:root {
            --weos-brand-yellow: #f0b90b;
            --weos-brand-yellow-light: #ffe58f;
            --weos-brand-dark: #0b1017;
            --weos-brand-dark-soft: #121824;
            --weos-brand-gray: #6b7280;
            --weos-brand-border: #1f2937;
            --weos-brand-bg: #050812;
            --weos-brand-bg-soft: #0b1017;
            --weos-brand-card-bg: #111827;
            --weos-brand-text: #e5e7eb;
            --weos-brand-text-soft: #9ca3af;
            --weos-brand-accent: #10b981;
            --weos-shadow-soft: 0 18px 45px rgba(0,0,0,0.45);
            --weos-radius-lg: 18px;
            --weos-radius-xl: 24px;
            --weos-radius-full: 999px;
            --weos-transition-fast: 0.2s ease;
        }

        * {
            box-sizing: border-box;
        }

        html, body {
            margin: 0;
            padding: 0;
            font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            background: radial-gradient(circle at top, #111827 0, #020617 40%, #000 100%);
            color: var(--weos-brand-text);
            line-height: 1.6;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        .weos-page-wrapper {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .weos-header {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(16px);
            background: linear-gradient(to right, rgba(2,6,23,0.96), rgba(15,23,42,0.96));
            border-bottom: 1px solid rgba(55,65,81,0.6);
        }

        .weos-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }

        .weos-nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 12px;
        }

        .weos-nav-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .weos-logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            border: 0px solid rgba(249,250,251,0.12);
            background: radial-gradient(circle at 30% 0%, #facc15 0, #f97316 35%, #0f172a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--weos-shadow-soft);
        }

        .weos-logo-mark span {
            font-size: 17px;
            font-weight: 800;
            color: #0b1017;
        }

        .weos-logo-text {
            display: flex;
            flex-direction: column;
        }

        .weos-logo-text strong {
            font-size: 18px;
            letter-spacing: 0.04em;
        }

        .weos-logo-text small {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
        }

        .weos-nav-links a {
            position: relative;
            padding: 4px 0;
            color: var(--weos-brand-text-soft);
            transition: color var(--weos-transition-fast);
        }

        .weos-nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--weos-brand-yellow), var(--weos-brand-accent));
            border-radius: var(--weos-radius-full);
            transition: width var(--weos-transition-fast);
        }

        .weos-nav-links a:hover {
            color: #f9fafb;
        }

        .weos-nav-links a:hover::after {
            width: 100%;
        }

        .weos-nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .weos-nav-cta-badge {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(249,250,251,0.18);
            color: var(--weos-brand-yellow-light);
            background: radial-gradient(circle at top left, rgba(250,204,21,0.2), transparent 55%);
        }

        .weos-nav-cta-btn {
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--weos-radius-full);
            border: none;
            background: linear-gradient(135deg, var(--weos-brand-yellow), #f97316);
            color: #111827;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 10px 30px rgba(250,204,21,0.35);
        }

        .weos-nav-cta-btn i {
            font-size: 12px;
        }

        /* HERO */
        .weos-hero {
            padding: 40px 0 32px;
        }

        .weos-hero-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
            gap: 32px;
            align-items: center;
        }

        .weos-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--weos-radius-full);
            padding: 4px 10px;
            border: 1px solid rgba(148,163,184,0.45);
            background: linear-gradient(90deg, rgba(15,23,42,0.85), rgba(8,47,73,0.9));
            margin-bottom: 16px;
        }

        .weos-hero-tag span {
            font-size: 11px;
            color: var(--weos-brand-yellow-light);
        }

        .weos-hero-tag i {
            font-size: 11px;
            color: var(--weos-brand-yellow);
        }

        .weos-hero-title {
            font-size: 30px;
            line-height: 1.3;
            margin: 0 0 14px;
        }

        .weos-hero-title span {
            color: var(--weos-brand-yellow);
        }

        .weos-hero-subtitle {
            font-size: 13px;
            color: var(--weos-brand-text-soft);
            max-width: 520px;
            margin-bottom: 22px;
        }

        .weos-hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .weos-hero-meta-pill {
            font-size: 11px;
            padding: 4px 8px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(55,65,81,0.8);
            color: var(--weos-brand-text-soft);
            background: radial-gradient(circle at top, rgba(31,41,55,0.85), rgba(15,23,42,0.9));
        }

        .weos-hero-meta-pill strong {
            color: #e5e7eb;
            margin-right: 4px;
        }

        .weos-hero-download-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 12px;
        }

