/* ===== 丽美佳环保 · 手机版（重构排版） ===== */

:root {
    --m-primary: #1a8f42;
    --m-primary-dark: #126830;
    --m-primary-light: #e8f7ed;
    --m-accent: #ff8c3a;
    --m-bg: #f3f6f4;
    --m-card: #ffffff;
    --m-text: #152318;
    --m-muted: #5f7264;
    --m-border: rgba(26, 143, 66, 0.1);
    --m-header-h: 52px;
    --m-tab-h: 62px;
    --m-page-x: 16px;
    --m-section-gap: 20px;
    --m-radius-lg: 20px;
    --m-radius-md: 14px;
    --m-shadow: 0 8px 32px rgba(18, 63, 34, 0.08);
    --m-shadow-soft: 0 2px 12px rgba(18, 63, 34, 0.06);
    --m-safe-t: env(safe-area-inset-top, 0px);
    --m-safe-b: env(safe-area-inset-bottom, 0px);
    --m-content-bottom: calc(var(--m-tab-h) + var(--m-safe-b) + 56px);
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    overflow: hidden;
    background: var(--m-bg);
    color: var(--m-text);
    -webkit-font-smoothing: antialiased;
    padding-top: var(--m-safe-t);
}

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

button {
    font-family: inherit;
}

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

/* ===== 顶部栏 ===== */

.m-header {
    position: fixed;
    top: var(--m-safe-t);
    left: 0;
    right: 0;
    z-index: 200;
    height: var(--m-header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--m-page-x);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--m-border);
}

.m-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.m-logo img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.m-logo span {
    min-width: 0;
}

.m-logo strong {
    display: block;
    font-size: 15px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.m-logo small {
    display: block;
    font-size: 9px;
    color: var(--m-muted);
    letter-spacing: 0.08em;
    margin-top: 2px;
}

.m-header-actions {
    flex-shrink: 0;
    margin-left: 10px;
}

.m-call-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--m-primary), #3cb865);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 6px 18px rgba(26, 143, 66, 0.28);
}

/* ===== 主容器 ===== */

.m-app {
    position: fixed;
    top: calc(var(--m-header-h) + var(--m-safe-t));
    left: 0;
    right: 0;
    bottom: var(--m-tabbar-real, calc(var(--m-tab-h) + var(--m-safe-b) + 12px));
    overflow: hidden;
}

.m-panel {
    display: none;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.m-panel.active {
    display: block;
}

.m-panel-inner {
    padding-bottom: var(--m-content-bottom);
}

/* ===== 首页 Hero（淡入切换，避免横向溢出重叠） ===== */

.m-hero-swiper {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 12px var(--m-page-x) 0;
    background: var(--m-bg);
}

.m-hero-track {
    position: relative;
    width: 100%;
}

.m-hero-slide {
    display: none;
    width: 100%;
    flex-direction: column;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    overflow: hidden;
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow);
}

.m-hero-slide.active {
    display: flex;
}

.m-hero-media {
    width: 100%;
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: #f2f8f4;
    overflow: hidden;
}

.m-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.m-hero-caption {
    padding: 16px 18px 18px;
    background: linear-gradient(135deg, #0f3a20 0%, #1a8f42 100%);
    color: #fff;
}

.m-hero-caption h1 {
    margin: 0 0 6px;
    font-size: 17px;
    line-height: 1.45;
    font-weight: 700;
}

.m-hero-caption p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    opacity: 0.92;
}

.m-hero-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 14px 0 4px;
}

.m-hero-dots button {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(26, 143, 66, 0.25);
    transition: all 0.3s ease;
}

.m-hero-dots button.active {
    width: 22px;
    border-radius: 999px;
    background: var(--m-primary);
}

/* ===== 快捷入口 ===== */

.m-quick-section {
    padding: 18px var(--m-page-x) 0;
    clear: both;
}

.m-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 18px 14px;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    box-shadow: var(--m-shadow);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.m-quick-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 12px;
    border-radius: var(--m-radius-md);
    border: 1px solid var(--m-border);
    background: linear-gradient(180deg, #fff 0%, #f8fbf9 100%);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-width: 0;
}

