/* === style_daisheng.css === */
/* 福州代生 — 餐饮项目开发 专业蓝/海军主题 */

html,
body {
    margin: 0;
    font-size: 100%;
    background: #f0f4f8;
    font-family: 'Lato', 'Microsoft YaHei', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body a {
    text-decoration: none;
    transition: 0.4s all;
    -webkit-transition: 0.4s all;
    -moz-transition: 0.4s all;
    -o-transition: 0.4s all;
    -ms-transition: 0.4s all;
}

a:hover {
    text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    color: #1a2744;
    font-weight: 700;
}

p {
    margin: 0;
    font-size: 15px;
    line-height: 1.9em;
    letter-spacing: 0.5px;
    color: #4a5e6f;
}

li {
    list-style-type: none;
}

ul {
    margin: 0;
    padding: 0;
}

.btn:focus,
.btn.focus {
    outline: 0;
    box-shadow: none;
}

/* ====== Banner ====== */
.ds-banner {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 50%, #2c5f8a 100%);
    padding: 70px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ds-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.ds-banner .container {
    position: relative;
    z-index: 1;
}

.ds-banner h2 {
    color: #ffffff;
    font-size: 38px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ds-banner p {
    color: #b0c4de;
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8em;
}

.ds-banner-divider {
    width: 60px;
    height: 3px;
    background: #4a9eda;
    margin: 20px auto;
    border-radius: 2px;
}

/* ====== Intro Section ====== */
.ds-intro {
    background: #ffffff;
    padding: 55px 0;
    border-bottom: 1px solid #e2e8f0;
}

.ds-intro-text {
    font-size: 16px;
    line-height: 2em;
    color: #3a4f63;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 25px 30px;
    background: #f7fafc;
    border-left: 4px solid #2c5f8a;
    border-radius: 0 6px 6px 0;
}

/* ====== Section Common ====== */
.ds-section {
    padding: 60px 0;
}

.ds-section-white {
    background: #ffffff;
}

.ds-section-light {
    background: #f7fafc;
}

.ds-section-title {
    font-size: 26px;
    color: #1a2744;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.ds-section-subtitle {
    font-size: 15px;
    color: #6b7f92;
    text-align: center;
    margin-bottom: 45px;
}

.ds-section-divider {
    width: 50px;
    height: 3px;
    background: #4a9eda;
    margin: 15px auto 20px;
    border-radius: 2px;
}

/* ====== Service Cards ====== */
.ds-service-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 35px 25px;
    text-align: center;
    margin-bottom: 30px;
    transition: 0.4s all;
    position: relative;
    overflow: hidden;
}

.ds-section-light .ds-service-card {
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(13, 27, 42, 0.06);
}

.ds-service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2c5f8a, #4a9eda);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.ds-service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(13, 27, 42, 0.12);
    border-color: #b0c4de;
}

.ds-service-card:hover::before {
    transform: scaleX(1);
}

.ds-service-icon {
    width: 70px;
    height: 70px;
    line-height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1a2744, #2c5f8a);
    border-radius: 50%;
    text-align: center;
}

.ds-service-icon span.fa {
    font-size: 28px;
    color: #ffffff;
    line-height: 70px;
}

.ds-service-card h4 {
    font-size: 18px;
    color: #1a2744;
    margin-bottom: 15px;
    font-weight: 700;
}

.ds-service-card p {
    font-size: 14px;
    color: #5a6f82;
    line-height: 1.85em;
}

/* ====== Stats Section ====== */
.ds-stats {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
    padding: 60px 0;
    text-align: center;
}

.ds-stats-item {
    padding: 20px 10px;
}

.ds-stats-number {
    font-size: 48px;
    font-weight: 700;
    color: #4a9eda;
    line-height: 1.2;
    letter-spacing: 2px;
}

.ds-stats-number span.plus {
    font-size: 32px;
    color: #6db3e8;
}

.ds-stats-label {
    font-size: 16px;
    color: #b0c4de;
    margin-top: 10px;
    letter-spacing: 1px;
}