        .weos-btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(148,163,184,0.6);
            background: radial-gradient(circle at top left, rgba(250,204,21,0.18), rgba(15,23,42,1));
            color: #f9fafb;
            font-size: 13px;
            cursor: pointer;
            transition: transform var(--weos-transition-fast), box-shadow var(--weos-transition-fast), border-color var(--weos-transition-fast), background var(--weos-transition-fast);
            text-decoration: none;
        }

        .weos-btn-download span {
            display: flex;
            flex-direction: column;
        }

        .weos-btn-download small {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-btn-download i {
            font-size: 17px;
        }

        .weos-btn-download.primary {
            border-color: transparent;
            background: linear-gradient(135deg, #facc15, #f97316);
            color: #111827;
            box-shadow: 0 14px 35px rgba(250,204,21,0.45);
        }

        .weos-btn-download.primary small {
            color: #111827;
        }

        .weos-btn-download:hover {
            transform: translateY(-1px);
            box-shadow: 0 16px 40px rgba(15,23,42,0.65);
        }

        .weos-hero-safe-tip {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-hero-safe-tip strong {
            color: var(--weos-brand-yellow);
        }

        .weos-hero-visual {
            position: relative;
        }

        .weos-hero-card {
            border-radius: var(--weos-radius-xl);
            padding: 18px 18px 16px;
            background: radial-gradient(circle at top, #020617 0, #020617 35%, #020617 100%);
            border: 1px solid rgba(148,163,184,0.35);
            box-shadow: var(--weos-shadow-soft);
            position: relative;
            overflow: hidden;
        }

        .weos-hero-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .weos-hero-card-app {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .weos-hero-card-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: radial-gradient(circle at 30% 0%, #facc15 0, #f97316 32%, #0f172a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .weos-hero-card-icon span {
            font-size: 15px;
            font-weight: 800;
            color: #020617;
        }

        .weos-hero-card-app-info {
            display: flex;
            flex-direction: column;
        }

        .weos-hero-card-app-info strong {
            font-size: 13px;
        }

        .weos-hero-card-app-info small {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-hero-card-badge {
            font-size: 11px;
            padding: 4px 8px;
            border-radius: var(--weos-radius-full);
            background: rgba(22,163,74,0.18);
            color: #6ee7b7;
            border: 1px solid rgba(34,197,94,0.6);
        }

        .weos-hero-card-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0,1fr));
            gap: 10px;
            margin-bottom: 10px;
        }

        .weos-hero-card-item {
            border-radius: 12px;
            padding: 8px 10px;
            background: rgba(15,23,42,0.9);
            border: 1px solid rgba(55,65,81,0.85);
        }

        .weos-hero-card-item label {
            display: block;
            font-size: 11px;
            color: var(--weos-brand-text-soft);
            margin-bottom: 3px;
        }

        .weos-hero-card-item span {
            font-size: 12px;
        }

        .weos-hero-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-hero-floating-chip {
            right: -6px;
            bottom: -10px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(55,65,81,0.9);
            background: radial-gradient(circle at top left, rgba(250,204,21,0.12), rgba(15,23,42,0.96));
            padding: 6px 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 11px;
            margin-top: 10px;
        }

        .weos-hero-floating-chip i {
            color: var(--weos-brand-yellow);
        }

        /* SECTION 基础布局 */
        section {
            padding: 26px 0;
        }

        section:nth-of-type(odd) {
            background: radial-gradient(circle at top, rgba(15,23,42,0.88), rgba(2,6,23,0.96));
        }

        section:nth-of-type(even) {
            background: radial-gradient(circle at top, rgba(17,24,39,0.9), rgba(2,6,23,0.98));
        }

        .weos-section-header {
            margin-bottom: 18px;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 12px;
        }

        .weos-section-title {
            font-size: 18px;
            margin: 0 0 4px;
        }

        .weos-section-title span {
            color: var(--weos-brand-yellow);
        }

        .weos-section-subtitle {
            font-size: 12px;
            color: var(--weos-brand-text-soft);
            margin: 0;
        }

        .weos-section-more-link {
            font-size: 12px;
            color: var(--weos-brand-text-soft);
        }

        .weos-section-more-link i {
            font-size: 11px;
            margin-left: 3px;
        }

        /* binance 介绍 */
        .weos-about-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
            gap: 18px;
        }

        .weos-card {
            border-radius: var(--weos-radius-lg);
            background: radial-gradient(circle at top left, rgba(15,23,42,0.95), rgba(3,7,18,0.98));
            border: 1px solid rgba(31,41,55,0.9);
            padding: 16px 16px 14px;
        }

