body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #fafafa;
}
header {
    background: #fff;
    border-bottom: 1px solid #eee;
}
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 40px;
    background: #fff;
}
.logo {
    height: 50px;
}
.hotline-group {
    display: flex;
    align-items: center;
    gap: 18px;
}
.hotline-icon-text {
    display: flex;
    align-items: center;
    gap: 10px;
}
.hotline-icon {
    width: 38px;
    height: 38px;
    display: block;
}
.hotline-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.hotline-support {
    color: #222;
    font-size: 16px;
    font-weight: 400;
}
.hotline-text .phone {
    color: #c97a2b;
    font-size: 20px;
    font-weight: bold;
    margin-top: 2px;
}
.quote-btn {
    background: #c97a2b;
    color: #fff;
    border: none;
    padding: 10px 32px;
    border-radius: 24px;
    cursor: pointer;
    font-weight: 500;
    font-size: 17px;
    margin-left: 10px;
}
.searchbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 12px 0 0 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}
.searchbar select, .searchbar input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
}
.searchbar button {
    background: #c97a2b;
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
}
.breadcrumb {
    padding: 16px 40px;
    color: #c97a2b;
    font-size: 15px;
}
.filter-bar {
    background: #fff;
    margin: 0 40px;
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 2px 8px #0001;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.filter-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.filter-row:last-child {
    margin-bottom: 0;
}
.filter-row span {
    font-weight: bold;
    min-width: 90px;
}
.filter-row button {
    background: #f5f5f5;
    color: #333;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 6px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
}
.filter-row button.active, .filter-row button:hover {
    background: #c97a2b;
    color: #fff;
    border-color: #c97a2b;
}
.project-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    padding: 0 40px 40px 40px;
}
.project-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px #0001;
    width: 350px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}
.project-card:hover {
    box-shadow: 0 4px 16px #0002;
}
.project-card img {
    width: 100%;
    /*height: 200px;*/
    object-fit: cover;
}
.project-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.author {
    display: flex;
    align-items: center;
    gap: 10px;
}
.author img {
    border-radius: 50%;
    width: 40px;
    height: 40px;
}
.project-info button {
    background: #fff7ed;
    color: #c97a2b;
    border: 1px solid #c97a2b;
    border-radius: 20px;
    padding: 6px 18px;
    cursor: pointer;
    align-self: flex-start;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}
.project-info button:hover {
    background: #c97a2b;
    color: #fff;
}
footer {
    background: #fff;
    border-top: 1px solid #eee;
    text-align: center;
    padding: 20px 0;
    color: #888;
    font-size: 15px;
}

/* --- MENU CENTER DESKTOP, HAMBURGER MOBILE --- */
.main-menu {
    background: #fff;
    border-bottom: 1px solid #eee;
}
.main-menu ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0 40px;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
}
.main-menu ul li {
    padding: 0;
}
.main-menu ul li a {
    display: block;
    padding: 14px 10px 14px 10px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.2s, border-bottom 0.2s;
    border-bottom: 2px solid transparent;
}
.main-menu ul li a:hover, .main-menu ul li a.active {
    color: #c97a2b;
    border-bottom: 2px solid #c97a2b;
}
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1002;
}
.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    margin: 4px 0;
    background: #333;
    border-radius: 2px;
    transition: 0.3s;
}
.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 900px) {
    .main-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100vw;
        background: #fff;
        box-shadow: 0 2px 8px #0002;
        z-index: 1001;
        transform: translateY(-120%);
        transition: transform 0.3s;
        padding: 0;
    }
    .main-menu.open {
        transform: translateY(0);
    }
    .main-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 16px 0;
    }
    .main-menu ul li {
        width: 100%;
    }
    .main-menu ul li a {
        width: 100%;
        padding: 16px 24px;
        font-size: 18px;
        border-bottom: 1px solid #eee;
    }
    .main-menu ul li:last-child a {
        border-bottom: none;
    }
    .hamburger {
        display: flex;
    }
    .main-menu {
        display: block;
    }
    .main-menu ul {
        width: 100%;
    }
    .hotline-icon-text { display: none !important; }
    .hotline-group {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }
    .mobile-hotline {
        display: block;
        width: 28px;
        height: 28px;
        margin-right: 6px;
    }
    .hotline-text {
        flex-direction: column;
        align-items: flex-start;
    }
    .desktop-hotline { display: none !important; }
    .quote-btn-link { display: block; }
    .filter-bar {
        margin: 0 0 20px 0;
        border-radius: 0;
        box-shadow: none;
        padding: 0;
        background: #fff;
        overflow-x: auto;
        display: flex;
        flex-direction: row;
        gap: 0;
        width: 100vw;
        min-width: 100vw;
        scrollbar-width: thin;
    }
    .filter-bar-inner {
        display: flex;
        flex-direction: column;
        min-width: 420px;
        width: max-content;
    }
    .filter-row {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        padding: 8px 0 8px 12px;
        background: #fff;
        border-radius: 0;
        margin-bottom: 0;
        border-bottom: 2px solid #e0e0e0;
        scrollbar-width: thin;
    }
    .filter-row:last-child {
        border-bottom: none;
    }
    .filter-row span {
        min-width: 80px;
        font-size: 15px;
        font-weight: 700;
        color: #a97a4a;
        margin-right: 8px;
    }
    .filter-row button {
        white-space: nowrap;
        font-size: 14px;
        border-radius: 16px;
        padding: 6px 16px;
        margin-right: 4px;
        background: #f5f5f5;
        border: 1px solid #eee;
        color: #333;
        transition: background 0.2s, color 0.2s;
    }
    .filter-row button.active, .filter-row button:hover {
        background: #c97a2b;
        color: #fff;
        border-color: #c97a2b;
    }
    .project-list {
        padding: 0 0 40px 0;
        gap: 20px;
    }
    .project-card {
        width: calc(100vw - 20px);
        border-radius: 12px;
        margin: 0 10px;
        box-shadow: 0 2px 8px #0001;
    }
    .project-card img {
        border-radius: 12px 12px 0 0;
    }
}
@media (max-width: 900px) {
    .main-menu {
        border-bottom: none;
    }
    .main-menu ul {
        border-bottom: none;
    }
}
@media (max-width: 900px) {
    .topbar, .main-menu ul, .searchbar {
        padding-left: 10px;
        padding-right: 10px;
    }
    .main-menu ul {
        gap: 10px;
        font-size: 15px;
    }
    .logo {
        height: 38px;
    }
    .hotline-group {
        flex-direction: column;
        align-items: flex-end;
        gap: 8px;
    }
    .hotline-icon {
        width: 28px;
        height: 28px;
    }
    .quote-btn {
        padding: 8px 16px;
        font-size: 15px;
    }
}