* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    font-size: 14px;
    color: #333;
}

.main-container {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 560px;
    overflow: hidden;
    padding: 20px;
    margin-bottom: 16px;
}

.header {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.header h2 {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.sub-title {
    color: #666;
    font-size: 13px;
    margin-bottom: 16px;
}

.btn-highlight {
    background: linear-gradient(to right, #FF7800, #FF5000);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(255, 120, 0, 0.2);
    transition: all 0.3s;
}

.btn-highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 120, 0, 0.3);
}

.link-parser {
    margin-bottom: 20px;
    background: #f8f9fa;
    padding: 16px;
    border-radius: 14px;
}

#pasteBox {
    width: 100%;
    padding: 14px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
    outline: none;
    margin-bottom: 14px;
    background: white;
}

#pasteBox:focus {
    border-color: #4a86e8;
    box-shadow: 0 0 0 3px rgba(74, 134, 232, 0.2);
}

#pasteBox::placeholder {
    color: #adb5bd;
}

.btn-group {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    margin-bottom: 14px;
    justify-content: space-between;
}

.btn {
    padding: 14px 7px;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: all 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* 粘贴按钮 - 蓝色 */
.btn-paste {
    background: linear-gradient(to right, #5bc8fa, #40bef8);
    color: white;
}

/* Go 跳转领券按钮 - 绿色 */
.btn-go {
    background: linear-gradient(to right, #4a86e8, #2575fc);
    color: white;
}

/* 清空按钮 - 红色 */
.btn-clear {
    background: linear-gradient(to right, #f44878, #f9215e);
    color: white;
}

/* 主页按钮 - 橙色 */
.btn-home {
    background: linear-gradient(to right, #3eca61, #3eca61);
    color: white;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 15px;
    margin-top: 8px;
}

.input-note {
    text-align: center;
    color: #666;
    font-size: 12px;
    margin-top: 10px;
}

.coupon-panel {
    margin-bottom: 14px;
    border: 1px solid #e9ecef;
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
}

.coupon-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: #fff;
    cursor: pointer;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
    font-size: 15px;
}

.coupon-panel-header:hover {
    background: #f8f9fa;
}

.coupon-panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title-bar {
    display: inline-block;
    width: 4px;
    height: 18px;
    border-radius: 4px;
}

/* 美团外卖 - 蓝色 */
.panel-title-bar.meituan-blue { 
    background: linear-gradient(to bottom, #5bc8fa, #40bef8); 
}

/* 大众点评 - 红色 */
.panel-title-bar.dianping-red { 
    background: linear-gradient(to bottom, #f44878, #f9215e); 
}

/* 京东外卖 - 红色 */
.panel-title-bar.jd-red { 
    background: linear-gradient(to bottom, #f44878, #f9215e); 
}

/* 淘宝闪购 - 橙色 */
.panel-title-bar.taobao-orange { 
    background: linear-gradient(to bottom, #ff9500, #ff5e3a); 
}

/* 打车领券 - 绿色 */
.panel-title-bar.taxi-green { 
    background: linear-gradient(to bottom, #3eca61, #3eca61); 
}

/* 其他服务 - 灰色 */
.panel-title-bar.other-gray { 
    background: linear-gradient(to bottom, #6c757d, #5a6268); 
}

.panel-icon {
    transition: transform 0.3s ease;
    font-size: 13px;
    color: #666;
}

.coupon-panel-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 14px;
    background: white;
    transition: max-height 0.4s ease, padding 0.4s ease;
    border-top: 1px solid #f0f0f0;
}

.coupon-panel-content.expanded {
    max-height: 2000px;
    padding: 14px;
}

.panel-icon.expanded {
    transform: rotate(180deg);
}

.coupon-card {
    background: white;
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 14px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
    border: 1px solid #eee;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.coupon-card:last-child {
    margin-bottom: 0;
}

.coupon-panel-content.expanded .coupon-card {
    opacity: 1;
    transform: translateY(0);
}

.coupon-card:nth-child(1) { transition-delay: 0.1s; }
.coupon-card:nth-child(2) { transition-delay: 0.2s; }
.coupon-card:nth-child(3) { transition-delay: 0.3s; }

.coupon-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.coupon-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 11px;
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: white;
}

.coupon-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: nowrap;
    justify-content: center;
}

