/* ============================================================
   基础重置
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #08060d;
    color: #e8e6e3;
    overflow-y: auto;
    overflow-x: hidden;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    min-height: 100dvh;
    position: relative;
}

/* ============================================================
   背景层：固定
   ============================================================ */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: #08060d;
}

#bgBase {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.08);
    animation: bgZoom 20s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes bgZoom {
    0% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

#bgReveal {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
    mask-image: none;
    -webkit-mask-image: none;
}

#maskCanvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: none;
}

/* ============================================================
   内容层
   ============================================================ */
.app-wrapper {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 24px 16px 100px;
    gap: 24px;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    pointer-events: auto;
    min-height: 100vh;
    min-height: 100dvh;
}

/* ============================================================
   品牌面板
   ============================================================ */
.brand-panel {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #e8e6e3;
    padding: 4px 0 0;
}

.coin-wrapper {
    width: 72px;
    height: 72px;
    margin-bottom: 12px;
    perspective: 600px;
    flex-shrink: 0;
}
.coin {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCoin 8s infinite linear;
}
.coin .side {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 50%;
    backface-visibility: hidden;
    box-shadow: 0 0 40px rgba(247, 147, 26, 0.12);
}
.coin .heads { transform: rotateY(0deg); }
.coin .tails { transform: rotateY(180deg); }
.coin .side svg {
    width: 100%;
    height: 100%;
    display: block;
}
@keyframes rotateCoin {
    100% { transform: rotateY(360deg); }
}

.brand-title {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
    line-height: 1.1;
    cursor: default;
    display: inline-block;
}
#scramblePart1 {
    background: linear-gradient(135deg, #f6b83d, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
#scramblePart2 {
    color: #ffffff;
}

.brand-slogan {
    font-size: 13px;
    font-weight: 400;
    opacity: 0.85;
    margin-bottom: 16px;
    max-width: 400px;
    color: #d0c8d8;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.6);
}

.feature-list {
    list-style: none;
    margin: 0 0 16px 0;
    width: 100%;
    max-width: 400px;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 500;
    color: #d6d2d8;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
    justify-content: center;
}
.feature-item i {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.feature-item .fa-shield-alt {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(16, 185, 129, 0.1));
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.2);
}
.feature-item .fa-bolt {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.1));
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.2);
}
.feature-item .fa-headset {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(59, 130, 246, 0.1));
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.2);
}
.feature-item:hover i {
    transform: translateY(-2px) scale(1.05);
}

.trust-icons {
    display: flex;
    gap: 10px;
    margin-top: 2px;
    flex-wrap: wrap;
    justify-content: center;
}
.trust-badge-mini {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    padding: 4px 14px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 11px;
    font-weight: 500;
    color: #c8c2d0;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}
.trust-badge-mini i {
    background: linear-gradient(135deg, #f6b83d, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   卡片 — 超透玻璃
   ============================================================ */
.card-panel {
    width: 100%;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.glass-card {
    width: 100%;
    background: rgba(8, 6, 16, 0.28);
    backdrop-filter: blur(20px) saturate(1.1);
    -webkit-backdrop-filter: blur(20px) saturate(1.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 20px 16px 18px;
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(246, 184, 61, 0.04), transparent 40%, transparent 60%, rgba(130, 170, 255, 0.02));
    z-index: -1;
    pointer-events: none;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.card-header-title {
    font-size: 15px;
    font-weight: 700;
    color: #e8e6e3;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-header-title i {
    background: linear-gradient(135deg, #f6b83d, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 17px;
}
.card-header-badge {
    font-size: 9px;
    font-weight: 600;
    color: #34d399;
    background: rgba(52, 211, 153, 0.08);
    padding: 2px 10px;
    border-radius: 50px;
    border: 1px solid rgba(52, 211, 153, 0.12);
    display: flex;
    align-items: center;
    gap: 4px;
}
.card-header-badge i {
    color: #34d399;
    font-size: 6px;
}