.m-quick-item:active {
    transform: scale(0.98);
}

.m-quick-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 20px;
    flex-shrink: 0;
    background: linear-gradient(145deg, rgba(26, 143, 66, 0.16), rgba(26, 143, 66, 0.06));
}

.m-quick-item span {
    font-size: 13px;
    font-weight: 600;
    color: var(--m-text);
    line-height: 1.3;
}

/* ===== 通用区块 ===== */

.m-section {
    padding: var(--m-section-gap) var(--m-page-x) 0;
}

.m-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.m-section-head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.m-section-head a {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--m-primary);
    font-weight: 600;
}

.m-section-label {
    display: inline-block;
    margin-bottom: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--m-primary-light);
    color: var(--m-primary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

/* ===== 数据统计 ===== */

.m-stats-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.m-stat-chip {
    background: var(--m-card);
    border-radius: var(--m-radius-md);
    padding: 16px 12px;
    text-align: center;
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
    min-width: 0;
}

.m-stat-chip strong {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--m-primary);
    line-height: 1.1;
    margin-bottom: 6px;
    word-break: keep-all;
}

.m-stat-chip span {
    display: block;
    font-size: 12px;
    color: var(--m-muted);
}

/* ===== 案例横向滚动 ===== */

.m-scroll-wrap {
    margin: 0 calc(var(--m-page-x) * -1);
    padding: 0 var(--m-page-x);
}

.m-scroll-x {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 0 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.m-scroll-x::-webkit-scrollbar {
    display: none;
}

.m-case-card {
    flex: 0 0 min(82vw, 300px);
    scroll-snap-align: start;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    overflow: hidden;
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
    display: flex;
    flex-direction: column;
}

.m-case-media {
    width: 100%;
    min-height: 140px;
    padding: 10px;
    background: #f2f8f4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.m-case-media img {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    object-position: center;
}

.m-case-body {
    padding: 14px 16px 16px;
}

.m-case-body h3 {
    margin: 0 0 6px;
    font-size: 15px;
    line-height: 1.35;
}

.m-case-body p {
    margin: 0;
    font-size: 12px;
    color: var(--m-muted);
    line-height: 1.6;
}

/* ===== CTA 横幅 ===== */

.m-banner-cta {
    margin: var(--m-section-gap) var(--m-page-x) 0;
    padding: 22px 20px;
    border-radius: var(--m-radius-lg);
    background: linear-gradient(135deg, #126830 0%, var(--m-primary) 55%, #45c06f 100%);
    color: #fff;
    box-shadow: 0 16px 40px rgba(26, 143, 66, 0.28);
}

.m-banner-cta h3 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 700;
}

.m-banner-cta p {
    margin: 0 0 16px;
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.92;
}

.m-banner-cta .m-btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 13px 20px;
    border-radius: 999px;
    background: #fff;
    color: var(--m-primary-dark);
    font-size: 14px;
    font-weight: 700;
    border: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* ===== 关于卡片 ===== */

.m-about-card {
    margin: var(--m-section-gap) var(--m-page-x) 0;
    padding: 22px 20px;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
}

.m-about-card h3 {
    margin: 0 0 12px;
    font-size: 17px;
    color: var(--m-primary-dark);
}

.m-about-card p {
    margin: 0;
    font-size: 14px;
    color: var(--m-muted);
    line-height: 1.75;
}

.m-desktop-link {
    display: block;
    text-align: center;
    margin: 24px var(--m-page-x) 0;
    padding: 14px;
    font-size: 13px;
    color: var(--m-muted);
    border-radius: var(--m-radius-md);
    background: rgba(255, 255, 255, 0.7);
    border: 1px dashed rgba(26, 143, 66, 0.18);
}

/* ===== 产品页 ===== */

.m-panel[data-panel="products"] .m-panel-inner {
    padding-top: 8px;
}

.m-cat-pills {
    display: flex;
    gap: 10px;
    padding: 12px var(--m-page-x) 16px;
    overflow-x: auto;
    scrollbar-width: none;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--m-bg);
    border-bottom: 1px solid var(--m-border);
}