.ds-stats-icon {
    margin-bottom: 12px;
}

.ds-stats-icon span.fa {
    font-size: 32px;
    color: #4a9eda;
    opacity: 0.7;
}

/* ====== Summary Section ====== */
.ds-summary {
    background: #ffffff;
    padding: 55px 0;
    border-top: 1px solid #e2e8f0;
}

.ds-summary-text {
    font-size: 15px;
    line-height: 2em;
    color: #3a4f63;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* ====== FAQ Section ====== */
.ds-faq {
    background: #f7fafc;
    padding: 60px 0;
}

.ds-faq-item {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 22px 28px;
    margin-bottom: 18px;
    transition: 0.3s all;
}

.ds-faq-item:hover {
    border-color: #b0c4de;
    box-shadow: 0 4px 15px rgba(13, 27, 42, 0.06);
}

.ds-faq-question {
    font-size: 16px;
    font-weight: 700;
    color: #1a2744;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.ds-faq-question::before {
    content: "Q";
    position: absolute;
    left: 0;
    top: 0;
    color: #4a9eda;
    font-weight: 700;
    font-size: 16px;
}

.ds-faq-answer {
    font-size: 14px;
    color: #5a6f82;
    line-height: 1.9em;
    padding-left: 20px;
}

/* ====== Footer ====== */
.ds-footer {
    background: #0d1b2a;
    padding: 45px 0 0;
}

.ds-footer-title {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.ds-footer-text {
    color: #7a8fa3;
    font-size: 14px;
    line-height: 1.8em;
}

.ds-footer-text-mt {
    margin-top: 15px;
}

.ds-footer-contact {
    color: #8bb8e8;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-top: 10px;
}

.ds-footer-contact span.fa {
    color: #4a9eda;
    margin-right: 8px;
    font-size: 20px;
}

.ds-footer-links {
    margin-top: 20px;
}

.ds-footer-links-mt {
    margin-top: 15px;
}

.ds-footer-links li {
    margin-bottom: 10px;
}

.ds-footer-links li a {
    color: #7a8fa3;
    font-size: 14px;
    transition: 0.3s all;
}

.ds-footer-links li a:hover {
    color: #4a9eda;
    padding-left: 5px;
}

.ds-footer-links li a span.fa {
    margin-right: 6px;
    font-size: 12px;
    color: #4a9eda;
}

.ds-copyright {
    background: #091520;
    padding: 18px 0;
    text-align: center;
    border-top: 1px solid #1b3a5c;
    margin-top: 35px;
}

.ds-copyright p {
    color: #5a6f82;
    font-size: 13px;
    margin: 0;
}

.ds-copyright a {
    color: #7a8fa3;
}

.ds-copyright a:hover {
    color: #4a9eda;
}

/* ====== Responsive ====== */
@media (max-width: 991px) {
    .ds-nav ul.menu {
        display: none;
        flex-direction: column;
        width: 100%;
    }

    .ds-nav ul.menu li a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(176, 196, 222, 0.1);
    }

    .ds-nav #drop:checked ~ ul.menu {
        display: flex;
    }

    .ds-nav .toggle {
        display: block;
    }

    .ds-banner h2 {
        font-size: 28px;
    }

    .ds-stats-number {
        font-size: 38px;
    }
}

@media (max-width: 767px) {
    .ds-logo h1 a {
        font-size: 14px;
    }

    .ds-banner {
        padding: 45px 0 40px;
    }

    .ds-banner h2 {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .ds-section {
        padding: 40px 0;
    }

    .ds-section-title {
        font-size: 22px;
    }

    .ds-service-card {
        padding: 25px 20px;
    }

    .ds-stats-number {
        font-size: 32px;
    }

    .ds-faq-item {
        padding: 18px 20px;
    }
}

@media (max-width: 480px) {
    .ds-banner h2 {
        font-size: 20px;
    }

    .ds-banner p {
        font-size: 14px;
    }

    .ds-intro-text {
        font-size: 14px;
        padding: 18px 15px;
    }

    .ds-stats-number {
        font-size: 28px;
    }
}