.sticker1-love-shape {
    display: block;
    background-image: url('../imagefile/imagefile.bookingpage/sticker1-love-shape.png');
    background-repeat: no-repeat;
    background-size: 150px;
    background-position: right top;
    padding: 70px;
    position: absolute;
    right: 45px;
}

#flex-container-booking {
    background-color: #6B51B1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
    flex-direction: column;
    align-items: center;
    padding: 55px;
}





.collaboration-header {
    text-align: center;
}

.collaboration-header h1 {
    font-size: 50px;
    color: #FEE273;
    text-shadow: 2px 5px #00000033;
    margin-bottom: 20px;
    font-family: "Cherry Bomb One", cursive;
}

.collaboration-header p {
    font-size: 16px;
    color: white;
    max-width: 900px;
    margin: 0 auto 40px;
    font-family: 'Poppins', sans-serif;
}

.collaboration-section {
    display: flex;
    text-align: center;
    flex-wrap: wrap;
    background-color: white;
    width: 90%;
    height: auto;
    gap: 50px;
    padding: 40px;
    border-radius: 20px;
    flex-direction: row;
    justify-content: space-evenly;
}

.form-left {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: center;
}

.form-left form {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 400px;
    height: auto;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.form-left input[type="text"],
.form-left input[type="email"] {
    padding: 15px;
    border: 1px solid #000000;
    border-radius: 12px;
    font-size: 16px;
    width: 85%;
    height: auto;
}

.form-left input::placeholder {
    color: #B0B0B0;
    font-size: 16px;
}

.form-right {
    display: flex;
    gap: 30px;
    flex-direction: column;
    flex-wrap: wrap;
}

.students-number,
.collaboration-type {
    border: 1px solid #000000;
    border-radius: 12px;
    padding: 20px;
    text-align: left;
}

p.section-title {
    font-weight: 500;
    margin: 0;
    margin-bottom: 20px;
    font-size: 18px;
    font-family: Poppins, sans-serif;
    color: black;
}

.form-right label {
    font-size: 16px;
    margin-left: 8px;
    color: #000000;
    font-family: 'Poppins', sans-serif;
}

.form-right input[type="radio"] {
    margin-bottom: 12px;
}






#calendar-box-background {
    background-color: #6B51B1;
    display: flex;
    padding: 30px 30px 80px;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: center;
}

.page-container p {
    font-size: 20px;
    font-weight: bold;
    color: white;
    font-family: poppins, sans-serif;
    margin-bottom: 10px;
    display: flex;
    justify-content: flex-start;
}

.calendar-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    width: 130%;
    height: auto;
    display: flex;
    gap: 50px;
    align-content: center;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    flex-direction: row;
}

.page-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
}


.month-selector {
    display: flex;
    justify-content: center;
}

.month-selector button {
    background: #FBAED2;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    color: white;
    cursor: pointer;
}

.month-selector input[type="month"] {
    border: none;
    background: none;
    font-size: 20px;
    font-weight: bold;
    font-family: poppins;
    text-align: center;
    margin: 0 20px;
    outline: none;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    list-style: none;
    padding: 20px;
    gap: 20px;
    margin-top: 60px;
}

.days {
    align-items: center;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    list-style: none;
    justify-items: stretch;
    align-content: center;
}

.weekdays li,
.days li {
    width: 14.28%;
    text-align: center;
    margin-bottom: 10px;
}

.weekdays li {
    font-weight: bold;
    font-size: 18px;
    color: #333;
    font-family: poppins;
}

.days li {
    font-size: 16px;
    color: #ccc;
    font-family: poppins;
}

.days li.selected {
    background: #68D2C5;
    color: white;
    width: 30px;
    height: 30px;
    line-height: 30px;
    border-radius: 50%;
}

.calendar-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-wrap: wrap;
}

.selected-date {
    font-size: 16px;
    font-weight: bold;
    font-family: Poppins, sans-serif;
}

.time-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.time-button {
    padding: 10px 20px;
    border: 1px solid black;
    background: white;
    font-size: 16px;
    border-radius: 10px;
    cursor: pointer;
    font-family: poppins;
    text-align: center;
}

