:root {
    --primary: #4E6EF2;
    --primary-dark: #3B5BE5;
    --primary-light: #EEF2FF;
    --purple: #7B4EF2;
    --text: #222226;
    --text-2: #626675;
    --text-3: #9195A3;
    --border: #E8E9EC;
    --bg: #FFFFFF;
    --bg-soft: #F7F8FC;
    --wechat: #09BB07;
    --alipay: #1677FF;
    --radius: 16px;
    --shadow: 0 4px 20px rgba(30, 45, 90, 0.07);
    --shadow-hover: 0 10px 32px rgba(78, 110, 242, 0.18);
  }

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

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

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC",
                 "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
  }

  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }

  .container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ============ 顶部导航 ============ */
  .header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .header-inner {
    height: 64px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  /* 兼容旧标记名 */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .nav-inner {
    height: 64px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand img { width: 36px; height: 36px; }
  .brand-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #4E6EF2 0%, #7B4EF2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .brand-domain {
    font-size: 11px;
    color: var(--text-3);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1px 8px;
    background: #FAFBFD;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }
  .nav-links a {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14.5px;
    color: var(--text-2);
    transition: all 0.2s;
    white-space: nowrap;
  }
  .nav-links a:hover { color: var(--primary); background: var(--primary-light); }
  .nav-download {
    background: var(--primary);
    color: #fff !important;
    padding: 8px 20px !important;
    font-weight: 600;
  }
  .nav-download:hover { background: var(--primary-dark) !important; }

  .nav-toggle {
    display: none;
    margin-left: auto;
    width: 40px; height: 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
  }
  .nav-toggle i {
    display: block;
    width: 18px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.25s;
  }
  .nav-toggle.open i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open i:nth-child(2) { opacity: 0; }
  .nav-toggle.open i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ============ 首屏 ============ */
  .hero {
    position: relative;
    padding: 72px 0 64px;
    overflow: hidden;
  }
  .hero::before {
    content: "";
    position: absolute;
    top: -160px; right: -120px;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(78,110,242,0.16), transparent 68%);
    pointer-events: none;
  }
  .hero::after {
    content: "";
    position: absolute;
    bottom: -200px; left: -140px;
    width: 460px; height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123,78,242,0.14), transparent 68%);
    pointer-events: none;
  }
  .hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 22px;
  }
  .hero h1 {
    font-size: 46px;
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
  }
  .hero h1 .grad {
    background: linear-gradient(135deg, #4E6EF2 0%, #7B4EF2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero-sub {
    font-size: 17px;
    color: var(--text-2);
    margin-bottom: 32px;
    max-width: 520px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 14px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.22s;
    white-space: nowrap;
  }
  .btn-primary {
    background: linear-gradient(135deg, #4E6EF2 0%, #6A5CF2 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(78, 110, 242, 0.32);
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(78, 110, 242, 0.42); }
  .btn-ghost {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
  .hero-tip {
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-3);
  }

  /* 软件截图卡片 */
  .hero-shot {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 18px 48px rgba(30, 45, 90, 0.18);
    border: 1px solid var(--border);
    background: #fff;
  }
  .shot-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    background: #F2F3F7;
    border-bottom: 1px solid var(--border);
  }
  .shot-bar i {
    width: 11px; height: 11px; border-radius: 50%;
    display: block;
  }
  .shot-bar i:nth-child(1) { background: #FF5F57; }
  .shot-bar i:nth-child(2) { background: #FEBC2E; }
  .shot-bar i:nth-child(3) { background: #28C840; }
  .shot-url {
    margin-left: 10px;
    font-size: 12px;
    color: var(--text-3);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 3px 14px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .shot-body { padding: 26px 26px 30px; }
  .shot-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
  .shot-logo img { width: 34px; height: 34px; }
  .shot-logo b { font-size: 17px; }
  .shot-search {
    display: flex;
    align-items: center;
    border: 2px solid var(--primary);
    border-radius: 26px;
    padding: 4px 4px 4px 16px;
  }
  .shot-search input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
    color: var(--text-3);
    min-width: 0;
  }
  .shot-search button {
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
  }
  .shot-result {
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    background: var(--bg-soft);
  }
  .shot-result .r-name {
    color: #2440B3;
    font-weight: 600;
    font-size: 14.5px;
  }
  .shot-result .r-path {
    color: #00A46A;
    font-size: 12px;
    margin: 5px 0 7px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .shot-result .r-desc { color: var(--text-2); font-size: 12.5px; line-height: 1.6; }
  .shot-result .r-desc mark { background: #FFF1B8; color: #B25600; border-radius: 3px; padding: 0 2px; }

