:root {
    --tw-primary: #0f766e;
    --tw-primary-dark: #0d5c56;
    --tw-accent: #d97706;
    --tw-accent-light: #fbbf24;
    --tw-surface: #f0fdfa;
    --tw-surface-alt: #ccfbf1;
    --tw-text: #134e4a;
    --tw-text-muted: #5b7c78;
    --tw-white: #ffffff;
    --tw-border: rgba(15, 118, 110, 0.15);
    --tw-shadow: 0 4px 24px rgba(13, 92, 86, 0.08);
    --tw-radius: 12px;
    --tw-radius-lg: 20px;
    --tw-transition: 0.25s ease;
}

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

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    color: var(--tw-text);
    line-height: 1.65;
    background: var(--tw-white);
    margin: 0;
    overflow-x: hidden;
}

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

a {
    color: var(--tw-primary);
    text-decoration: none;
}

a:hover {
    color: var(--tw-primary-dark);
}

/* ========== 导航 ========== */
.z1af43navbar {
    background: var(--tw-white);
    border-bottom: 1px solid var(--tw-border);
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.z1af43navbar-brand img {
    height: 42px;
    width: auto;
}

.z1af43nav-link {
    color: var(--tw-text) !important;
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.45rem 0.75rem !important;
    border-radius: 8px;
    transition: background var(--tw-transition), color var(--tw-transition);
}

.z1af43nav-link:hover {
    color: var(--tw-primary) !important;
    background: var(--tw-surface);
}

.z1af43navbar .navbar-toggler {
    border: 1px solid var(--tw-border);
    padding: 0.4rem 0.55rem;
}

.z1af43navbar .navbar-collapse {
    background: var(--tw-white);
}

@media (max-width: 991px) {
    .z1af43navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem 0;
        border-top: 1px solid var(--tw-border);
        max-height: 70vh;
        overflow-y: auto;
    }

    .z1af43nav-link {
        padding: 0.5rem 0.25rem !important;
    }
}

/* ========== 首页 Hero ========== */
.z1af43hero-section {
    background: linear-gradient(160deg, var(--tw-primary-dark) 0%, var(--tw-primary) 45%, #14b8a6 100%);
    color: var(--tw-white);
    padding: clamp(3rem, 8vw, 5.5rem) 0;
    position: relative;
    overflow: hidden;
}

.z1af43hero-section::after {
    content: "";
    position: absolute;
    right: -8%;
    top: -20%;
    width: min(480px, 55vw);
    height: min(480px, 55vw);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.z1af43hero-content {
    position: relative;
    z-index: 1;
}

.z1af43hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-bottom: 1rem;
}

.z1af43hero-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.z1af43hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    opacity: 0.92;
    max-width: 36em;
    margin-bottom: 1.75rem;
}

.z1af43hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z1af43hero-buttons .btn {
    padding: 0.7rem 1.35rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
}

.z1af43hero-buttons .btn-light {
    background: var(--tw-white);
    color: var(--tw-primary-dark);
}

.z1af43hero-buttons .btn-light:hover {
    background: var(--tw-surface);
    transform: translateY(-2px);
}

.z1af43hero-buttons .btn-accent {
    background: var(--tw-accent);
    color: var(--tw-white);
}

.z1af43hero-buttons .btn-accent:hover {
    background: #b45309;
    color: var(--tw-white);
    transform: translateY(-2px);
}

.z1af43hero-buttons .btn-outline-light {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.7);
    color: var(--tw-white);
}

.z1af43hero-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--tw-white);
}

.z1af43hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0;
}

.z1af43hero-image {
    max-width: min(320px, 90%);
    border-radius: var(--tw-radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

.z1af43hero-image-shadow {
    display: none;
}

/* ========== 通用区块 ========== */
.z1af43section {
    padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.z1af43section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.z1af43section-head h2 {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 700;
    color: var(--tw-primary-dark);
    margin-bottom: 0.6rem;
}

.z1af43section-head p {
    color: var(--tw-text-muted);
    margin: 0;
    font-size: 0.98rem;
}

.z1af43section--alt {
    background: var(--tw-surface);
}

/* ========== 核心优势 Bento ========== */
.z1af43bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}

