/* ===== 全局基础 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
    background: #f5f5f7;
    min-height: 100vh;
    color: #2c2c2e;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* 主容器 */
.main-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    position: relative;
    z-index: 1;
    overflow-anchor: none; /* 防止滚动跳动 */
}

/* ===== 页头（.sh） ===== */
.sh {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky; top: 0; z-index: 10;
}
.sh .logo {
    font-size: 1.3rem;
    font-weight: bold;
    color: #1d1d1f;
    text-decoration: none;
}
.sh nav a {
    color: #555;
    text-decoration: none;
    font-weight: 500;
    margin-left: 1.5rem;
    transition: color 0.2s;
}
.sh nav a:hover { color: #000; }

/* ===== 页脚（.sf） ===== */
.sf {
    text-align: center;
    padding: 2rem;
    color: #999;
    font-size: 0.9rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.5);
}

/* ===== 面包屑（.bc） ===== */
.bc {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1.5rem;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem;
}
.bc a {
    text-decoration: none;
    color: #555;
    transition: color 0.2s;
}
.bc a:hover {
    color: #1d1d1f;
    text-decoration: underline;
}
.bc span {
    color: #333;
    font-weight: 500;
}

/* ===== Single 卡片（.sc） ===== */
.sc {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    margin-bottom: 1.8rem;
}


/* Single 图片卡片 */
.sc-img-card {
    padding: 0;
    overflow: hidden;
}
.sc-img-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.rimg {
    width: 100%;
    height: auto;
    max-height: 400px;
    display: block;
    object-fit: cover;
}

/* ===== List 卡片（.lc） ===== */
.lc {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    margin-bottom: 1.8rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.lc:hover {
    /* transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08); */
}

/* List 链接云 */
.lc-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}
.lc-cloud a {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    text-decoration: none;
    color: #2c2c2e;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
.lc-cloud a:hover {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

/* ===== 文章正文排版（.content） ===== */
.content {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
}
.content h1, .content h2, .content h3, .content h4 {
    margin: 1.8rem 0 1rem;
    font-weight: 600;
    color: #1d1d1f;
    line-height: 1.3;
}
.content h1 { font-size: 1.8rem; }
.content h2 { font-size: 1.5rem; }
.content h3 { font-size: 1.25rem; }
.content h4 { font-size: 1.1rem; }
.content p { margin-bottom: 1rem; }
.content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: block;
}
.content a { color: #0071e3; text-decoration: none; }
.content a:hover { text-decoration: underline; }
.content ul, .content ol { margin: 0 0 1rem 1.5rem; }
.content li { margin-bottom: 0.3rem; }
.content blockquote {
    border-left: 4px solid #ccc;
    padding-left: 1rem;
    color: #666;
    margin: 1.5rem 0;
    font-style: italic;
}
.content pre {
    background: #f6f8fa;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}
.content code {
    background: #f6f8fa;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.9em;
}
.content pre code { background: none; padding: 0; }
.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}
.content th, .content td {
    border: 1px solid #ddd;
    padding: 0.6rem 0.8rem;
    text-align: left;
}
.content th { background: #f5f5f7; font-weight: 600; }
.content tr:nth-child(even) { background: rgba(0,0,0,0.02); }

/* ===== SPA 广告（.spa-*） ===== */
.spa-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    width: 100%;
    background: linear-gradient(270deg, #E5234B 0%, #ED673D 100%);
    overflow: hidden;
}
.spa-left {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.spa-img {
    width: 100%;
    max-width: 220px;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 1.2rem;
}
.spa-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
    text-align: left;
}
.spa-title {
    font-size: 2.1rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
    animation: floating 3s ease-in-out infinite;
}
.spa-sub {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    max-width: 480px;
    line-height: 1.6;
}
.spa-btn-wrap {
    width: auto;
    margin-top: 0.4rem;
}
.spa-btn-link {
    display: block;
    text-decoration: none;
    width: 100%;
}
.spa-btn {
    width: 100%;
    padding: 0rem 2rem;
    background-color: #ffffff;
    color: #000;
    border: 2px solid black;
    border-radius: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    text-align: center;
    letter-spacing: 0.3px;
}
.spa-btn:hover {
    background-color: #f0f4ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
}
.spa-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .spa-grid {
        gap: 0rem;
        text-align: center;
        padding: 1rem 0.6rem;
    }
    .spa-left { justify-content: center; }
    .spa-img { max-width: 200px; }
    .spa-right { align-items: center; text-align: center; gap: .2rem; }
    .spa-sub { max-width: 100%; font-size: small; }
    .spa-title { font-size: 1.2rem; }
    .spa-btn { padding: 0.5rem 1.5rem; font-size: small; max-width: 320px; margin: 0 auto; }
}