  /* ============ 通用区块 ============ */
  .section { padding: 72px 0; }
  .section-soft { background: var(--bg-soft); }
  .section-head { text-align: center; margin-bottom: 46px; }
  .section-head h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
  }
  .section-head p {
    color: var(--text-2);
    font-size: 15.5px;
    max-width: 560px;
    margin: 0 auto;
  }

  /* ============ 功能卡片 ============ */
  .features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  .feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: all 0.25s;
  }
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(78, 110, 242, 0.35);
  }
  .feature-icon {
    width: 48px; height: 48px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    margin-bottom: 16px;
    background: var(--primary-light);
  }
  .feature-card h3 { font-size: 17.5px; margin-bottom: 8px; }
  .feature-card p { color: var(--text-2); font-size: 14px; }

  /* ============ 步骤 ============ */
  .steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    counter-reset: step;
  }
  .step-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 24px 26px;
    box-shadow: var(--shadow);
  }
  .step-num {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #4E6EF2 0%, #7B4EF2 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
  }
  .step-card h3 { font-size: 17px; margin-bottom: 8px; }
  .step-card p { color: var(--text-2); font-size: 14px; }

  /* ============ 格式支持 ============ */
  .formats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 760px;
    margin: 0 auto;
  }
  .format-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-2);
    box-shadow: var(--shadow);
  }
  .format-chip .dot {
    width: 9px; height: 9px; border-radius: 50%;
  }
  .format-chip b { color: var(--text); }

  /* ============ 下载区 ============ */
  .download-card {
    background: linear-gradient(135deg, #4E6EF2 0%, #6A5CF2 100%);
    border-radius: 22px;
    padding: 48px 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 14px 40px rgba(78, 110, 242, 0.34);
  }
  .download-card h2 { font-size: 30px; margin-bottom: 12px; }
  .download-card p { font-size: 15.5px; opacity: 0.92; margin-bottom: 28px; }
  .btn-white {
    background: #fff;
    color: var(--primary);
    padding: 14px 34px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    transition: all 0.22s;
    box-shadow: 0 6px 18px rgba(0,0,0,0.16);
  }
  .btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,0.22); }
  .download-meta {
    margin-top: 20px;
    font-size: 13px;
    opacity: 0.85;
  }

  /* ============ 赞助区 ============ */
  .sponsor-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 920px;
    margin: 0 auto;
  }
  .sponsor-head {
    text-align: center;
    padding: 40px 24px 8px;
  }
  .sponsor-head .heart {
    width: 58px; height: 58px;
    border-radius: 18px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    color: #fff;
    font-size: 27px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 22px rgba(255, 107, 107, 0.32);
  }
  .sponsor-head h2 { font-size: 26px; margin-bottom: 10px; }
  .sponsor-head p { color: var(--text-2); font-size: 14.5px; max-width: 520px; margin: 0 auto; }

  .pay-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 30px 32px 36px;
  }
  .pay-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 18px 18px;
    text-align: center;
    transition: all 0.25s;
    background: #fff;
  }
  .pay-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 26px rgba(30, 45, 90, 0.10);
  }
  .pay-card .qr-wrap {
    position: relative;
    display: inline-block;
    padding: 10px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 14px;
  }
  .pay-card .qr-wrap img {
    width: 200px;
    height: 200px;
    border-radius: 8px;
  }
  .pay-card h3 {
    font-size: 16.5px;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
  }
  .pay-tag {
    font-size: 11px;
    color: #fff;
    border-radius: 5px;
    padding: 1px 7px;
    font-weight: 700;
  }
  .tag-wechat { background: var(--wechat); }
  .tag-alipay { background: var(--alipay); }
  .pay-card p { font-size: 13px; color: var(--text-3); }

  /* 单赞赏码居中布局 */
  .reward-center {
    text-align: center;
    padding: 30px 24px 26px;
  }
  .qr-glow {
    display: inline-block;
    padding: 14px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 10px 34px rgba(78, 110, 242, 0.16);
    margin-bottom: 22px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .qr-glow:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 44px rgba(78, 110, 242, 0.26);
  }
  .qr-glow img {
    width: 232px;
    height: 232px;
    border-radius: 12px;
    display: block;
  }
  .reward-center h3 {
    font-size: 19px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
  .reward-desc {
    color: var(--text-2);
    font-size: 14.5px;
    line-height: 1.8;
  }
  .contact-row a { color: var(--primary); }