.z1af43bento-item {
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 1.35rem 1.5rem;
    box-shadow: var(--tw-shadow);
    height: 100%;
    overflow: hidden;
    transition: border-color var(--tw-transition), box-shadow var(--tw-transition);
}

.z1af43bento-item:hover {
    border-color: rgba(15, 118, 110, 0.35);
    box-shadow: 0 8px 28px rgba(13, 92, 86, 0.12);
}

.z1af43bento-item--wide {
    grid-column: span 7;
}

.z1af43bento-item--narrow {
    grid-column: span 5;
}

.z1af43bento-item--third {
    grid-column: span 4;
}

.z1af43bento-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--tw-surface-alt);
    color: var(--tw-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.85rem;
}

.z1af43bento-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--tw-primary-dark);
}

.z1af43bento-item p {
    font-size: 0.92rem;
    color: var(--tw-text-muted);
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 991px) {
    .z1af43bento-item--wide,
    .z1af43bento-item--narrow,
    .z1af43bento-item--third {
        grid-column: span 12;
    }
}

/* ========== 知识导读 ========== */
.z1af43guide-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.z1af43guide-text {
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 1.5rem 1.75rem;
    box-shadow: var(--tw-shadow);
}

.z1af43guide-text p {
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
    color: var(--tw-text-muted);
}

.z1af43guide-text p:last-child {
    margin-bottom: 0;
}

.z1af43guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.z1af43guide-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    color: var(--tw-text-muted);
}

.z1af43guide-list li i {
    color: var(--tw-accent);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

@media (max-width: 767px) {
    .z1af43guide-panel {
        grid-template-columns: 1fr;
    }
}

/* ========== 数据统计 ========== */
.z1af43stats-section {
    background: var(--tw-primary-dark);
    color: var(--tw-white);
    padding: clamp(2rem, 5vw, 3rem) 0;
}

.z1af43stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    text-align: center;
}

.z1af43stat-item {
    padding: 1rem 0.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.z1af43stat-item:last-child {
    border-right: none;
}

.z1af43stat-number {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.z1af43stat-label {
    font-size: 0.88rem;
    opacity: 0.85;
}

@media (max-width: 767px) {
    .z1af43stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .z1af43stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding: 0.85rem;
    }

    .z1af43stat-item:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.12);
    }

    .z1af43stat-item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

/* ========== 下载区域 ========== */
.z1af43download-section {
    padding: clamp(2.5rem, 6vw, 4.5rem) 0;
    background: linear-gradient(180deg, var(--tw-surface) 0%, var(--tw-white) 100%);
}

.z1af43download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    max-width: 900px;
    margin: 0 auto;
}

.z1af43download-card {
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 1.5rem;
    box-shadow: var(--tw-shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.z1af43download-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--tw-border);
}

.z1af43platform-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--tw-white);
}

.z1af43ios-icon {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.z1af43android-icon {
    background: linear-gradient(135deg, #16a34a, #15803d);
}

.z1af43download-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.2rem;
    color: var(--tw-primary-dark);
}

.z1af43download-card .text-muted {
    font-size: 0.85rem;
    margin: 0;
    color: var(--tw-text-muted) !important;
}

.z1af43download-info {
    background: var(--tw-surface);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    flex: 1;
}

.z1af43info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.55rem;
    font-size: 0.88rem;
    color: var(--tw-text-muted);
}

.z1af43info-item:last-child {
    margin-bottom: 0;
}

.z1af43info-item i {
    color: var(--tw-primary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.z1af43download-action .btn {
    width: 100%;
    padding: 0.65rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    background: var(--tw-primary);
    border: none;
    color: var(--tw-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
}

.z1af43download-action .btn:hover {
    background: var(--tw-primary-dark);
    color: var(--tw-white);
}

.z1af43btn-primary {
    background: var(--tw-primary) !important;
    border-color: var(--tw-primary) !important;
    color: var(--tw-white) !important;
}

.z1af43btn-primary:hover {
    background: var(--tw-primary-dark) !important;
    border-color: var(--tw-primary-dark) !important;
}

.z1af43btn-outline {
    border: 1px solid var(--tw-primary) !important;
    color: var(--tw-primary) !important;
    background: transparent !important;
}

.z1af43btn-outline:hover {
    background: var(--tw-surface) !important;
}

@media (max-width: 767px) {
    .z1af43download-grid {
        grid-template-columns: 1fr;
    }