/* ---- 联系网格 ---- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}
.contact-item {
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 10px 4px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    transition: all 0.25s ease;
}
.contact-item:hover {
    border-color: rgba(246, 184, 61, 0.15);
    background: rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}
.contact-item .c-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    margin-bottom: 1px;
}
.contact-item:nth-child(1) .c-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(52, 211, 153, 0.08));
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.15);
}
.contact-item:nth-child(2) .c-icon {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(59, 130, 246, 0.08));
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.15);
}
.contact-item:nth-child(3) .c-icon {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.2), rgba(249, 115, 22, 0.08));
    color: #fb923c;
    border: 1px solid rgba(251, 146, 60, 0.15);
}
.contact-item .c-label {
    font-size: 8px;
    font-weight: 600;
    color: #a8a2b0;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.contact-item .c-value {
    font-size: 11px;
    font-weight: 700;
    color: #ffffff;
    font-family: 'Fira Code', monospace;
    margin-bottom: 3px;
}
.contact-item .c-actions {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 3px;
    flex-wrap: wrap;
}

.btn-copy-primary {
    background: rgba(246, 184, 61, 0.08);
    border: 1px solid rgba(246, 184, 61, 0.12);
    color: #f6b83d;
    padding: 2px 7px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 8px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    line-height: 1.4;
    white-space: nowrap;
    min-height: 24px;
}
.btn-copy-primary i {
    font-size: 8px;
}
.btn-copy-primary:hover {
    background: rgba(246, 184, 61, 0.18);
    border-color: #f6b83d;
    color: #ffffff;
}
.btn-copy-primary.copied {
    background: rgba(52, 211, 153, 0.12);
    border-color: #34d399;
    color: #34d399;
}

.btn-jump-primary {
    background: rgba(130, 170, 255, 0.04);
    border: 1px solid rgba(130, 170, 255, 0.06);
    color: #82aaff;
    padding: 2px 5px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 8px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    text-decoration: none;
    min-height: 24px;
}
.btn-jump-primary:hover {
    background: rgba(130, 170, 255, 0.1);
    border-color: #82aaff;
    color: #ffffff;
}

/* ---- 价格 ---- */
.price-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}
.price-compact-item {
    background: rgba(0, 0, 0, 0.16);
    border-radius: 12px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.2s ease;
}
.price-compact-item:hover {
    border-color: rgba(255, 255, 255, 0.06);
}
.price-compact-label {
    color: #a8a2b0;
    font-size: 9px;
    font-weight: 600;
    margin-bottom: 1px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.price-compact-label .fa-arrow-down { color: #34d399; }
.price-compact-label .fa-arrow-up { color: #f87171; }
.price-compact-value {
    color: #ffffff;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.price-compact-unit {
    color: #a8a2b0;
    font-size: 10px;
    font-weight: 500;
    margin-left: 2px;
}
.price-time {
    color: #5a5266;
    font-size: 7px;
    margin-top: 1px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}
.price-time .dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #34d399;
    animation: pulse-dot 1.5s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* ---- 步骤 ---- */
.steps-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    margin-bottom: 12px;
    padding: 8px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.step-compact-item {
    text-align: center;
    padding: 2px 0;
}
.step-compact-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 4px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all 0.2s ease;
}
.step-compact-item:nth-child(1) .step-compact-icon {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.15), rgba(16, 185, 129, 0.05));
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.12);
}
.step-compact-item:nth-child(2) .step-compact-icon {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.05));
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.12);
}
.step-compact-item:nth-child(3) .step-compact-icon {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15), rgba(59, 130, 246, 0.05));
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.12);
}
.step-compact-item:hover .step-compact-icon {
    transform: translateY(-2px) scale(1.05);
    border-color: rgba(246, 184, 61, 0.2);
}
.step-compact-title {
    color: #e8e6e3;
    font-size: 10px;
    font-weight: 600;
}
.step-compact-desc {
    color: #a8a2b0;
    font-size: 8px;
    font-weight: 400;
}