@media (max-width: 600px) {
    .main-content { padding: 1rem; }
    .sc, .lc {
        margin-bottom: 1rem;
        padding: 1rem;
    }
    .bc { font-size: 0.8rem; display: block;}
    .lc-cloud a { padding: 0.5rem 1rem; font-size: 0.9rem; }
    .rimg { max-height: 250px; }
    .content h1 { font-size: 1.5rem; }
    .content h2 { font-size: 1.3rem; }
    .content h3 { font-size: 1.15rem; }
    .sc > h1, .lc > h1 { font-size: 1.4rem; }
    .sf {
        padding: 1.5rem;
        font-size: 0.8rem;
    }
    .sh {
        padding: 0.8rem 1rem;
    }
    .sh .logo { font-size: 1.1rem; }
    .sh nav a { margin-left: 1rem; font-size: 0.9rem; }
}


/* ===== 原有省份列表模块（.ic） ===== */
.ic {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    margin-bottom: 1.8rem;
    text-align: center;
}
.ic:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.ic-title {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    color: #1d1d1f;
    font-weight: 700;
    line-height: 1.3;
}

.ic-desc {
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: #555;
    font-size: 1rem;
}

.ic-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.ic-link {
    display: block;
    padding: 1.5rem 2rem;
    min-width: 180px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    text-decoration: none;
    color: #2c2c2e;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
.ic-link:hover {
    /* background: #fff; */
    /* border-color: rgba(0, 0, 0, 0.12);
    transform: translateY(-2px); */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.ic-link-title {
    font-size: 1.4rem;
    font-weight: bold;
    color: #1d1d1f;
}

/* ===== Hero 品牌区 ===== */
.hero {
    background: linear-gradient(135deg, #1d1d1f 0%, #2c2c2e 100%);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    color: #fff;
    margin-bottom: 1.8rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.hero-sub {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}
.hero-desc {
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto 1.5rem;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}
.btn-primary {
    background: #fff;
    color: #1d1d1f;
}
.btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}
.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

/* ===== 通用模块卡片（.mod） ===== */
.mod {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    margin-bottom: 1.8rem;
}
.mod-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 1.5rem;
}

/* ===== 图片网格 ===== */
.pic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.pic-item {
    overflow: hidden;
    border-radius: 12px;
}
.pic-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}
.pic-item img:hover {
    transform: scale(1.05);
}

/* ===== 服务项目 ===== */
.svc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}
.svc-card {
    background: rgba(255,255,255,0.8);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(0,0,0,0.06);
    transition: all 0.2s;
}
.svc-card:hover {
    background: #fff;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}
.svc-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.svc-info {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.svc-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: #e5234b;
}
.svc-price .old {
    font-size: 0.9rem;
    color: #aaa;
    text-decoration: line-through;
    font-weight: 400;
}

/* ===== 优惠券 ===== */
.coupon-box {
    background: linear-gradient(135deg, #fff5f7, #fff);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px dashed #e5234b;
}
.coupon-main {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}
.coupon-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #e5234b;
}
.coupon-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}
.coupon-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}
.coupon-list li {
    padding: 0.3rem 0;
    color: #555;
}
.coupon-note {
    font-size: 0.9rem;
    color: #888;
}

/* ===== 平台优势 ===== */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.adv-item {
    padding: 1.5rem;
    background: rgba(255,255,255,0.8);
    border-radius: 12px;
}
.adv-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.adv-item p {
    color: #666;
    font-size: 0.9rem;
}

/* ===== 服务流程 ===== */
.flow-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.step {
    flex: 1;
    min-width: 150px;
    background: rgba(255,255,255,0.8);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    font-weight: 600;
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: #e5234b;
    color: #fff;
    border-radius: 50%;
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

/* ===== 关于我们 ===== */
.about p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .pic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pic-item img {
        height: 150px;
    }
    .ic {
        padding: 2rem 0 0 0;
    }
    .ic-links {
        gap: 1rem;
    }
    .ic-link {
        padding: 1rem 1.5rem;
        min-width: 140px;
    }
}
@media (max-width: 600px) {
    .hero {
        padding: 2rem 1rem;
    }
    .hero-title { font-size: 2rem; }
    .pic-grid {
        grid-template-columns: 1fr 1fr;
    }
    .pic-item img { height: 120px; }
    .mod { padding: 1.5rem; }
    .svc-grid, .adv-grid {
        grid-template-columns: 1fr;
    }
    .ic-title { font-size: 1.8rem; }
    .ic-link-title { font-size: 1.1rem; }
    .ic-link { padding: 0.8rem 1rem; }
}

/* ===== FAQ 问答模块 ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
}

.faq-item[open] {
  background: #fff;
  border-color: rgba(229, 35, 75, 0.2);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.faq-question {
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #1d1d1f;
  list-style: none;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: color 0.2s;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: #e5234b;
  font-weight: 400;
  margin-left: 1rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item[open] .faq-question {
  color: #e5234b;
}

.faq-item[open] .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.2rem 1.2rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  border-top: 1px dashed rgba(0, 0, 0, 0.08);
  padding-top: 0.9rem;
  animation: faqFadeIn 0.25s ease;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式 */
@media (max-width: 600px) {
  .faq-question {
    font-size: 0.95rem;
    padding: 0.9rem 1rem;
  }
  .faq-answer {
    font-size: 0.9rem;
    padding: 0.8rem 1rem 1rem;
  }
}