/* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scrollbar-gutter: stable;
            scroll-behavior: auto;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: #1A1A1A;
            background: transparent;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* ========== Page Background ========== */
        .page-background {
            position: fixed;
            inset: 0;
            z-index: -1;
            background: url('/web/mf601/assets/img/bg-base.png') center / cover no-repeat;
        }

        /* ========== Navigation ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            margin: 0 auto;
            width: 1140px;
            height: 64px;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 4px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transform: translateY(24px);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                        width 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                        border-radius 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            will-change: transform;
        }

        .site-nav.is-sticky {
            transform: translateY(0);
            width: 100%;
            border-radius: 0;
        }

        .site-nav__inner {
            width: 1140px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
        }

        .site-nav__brand {
            display: flex;
            align-items: center;
            text-decoration: none;
            flex-shrink: 0;
        }

        .site-nav__brand img {
            max-height: 104px;
            height: auto;
            width: auto;
        }

        .site-nav__menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .site-nav__link {
            text-decoration: none;
            color: #4B5563;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            transition: color 0.3s ease, transform 0.2s ease;
            padding: 4px 0;
            display: inline-block;
        }

        .site-nav__link:hover {
            color: #1A1A1A;
            transform: translateY(-1px);
        }

        .site-nav__link:active {
            transform: translateY(0) scale(0.97);
        }

        .site-nav__link.is-current {
            color: #1A1A1A;
            font-weight: 600;
        }

        .site-nav__link.is-current::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 0;
            width: 100%;
            height: 3px;
            background: #1A1A1A;
            border-radius: 2px;
            animation: navIndicatorIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
        }

        @keyframes navIndicatorIn {
            from { transform: scaleX(0); opacity: 0; }
            to { transform: scaleX(1); opacity: 1; }
        }

        .site-nav__login {
            background: #1F2937;
            color: #FFFFFF;
            border: none;
            padding: 8px 24px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.3s ease;
            flex-shrink: 0;
        }

        .site-nav__login:hover {
            background: #374151;
        }

        /* ========== Scroll Progress ========== */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: linear-gradient(90deg, #6366F1, #8B5CF6);
            z-index: 9999;
            transition: width 0.1s linear;
            pointer-events: none;
        }

        /* ========== Footer ========== */
        .site-footer {
            position: relative;
            background: #494A4B;
            padding: 48px 0 0;
        }

        .footer__main {
            width: 1140px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr 1.2fr auto;
            gap: 32px;
        }

        .footer__col-title {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer__col-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer__col-list a {
            font-size: 13px;
            color: #B0B0B0;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer__col-list a:hover {
            color: #FFFFFF;
        }

        .footer__contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer__contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #B0B0B0;
        }

        .footer__contact-item img {
            width: 14px;
            height: 14px;
            opacity: 0.7;
        }

        .footer__qr {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .footer__qr-box {
            width: 100px;
            height: 100px;
            background: #FFFFFF;
            border-radius: 4px;
        }

        .footer__qr-text {
            font-size: 11px;
            color: #999999;
            text-align: center;
            line-height: 1.4;
        }

        .footer__bottom-bar {
            width: 1140px;
            margin: 32px auto 0;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer__bottom-bar span {
            font-size: 12px;
            color: #999999;
        }

        .footer__bottom-bar a {
            font-size: 12px;
            color: #999999;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer__bottom-bar a:hover {
            color: #FFFFFF;
        }

        .footer__bottom-bar .sep {
            color: #666666;
            user-select: none;
        }

        /* ========== Domain Page Styles ========== */

        /* 页面内容容器 */
        .domain-page {
            padding-top: 64px;
            padding-bottom: 60px;
            min-height: 100vh;
        }

        .domain-container {
            width: 1140px;
            margin: 0 auto;
            padding: 0;
        }

        /* Banner区域 */
        .page-header {
            text-align: center;
            background: url('/web/mf601/assets/img/cloud-banner.png') center top / cover no-repeat;
            background-position-y: 0;
            padding: 60px 0 140px;
            margin-left: calc(-50vw + 50%);
            margin-right: calc(-50vw + 50%);
            margin-top: -64px;
            padding-top: 124px;
            margin-bottom: -80px;
        }

        .page-header__title {
            font-size: 36px;
            font-weight: 800;
            color: #1A1A1A;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .page-header__subtitle {
            font-size: 15px;
            color: #6B7280;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* 域名搜索栏 */
        .domain-search {
            max-width: 680px;
            margin: 32px auto 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 8px;
            padding: 8px;
            display: flex;
            align-items: center;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }

        .domain-search__input {
            flex: 1;
            height: 48px;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            color: #1A1A1A;
            padding: 0 16px;
            font-family: inherit;
        }

        .domain-search__input::placeholder {
            color: #9CA3AF;
        }

        .domain-search__btn {
            height: 48px;
            padding: 0 32px;
            background: #494A4B;
            color: #FFFFFF;
            border: none;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
            font-family: inherit;
        }

        .domain-search__btn:hover {
            background: #3A3B3C;
        }

        .domain-search__btn:active {
            background: #2C2D2E;
            transform: scale(0.98);
        }

        /* 内容区域 */
        .domain-content {
            position: relative;
            z-index: 1;
        }

        /* 通用区块标题 */
        .section-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
        }

        .search-results__close {
            margin-left: auto;
            padding: 4px 12px;
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            background: transparent;
            color: #6B7280;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .search-results__close:hover {
            color: #1A1A1A;
            border-color: rgba(0, 0, 0, 0.2);
        }