.time-button.active {
    background: black;
    color: white;
}

.time-radio {
    display: none;
}

.time-radio:checked+.time-button {
    background: black;
    color: white;
    border-color: black;
}

.confirm-button {
    font-family: Poppins, sans-serif;
    margin-top: 20px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 30px;
    background: #68D2C5;
    color: white;
    border: none;
    font-size: 18px;
    left: 90px;
    position: relative;
}


.confirm-button:hover {
    background: black;
    color: #68D2C5;
    cursor: pointer;
}


.sticker2-toothpaste {
    display: block;
    background-image: url("../imagefile/imagefile.bookingpage/sticker2-toothpaste.png");
    background-repeat: no-repeat;
    background-size: 150px;
    background-position: left top;
    padding: 70px;
    position: absolute;
    left: 45px;
}


@media (max-width: 1218px) {

    .nav {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    /* 强制 logo（第一个 div）显示在最上面 */
    .nav>div:first-child {
        order: 0;
    }

    #search {
        width: 20%;
        margin-top: 10px;
    }

    #menu {
        order: 0;
        width: auto;
        align-items: center;
    }
}

@media (max-width: 1046px) {

    .confirm-button {
        left: 40px;
    }
}



/*mobile hamburger*/
@media (max-width: 945px) {

    h1 {
        font-size: 60px;
    }

    #flex-container {
        display: none;
    }

    .nav {
        display: none;
    }

    /* show mobile  */
    .navbar-mobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px;
        margin-bottom: 40px;
    }


    .menu-toggle-checkbox {
        display: none;
    }

    /* show menu */
    .menu-toggle-checkbox:checked~.menu-mobile {
        display: flex;
        flex-direction: column;
        background: pink;
        position: fixed;
        top: 0;
        left: 0;
        width: 50%;
        height: 100%;
        padding-top: 5rem;
        padding-left: 50px;
        z-index: 1000;
        gap: 30px;
        align-items: flex-start;
        font-family: "Cherry Bomb One", cursive;
    }

    .close-btn {
        font-size: 50px;
        color: #6b51b1;
        position: absolute;
        top: 10px;
        left: 40px;
        cursor: pointer;
        font-family: poppins;
    }

    .menu-item-mobile {
        color: #6b51b1;
        font-size: 32px;
        margin: 20px 0;
        padding: 0px 13px 0px 0px;
        cursor: pointer;
        text-align: center;
        text-decoration: none;
    }

    .menu-item-mobile:hover {
        color: white;
        text-decoration: underline;
        text-underline-offset: 7px;
    }


    .submenu-mobile {
        display: none;
        flex-direction: column;
    }

    .submenu-mobile a {
        color: #f96d4a;
        font-size: 20px;
        padding: 8px 0;
        text-decoration: none;
    }

    .submenu-toggle {
        display: none;
    }

    .submenu-toggle:checked+.menu-item-mobile+.submenu-mobile {
        display: flex;
        gap: 50px;
        flex-direction: row;
        font-family: Poppins, sans-serif;
        margin-top: -40px;
        font-weight: 600;
    }


    .menu-toggle-btn {
        font-size: 45px;
        color: #6B51B1;
        cursor: pointer;
    }

    .search-btn {
        font-size: 30px;
        color: #6B51B1;
        cursor: pointer;
    }

    .sticker1-love-shape {
        background-size: 130px;
    }
}

@media (max-width: 889px) {
    .sticker1-love-shape {
        background-size: 120px;
        right: 5px;
    }


    .sticker2-toothpaste {

        background-size: 110px;
        margin-top: 20px;
        left: 20px;
    }
}


@media (max-width: 870px) {
    .confirm-button {
        left: 0px;
    }

    .sticker2-toothpaste {
        background-size: 110px;
    }

}

@media (max-width: 688px) {


    .menu-item-mobile {
        font-size: 20px;
    }

    .menu-toggle-checkbox:checked~.menu-mobile {
        gap: 10px;
    }

    .close-btn {
        font-size: 40px;
        top: 20px;
    }

    .submenu-toggle:checked+.menu-item-mobile+.submenu-mobile {
        display: flex;
        gap: 10px;
        flex-direction: column;

        margin-top: -20px;
    }

    .submenu-mobile a {
        font-size: 12px;
        padding: 0px;
    }
}


@media (max-width: 440px) {
    .nav {
        display: none;
    }


    /* Show Mobile  */
    .navbar-mobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px;
    }


