/* 越南新娘相亲网 - 百变模板样式表 | 类名前缀: zbd28a */

:root {
  --zbd28aprimary: #c41e3a;
  --zbd28aprimary-dark: #9a1830;
  --zbd28asecondary: #1a5f4a;
  --zbd28aaccent: #d4a853;
  --zbd28atext: #2c2c2c;
  --zbd28atext-light: #5a5a5a;
  --zbd28abg: #faf8f5;
  --zbd28awhite: #ffffff;
  --zbd28aborder: #e8e4df;
  --zbd28ashadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --zbd28aradius: 12px;
  --zbd28amax-width: 1200px;
  --zbd28afont: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body.zbd28abody {
  font-family: var(--zbd28afont);
  color: var(--zbd28atext);
  background: var(--zbd28abg);
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

.zbd28acontainer {
  width: 100%;
  max-width: var(--zbd28amax-width);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

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

/* ========== 顶部栏 ========== */
.zbd28atopbar {
  background: var(--zbd28asecondary);
  color: var(--zbd28awhite);
  font-size: 0.85rem;
  padding: 8px 0;
}

.zbd28atopbar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.zbd28atopbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ========== 头部导航 ========== */
.zbd28aheader {
  background: var(--zbd28awhite);
  box-shadow: var(--zbd28ashadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.zbd28aheader-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px max(16px, env(safe-area-inset-right, 0px)) 12px max(16px, env(safe-area-inset-left, 0px));
  max-width: var(--zbd28amax-width);
  margin: 0 auto;
  width: 100%;
  min-width: 0;
}

.zbd28alogo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--zbd28atext);
  min-width: 0;
  flex-shrink: 1;
}

.zbd28alogo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--zbd28aprimary), var(--zbd28aaccent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zbd28awhite);
  font-weight: bold;
  font-size: 1.1rem;
}

.zbd28alogo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.zbd28alogo-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--zbd28aprimary);
  line-height: 1.3;
}

.zbd28alogo-sub {
  font-size: 0.75rem;
  color: var(--zbd28atext-light);
}

.zbd28anav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-shrink: 0;
  position: relative;
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
}

.zbd28anav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--zbd28aprimary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.zbd28anav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.zbd28anav-list {
  display: flex;
  list-style: none;
  gap: 4px;
}

.zbd28anav-link {
  display: block;
  padding: 10px 16px;
  color: var(--zbd28atext);
  text-decoration: none;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.zbd28anav-link:hover,
.zbd28anav-link.zbd28aactive {
  background: rgba(196, 30, 58, 0.1);
  color: var(--zbd28aprimary);
}

.zbd28abtn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--zbd28aprimary);
  color: var(--zbd28awhite);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-align: center;
}

.zbd28abtn:hover {
  background: var(--zbd28aprimary-dark);
  transform: translateY(-1px);
}

.zbd28abtn-outline {
  background: transparent;
  color: var(--zbd28aprimary);
  border: 2px solid var(--zbd28aprimary);
}

.zbd28abtn-outline:hover {
  background: var(--zbd28aprimary);
  color: var(--zbd28awhite);
}

.zbd28abtn-accent {
  background: var(--zbd28aaccent);
  color: var(--zbd28atext);
}

.zbd28abtn-accent:hover {
  background: #c49a3f;
}

/* ========== 主视觉区 ========== */
.zbd28ahero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a5f4a 0%, #2d8a6e 40%, #c41e3a 100%);
  overflow: hidden;
}

.zbd28ahero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.6;
}

.zbd28ahero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(40px, 6vw, 72px) max(16px, env(safe-area-inset-right, 0px)) clamp(40px, 6vw, 72px) max(16px, env(safe-area-inset-left, 0px));
  max-width: var(--zbd28amax-width);
  margin: 0 auto;
  width: 100%;
}

.zbd28ahero-content {
  color: var(--zbd28awhite);
}

.zbd28ahero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}

.zbd28ahero-title {
  font-size: clamp(1.65rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  word-break: break-word;
}

.zbd28ahero-title span {
  color: var(--zbd28aaccent);
}

.zbd28ahero-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  opacity: 0.95;
  margin-bottom: 28px;
  max-width: 520px;
}

.zbd28ahero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 横幅右侧主图 */
.zbd28ahero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
}

.zbd28ahero-figure {
  position: relative;
  margin: 0;
  padding: 0;
  border-radius: var(--zbd28aradius);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  border: 3px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.95);
  line-height: 0;
}

.zbd28ahero-image {
  display: block;
  width: 100%;
  aspect-ratio: 640 / 427;
  object-fit: cover;
  object-position: center top;
}

/* ========== 广告位 ========== */
.zbd28aad {
  text-align: center;
  padding: 12px 0;
  overflow: hidden;
}

