/* =========================
   基础设置
========================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #403838;
    font-family:
        "Microsoft YaHei",
        "PingFang SC",
        "Hiragino Sans GB",
        Arial,
        sans-serif;
    line-height: 1.8;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
a {
    font: inherit;
}

button {
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: calc(100% - 40px);
    max-width: 1180px;
    margin: 0 auto;
}

.section {
    padding: 90px 0;
}

/* =========================
   顶部导航
========================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #f1dfdf;
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-mark {
    width: 43px;
    height: 43px;
    flex: 0 0 43px;
    border-radius: 13px;
    background: #f5cece;
    color: #855f61;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}

.brand-text strong {
    color: #403838;
    font-size: 17px;
    letter-spacing: 1px;
}

.brand-text small {
    margin-top: 3px;
    color: #9b8787;
    font-size: 11px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    position: relative;
    padding: 9px 16px;
    border-radius: 20px;
    color: #655858;
    font-size: 14px;
    transition:
        background 0.25s ease,
        color 0.25s ease;
}

.main-nav a:hover {
    background: #fdf0f0;
    color: #9d6c6f;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 8px;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background: #755f60;
    transition: 0.25s ease;
}

/* =========================
   顶部图片
========================= */

.top-images {
    background: #ffffff;
    padding: 0;
}

.image-stack {
    width: 100%;
    max-width: 1280px;
}

.top-image-item {
    width: 100%;
    margin: 0;
    overflow: hidden;
    background: #f8eeee;
}

.top-image-item + .top-image-item {
    margin-top: 0;
}

.top-image-item img {
    width: 100%;
    max-width: 1280px;
    height: auto;
    display: block;
}

/* =========================
   标题系统
========================= */

.section-heading {
    max-width: 760px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-label {
    display: inline-block;
    margin-bottom: 10px;
    color: #bd8588;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    line-height: 1.4;
}

.section-heading h2 {
    margin: 0;
    color: #3d3535;
    font-size: clamp(28px, 4vw, 38px);
    line-height: 1.35;
    letter-spacing: 1px;
}

.section-heading p {
    margin: 17px 0 0;
    color: #8b7b7b;
    font-size: 15px;
    line-height: 1.9;
}

/* =========================
   咨询联系
========================= */

.contact-section {
    padding-top: 78px;
    background: #fffafa;
}

.contact-card {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 50px;
    padding: 48px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 24px;
    box-shadow: 0 16px 45px rgba(130, 91, 91, 0.07);
}

.contact-info {
    min-width: 0;
}

.contact-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.title-line {
    width: 5px;
    height: 25px;
    flex: 0 0 5px;
    border-radius: 5px;
    background: #f5cece;
}

.contact-title h3 {
    margin: 0;
    color: #493e3e;
    font-size: 23px;
}

.contact-description {
    max-width: 690px;
    margin: 0 0 27px;
    color: #807272;
    font-size: 14px;
    line-height: 1.95;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-item {
    min-height: 70px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: #fff8f8;
    border: 1px solid #f4e3e3;
    border-radius: 14px;
}

.contact-icon {
    width: 43px;
    height: 43px;
    flex: 0 0 43px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #f5cece;
    color: #835e60;
    font-size: 16px;
    font-weight: 700;
}

.contact-item div {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.contact-item small {
    color: #a28f8f;
    font-size: 12px;
}

.contact-item strong {
    margin-top: 2px;
    color: #4b3d3e;
    font-size: 17px;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.qr-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    text-align: center;
}

.qr-box {
    width: 230px;
    height: 230px;
    padding: 10px;
    background: #ffffff;
    border: 1px solid #eadada;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(110, 79, 79, 0.08);
}

.qr-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-area p {
    margin: 15px 0 0;
    color: #594949;
    font-size: 15px;
    font-weight: 600;
}

.qr-area span {
    margin-top: 2px;
    color: #aa9898;
    font-size: 12px;
}

/* =========================
   网站介绍
========================= */

.intro-section {
    background: #ffffff;
}

.intro-content {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.8fr);
    gap: 55px;
    align-items: start;
}

.intro-main {
    min-width: 0;
}

.intro-main p {
    margin: 0 0 20px;
    color: #665959;
    font-size: 15px;
    line-height: 2;
}

.intro-main p:last-child {
    margin-bottom: 0;
}

.intro-points {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.point-card {
    padding: 23px 24px;
    background: #fff8f8;
    border: 1px solid #f1dddd;
    border-radius: 17px;
}

.point-card span {
    display: block;
    margin-bottom: 7px;
    color: #c28c8f;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.point-card h3 {
    margin: 0 0 7px;
    color: #4a3d3d;
    font-size: 17px;
}

.point-card p {
    margin: 0;
    color: #8a7979;
    font-size: 13px;
    line-height: 1.8;
}