  .sponsor-thanks {
    text-align: center;
    padding: 0 24px 34px;
    color: var(--text-3);
    font-size: 13.5px;
  }

  /* ============ 联系我们 ============ */
  .contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  .contact-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 24px 26px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.25s;
    color: var(--text);
  }
  .contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(78, 110, 242, 0.35);
  }
  .contact-ico-big {
    width: 52px; height: 52px;
    border-radius: 15px;
    background: var(--primary-light);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
  }
  .contact-card h3 { font-size: 16px; margin-bottom: 8px; }
  .contact-card .contact-main {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
    word-break: break-all;
  }
  .contact-card .contact-sub { font-size: 13px; color: var(--text-3); }

  /* ============ 常见问题 ============ */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.22s;
  }
  .faq-item:hover { box-shadow: var(--shadow-hover); }
  .faq-item summary {
    padding: 17px 22px;
    font-size: 15.5px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: "+";
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.22s;
  }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-item p {
    padding: 0 22px 18px;
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.75;
  }

  /* ============ 页脚 ============ */
  .footer {
    background: #1D1F26;
    color: #9BA0AE;
    padding: 48px 0 30px;
    margin-top: 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.1fr 1.3fr;
    gap: 36px;
    margin-bottom: 32px;
  }
  .footer-brand-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
  .footer-brand-row img {
    width: 26px !important;
    height: 26px !important;
    max-width: 26px !important;
    max-height: 26px !important;
    flex-shrink: 0;
    object-fit: contain;
  }
  .footer-brand-row .brand-text { font-size: 16px; }
  .footer p { font-size: 13.5px; line-height: 1.8; }
  .footer h4 {
    color: #E8EAF0;
    font-size: 14.5px;
    margin-bottom: 12px;
    font-weight: 600;
  }
  .footer ul { list-style: none; }
  .footer li { font-size: 13.5px; margin-bottom: 8px; }
  .footer li a:hover { color: var(--primary); }
  .footer-bottom {
    border-top: 1px solid #2E313B;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
  }
  .footer-bottom .sep { margin: 0 8px; color: #3A3E4A; }
  .footer a { color: #9BA0AE; }

  /* 页脚联系方式 */
  .footer-contact li { display: flex; align-items: center; gap: 8px; }
  .footer-contact .fc-ico { font-size: 13px; flex-shrink: 0; }
  .footer-contact a { color: #C6C9D6; }
  .footer-contact a:hover { color: var(--primary); }

  /* 页脚赞助位 */
  .footer-sponsor { display: flex; align-items: center; gap: 14px; }
  .footer-sponsor .fs-qr {
    width: 92px; height: 92px;
    border-radius: 12px;
    padding: 5px;
    background: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  }
  .footer-sponsor .fs-qr img { width: 100%; height: 100%; border-radius: 8px; }
  .footer-sponsor .fs-txt { min-width: 0; }
  .footer-sponsor .fs-title {
    font-size: 14.5px; font-weight: 600; color: #E8EAF0;
    display: flex; align-items: center; gap: 6px; margin-bottom: 5px;
  }
  .footer-sponsor .fs-title .heart {
    display: inline-flex; width: 17px; height: 17px;
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: #fff; border-radius: 5px; font-size: 10px;
    align-items: center; justify-content: center;
  }
  .footer-sponsor .fs-desc { font-size: 12.5px; color: #9BA0AE; line-height: 1.7; }
  .footer-sponsor .fs-desc b { color: #FF8E53; font-weight: 600; }