.zbd28aad-top {
  background: var(--zbd28awhite);
  border-bottom: 1px solid var(--zbd28aborder);
}

.zbd28aad-footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #333;
}

/* ========== 友情链接 ========== */
.zbd28aflinks {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #333;
}

.zbd28aflinks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  margin-top: 12px;
}

.zbd28aflinks-list a {
  color: #aaa;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.zbd28aflinks-list a:hover {
  color: var(--zbd28aaccent);
}

.zbd28afooter-bottom a {
  color: var(--zbd28aaccent);
  text-decoration: none;
}

.zbd28afooter-bottom a:hover {
  text-decoration: underline;
}

/* ========== 关键词条 ========== */
.zbd28akeywords {
  background: var(--zbd28awhite);
  border-bottom: 1px solid var(--zbd28aborder);
  padding: 16px 0;
}

.zbd28akeywords-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
}

.zbd28akeyword-tag {
  font-size: 0.8rem;
  color: var(--zbd28atext-light);
  padding: 6px 14px;
  background: var(--zbd28abg);
  border-radius: 20px;
  border: 1px solid var(--zbd28aborder);
  line-height: 1.6;
  word-break: break-word;
}

/* ========== 通用区块 ========== */
.zbd28asection {
  padding: 72px 0;
}

.zbd28asection-alt {
  background: var(--zbd28awhite);
}

.zbd28asection-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.zbd28asection-label {
  display: inline-block;
  color: var(--zbd28aprimary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.zbd28asection-title {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--zbd28atext);
  margin-bottom: 12px;
  line-height: 1.3;
  word-break: break-word;
}

.zbd28asection-desc {
  color: var(--zbd28atext-light);
  font-size: 1rem;
}

/* ========== 服务特色 ========== */
.zbd28afeatures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.zbd28afeature-card {
  background: var(--zbd28awhite);
  border-radius: var(--zbd28aradius);
  padding: 32px 24px;
  box-shadow: var(--zbd28ashadow);
  border: 1px solid var(--zbd28aborder);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.zbd28afeature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.zbd28afeature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1), rgba(26, 95, 74, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.zbd28afeature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--zbd28asecondary);
}

.zbd28afeature-text {
  font-size: 0.9rem;
  color: var(--zbd28atext-light);
}

/* ========== 关于我们 ========== */
.zbd28aabout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.zbd28aabout-visual {
  position: relative;
  min-height: 360px;
  background: linear-gradient(160deg, var(--zbd28asecondary), var(--zbd28aprimary));
  border-radius: var(--zbd28aradius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.zbd28aabout-visual::after {
  content: "跨国婚恋";
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.15);
  letter-spacing: 8px;
}

.zbd28aabout-content h3 {
  font-size: 1.5rem;
  color: var(--zbd28aprimary);
  margin-bottom: 16px;
}

.zbd28aabout-content p {
  margin-bottom: 16px;
  color: var(--zbd28atext-light);
}

.zbd28aabout-list {
  list-style: none;
  margin: 20px 0;
}

.zbd28aabout-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--zbd28atext);
}

.zbd28aabout-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--zbd28asecondary);
  font-weight: bold;
}

/* ========== 服务流程 ========== */
.zbd28aprocess-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: zbd28astep;
}

.zbd28aprocess-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--zbd28abg);
  border-radius: var(--zbd28aradius);
  border: 1px solid var(--zbd28aborder);
  position: relative;
}

.zbd28aprocess-num {
  width: 48px;
  height: 48px;
  background: var(--zbd28aprimary);
  color: var(--zbd28awhite);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 16px;
}

.zbd28aprocess-title {
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 1rem;
}

.zbd28aprocess-text {
  font-size: 0.85rem;
  color: var(--zbd28atext-light);
}

/* ========== 服务项目 ========== */
.zbd28aservices-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.zbd28aservice-card {
  display: flex;
  gap: 20px;
  background: var(--zbd28awhite);
  padding: 28px;
  border-radius: var(--zbd28aradius);
  border: 1px solid var(--zbd28aborder);
  transition: border-color 0.2s;
}

.zbd28aservice-card:hover {
  border-color: var(--zbd28aprimary);
}

.zbd28aservice-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--zbd28asecondary);
  color: var(--zbd28awhite);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
}

.zbd28aservice-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.zbd28aservice-text {
  font-size: 0.9rem;
  color: var(--zbd28atext-light);
}

/* ========== 优势对比 ========== */
.zbd28aadvantages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.zbd28aadvantage-item {
  padding: 24px;
  background: linear-gradient(180deg, var(--zbd28awhite), var(--zbd28abg));
  border-radius: var(--zbd28aradius);
  border-left: 4px solid var(--zbd28aprimary);
}