        .weos-card img {
            display: block;
            margin: 0 auto;
            max-width: 100%;
            height: auto;
            width: 40%;
        }

        .weos-card-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .weos-card-header i {
            color: var(--weos-brand-yellow);
        }

        .weos-card-header h3 {
            font-size: 15px;
            margin: 0;
        }

        .weos-card-body {
            font-size: 13px;
            color: var(--weos-brand-text-soft);
        }

        .weos-card-body p {
            margin: 0 0 8px;
        }

        .weos-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 6px;
        }

        .weos-badge {
            font-size: 11px;
            padding: 3px 7px;
            border-radius: var(--weos-radius-full);
            background: rgba(31,41,55,0.9);
            border: 1px solid rgba(55,65,81,0.85);
            color: var(--weos-brand-text-soft);
        }

        .weos-badge strong {
            color: var(--weos-brand-yellow);
        }

        .weos-key-stats-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0,1fr));
            gap: 10px;
            margin-top: 6px;
        }

        .weos-key-stat {
            border-radius: 14px;
            padding: 8px 10px;
            background: rgba(15,23,42,0.95);
            border: 1px solid rgba(55,65,81,0.9);
        }

        .weos-key-stat label {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-key-stat strong {
            display: block;
            font-size: 14px;
        }

        .weos-key-stat small {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        /* APP 基本信息 */
        .weos-app-info-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
            gap: 18px;
        }

        .weos-info-table {
            border-radius: var(--weos-radius-lg);
            border: 1px solid rgba(55,65,81,0.9);
            background: rgba(15,23,42,0.98);
            overflow: hidden;
            font-size: 12px;
        }

        .weos-info-table-row {
            display: grid;
            grid-template-columns: 110px minmax(0, 1fr);
            border-bottom: 1px solid rgba(31,41,55,0.9);
        }

        .weos-info-table-row:last-child {
            border-bottom: none;
        }

        .weos-info-table-label {
            padding: 8px 10px;
            background: rgba(15,23,42,0.95);
            color: var(--weos-brand-text-soft);
        }

        .weos-info-table-value {
            padding: 8px 10px;
            color: var(--weos-brand-text);
        }

        .weos-info-table-value strong {
            color: var(--weos-brand-yellow);
        }

        .weos-channel-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }

        .weos-channel-badge {
            font-size: 11px;
            padding: 3px 7px;
            border-radius: var(--weos-radius-full);
            border: 1px dashed rgba(148,163,184,0.8);
            background: rgba(15,23,42,0.9);
            color: var(--weos-brand-text-soft);
        }

        .weos-security-note {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
            margin-top: 6px;
        }

        .weos-security-note strong {
            color: var(--weos-brand-yellow);
        }

        .weos-qr-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0,1fr));
            gap: 8px;
            margin-top: 8px;
        }

        .weos-qr-card {
            border-radius: 12px;
            padding: 8px;
            border: 1px dashed rgba(55,65,81,0.9);
            background: rgba(15,23,42,0.98);
            text-align: center;
        }

        .weos-qr-placeholder {
            width: 80px;
            height: 80px;
            margin: 0 auto 6px;
            border-radius: 12px;
            border: 1px solid rgba(55,65,81,0.9);
            background-image: repeating-linear-gradient(45deg, rgba(148,163,184,0.2) 0, rgba(148,163,184,0.2) 2px, transparent 2px, transparent 4px);
        }

        .weos-qr-card span {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        /* 截图展示 */
        .weos-screenshots-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 10px;
        }

        .weos-screenshot-card {
            border-radius: 16px;
            padding: 8px;
            border: 1px solid rgba(31,41,55,0.9);
            background: radial-gradient(circle at top, rgba(15,23,42,0.95), rgba(3,7,18,1));
        }

        .weos-screenshot-thumb {
            border-radius: 14px;
            border: 1px solid rgba(55,65,81,0.9);
            overflow: hidden;
            aspect-ratio: 9/16;
            background: radial-gradient(circle at top, rgba(15,23,42,1), rgba(3,7,18,1));
        }

        .weos-screenshot-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .weos-screenshot-meta {
            margin-top: 6px;
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        /* 多渠道下载 */
        .weos-download-channels-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0,1fr));
            gap: 12px;
        }

        .weos-download-channel-card {
            border-radius: var(--weos-radius-lg);
            border: 1px solid rgba(55,65,81,0.9);
            background: rgba(15,23,42,0.96);
            padding: 12px;
            font-size: 12px;
        }