/* ---- 服务标签 ---- */
.service-support {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.service-tag {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 30px;
    padding: 2px 10px;
    font-size: 9px;
    font-weight: 500;
    color: #b4aeb8;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}
.service-tag i { font-size: 9px; }
.service-tag:nth-child(1) i { color: #34d399; }
.service-tag:nth-child(2) i { color: #60a5fa; }
.service-tag:nth-child(3) i { color: #fbbf24; }
.service-tag:hover {
    border-color: rgba(246, 184, 61, 0.15);
    color: #e8e6e3;
    background: rgba(246, 184, 61, 0.04);
}

/* ---- 行动按钮 ---- */
.action-row {
    display: flex;
    gap: 8px;
}
.btn-primary {
    flex: 1;
    padding: 10px 12px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 13px;
    border: none;
    background: linear-gradient(145deg, #f6b83d, #e6a02a);
    color: #0e0c10;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 4px 16px rgba(246, 184, 61, 0.12);
}
.btn-primary i { color: #0e0c10; }
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(246, 184, 61, 0.2);
    background: linear-gradient(145deg, #fbc44a, #eaa832);
}
.btn-secondary {
    flex: 0.5;
    padding: 10px 8px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.02);
    color: #e8e6e3;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-family: 'Inter', sans-serif;
}
.btn-secondary i { color: #60a5fa; }
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.card-footer-tip {
    margin-top: 10px;
    text-align: center;
    font-size: 9px;
    color: #ffffff;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.7);
}
.card-footer-tip i {
    color: #fbbf24;
    margin-right: 4px;
}

.footer-note {
    text-align: center;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.08);
    font-size: 9px;
    letter-spacing: 0.5px;
}

/* ============================================================
   弹窗
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: #1d1922;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    padding: 32px 28px 28px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.9);
    position: relative;
    animation: slideUp 0.3s ease;
    text-align: center;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.modal-content .close-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: #a8a2b0;
    font-size: 24px;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}
.modal-content .close-btn:hover { color: #ffffff; }
.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}
.modal-sub {
    font-size: 14px;
    color: #a8a2b0;
    margin-bottom: 20px;
}

.qr-code-placeholder {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    background: #ffffff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.qr-code-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.qr-wechat-id {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.04);
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}
.qr-wechat-id span {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    font-family: 'Fira Code', monospace;
}
.qr-wechat-id button {
    background: rgba(246, 184, 61, 0.12);
    border: 1px solid rgba(246, 184, 61, 0.15);
    color: #f6b83d;
    padding: 6px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.qr-wechat-id button:hover {
    background: rgba(246, 184, 61, 0.2);
    border-color: #f6b83d;
    color: #ffffff;
}
.qr-wechat-id button.copied {
    background: rgba(52, 211, 153, 0.15);
    border-color: #34d399;
    color: #34d399;
}
.qr-tip {
    font-size: 12px;
    color: #5a5266;
    margin-top: 8px;
}

.security-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0;
    text-align: left;
}
.security-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 14px;
    padding: 16px 14px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}
.security-item i {
    font-size: 22px;
    margin-bottom: 6px;
    display: block;
}
.security-item:nth-child(1) i { color: #34d399; }
.security-item:nth-child(2) i { color: #fbbf24; }
.security-item:nth-child(3) i { color: #60a5fa; }
.security-item:nth-child(4) i { color: #f472b6; }
.security-item .sec-title {
    font-weight: 600;
    color: #e8e6e3;
    font-size: 14px;
}
.security-item .sec-desc {
    font-size: 12px;
    color: #a8a2b0;
    margin-top: 2px;
}

/* ============================================================
   底部滚动条
   ============================================================ */
.ticker-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    padding: 6px 0;
    background: rgba(10, 8, 16, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    pointer-events: auto;
}
.crypto-ticker-wrapper {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
}
.crypto-ticker {
    display: inline-block;
    animation: scrollTicker 30s linear infinite;
}
.crypto-ticker:hover { animation-play-state: paused; }
.ticker-item {
    display: inline-flex;
    align-items: center;
    margin-right: 24px;
    transition: transform 0.3s ease;
    vertical-align: middle;
}
.ticker-item:hover { transform: scale(1.12); }
.ticker-item img,
.ticker-item svg {
    width: 26px;
    height: 26px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}
.exchange-logo { width: 26px; height: 26px; }
@keyframes scrollTicker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.attribution {
    text-align: center;
    font-size: 7px;
    opacity: 0.12;
    margin-top: 3px;
    color: white;
    letter-spacing: 0.5px;
}