  /* ============ 套餐价格 ============ */
  .pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 22px;
    margin-top: 30px;
  }
  .price-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 30px 26px 26px;
    position: relative;
    overflow: hidden; /* 裁剪对角缎带角标的出边两端 */
    display: flex;
    flex-direction: column;
    transition: transform 0.22s, box-shadow 0.22s;
  }
  .price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .price-card.pro-card {
    border-color: #C9D4F7;
    background: linear-gradient(180deg, #F7F9FF 0%, #FFFFFF 55%);
  }
  .price-card.hot {
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(78, 110, 242, 0.18);
  }
  /* 角标：对角缎带，从卡片上沿斜跨到右沿（两端由卡片 overflow 裁剪），纯色底白字。
     文字取后台套餐设置的“角标”输入；位置已向右上角方向整体移动 2/5（贴角更近）。 */
  .price-tag {
    position: absolute;
    top: 13px;
    right: -87px;
    z-index: 2;
    width: 240px;
    padding: 9px 0;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    white-space: nowrap;
    color: #fff;
    background: #E90101;
    transform: rotate(45deg);
  }
  .price-tag.tag-tuijian { background: #1fa35a; }  /* 与“立省”同绿 */
  .price-tag.tag-chaozhi { background: #FA541C; }  /* 与售价同橘黄 */
  /* min-height 保证三张卡的功能第一行对齐（最高一档含原价/立省行） */
  .price-head { text-align: center; margin-bottom: 18px; min-height: 106px; }
  .price-head h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
  .price-amount { font-size: 42px; font-weight: 800; color: var(--text); line-height: 1; }
  .price-amount .cur { font-size: 18px; vertical-align: top; margin-right: 2px; color: #FA541C; }
  .pro-card .price-amount { color: #FA541C; }
  .price-amount small { font-size: 13px; font-weight: 400; color: var(--text-3); margin-left: 6px; }
  .price-list {
    list-style: none;
    margin: 0 0 22px;
    padding: 18px 0;
    border-top: 1px dashed #E8ECF3;
    flex: 1;
  }
  .price-list li { font-size: 13.5px; color: var(--text-2); line-height: 2.1; }
  .price-list li.no { color: #B5BAC6; }
  .price-list li.no .pf-ico { color: #D3D8E0; }
  .price-list .pf-ico { display: inline-block; width: 20px; font-weight: 700; color: #52C41A; }
  .price-list li.pf-mute { color: #222226; }
  .pro-card .price-list li:not(.no) { color: var(--text); font-weight: 500; }
  .price-btn { width: 100%; justify-content: center; }
  .pricing-note {
    text-align: center;
    color: var(--text-3);
    font-size: 13px;
    margin-top: 26px;
  }
  .pricing-note a { color: var(--primary); font-weight: 600; }

  /* ============ 响应式 ============ */
  @media (max-width: 900px) {
    .hero { padding: 48px 0 44px; }
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 15.5px; }
    .features { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .pricing-table { grid-template-columns: 1fr; }
    .nav-links {
      position: absolute;
      top: 64px; left: 0; right: 0;
      flex-direction: column;
      align-items: stretch;
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 10px 20px 18px;
      gap: 2px;
      box-shadow: 0 10px 24px rgba(30,45,90,0.10);
      display: none;
    }
    .nav-links.show { display: flex; }
    .nav-links a { padding: 12px 14px; font-size: 15px; }
    .nav-download { text-align: center; margin-top: 6px; }
    .nav-toggle { display: flex; }
    .brand-domain { display: none; }
    .section { padding: 52px 0; }
    .section-head h2 { font-size: 26px; }
  }

  @media (max-width: 640px) {
    .container { padding: 0 18px; }
    .hero h1 { font-size: 28px; }
    .hero-actions .btn { flex: 1; justify-content: center; padding: 13px 18px; font-size: 15px; }
    .features { grid-template-columns: 1fr; }
    .pay-row { grid-template-columns: 1fr; gap: 18px; padding: 24px 18px 28px; }
    .pay-card .qr-wrap img { width: 168px; height: 168px; }
    .download-card { padding: 36px 22px; }
    .download-card h2 { font-size: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .shot-body { padding: 20px 18px 24px; }
    /* 赞助码：手机端图上文字下 */
    .qr-glow img { width: 176px; height: 176px; }
    .reward-center { padding: 24px 16px 20px; }
    .reward-side { min-width: 0; width: 100%; }
    .contact-cards { grid-template-columns: 1fr; }
  }

