/* =========================================================
   绿水湾生态渔场 · 全站样式
   设计语言：池塘青绿（品牌主色）＋ 锦鲤橙红（强调色）
   中性底：暖纸白 / 浅水绿
   ========================================================= */

:root {
  /* 品牌色 */
  --brand: #0e6b5c;
  --brand-dark: #0a4f44;
  --brand-deep: #073d36;
  --brand-light: #2e8b7a;
  --brand-soft: #e8f2ef;
  --accent: #e8703a;
  --accent-dark: #c9551f;
  --accent-soft: #fdeee5;

  /* 中性色 */
  --ink: #1f2d2a;
  --ink-soft: #566560;
  --ink-faint: #7d8b86;
  --paper: #f7f4ee;
  --water: #eef4f1;
  --white: #ffffff;
  --line: #dde6e2;

  /* 字体 */
  --font-body: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* 尺寸 */
  --container: 1180px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 6px 24px rgba(15, 42, 36, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 42, 36, 0.14);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
}

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.section {
  padding: 84px 0;
}

.section--tint {
  background: var(--water);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--brand);
  color: #fff;
}

.btn:hover {
  background: var(--brand-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn--accent {
  background: var(--accent);
}

.btn--accent:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
}

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

.btn--outline {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}

.btn--outline:hover {
  background: var(--brand);
  color: #fff;
}

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
  transition: box-shadow 0.25s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 18px rgba(15, 42, 36, 0.08);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--brand), var(--brand-light));
  display: grid;
  place-items: center;
  color: #fff;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--brand-dark);
  letter-spacing: 1px;
}

.brand-name small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-faint);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.nav-links a:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav-links a.active {
  color: var(--brand);
  font-weight: 700;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta .btn {
  padding: 10px 22px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.25s ease;
}

body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero（首页主视觉） ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--brand-deep);
}

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

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(6, 42, 36, 0.82) 0%,
    rgba(6, 42, 36, 0.5) 45%,
    rgba(6, 42, 36, 0.12) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 120px 0;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cdeae2;
  font-size: 14px;
  letter-spacing: 2px;
  font-weight: 500;
  margin-bottom: 22px;
}

.hero-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  color: #fff;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.hero h1 .hl {
  color: #ffb088;
}

.hero p.lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 34px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-meta {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  background: rgba(6, 42, 36, 0.55);
  backdrop-filter: blur(6px);
}

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

.hero-stat {
  padding: 18px 20px;
  color: #fff;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-stat:first-child {
  border-left: 0;
}

.hero-stat b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: #ffd9c4;
}

.hero-stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 内页横幅 ---------- */
.page-hero {
  position: relative;
  padding: 92px 0 64px;
  background: var(--brand-deep);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(232, 112, 58, 0.25), transparent 60%),
    radial-gradient(500px 300px at 10% 90%, rgba(46, 139, 122, 0.4), transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: 2px;
}

.page-hero p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
}

.breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb i {
  font-style: normal;
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 节标题 ---------- */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* ---------- 服务卡片 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all 0.25s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- 鱼种卡片 ---------- */
.fish-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.fish-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.fish-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.fish-card .ph {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.fish-card .ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.fish-card:hover .ph img {
  transform: scale(1.05);
}

.fish-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.fish-body {
  padding: 20px 22px 22px;
}

.fish-body h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.fish-body p {
  font-size: 14px;
  color: var(--ink-soft);
}

.fish-meta {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-faint);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

/* ---------- 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-media--stack .split-media + .split-media {
  margin-top: 18px;
}

.split-body .eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
}

.split-body h2 {
  font-size: clamp(22px, 3vw, 30px);
  margin: 12px 0 16px;
  letter-spacing: 1px;
}

.split-body p {
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.check-list {
  margin: 16px 0 24px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: 15px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-soft);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 11px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(-45deg);
}

/* ---------- 数据条 ---------- */
.stats-band {
  background: var(--brand-deep);
  color: #fff;
  padding: 56px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat b {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: #ffd9c4;
  line-height: 1.2;
}

.stat b em {
  font-style: normal;
  font-size: 22px;
}

.stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

/* ---------- 新闻列表 ---------- */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.news-list-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 22px;
  transition: all 0.25s ease;
}

.news-list-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.news-list-item .th {
  overflow: hidden;
}

.news-list-item .th img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-list-item:hover .th img {
  transform: scale(1.05);
}

.news-list-item .bd {
  padding: 24px 26px 24px 0;
  display: flex;
  flex-direction: column;
}

.news-cat {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.news-list-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.news-list-item h3 a {
  color: var(--ink);
}