        .section-header__number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border: 2px solid #494A4B;
            color: #494A4B;
            font-size: 13px;
            font-weight: 700;
            border-radius: 6px;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }

        .section-header:hover .section-header__number {
            background: #494A4B;
            color: #FFFFFF;
        }

        .section-header__title {
            font-size: 14px;
            font-weight: 700;
            color: #1A1A1A;
        }

        .section-header__subtitle {
            font-size: 13px;
            color: #6B7280;
            font-weight: 400;
            margin-left: 4px;
        }

        /* 通用玻璃卡片 */
        .glass-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        /* ========== 搜索结果区域 ========== */
        .search-results-section {
            margin-bottom: 48px;
        }

        .search-results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        /* 域名结果卡片 */
        .domain-result-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 8px;
            padding: 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .domain-result-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .domain-result-card__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .domain-result-card__name {
            font-size: 16px;
            font-weight: 700;
            color: #1A1A1A;
            word-break: break-all;
        }

        .domain-result-card__suffix {
            display: inline-flex;
            align-items: center;
            padding: 2px 8px;
            background: rgba(0, 0, 0, 0.04);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #374151;
            flex-shrink: 0;
        }

        .domain-result-card__price-row {
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .domain-result-card__price {
            font-size: 28px;
            font-weight: 800;
            color: #494A4B;
            line-height: 1;
        }

        .domain-result-card__price-unit {
            font-size: 11px;
            color: #9CA3AF;
            font-weight: 400;
        }

        .domain-result-card__status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
        }

        .domain-result-card__status--available {
            color: #10B981;
        }

        .domain-result-card__status--registered {
            color: #EF4444;
        }

        .domain-result-card__status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .domain-result-card__status--available .domain-result-card__status-dot {
            background: #10B981;
        }

        .domain-result-card__status--registered .domain-result-card__status-dot {
            background: #EF4444;
        }

        .domain-result-card__actions {
            margin-top: auto;
        }

        /* 加入购物车按钮 - 描边样式 */
        .btn-cart {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 36px;
            border: 1px solid #494A4B;
            background: transparent;
            color: #494A4B;
            font-size: 13px;
            font-weight: 500;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
            font-family: inherit;
        }

        .btn-cart:hover {
            background: #494A4B;
            color: #FFFFFF;
        }

        .btn-cart:active {
            background: #3A3B3C;
            border-color: #3A3B3C;
            transform: scale(0.98);
        }

        .btn-cart:disabled {
            border-color: rgba(0, 0, 0, 0.1);
            color: #9CA3AF;
            cursor: not-allowed;
            background: transparent;
        }

        .btn-cart:disabled:hover {
            background: transparent;
            color: #9CA3AF;
        }

        /* ========== 热门后缀区域 ========== */
        .suffix-section {
            margin-bottom: 48px;
        }

        .suffix-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        /* 后缀卡片 */
        .suffix-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 8px;
            padding: 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }

        .suffix-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            border-color: rgba(0, 0, 0, 0.1);
        }

        .suffix-card__name {
            font-size: 20px;
            font-weight: 800;
            color: #1A1A1A;
        }

        .suffix-card__desc {
            font-size: 12px;
            color: #6B7280;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .suffix-card__price {
            font-size: 13px;
            color: #494A4B;
            font-weight: 600;
            margin-top: 4px;
        }

        .suffix-card__price span {
            font-size: 10px;
            color: #9CA3AF;
            font-weight: 400;
        }

        .suffix-card__actions {
            margin-top: 8px;
        }

        /* 立即注册按钮 - 实心样式 */
        .btn-register {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 36px;
            border: none;
            background: #494A4B;
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 500;
            border-radius: 4px;
            cursor: pointer;
            font-family: inherit;
        }

        /* ========== FAQ / 注册须知区域 ========== */
        .faq-section {
            margin-bottom: 48px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        /* FAQ手风琴项 */
        .faq-item {
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(0, 0, 0, 0.06);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-item:hover {
            background: rgba(255, 255, 255, 0.85);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }

        .faq-item.show {
            background: rgba(255, 255, 255, 0.85);
            border-color: rgba(73, 74, 75, 0.15);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }

        .faq-item__header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
        }

        .faq-item__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border: 1.5px solid rgba(73, 74, 75, 0.25);
            border-radius: 6px;
            flex-shrink: 0;
            color: #494A4B;
            font-size: 14px;
            font-weight: 700;
            transition: all 0.2s ease;
        }

        .faq-item.show .faq-item__icon {
            background: #494A4B;
            border-color: #494A4B;
            color: #FFFFFF;
        }

        .faq-item__title {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: #1A1A1A;
        }

        .faq-item__arrow {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: #9CA3AF;
        }

        .faq-item.show .faq-item__arrow {
            transform: rotate(180deg);
            color: #494A4B;
        }

        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.show .faq-item__body {
            max-height: 300px;
        }

        .faq-item__content {
            padding: 0 20px 16px 60px;
            font-size: 13px;
            color: #6B7280;
            line-height: 1.8;
        }

        .faq-item__content p {
            margin-bottom: 8px;
        }

        .faq-item__content p:last-child {
            margin-bottom: 0;
        }
        /* ========== Toast 提示 ========== */
        .toast {
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            background: #494A4B;
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            z-index: 9999;
            opacity: 0;
            transition: opacity 0.3s ease, transform 0.3s ease;
            pointer-events: none;
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