  /* ============ 购买 / 找回 / 支付结果页 ============
     这些根目录页面（buy.php / recover.php / pay/…）只引用 style.css，
     因此在此补全卡片与支付相关样式，保证所有页面样式一致。 */
  .buy-wrap {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #eef1fc 0%, #f7f2fd 100%); padding: 30px 16px;
  }
  .buy-card {
    width: 460px; max-width: 100%;
    background: #fff; border-radius: 18px; padding: 36px 32px;
    box-shadow: 0 16px 48px rgba(40, 50, 110, .12);
  }
  .buy-card h2 { font-size: 20px; margin-bottom: 18px; }
  .buy-card .field { margin-bottom: 16px; }
  .buy-card .field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
  .buy-card .field input {
    width: 100%; height: 44px; border: 1px solid #dfe4ee; border-radius: 10px;
    padding: 0 14px; font-size: 14px; outline: none;
  }
  .buy-card .field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(78,110,242,.12); }
  .buy-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 9px 0; border-bottom: 1px dashed #eef0f5; font-size: 14px;
  }
  .buy-row span { color: var(--text-3); }
  .buy-row.big { border-bottom: none; padding: 14px 0 4px; }
  .buy-row .price { font-size: 26px; color: #fa541c; }
  .buy-row .price-orig {
    font-size: 13px; font-weight: 400; color: #a3a8b6;
    text-decoration: line-through; margin-left: 8px;
  }
  .buy-pay { font-size: 12.5px; color: var(--text-3); margin: 12px 0 18px; }
  /* 支付方式选择（虎皮椒微信/支付宝分开）：带图标的卡片单选，置于订单信息之前 */
  .pay-select { margin: 2px 0 16px; }
  .pay-select-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
  .pay-select-title { font-size: 14px; font-weight: 700; color: var(--text); }
  .pay-select-head .pay-hint { font-size: 12px; color: var(--text-3); }
  .pay-methods { display: flex; gap: 12px; }
  .pay-method {
    flex: 1; display: flex; align-items: center; gap: 10px;
    padding: 12px 38px 12px 14px; border: 1.5px solid #dfe4ee; border-radius: 12px;
    cursor: pointer; margin: 0; position: relative; background: #fff;
    transition: border-color .15s, background .15s, box-shadow .15s;
  }
  .pay-method:hover { border-color: #C9D4F7; }
  .pay-method input { position: absolute; opacity: 0; pointer-events: none; }
  .pay-method::after {
    content: ""; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    width: 18px; height: 18px; border-radius: 50%;
    border: 1.5px solid #d3d8e3; background: #fff;
    transition: border-color .15s, background .15s, box-shadow .15s;
  }
  .pay-method:has(input:checked) {
    border-color: var(--primary); background: #F5F8FF;
    box-shadow: 0 2px 10px rgba(78, 110, 242, 0.10);
  }
  .pay-method:has(input:checked)::after {
    border-color: var(--primary); background: var(--primary);
    box-shadow: inset 0 0 0 3px #fff;
  }
  .pay-icon { width: 22px; height: 22px; flex: none; display: flex; align-items: center; justify-content: center; }
  .pay-icon svg { width: 20px; height: 20px; display: block; }
  .pay-text { display: flex; flex-direction: column; line-height: 1.3; }
  .pay-text b { font-size: 14.5px; font-weight: 700; color: var(--text); font-style: normal; }
  .pay-text i { font-style: normal; font-size: 11.5px; color: var(--text-3); }
  /* 套餐卡片：原价（划线灰色）与立省金额（绿色）同行居中显示 */
  .price-save-line {
    display: flex; align-items: baseline; justify-content: center; gap: 12px;
    margin-top: 8px; flex-wrap: wrap;
  }
  .price-save-line .price-orig {
    font-size: 13.5px; font-weight: 500; color: #a3a8b6;
    text-decoration: line-through;
  }
  .price-save-line .price-save {
    color: #1fa35a; font-weight: 600; font-size: 13.5px;
  }
  .btn-pay {
    display: inline-block; width: 100%; height: 48px; border: none; border-radius: 12px;
    background: linear-gradient(135deg, #4E6EF2, #7B4EF2);
    color: #fff; font-size: 16px; font-weight: 700; cursor: pointer;
    text-align: center; line-height: 48px;
  }
  .btn-pay:hover { filter: brightness(1.06); }
  .btn-pay:disabled { background: #c9cedb; cursor: not-allowed; }
  .buy-tip { font-size: 12.5px; color: var(--text-3); line-height: 1.9; margin-top: 14px; }
  .buy-tip a { color: var(--primary); }
  .pay-ok { text-align: center; }
  .pay-ico {
    width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
    background: #52c41a; color: #fff; font-size: 30px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
  }
  .pay-ico.spin { background: var(--primary); animation: buyPulse 1s infinite; }
  @keyframes buyPulse { 50% { transform: scale(1.08); } }
  .pay-sub { color: var(--text-3); font-size: 13.5px; }
  .code-box {
    margin: 22px 0 12px; padding: 18px; border-radius: 12px;
    background: #f5f7ff; border: 1px dashed #b9c6f5;
  }
  .code-label { font-size: 12px; color: var(--text-3); margin-bottom: 8px; }
  .code-value {
    font-family: Consolas, Menlo, monospace; font-size: 20px; font-weight: 700;
    color: var(--primary); letter-spacing: 1px; word-break: break-all;
  }
  .code-meta { font-size: 12px; color: var(--text-3); line-height: 2; }
  /* 续费 / 升级页：多个升级套餐表单之间的分隔 */
  .upgrade-form { margin-top: 18px; padding-top: 18px; border-top: 1px dashed #eef0f5; }
  .qr-box { display: inline-block; padding: 14px; border: 1px solid #eef0f5; border-radius: 14px; background: #fff; }
  .recover-list { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
  .recover-item {
    border: 1px solid #e6eaf2; border-radius: 12px; padding: 14px 16px;
    background: #fafbff;
  }
  .r-top { display: flex; justify-content: space-between; margin-bottom: 8px; }
  .r-plan { font-weight: 700; }
  .r-status.ok { color: #1fa35a; font-size: 12.5px; font-weight: 600; }
  .r-status.wait { color: #d9820b; font-size: 12.5px; font-weight: 600; }
  .r-code { font-size: 13.5px; }
  .r-code b { font-family: Consolas, Menlo, monospace; color: var(--primary); }
  .r-note { color: var(--text-3); font-size: 12px; margin-left: 8px; }
  .r-meta { font-size: 11.5px; color: var(--text-3); margin-top: 6px; }