.news-list-item h3 a:hover {
  color: var(--brand);
}

.news-list-item p {
  font-size: 14px;
  color: var(--ink-soft);
  flex: 1;
}

.news-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-faint);
}

.news-foot .more {
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
}

.news-detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--ink-soft);
  display: none;
}

.news-list-item.open .news-detail {
  display: block;
}

/* 新闻分类筛选 */
.cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.cat-btn {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.cat-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.cat-btn.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* 侧栏 */
.sidebar .box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 22px;
}

.sidebar .box h3 {
  font-size: 16px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.sidebar .box h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 40px;
  height: 2px;
  background: var(--accent);
}

.hot-list li {
  display: flex;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

.hot-list li:last-child {
  border-bottom: 0;
}

.hot-list .no {
  font-size: 15px;
  font-weight: 800;
  color: var(--line);
  min-width: 24px;
  font-style: italic;
}

.hot-list li:nth-child(-n + 3) .no {
  color: var(--accent);
}

.hot-list a {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.hot-list a:hover {
  color: var(--brand);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags a {
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--water);
  border-radius: 999px;
  padding: 5px 14px;
  transition: all 0.2s;
}

.tags a:hover {
  background: var(--brand);
  color: #fff;
}

/* 分页 */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 36px;
}

.pagination a,
.pagination span {
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
}

.pagination a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.pagination .cur {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--line);
}

.tl-item {
  position: relative;
  padding: 0 0 40px 20px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--brand);
}

.tl-item .year {
  font-size: 15px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
}

.tl-item h4 {
  font-size: 17px;
  margin: 6px 0;
}

.tl-item p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------- 引用 / 评价 ---------- */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.quote-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  position: relative;
}

.quote-card::before {
  content: "“";
  position: absolute;
  top: 6px;
  left: 20px;
  font-size: 64px;
  line-height: 1;
  color: var(--brand-soft);
  font-family: Georgia, serif;
}

.quote-card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 18px 0 16px;
  position: relative;
}

.quote-card .who {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quote-card .av {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}

.quote-card .who b {
  display: block;
  font-size: 14px;
}

.quote-card .who span {
  font-size: 12px;
  color: var(--ink-faint);
}

/* ---------- CTA 条 ---------- */
.cta-band {
  background:
    linear-gradient(rgba(7, 61, 54, 0.88), rgba(7, 61, 54, 0.88)),
    url("../pic/scene-feeding.jpg") center / cover;
  color: #fff;
  text-align: center;
  padding: 76px 0;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  margin: 0 auto 30px;
}

.cta-band .btn {
  font-size: 16px;
  padding: 14px 34px;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: start;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 26px;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-card .ic {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
}

.info-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.info-card p,
.info-card a {
  font-size: 14px;
  color: var(--ink-soft);
  word-break: break-all;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
}

.contact-map img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.contact-map figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(7, 61, 54, 0.82);
  color: #fff;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
}

/* 表单 */
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
}

.form-card h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.form-card .sub {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group label i {
  color: var(--accent);
  font-style: normal;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(14, 107, 92, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-tip {
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 6px;
}

.form-msg {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
}

.form-msg.ok {
  display: block;
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.form-msg.err {
  display: block;
  background: var(--accent-soft);
  color: var(--accent-dark);
}

/* FAQ */
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 18px 22px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-q::after {
  content: "+";
  font-size: 20px;
  color: var(--brand);
  transition: transform 0.25s;
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  display: none;
  padding: 0 22px 18px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.faq-item.open .faq-a {
  display: block;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, 0.82);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
}

.footer-grid p,
.footer-grid li {
  font-size: 14px;
  line-height: 2;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid a:hover {
  color: #ffd9c4;
}

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.footer-about {
  margin-bottom: 14px;
}

.footer-contact li {
  padding-left: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 18px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 0;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 90;
}

.to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--brand-dark);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .news-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

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

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

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 20px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-140%);
    transition: transform 0.3s ease;
  }

  body.menu-open .nav-links {
    transform: translateY(0);
  }

  .nav-links a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--water);
  }

  .nav-toggle {
    display: block;
  }

  .nav-cta .btn {
    display: none;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .info-cards {
    grid-template-columns: 1fr 1fr;
  }

  .news-list-item {
    grid-template-columns: 1fr;
  }

  .news-list-item .th {
    aspect-ratio: 16 / 9;
  }

  .news-list-item .bd {
    padding: 0 22px 22px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 60px 0;
  }

  .service-grid,
  .fish-grid,
  .quote-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 520px;
  }

  .hero-inner {
    padding: 90px 0;
  }

  .hero-meta {
    position: static;
    background: var(--brand-deep);
  }

  .hero-meta .container {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px 16px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .container {
    width: calc(100% - 40px);
  }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .to-top,
  .cta-band {
    display: none;
  }
}

/* ---------- 动效克制处理 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}