        .weos-download-channel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .weos-download-channel-title {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .weos-download-channel-title i {
            color: var(--weos-brand-yellow);
        }

        .weos-download-chip {
            font-size: 10px;
            padding: 2px 7px;
            border-radius: var(--weos-radius-full);
            background: rgba(31,41,55,0.96);
            border: 1px solid rgba(55,65,81,0.9);
            color: var(--weos-brand-text-soft);
        }

        .weos-channel-desc {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
            margin-bottom: 8px;
        }

        .weos-channel-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .weos-channel-link-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 6px 8px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(148,163,184,0.7);
            font-size: 11px;
            cursor: pointer;
        }

        .weos-channel-link-btn.primary {
            border-color: transparent;
            background: linear-gradient(135deg, #facc15, #f97316);
            color: #111827;
        }

        .weos-channel-link-btn i {
            font-size: 11px;
        }

        /* 历史版本 */
        .weos-history-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 12px;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid rgba(55,65,81,0.9);
            background: rgba(15,23,42,0.98);
        }

        .weos-history-table thead {
            background: rgba(17,24,39,0.98);
        }

        .weos-history-table th,
        .weos-history-table td {
            padding: 7px 8px;
            text-align: left;
            border-bottom: 1px solid rgba(31,41,55,0.9);
        }

        .weos-history-table th {
            font-weight: 500;
            color: var(--weos-brand-text-soft);
        }

        .weos-history-table tr:last-child td {
            border-bottom: none;
        }

        .weos-history-tag {
            font-size: 10px;
            padding: 2px 6px;
            border-radius: var(--weos-radius-full);
            background: rgba(31,41,55,0.95);
            color: var(--weos-brand-text-soft);
            border: 1px solid rgba(55,65,81,0.9);
        }

        .weos-history-download-link {
            font-size: 11px;
            color: var(--weos-brand-yellow-light);
        }

        .weos-history-note {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
            margin-top: 6px;
        }

        /* 热门问答 */
        .weos-faq-grid {
            display: grid;
            grid-template-columns: minmax(0,1.2fr) minmax(0,1fr);
            gap: 16px;
        }

        details.weos-faq-item {
            border-radius: 14px;
            border: 1px solid rgba(55,65,81,0.9);
            background: rgba(15,23,42,0.98);
            padding: 8px 10px;
            font-size: 12px;
            margin-bottom: 8px;
        }

        details[open].weos-faq-item {
            border-color: rgba(250,204,21,0.7);
        }

        .weos-faq-item summary {
            list-style: none;
            cursor: pointer;
            font-weight: 500;
            color: #e5e7eb;
        }

        .weos-faq-item summary::-webkit-details-marker {
            display: none;
        }

        .weos-faq-item summary::before {
            content: "Q";
            font-size: 11px;
            margin-right: 6px;
            color: var(--weos-brand-yellow);
        }

        .weos-faq-item p {
            margin: 6px 0 2px;
            color: var(--weos-brand-text-soft);
        }

        .weos-faq-tip {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        /* 官方公告 */
        .weos-ann-list {
            display: grid;
            grid-template-columns: repeat(3, minmax(0,1fr));
            gap: 12px;
        }

        .weos-ann-card {
            border-radius: 16px;
            border: 1px solid rgba(55,65,81,0.9);
            background: radial-gradient(circle at top, rgba(15,23,42,0.98), rgba(3,7,18,1));
            padding: 10px;
            font-size: 12px;
        }

        .weos-ann-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 6px;
        }

        .weos-ann-meta span {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-ann-badge {
            font-size: 10px;
            padding: 2px 6px;
            border-radius: var(--weos-radius-full);
            border: 1px solid rgba(55,65,81,0.9);
            background: rgba(31,41,55,0.96);
            color: var(--weos-brand-yellow-light);
        }

        .weos-ann-title {
            font-weight: 500;
            margin-bottom: 4px;
        }

        .weos-ann-desc {
            font-size: 11px;
            color: var(--weos-brand-text-soft);
        }

        .weos-ann-footer-link {
            margin-top: 6px;
            font-size: 11px;
            color: var(--weos-brand-yellow-light);
        }

        /* 页脚 */
        .weos-footer {
            border-top: 1px solid rgba(31,41,55,0.9);
            background: #020617;
        }

        .weos-footer-inner {
            padding: 14px 0 18px;
            font-size: 11px;
            color: var(--weos-brand-text-soft);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }

        .weos-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .weos-footer-links a {
            color: var(--weos-brand-text-soft);
            font-size: 11px;
        }