.m-cat-pills::-webkit-scrollbar {
    display: none;
}

.m-cat-pill {
    flex-shrink: 0;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--m-border);
    background: var(--m-card);
    color: var(--m-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--m-shadow-soft);
}

.m-cat-pill.active {
    background: linear-gradient(135deg, var(--m-primary), #3cb865);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(26, 143, 66, 0.25);
}

.m-product-list {
    padding: 0 var(--m-page-x);
    display: block;
}

.m-product-group {
    display: none;
    grid-template-columns: 1fr;
    gap: 16px;
}

.m-product-group.active {
    display: grid;
}

.m-product-item {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    overflow: hidden;
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
}

.m-product-thumb {
    width: 100%;
    min-height: 140px;
    padding: 14px;
    background: #f2f8f4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.m-product-thumb img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    object-position: center;
}

.m-product-info {
    min-width: 0;
    padding: 16px;
}

.m-product-info h3 {
    margin: 0 0 8px;
    font-size: 15px;
    line-height: 1.4;
    font-weight: 700;
}

.m-product-info p {
    margin: 0;
    font-size: 12px;
    color: var(--m-muted);
    line-height: 1.65;
    word-break: break-word;
}

.m-product-tag {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--m-primary-light);
    color: var(--m-primary-dark);
    font-size: 11px;
    font-weight: 700;
}

/* ===== 方案页 ===== */

.m-plan-intro {
    padding: 20px var(--m-page-x) 8px;
}

.m-plan-intro h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.m-plan-intro p {
    margin: 0;
    font-size: 14px;
    color: var(--m-muted);
    line-height: 1.65;
}

.m-scenario-list {
    padding: 8px var(--m-page-x) 0;
    display: grid;
    gap: 12px;
}

.m-scenario-btn {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 18px 16px;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.m-scenario-btn:active,
.m-scenario-btn.selected {
    border-color: rgba(26, 143, 66, 0.35);
    box-shadow: 0 12px 28px rgba(26, 143, 66, 0.12);
}

.m-scenario-emoji {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 26px;
    background: var(--m-primary-light);
}

.m-scenario-btn h3 {
    margin: 0 0 4px;
    font-size: 15px;
    line-height: 1.35;
}

.m-scenario-btn p {
    margin: 0;
    font-size: 12px;
    color: var(--m-muted);
    line-height: 1.55;
}

.m-scenario-btn .arrow {
    color: var(--m-primary);
    font-size: 22px;
    font-weight: 300;
}

.m-result-box {
    margin: 16px var(--m-page-x) 0;
    padding: 20px;
    background: linear-gradient(180deg, #f4fbf6 0%, #fff 100%);
    border-radius: var(--m-radius-lg);
    border: 1px solid rgba(26, 143, 66, 0.14);
    display: none;
}

.m-result-box.show {
    display: block;
    animation: slideUp 0.35s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.m-result-box h3 {
    margin: 0 0 14px;
    font-size: 16px;
    color: var(--m-primary-dark);
}

.m-result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.m-result-tags span {
    padding: 8px 12px;
    border-radius: 999px;
    background: #fff;
    font-size: 12px;
    border: 1px solid var(--m-border);
}

.m-result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.m-plan-footer {
    padding: 16px var(--m-page-x) 0;
}

.m-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    text-align: center;
}

.m-btn-primary {
    background: linear-gradient(135deg, var(--m-primary), #3cb865);
    color: #fff;
}

.m-btn-outline {
    background: #fff;
    color: var(--m-primary-dark);
    border: 1.5px solid rgba(26, 143, 66, 0.28);
}

/* ===== 联系页 ===== */

.m-contact-hero {
    margin: 16px var(--m-page-x) 0;
    padding: 26px 22px;
    border-radius: var(--m-radius-lg);
    background: linear-gradient(145deg, #0b2414 0%, #126830 45%, var(--m-primary) 100%);
    color: #fff;
    box-shadow: 0 18px 42px rgba(18, 63, 34, 0.22);
}

.m-contact-hero h2 {
    margin: 0 0 10px;
    font-size: 22px;
}

.m-contact-hero p {
    margin: 0 0 22px;
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.9;
}

.m-contact-btns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.m-contact-btns a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 16px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
}