/* =========================
   分类卡片
========================= */

.category-section {
    background: #fffafa;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.category-card {
    position: relative;
    min-width: 0;
    padding: 34px 30px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 20px;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease;
    overflow: hidden;
}

.category-card::after {
    content: "";
    position: absolute;
    right: -45px;
    bottom: -45px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: #fff1f1;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 38px rgba(124, 87, 87, 0.08);
}

.category-number {
    margin-bottom: 22px;
    color: #d09b9d;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
}

.category-card h3 {
    position: relative;
    z-index: 1;
    margin: 0 0 13px;
    color: #493d3d;
    font-size: 22px;
}

.category-card p {
    position: relative;
    z-index: 1;
    margin: 0 0 23px;
    color: #887878;
    font-size: 14px;
    line-height: 1.9;
}

.category-card a {
    position: relative;
    z-index: 1;
    display: inline-block;
    padding: 7px 15px;
    border-radius: 20px;
    background: #f9e4e4;
    color: #966b6e;
    font-size: 13px;
}

/* =========================
   三代试管
========================= */

.third-section {
    background: #ffffff;
}

.third-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
    gap: 65px;
    align-items: start;
}

.third-text p {
    margin: 0 0 20px;
    color: #665959;
    font-size: 15px;
    line-height: 2;
}

.notice-box {
    margin-top: 28px;
    padding: 23px 25px;
    border-left: 4px solid #f0bfc0;
    background: #fff7f7;
    border-radius: 0 14px 14px 0;
}

.notice-box strong {
    display: block;
    margin-bottom: 5px;
    color: #815e60;
    font-size: 15px;
}

.notice-box p {
    margin: 0;
    color: #897777;
    font-size: 13px;
    line-height: 1.8;
}

.step-list {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 19px;
    background: #fffafa;
    border: 1px solid #f1dfdf;
    border-radius: 15px;
}

.step-item > span {
    width: 37px;
    height: 37px;
    flex: 0 0 37px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #f5cece;
    color: #815d5f;
    font-size: 11px;
    font-weight: 700;
}

.step-item h3 {
    margin: 0 0 3px;
    color: #514343;
    font-size: 16px;
}

.step-item p {
    margin: 0;
    color: #938282;
    font-size: 13px;
    line-height: 1.7;
}

/* =========================
   试管婴儿
========================= */

.ivf-section {
    background: #fffafa;
}

.ivf-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.ivf-card {
    min-width: 0;
    padding: 27px 25px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 17px;
}

.ivf-card > span {
    display: block;
    margin-bottom: 12px;
    color: #cb9698;
    font-size: 12px;
    font-weight: 700;
}

.ivf-card h3 {
    margin: 0 0 10px;
    color: #4d4040;
    font-size: 18px;
}

.ivf-card p {
    margin: 0;
    color: #887878;
    font-size: 13px;
    line-height: 1.85;
}

.ivf-bottom {
    margin-top: 22px;
    padding: 28px 30px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 18px;
}

.ivf-bottom h3 {
    margin: 0 0 8px;
    color: #514242;
    font-size: 19px;
}

.ivf-bottom p {
    margin: 0;
    color: #817070;
    font-size: 14px;
    line-height: 1.9;
}

/* =========================
   特殊话题
========================= */

.special-section {
    background: #ffffff;
}

.special-box {
    max-width: 950px;
    margin: 0 auto;
    padding: 35px 40px;
    background: #fff8f8;
    border: 1px solid #f0dede;
    border-radius: 20px;
}

.special-box p {
    margin: 0 0 17px;
    color: #6e5f5f;
    font-size: 14px;
    line-height: 2;
}

.special-box p:last-child {
    margin-bottom: 0;
}

/* =========================
   机构概况
========================= */

.about-section {
    background: #fffafa;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.8fr);
    gap: 55px;
    align-items: start;
}

.about-intro {
    min-width: 0;
}

.about-intro h3 {
    margin: 0 0 20px;
    color: #4b3e3e;
    font-size: 24px;
}

.about-intro p {
    margin: 0 0 19px;
    color: #6f6060;
    font-size: 14px;
    line-height: 2;
}

.about-intro p:last-child {
    margin-bottom: 0;
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.about-item {
    padding: 18px 20px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 14px;
}

.about-item strong {
    display: block;
    margin-bottom: 3px;
    color: #554747;
    font-size: 15px;
}

.about-item span {
    color: #958383;
    font-size: 13px;
}

/* =========================
   FAQ
========================= */

.faq-section {
    background: #ffffff;
}

.faq-list {
    max-width: 920px;
    margin: 0 auto;
    border-top: 1px solid #eadada;
}

.faq-item {
    border-bottom: 1px solid #eadada;
}

.faq-question {
    width: 100%;
    min-height: 70px;
    padding: 18px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: transparent;
    color: #504242;
    text-align: left;
    cursor: pointer;
}