        .weos-icp {
            color: var(--weos-brand-text-soft);
        }

        .weos-icp a {
            color: var(--weos-brand-text-soft);
        }

        /* 吸底悬浮广告条 */
        .weos-bottom-ad {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(90deg, #0b0f1a 0%, #111827 100%);
            border-top: 1px solid rgba(249,250,251,0.1);
            padding: 12px 16px;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 -10px 30px rgba(0,0,0,0.4);
            transform: translateY(0);
            transition: transform 0.3s ease;
        }

        .weos-bottom-ad.hidden {
            transform: translateY(100%);
        }

        .weos-bottom-ad-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            gap: 16px;
        }

        .weos-bottom-ad-text {
            flex: 1;
        }

        .weos-bottom-ad-title {
            font-size: 15px;
            font-weight: 600;
            color: #f9fafb;
            margin-bottom: 4px;
        }

        .weos-bottom-ad-subtitle {
            font-size: 12px;
            color: var(--weos-brand-text-soft);
        }

        .weos-bottom-ad-buttons {
            display: flex;
            gap: 12px;
        }

        .weos-bottom-ad-btn {
            padding: 10px 20px;
            border-radius: var(--weos-radius-full);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
            border: none;
        }

        .weos-bottom-ad-btn.download {
            background: linear-gradient(135deg, var(--weos-brand-yellow), #f97316);
            color: #111827;
            box-shadow: 0 5px 15px rgba(250,204,21,0.3);
        }

        .weos-bottom-ad-btn.register {
            background: rgba(249,250,251,0.1);
            color: #f9fafb;
            border: 1px solid rgba(249,250,251,0.2);
        }

        .weos-bottom-ad-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(250,204,21,0.4);
        }

        .weos-bottom-ad-btn.register:hover {
            background: rgba(249,250,251,0.15);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }

        .weos-bottom-ad-close {
            background: transparent;
            border: none;
            color: var(--weos-brand-text-soft);
            font-size: 16px;
            cursor: pointer;
            padding: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            transition: background 0.2s ease;
        }

        .weos-bottom-ad-close:hover {
            background: rgba(249,250,251,0.1);
            color: #f9fafb;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .weos-hero-inner,
            .weos-about-grid,
            .weos-app-info-grid,
            .weos-faq-grid {
                grid-template-columns: minmax(0,1fr);
            }

            .weos-hero {
                padding-top: 24px;
            }

            .weos-ann-list {
                grid-template-columns: repeat(2, minmax(0,1fr));
            }

            .weos-download-channels-grid {
                grid-template-columns: repeat(2, minmax(0,1fr));
            }

            .weos-key-stats-grid {
                grid-template-columns: repeat(2, minmax(0,1fr));
            }
        }

        @media (max-width: 768px) {
            .weos-nav-bar {
                flex-wrap: wrap;
            }

            .weos-nav-links {
                width: 100%;
                justify-content: space-between;
                flex-wrap: wrap;
            }

            .weos-nav-cta {
                width: 100%;
                justify-content: flex-end;
            }

            .weos-hero-title {
                font-size: 24px;
            }

            .weos-hero-subtitle {
                font-size: 12px;
            }

            .weos-screenshots-grid {
                grid-template-columns: repeat(2, minmax(0,1fr));
            }

            .weos-ann-list {
                grid-template-columns: minmax(0,1fr);
            }

            .weos-download-channels-grid {
                grid-template-columns: minmax(0,1fr);
            }

            .weos-key-stats-grid {
                grid-template-columns: repeat(2, minmax(0,1fr));
            }

            .weos-history-table {
                font-size: 11px;
            }

            .weos-info-table-row {
                grid-template-columns: 90px minmax(0,1fr);
            }

            /* 吸底广告条响应式 */
            .weos-bottom-ad-content {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .weos-bottom-ad-buttons {
                width: 100%;
                justify-content: center;
            }

            .weos-bottom-ad-btn {
                padding: 10px 16px;
            }

            .weos-bottom-ad-close {
                position: absolute;
                top: 8px;
                right: 8px;
            }
        }

        @media (max-width: 480px) {
            .weos-screenshots-grid {
                grid-template-columns: minmax(0,1fr);
            }

            .weos-key-stats-grid {
                grid-template-columns: minmax(0,1fr);
            }

            /* 吸底广告条响应式 */
            .weos-bottom-ad-buttons {
                flex-direction: column;
                width: 100%;
            }

            .weos-bottom-ad-btn {
                width: 100%;
                justify-content: center;
            }
        }