
    display: none;
  }

  .section-logo-watermark {
    width: 160px;
    height: 160px;
    opacity: 0.025;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

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

  .carousel-content {
    left: 24px;
    right: 24px;
    bottom: 76px;
    max-width: none;
  }

  .carousel-title {
    font-size: 2rem;
    line-height: 1.25;
  }

  .carousel-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1rem;
  }

  .hero-badge {
    font-size: 0.68rem;
    padding: 0.42rem 0.75rem;
    margin-bottom: 0.8rem;
  }

  .hero-control {
    display: none;
  }

  .platform-grid,
  .about-stats {
    grid-template-columns: 1fr;
  }

  .platform-card {
    min-height: auto;
    padding: 1.55rem 1.35rem 1.6rem;
  }

  .platform-card p {
    min-height: auto;
  }

  .platform-card::after {
    top: 22px;
    right: 22px;
    width: 58px;
    height: 58px;
    background-size: 44px 44px;
    opacity: 0.22;
  }

  .news-card {
    grid-template-columns: 76px 1fr;
  }

  .research-card-logo {
    width: 40px;
    height: 40px;
    top: 10px;
    right: 10px;
  }

  .about-logo-decor {
    width: 150px;
    height: 150px;
    top: -25px;
    right: -35px;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 4.2rem 0;
  }

  .logo-text {
    font-size: 1.12rem;
  }

  .logo-subtext {
    display: none;
  }

  .logo-img {
    width: 48px;
    height: 48px;
  }

  .carousel-content {
    bottom: 64px;
  }

  .carousel-title {
    font-size: 1.65rem;
  }

  .carousel-desc {
    font-size: 0.88rem;
  }

  .news-main {
    min-height: 380px;
  }

  .news-main-content {
    left: 1.25rem;
    right: 1.25rem;
    bottom: 1.25rem;
  }

  .news-main h3 {
    font-size: 1.45rem;
  }
}