/* ============================================================
   Toast
   ============================================================ */
.toast-message {
    position: fixed;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: #1d1922;
    border: 1px solid #f6b83d;
    color: #e8e6e3;
    padding: 8px 20px;
    border-radius: 12px;
    font-weight: 600;
    z-index: 3000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
}

/* ============================================================
   桌面端适配
   ============================================================ */
@media (min-width: 769px) {
    .app-wrapper {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        padding: 40px 4vw 100px;
        gap: 50px;
        min-height: 100vh;
        min-height: 100dvh;
    }
    .brand-panel {
        flex: 1 1 36%;
        align-items: flex-start;
        text-align: left;
        padding: 0;
        max-width: 44%;
    }
    .brand-slogan { max-width: 300px; }
    .feature-list { max-width: 100%; }
    .feature-item { justify-content: flex-start; }
    .trust-icons { justify-content: flex-start; }
    .card-panel { flex: 1 1 52%; max-width: 600px; }
    .brand-title { font-size: 48px; }
    .coin-wrapper { width: 100px; height: 100px; margin-bottom: 20px; }
    .glass-card {
        padding: 32px 28px 26px;
        background: rgba(8, 6, 16, 0.25);
        backdrop-filter: blur(24px) saturate(1.2);
        -webkit-backdrop-filter: blur(24px) saturate(1.2);
        border-radius: 28px;
    }
    .contact-grid { gap: 12px; }
    .contact-item { padding: 14px 10px; border-radius: 14px; }
    .contact-item .c-value { font-size: 14px; }
    .contact-item .c-icon { width: 40px; height: 40px; font-size: 20px; }
    .btn-copy-primary { font-size: 10px; padding: 3px 10px; min-height: 30px; }
    .btn-jump-primary { font-size: 10px; padding: 3px 8px; min-height: 30px; }
    .price-compact-value { font-size: 24px; }
    .price-compact-item { padding: 10px 14px; }
    .step-compact-icon { width: 42px; height: 42px; font-size: 17px; }
    .service-tag { font-size: 11px; padding: 4px 14px; }
    .btn-primary { font-size: 15px; padding: 14px 18px; }
    .btn-secondary { font-size: 14px; padding: 14px 12px; }
    .card-header-title { font-size: 18px; }
    .card-header-badge { font-size: 10px; padding: 3px 12px; }
    .brand-slogan { font-size: 15px; }
    .feature-item { font-size: 15px; gap: 14px; }
    .feature-item i { width: 40px; height: 40px; font-size: 16px; }
    .trust-badge-mini { font-size: 13px; padding: 6px 18px; }
    .footer-note { font-size: 11px; }
    .card-footer-tip { font-size: 13px; }
    .ticker-item img, .ticker-item svg { width: 32px; height: 32px; }
    .ticker-item { margin-right: 32px; }
}

@media (min-width: 1025px) {
    .app-wrapper { padding: 40px 5vw 100px; gap: 60px; }
    .brand-title { font-size: 56px; }
    .brand-panel { flex: 1 1 34%; }
    .card-panel { flex: 1 1 54%; max-width: 660px; }
    .glass-card { padding: 36px 32px 28px; border-radius: 32px; }
    .coin-wrapper { width: 110px; height: 110px; }
}

/* ============================================================
   滚动条
   ============================================================ */
.app-wrapper::-webkit-scrollbar { width: 4px; }
.app-wrapper::-webkit-scrollbar-track { background: transparent; }
.app-wrapper::-webkit-scrollbar-thumb {
    background: rgba(246, 184, 61, 0.25);
    border-radius: 4px;
}
.app-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(246, 184, 61, 0.4);
}