.zbd28aadvantage-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--zbd28asecondary);
}

/* ========== 常见问题 ========== */
.zbd28afaq-list {
  max-width: 800px;
  margin: 0 auto;
}

.zbd28afaq-item {
  background: var(--zbd28awhite);
  border: 1px solid var(--zbd28aborder);
  border-radius: var(--zbd28aradius);
  margin-bottom: 12px;
  overflow: hidden;
}

.zbd28afaq-question {
  padding: 18px 24px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--zbd28abg);
}

.zbd28afaq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--zbd28aprimary);
  flex-shrink: 0;
}

.zbd28afaq-answer {
  padding: 0 24px 18px;
  color: var(--zbd28atext-light);
  font-size: 0.95rem;
}

/* ========== 页脚 ========== */
.zbd28afooter {
  background: #1a1a1a;
  color: #aaa;
  padding: 48px 0 24px;
}

.zbd28afooter-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.zbd28afooter-brand {
  color: var(--zbd28awhite);
}

.zbd28afooter-brand .zbd28alogo-title {
  color: var(--zbd28aaccent);
  margin-bottom: 12px;
}

.zbd28afooter-desc {
  font-size: 0.9rem;
  line-height: 1.8;
}

.zbd28afooter-title {
  color: var(--zbd28awhite);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.zbd28afooter-links {
  list-style: none;
}

.zbd28afooter-links li {
  margin-bottom: 8px;
}

.zbd28afooter-links a {
  color: #aaa;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.zbd28afooter-links a:hover {
  color: var(--zbd28aaccent);
}

.zbd28afooter-bottom {
  border-top: 1px solid #333;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

.zbd28afooter-keywords {
  margin-top: 12px;
  font-size: 0.75rem;
  color: #666;
  line-height: 1.8;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ========== 面包屑 ========== */
.zbd28abreadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--zbd28atext-light);
  background: var(--zbd28awhite);
  border-bottom: 1px solid var(--zbd28aborder);
}

.zbd28abreadcrumb a {
  color: var(--zbd28aprimary);
  text-decoration: none;
}

.zbd28abreadcrumb span {
  margin: 0 8px;
  color: var(--zbd28aborder);
}

/* ========== 文章摘要区 ========== */
.zbd28aarticle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.zbd28aarticle-card {
  background: var(--zbd28awhite);
  border-radius: var(--zbd28aradius);
  overflow: hidden;
  border: 1px solid var(--zbd28aborder);
  transition: box-shadow 0.3s;
}

.zbd28aarticle-card:hover {
  box-shadow: var(--zbd28ashadow);
}

.zbd28aarticle-thumb {
  height: 160px;
  background: linear-gradient(135deg, var(--zbd28asecondary), var(--zbd28aprimary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: 2.5rem;
}

.zbd28aarticle-body {
  padding: 20px;
}

.zbd28aarticle-meta {
  font-size: 0.8rem;
  color: var(--zbd28atext-light);
  margin-bottom: 8px;
}

.zbd28aarticle-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.zbd28aarticle-excerpt {
  font-size: 0.88rem;
  color: var(--zbd28atext-light);
}

/* ========== 移动端导航（纯CSS，无脚本） ========== */
.zbd28amenu-checkbox {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.zbd28anav-overlay {
  display: none;
}

#zbd28amenuCheck:checked ~ .zbd28anav-toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

#zbd28amenuCheck:checked ~ .zbd28anav-toggle span:nth-child(2) {
  opacity: 0;
}

#zbd28amenuCheck:checked ~ .zbd28anav-toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ========== 响应式 - 大屏 PC ========== */
@media (min-width: 1280px) {
  .zbd28ahero-visual {
    max-width: 560px;
  }

  .zbd28anav-link {
    padding: 10px 18px;
  }
}

/* ========== 响应式 - 中等 PC / 小笔记本 ========== */
@media (max-width: 1199px) and (min-width: 992px) {
  .zbd28anav-link {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .zbd28alogo-title {
    font-size: 1.1rem;
  }

  .zbd28afeatures-grid {
    gap: 20px;
  }
}

/* ========== 响应式 - 平板 ========== */
@media (max-width: 991px) {
  .zbd28anav-toggle {
    display: flex;
  }

  .zbd28anav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .zbd28anav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--zbd28awhite);
    flex-direction: column;
    align-items: stretch;
    padding: max(72px, env(safe-area-inset-top, 0px) + 56px) 20px max(24px, env(safe-area-inset-bottom, 0px));
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    transition: right 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  #zbd28amenuCheck:checked ~ .zbd28anav-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  #zbd28amenuCheck:checked ~ .zbd28anav {
    right: 0;
  }