  @media (max-width: 640px) {
    .buy-card { width: 100%; padding: 28px 20px; }
  }

/* ============ 首页右侧：在线客服伸缩框（fixed 不随页面滚动） ============ */
.kefu-fab {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1500;
  display: flex;
  align-items: center;
  font-family: inherit;
}
/* 收起态：右侧中间的小滑块，点击滑出/收起面板 */
.kefu-fab-handle {
  width: 40px;
  padding: 12px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: #4E6EF2;
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
  border-radius: 10px 0 0 10px;
  cursor: pointer;
  user-select: none;
  box-shadow: -2px 2px 12px rgba(30,40,80,.25);
}
.kefu-fab-handle:hover { background: #4060d9; }
.kefu-fab-handle svg { width: 18px; height: 18px; stroke: currentColor; }
/* 滑出面板：联系方式 */
.kefu-fab-panel {
  display: none;
  width: 220px;
  padding: 16px 18px 14px;
  background: #fff;
  border-radius: 10px 0 0 10px;
  box-shadow: -6px 2px 24px rgba(30,40,80,.18);
  color: #222226;
  font-size: 13px;
  line-height: 1.9;
  word-break: break-all;
}
.kefu-fab.open .kefu-fab-panel { display: block; }
.kefu-fab-title {
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: 1px;
  color: #222226;
}
.kefu-fab-lines { font-size: 13px; color: #222226; }
.kefu-fab-wechat {
  display: block;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #07C160;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
}
.kefu-fab-wechat:hover { background: #06AD56; }
.kefu-fab-wechat svg {
  width: 14px; height: 14px;
  vertical-align: -2px;
  margin-right: 5px;
  fill: currentColor;
}
@media (max-width: 640px) {
  .kefu-fab-panel { width: 200px; padding: 14px 14px 12px; }
}

/* ============ 首页：微信客服二维码弹窗（图片按弹窗自适应、带关闭按钮） ============ */
.kefu-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.kefu-mask.show { display: flex; }
.kefu-mask-card {
  position: relative;
  width: 300px;
  max-width: 88vw;
  background: #fff;
  border-radius: 16px;
  padding: 24px 24px 20px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.kefu-mask-title {
  font-size: 16px;
  font-weight: 700;
  color: #222226;
  margin-bottom: 14px;
}
/* 二维码约束在 220px 内并按弹窗宽度自适应（object-fit 保持比例） */
.kefu-mask-card .kefu-qr {
  display: block;
  margin: 0 auto;
  width: 220px;
  height: 220px;
  max-width: 100%;
  border: 1px solid #eef0f5;
  border-radius: 10px;
  object-fit: contain;
}
.kefu-mask-close {
  position: absolute;
  top: 4px; right: 8px;
  width: 30px; height: 30px;
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: #9195A3;
  cursor: pointer;
  border-radius: 8px;
}
.kefu-mask-close:hover { color: #222226; background: #f2f4f8; }
.kefu-mask-tip {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: #9195A3;
  line-height: 1.7;
}