.btn-direct { background: linear-gradient(to right, #5bc8fa, #40bef8); color: white; font-size: 13px; padding: 10px 8px; flex: 1; border-radius: 8px; }
.btn-code { background: linear-gradient(to right, #3eca61, #3eca61); color: white; font-size: 13px; padding: 10px 8px; flex: 1; border-radius: 8px; }
.btn-copy { background: linear-gradient(to right, #1a8fe3, #2d68ff); color: white; font-size: 13px; padding: 10px 8px; flex: 1; border-radius: 8px; }
.btn-dianping { background: linear-gradient(to right, #f44878, #f9215e); color: white; border-radius: 8px; }
.btn-jd { background: linear-gradient(to right, #f44878, #f9215e); color: white; border-radius: 8px; }
.btn-jintie { background: linear-gradient(to right, #2d68ff, #1a8fe3); color: white; font-size: 13px; padding: 10px 8px; flex: 1; border-radius: 8px; }

.coupon-text {
    padding: 10px;
    border: 1px dashed #ddd;
    border-radius: 6px;
    font-size: 12px;
    background-color: #f9f9f9;
    color: #555;
    margin-bottom: 10px;
    word-break: break-all;
    text-align: center;
}

.note { color: #666; font-size: 11px; text-align: center; line-height: 1.4; }
.service-group { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

#other-services-content .service-group {
    grid-template-columns: 1fr;
}

.btn-didi { background: linear-gradient(to right, #ff7e5f, #feb47b); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-t3 { background: linear-gradient(to right, #9c27b0, #673ab7); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-hxz { background: linear-gradient(to right, #ff9500, #ff5e3a); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-tc { background: linear-gradient(to right, #00b894, #00a085); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-meituan-flight { background: linear-gradient(to right, #1a8fe3, #2d68ff); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-meituan-train { background: linear-gradient(to right, #6c5ce7, #a29bfe); color: white; font-size: 13px; padding: 10px 8px; border-radius: 8px; }
.btn-flow { 
    background: linear-gradient(to right, #ff5000, #ff6a00); 
    color: white; 
    font-size: 13px; 
    padding: 10px 8px; 
    border-radius: 8px;
    width: 100%;
    grid-column: 1 / -1;
}

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); align-items: center; justify-content: center; }
.modal-content { background-color: white; padding: 20px; border-radius: 16px; width: 90%; max-width: 280px; text-align: center; position: relative; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); }
.close { position: absolute; top: 10px; right: 14px; font-size: 22px; font-weight: bold; cursor: pointer; color: #999; transition: color 0.3s ease; }
.close:hover { color: #333; }
.qr-code { margin: 14px 0; padding: 10px; background: white; border-radius: 10px; display: inline-block; }
.qr-code img { width: 100%; max-width: 180px; height: auto; border-radius: 6px; }
.toast { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: rgba(0, 0, 0, 0.8); color: white; padding: 14px 18px; border-radius: 8px; z-index: 1001; display: none; font-size: 13px; }
.toast.show { display: block; }
.loading { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 50%; border-top-color: white; animation: spin 1s linear infinite; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

.tag {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(to right, #FF7800, #FF5000);
    color: white;
    font-size: 11px;
    padding: 3px 6px;
    border-radius: 3px;
    font-weight: bold;
}

@media (max-width: 768px) {
    body { padding: 10px; font-size: 13px; }
    .main-container { padding: 16px; border-radius: 14px; }
    .btn-group { flex-direction: row; flex-wrap: nowrap; }
    .btn { font-size: 12px; padding: 10px 8px; }
    .btn i { margin-right: 3px; font-size: 11px; }
    .header h2 { font-size: 20px; }
    .coupon-panel-header { font-size: 14px; padding: 14px 16px; }
    .coupon-title { font-size: 14px; }
    .coupon-actions { flex-wrap: nowrap; }
}

@media (max-width: 480px) {
    body { padding: 8px; }
    .main-container { padding: 14px; }
    .btn-group { flex-wrap: nowrap; }
    .btn { min-width: calc(33.333% - 6px); font-size: 11px; padding: 10px 6px; }
    .btn-home { font-size: 12px; padding: 10px; }
    .header h2 { font-size: 18px; }
    .coupon-panel-content.expanded { max-height: 2000px; padding: 12px; }
    .service-group { grid-template-columns: 1fr 1fr; }
    #other-services-content .service-group { grid-template-columns: 1fr; }
    .coupon-card { padding: 12px; }
    .coupon-actions { flex-wrap: nowrap; }
    .btn-direct, .btn-code, .btn-copy { font-size: 11px; padding: 8px 4px; }
}

@media (max-width: 360px) {
    .btn { font-size: 10px; padding: 8px 4px; }
    .btn i { display: none; }
    .btn-home i { display: inline-block; }
    .header h2 { font-size: 16px; }
    .coupon-panel-header { font-size: 13px; }
    .coupon-title { font-size: 13px; }
    .coupon-actions { flex-wrap: nowrap; }
    .btn-direct, .btn-code, .btn-copy { font-size: 10px; padding: 8px 2px; }
}