.m-contact-btns .phone {
    background: #fff;
    color: var(--m-primary-dark);
}

.m-contact-btns .hotline {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.m-info-list {
    padding: 20px var(--m-page-x) 0;
    display: grid;
    gap: 12px;
}

.m-info-item {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 18px 16px;
    background: var(--m-card);
    border-radius: var(--m-radius-md);
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
}

.m-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--m-primary-light);
    display: grid;
    place-items: center;
    font-size: 20px;
}

.m-info-item h4 {
    margin: 0 0 6px;
    font-size: 12px;
    color: var(--m-muted);
    font-weight: 600;
}

.m-info-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    word-break: break-word;
}

.m-cert-scroll {
    display: flex;
    gap: 14px;
    padding: 0 var(--m-page-x) 4px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.m-cert-scroll::-webkit-scrollbar {
    display: none;
}

.m-cert-scroll img {
    flex: 0 0 min(85vw, 320px);
    width: min(85vw, 320px);
    height: auto;
    object-fit: contain;
    object-position: center;
    border-radius: var(--m-radius-md);
    background: var(--m-card);
    scroll-snap-align: start;
    padding: 10px;
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
}

.m-form {
    margin: 20px var(--m-page-x) 0;
    padding: 22px 20px;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    border: 1px solid var(--m-border);
    box-shadow: var(--m-shadow-soft);
}

.m-form h3 {
    margin: 0 0 18px;
    font-size: 17px;
}

.m-form-row {
    margin-bottom: 16px;
}

.m-form-row label {
    display: block;
    font-size: 12px;
    color: var(--m-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.m-form-row input,
.m-form-row textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--m-border);
    border-radius: 14px;
    font-size: 16px;
    font-family: inherit;
    background: #f8fbf9;
    -webkit-appearance: none;
}

.m-form-row input:focus,
.m-form-row textarea:focus {
    outline: none;
    border-color: var(--m-primary);
    box-shadow: 0 0 0 3px rgba(26, 143, 66, 0.12);
    background: #fff;
}

.m-form-row textarea {
    resize: vertical;
    min-height: 96px;
}

.m-qr-section {
    margin: 24px var(--m-page-x) 0;
    padding: 22px 18px;
    text-align: center;
    background: var(--m-card);
    border-radius: var(--m-radius-lg);
    border: 1px solid var(--m-border);
}

.m-qr-section img {
    width: min(70vw, 180px);
    height: auto;
    max-height: none;
    object-fit: contain;
    margin: 0 auto 12px;
    border-radius: 16px;
    background: #fff;
    padding: 8px;
}

.m-qr-section p {
    margin: 0;
    font-size: 13px;
    color: var(--m-muted);
}

/* ===== 底部 Tab ===== */

.m-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    min-height: var(--m-tab-h);
    height: auto;
    padding: 6px 0 calc(6px + var(--m-safe-b));
    display: flex;
    background: #fff;
    border-top: 1px solid var(--m-border);
    box-shadow: 0 -4px 20px rgba(18, 63, 34, 0.06);
}

.m-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: none;
    background: none;
    color: var(--m-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    min-width: 0;
    padding: 0 4px;
}

.m-tab .tab-icon {
    font-size: 20px;
    line-height: 1;
}

.m-tab span:last-child {
    white-space: nowrap;
}

.m-tab.active {
    color: var(--m-primary);
}

.m-tab.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    border-radius: 0 0 4px 4px;
    background: var(--m-primary);
}

/* ===== Toast ===== */

.m-toast {
    position: fixed;
    top: calc(var(--m-header-h) + var(--m-safe-t) + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-80px);
    background: rgba(21, 35, 24, 0.92);
    color: #fff;
    padding: 12px 22px;
    border-radius: 999px;
    font-size: 13px;
    z-index: 300;
    opacity: 0;
    transition: all 0.35s ease;
    max-width: calc(100vw - 40px);
    text-align: center;
}

.m-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== 平板居中预览 ===== */

@media (min-width: 768px) {
    .m-app,
    .m-header,
    .m-tabbar {
        max-width: 430px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        width: 100%;
    }
}

@media (max-width: 360px) {
    .m-quick-grid {
        grid-template-columns: 1fr;
    }
}