.faq-question span {
    font-size: 15px;
    font-weight: 600;
}

.faq-question b {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #f9e7e7;
    color: #a47476;
    font-size: 18px;
    font-weight: 400;
    transition: transform 0.25s ease;
}

.faq-item.active .faq-question b {
    transform: rotate(45deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.25s ease;
}

.faq-answer p {
    min-height: 0;
    overflow: hidden;
    margin: 0;
    color: #8a7a7a;
    font-size: 14px;
    line-height: 1.9;
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}

.faq-item.active .faq-answer p {
    padding: 0 42px 23px 4px;
}

/* =========================
   底部联系
========================= */

.bottom-contact {
    padding-top: 30px;
    background: #fffafa;
}

.bottom-contact-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 40px;
    align-items: center;
    padding: 45px;
    background: #ffffff;
    border: 1px solid #f0dddd;
    border-radius: 22px;
}

.bottom-contact-card h2 {
    max-width: 650px;
    margin: 0;
    color: #443838;
    font-size: 28px;
    line-height: 1.4;
}

.bottom-contact-card p {
    max-width: 680px;
    margin: 13px 0 20px;
    color: #887777;
    font-size: 14px;
    line-height: 1.9;
}

.bottom-contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.bottom-contact-info strong {
    color: #8d6668;
    font-size: 21px;
}

.bottom-contact-info span {
    color: #766565;
    font-size: 14px;
}

.bottom-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bottom-qr img {
    width: 175px;
    height: 175px;
    padding: 7px;
    object-fit: contain;
    border: 1px solid #eadada;
    border-radius: 14px;
}

.bottom-qr span {
    margin-top: 9px;
    color: #9c8989;
    font-size: 12px;
}

/* =========================
   页脚
========================= */

.site-footer {
    background: #413737;
    color: #ffffff;
}

.footer-inner {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 35px;
}

.footer-inner strong {
    font-size: 16px;
}

.footer-inner p {
    margin: 5px 0 0;
    color: #c8bbbb;
    font-size: 12px;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    color: #c2b5b5;
    font-size: 11px;
    text-align: right;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom .container {
    padding: 13px 0;
    color: #a99a9a;
    font-size: 11px;
}

/* =========================
   悬浮咨询按钮
========================= */

.float-contact {
    position: fixed;
    right: 24px;
    bottom: 100px;
    z-index: 1100;
    min-width: 142px;
    height: 58px;
    padding: 7px 17px 7px 9px;
    display: flex;
    align-items: center;
    gap: 9px;
    border-radius: 32px;
    background: #d98f93;
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(125, 76, 79, 0.24);
    cursor: pointer;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.float-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 35px rgba(125, 76, 79, 0.3);
}

.float-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #ffffff;
    color: #a96d70;
    font-size: 14px;
    font-weight: 700;
}

.float-text {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
}

.back-top {
    position: fixed;
    right: 27px;
    bottom: 28px;
    z-index: 1090;
    width: 43px;
    height: 43px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid #eadada;
    color: #987475;
    font-size: 19px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: 0.25s ease;
    box-shadow: 0 7px 20px rgba(90, 64, 64, 0.1);
}

.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* =========================
   二维码弹窗
========================= */

.qr-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: 0.25s ease;
}

.qr-modal.show {
    opacity: 1;
    visibility: visible;
}

.qr-modal-mask {
    position: absolute;
    inset: 0;
    background: rgba(40, 30, 30, 0.52);
}

.qr-modal-content {
    position: relative;
    z-index: 1;
    width: min(390px, 100%);
    padding: 35px 30px 32px;
    background: #ffffff;
    border-radius: 23px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(30, 20, 20, 0.22);
    transform: translateY(15px);
    transition: 0.25s ease;
}

.qr-modal.show .qr-modal-content {
    transform: translateY(0);
}

.qr-close {
    position: absolute;
    top: 13px;
    right: 14px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #f8eeee;
    color: #856b6d;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

.modal-label {
    display: block;
    margin-bottom: 5px;
    color: #c18b8e;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
}

.qr-modal-content h3 {
    margin: 0;
    color: #493d3d;
    font-size: 24px;
}

.qr-modal-content p {
    margin: 6px 0 18px;
    color: #938282;
    font-size: 13px;
}

.modal-qr {
    width: 260px;
    height: 260px;
    max-width: 100%;
    margin: 0 auto 16px;
    padding: 9px;
    border: 1px solid #eadada;
    border-radius: 17px;
}

.modal-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-modal-content > strong {
    color: #72595a;
    font-size: 14px;
}

/* =========================
   滚动显示
========================= */

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   平板
========================= */