    .menu-toggle-checkbox {
        display: none;
    }

    /* show menu */
    .menu-toggle-checkbox:checked~.menu-mobile {
        display: flex;
        flex-direction: column;
        background: pink;
        position: fixed;
        top: 0;
        left: 0;
        width: 50%;
        height: 100%;
        padding-top: 5rem;
        padding-left: 50px;
        z-index: 1000;
        gap: 0;
        align-items: flex-start;
        font-family: "Cherry Bomb One", cursive;
    }

    .close-btn {
        font-size: 40px;
        color: #6b51b1;
        position: absolute;
        top: 21px;
        left: 40px;
        cursor: pointer;
        font-family: poppins;
    }

    .menu-item-mobile {
        color: #6b51b1;
        font-size: 20px;
        margin: 20px 0;
        padding: 0px 13px 0px 0px;
        cursor: pointer;
        text-align: center;
        text-decoration: none;
    }

    .menu-item-mobile:hover {
        color: white;
        text-decoration: underline;
        text-underline-offset: 7px;
    }


    .submenu-mobile {
        display: none;
        flex-direction: column;
    }

    .submenu-mobile a {
        color: #f96d4a;
        font-size: 12px;
        text-decoration: none;
    }

    .submenu-toggle {
        display: none;
    }

    .submenu-toggle:checked+.menu-item-mobile+.submenu-mobile {
        display: flex;
        gap: 12px;
        flex-direction: row;
        font-family: Poppins, sans-serif;
        padding-top: 10px;
        padding-bottom: 20px;
        font-weight: 500;
        flex-direction: column;
    }

    .navbar-mobile img {
        width: 50px;
    }



    .menu-toggle-btn {
        font-size: 30px;
        color: #6B51B1;
        cursor: pointer;
    }

    .search-btn {
        font-size: 20px;
        color: #6B51B1;
        cursor: pointer;
    }

    /*foteer*/
    .contact h6 {
        font-size: 40px;
    }

    .contact p {
        margin-bottom: 10px;
    }

    .contact-card1,
    .contact-card2 {
        width: 100px;
        height: 100px;
    }

    .contact-card1 p img {
        width: 80%;
        margin-top: 0;
    }

    .contact-card2 p img {
        width: 80%;
        margin-top: 0;
    }


    .footer {
        padding: 20px 20px 10px;
    }

    .footer-logo {
        width: 50px;
    }

    .footer-nav a {
        font-size: 25px;
    }

    .footer p {
        padding-bottom: 0;
    }

    h1 {
        font-size: 35px;
    }


    .form-left form {
        width: 300px;
    }


    #calendar-box-background {
        background-color: #6B51B1;
        display: flex;
        padding: 50px;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        flex-wrap: wrap;
        align-content: center;
    }

    .page-container {
        display: flex;
        flex-direction: row;
        align-items: center;

        flex-wrap: wrap;
        justify-content: center;
    }

    .form-left form {
        width: 200px;
        gap: 15px;
    }


    .collaboration-section {
        width: 100%;
    }

    .page-container {
        display: flex;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        justify-content: center;
    }

    #calendar-box-background {
        background-color: #6B51B1;
        display: flex;
        padding: 30px 20px 80px;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        flex-wrap: wrap;
        align-content: center;
    }

    .month-selector input[type="month"] {
        margin: 0 10px;
    }

    .calendar-card {
        width: 70%;
        justify-content: center;
    }

    .month-selector button {
        width: 10%;
        height: auto;
    }

    .month-selector input[type="month"] {
        margin: 0;
        font-size: 15px;
    }

    .weekdays {
        margin-top: 10px;
        gap: 10px;
    }

    .weekdays li {
        font-size: 12px;
    }

    .days {
        padding: 30px;
        gap: 10px;
    }

    .sticker2-toothpaste {
        background-size: 70px;
        top: 295%;
    }

}





@media (max-width: 390px) {
    h1 {
        font-size: 30px;
    }


    .sticker2-toothpaste {
        top: 290%;
        background-size: 50px;
    }




    .contact-card-group {
        gap: 30px;
    }


}