  .zbd28anav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .zbd28anav-link {
    padding: 16px 12px;
    min-height: 48px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--zbd28aborder);
    font-size: 1rem;
  }

  .zbd28ahero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .zbd28ahero-content {
    order: 1;
  }

  .zbd28ahero-visual {
    order: 2;
    max-width: min(520px, 100%);
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }

  .zbd28ahero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .zbd28ahero-actions {
    justify-content: center;
  }

  .zbd28afeatures-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zbd28aprocess-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zbd28afooter-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zbd28aarticle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zbd28aabout-grid {
    grid-template-columns: 1fr;
  }

  .zbd28aabout-content {
    order: 1;
  }

  .zbd28aabout-visual {
    order: 2;
    min-height: 240px;
  }

}

@media (max-width: 1024px) {
  .zbd28ahero {
    min-height: auto;
  }

  .zbd28asection {
    padding: clamp(48px, 8vw, 72px) 0;
  }

  .zbd28asection-header {
    margin-bottom: clamp(32px, 5vw, 48px);
  }
}

/* ========== 响应式 - 手机 ========== */
@media (max-width: 767px) {
  .zbd28atopbar {
    font-size: 0.78rem;
    padding: 6px 0;
  }

  .zbd28atopbar-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 4px;
  }

  .zbd28alogo {
    min-width: 0;
    max-width: calc(100% - 52px);
  }

  .zbd28alogo-title {
    font-size: 1rem;
    line-height: 1.25;
  }

  .zbd28abreadcrumb {
    font-size: 0.8rem;
    padding: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .zbd28ahero-inner {
    padding-top: 32px;
    padding-bottom: 36px;
    gap: 28px;
  }

  .zbd28ahero-badge {
    font-size: 0.78rem;
    padding: 5px 12px;
  }

  .zbd28asection {
    padding: 40px 0;
  }

  .zbd28asection-header {
    margin-bottom: 28px;
    padding: 0 4px;
  }

  .zbd28afeatures-grid,
  .zbd28aadvantages,
  .zbd28aarticle-grid,
  .zbd28aservices-grid {
    grid-template-columns: 1fr;
  }

  .zbd28aprocess-grid {
    grid-template-columns: 1fr;
  }

  .zbd28afooter-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .zbd28afeature-card {
    padding: 24px 20px;
  }

  .zbd28aservice-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 20px;
  }

  .zbd28aabout-visual {
    min-height: 180px;
  }

  .zbd28aabout-visual::after {
    font-size: 2rem;
    letter-spacing: 4px;
  }

  .zbd28afaq-question {
    padding: 16px;
    font-size: 0.95rem;
    min-height: 48px;
  }

  .zbd28afaq-answer {
    padding: 0 16px 16px;
    font-size: 0.9rem;
  }

  .zbd28akeyword-tag {
    font-size: 0.72rem;
    padding: 3px 10px;
  }

  .zbd28akeywords {
    padding: 12px 0;
  }
}

/* ========== 响应式 - 小屏手机 ========== */
@media (max-width: 479px) {
  .zbd28alogo-sub {
    display: none;
  }

  .zbd28alogo-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .zbd28aheader-inner {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .zbd28ahero-actions {
    flex-direction: column;
    width: 100%;
  }

  .zbd28ahero-actions .zbd28abtn {
    width: 100%;
  }

  .zbd28abtn {
    padding: 14px 20px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .zbd28atopbar-item {
    font-size: 0.72rem;
  }

  .zbd28aarticle-thumb {
    height: 140px;
  }

  .zbd28afooter {
    padding: 36px 0 20px;
  }

  .zbd28afooter-bottom {
    font-size: 0.8rem;
    padding-left: 8px;
    padding-right: 8px;
  }
}

/* ========== 横屏手机优化 ========== */
@media (max-width: 991px) and (max-height: 500px) and (orientation: landscape) {
  .zbd28anav {
    padding-top: 56px;
    width: min(260px, 70vw);
  }

  .zbd28ahero-inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    gap: 20px;
    padding: 24px 16px;
  }

  .zbd28ahero-content {
    order: 0;
  }

  .zbd28ahero-visual {
    order: 0;
    max-width: 100%;
  }

  .zbd28ahero-desc {
    margin-left: 0;
    font-size: 0.85rem;
    margin-bottom: 12px;
  }

  .zbd28ahero-title {
    font-size: 1.25rem;
    margin-bottom: 8px;
  }

  .zbd28ahero-actions {
    justify-content: flex-start;
  }

  .zbd28ahero-actions .zbd28abtn {
    padding: 8px 16px;
    font-size: 0.85rem;
    width: auto;
    min-height: auto;
  }
}