@media (max-width: 960px) {

    .container {
        width: calc(100% - 32px);
    }

    .main-nav {
        gap: 2px;
    }

    .main-nav a {
        padding: 8px 11px;
        font-size: 13px;
    }

    .contact-card {
        grid-template-columns: minmax(0, 1fr) 270px;
        gap: 30px;
        padding: 35px;
    }

    .qr-box {
        width: 200px;
        height: 200px;
    }

    .intro-content,
    .third-layout,
    .about-layout {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .intro-points {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .category-grid,
    .ivf-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bottom-contact-card {
        grid-template-columns: minmax(0, 1fr) 190px;
        padding: 35px;
    }
}

/* =========================
   手机
========================= */

@media (max-width: 700px) {

    html {
        font-size: 15px;
    }

    .container {
        width: calc(100% - 28px);
    }

    .section {
        padding: 65px 0;
    }

    .site-header {
        position: sticky;
    }

    .header-inner {
        min-height: 64px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-radius: 11px;
        font-size: 17px;
    }

    .brand-text strong {
        font-size: 15px;
    }

    .brand-text small {
        display: none;
    }

    .menu-toggle {
        display: block;
        flex: 0 0 42px;
    }

    .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        padding: 10px 14px 15px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: #ffffff;
        border-bottom: 1px solid #f0dddd;
        box-shadow: 0 12px 25px rgba(70, 45, 45, 0.08);
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        width: 100%;
        padding: 11px 14px;
        border-radius: 10px;
        font-size: 14px;
    }

    .section-heading {
        margin-bottom: 35px;
    }

    .section-heading h2 {
        font-size: 26px;
    }

    .section-heading p {
        font-size: 13px;
        line-height: 1.8;
    }

    /* 顶部图片保持原始比例完整显示 */
    .top-image-item img {
        width: 100%;
        height: auto;
    }

    .contact-section {
        padding-top: 55px;
    }

    .contact-card {
        display: flex;
        flex-direction: column;
        gap: 30px;
        padding: 25px 18px;
        border-radius: 18px;
    }

    .contact-title h3 {
        font-size: 20px;
    }

    .contact-description {
        font-size: 13px;
    }

    .contact-item strong {
        font-size: 15px;
    }

    .qr-area {
        padding-top: 5px;
    }

    .qr-box {
        width: 220px;
        height: 220px;
    }

    .intro-content,
    .third-layout,
    .about-layout {
        gap: 28px;
    }

    .intro-main p,
    .third-text p,
    .about-intro p {
        font-size: 14px;
        line-height: 1.9;
    }

    .intro-points {
        display: flex;
        flex-direction: column;
    }

    .category-grid,
    .ivf-grid {
        grid-template-columns: 1fr;
    }

    .category-card {
        padding: 28px 24px;
    }

    .step-item {
        padding: 16px;
    }

    .special-box {
        padding: 25px 20px;
        border-radius: 16px;
    }

    .special-box p {
        font-size: 13px;
    }

    .about-intro h3 {
        font-size: 21px;
    }

    .faq-question {
        min-height: 64px;
        padding: 15px 0;
    }

    .faq-question span {
        font-size: 14px;
    }

    .faq-item.active .faq-answer p {
        padding: 0 28px 20px 0;
        font-size: 13px;
    }

    .bottom-contact {
        padding-top: 5px;
    }

    .bottom-contact-card {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        padding: 28px 20px;
        gap: 25px;
    }

    .bottom-contact-card h2 {
        font-size: 23px;
    }

    .bottom-contact-card p {
        font-size: 13px;
    }

    .bottom-contact-info {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .bottom-qr {
        align-items: center;
    }

    .bottom-qr img {
        width: 190px;
        height: 190px;
    }

    .footer-inner {
        min-height: auto;
        padding: 30px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .footer-right {
        align-items: flex-start;
        text-align: left;
    }

    .float-contact {
        right: 14px;
        bottom: 78px;
        min-width: 135px;
        height: 54px;
        padding-right: 14px;
    }

    .float-icon {
        width: 39px;
        height: 39px;
        flex-basis: 39px;
    }

    .float-text {
        font-size: 14px;
    }

    .back-top {
        right: 18px;
        bottom: 20px;
        width: 40px;
        height: 40px;
    }

    .qr-modal-content {
        padding: 30px 20px 25px;
    }

    .modal-qr {
        width: 235px;
        height: 235px;
    }
}

/* =========================
   超小屏
========================= */

@media (max-width: 380px) {

    .container {
        width: calc(100% - 22px);
    }

    .brand-text strong {
        font-size: 14px;
    }

    .section {
        padding: 55px 0;
    }

    .contact-card {
        padding: 22px 15px;
    }

    .qr-box {
        width: 200px;
        height: 200px;
    }

    .float-contact {
        min-width: 125px;
    }

    .float-text {
        font-size: 13px;
    }
}