    .z1af43download-card {
        padding: 1.15rem;
    }

    .z1af43download-card-head {
        flex-wrap: wrap;
    }
}

/* ========== 安全区域 ========== */
.z1af43security-section {
    padding: clamp(2.5rem, 6vw, 4.5rem) 0;
    background: var(--tw-white);
}

.z1af43security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.z1af43security-card {
    background: var(--tw-surface);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 1.25rem;
    height: 100%;
    text-align: center;
    overflow: hidden;
}

.z1af43security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.85rem;
    border-radius: 50%;
    background: var(--tw-primary);
    color: var(--tw-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.z1af43security-card h3 {
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--tw-primary-dark);
}

.z1af43security-features {
    text-align: left;
    background: var(--tw-white);
    border-radius: 8px;
    padding: 0.75rem;
    border: 1px solid var(--tw-border);
}

.z1af43feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--tw-text-muted);
    margin-bottom: 0.45rem;
}

.z1af43feature-item:last-child {
    margin-bottom: 0;
}

.z1af43feature-item i {
    color: var(--tw-primary);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.z1af43security-certificates {
    margin-top: 2rem;
}

.z1af43cert-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.z1af43certificate-card {
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    padding: 1.25rem;
    text-align: center;
    height: 100%;
}

.z1af43certificate-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: var(--tw-surface-alt);
    color: var(--tw-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.z1af43certificate-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--tw-primary-dark);
}

.z1af43certificate-card p {
    font-size: 0.82rem;
    color: var(--tw-text-muted);
    margin: 0;
}

@media (max-width: 991px) {
    .z1af43security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .z1af43security-grid,
    .z1af43cert-row {
        grid-template-columns: 1fr;
    }
}

/* ========== FAQ ========== */
.z1af43faq-section {
    background: var(--tw-surface);
}

.z1af43faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.z1af43faq-item {
    background: var(--tw-white);
    border: 1px solid var(--tw-border);
    border-left: 4px solid var(--tw-accent);
    border-radius: var(--tw-radius);
    padding: 1.15rem 1.25rem;
    height: 100%;
    overflow: hidden;
}

.z1af43faq-item h5 {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--tw-primary-dark);
    margin-bottom: 0.5rem;
}

.z1af43faq-item p {
    font-size: 0.88rem;
    color: var(--tw-text-muted);
    margin: 0;
    line-height: 1.55;
}

@media (max-width: 767px) {
    .z1af43faq-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 文章区 ========== */
#article {
    background: var(--tw-white);
}

#article .card {
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    overflow: hidden;
    box-shadow: var(--tw-shadow);
    height: 100%;
}

#article .card-img-top {
    height: 110px;
    object-fit: cover;
    width: 100%;
}

#article .card-body {
    padding: 0.85rem;
}

#article h3.h5 {
    font-size: 0.92rem;
    line-height: 1.4;
    margin: 0;
}

#article h3.h5 a {
    color: var(--tw-text);
}

#article h3.h5 a:hover {
    color: var(--tw-primary);
}

/* ========== 页脚 ========== */
.z1af43footer {
    background: var(--tw-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: clamp(2rem, 5vw, 3.5rem) 0 1.5rem;
}

.z1af43footer-title {
    color: var(--tw-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.z1af43footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z1af43footer-links li {
    margin-bottom: 0.5rem;
}

.z1af43footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.z1af43footer-link:hover {
    color: var(--tw-accent-light);
}

.z1af43footer p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
}

.z1af43friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z1af43friend-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
}

.z1af43friend-links a:hover {
    color: var(--tw-accent-light);
}

.z1af43footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 1.25rem;
    margin-top: 2rem;
    text-align: center;
}

.z1af43footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
}

.z1af43footer-bottom a:hover {
    color: var(--tw-white);
}

/* ========== 列表页 / 内页 ========== */
.z1af43page-main {
    padding: clamp(2rem, 5vw, 3rem) 0;
    background: var(--tw-surface);
    min-height: 50vh;
}

.z1af43page-main .card {
    border: 1px solid var(--tw-border);
    border-radius: var(--tw-radius);
    overflow: hidden;
    box-shadow: var(--tw-shadow);
}

.z1af43page-main .card-body {
    padding: 1.25rem;
}

.z1af43article-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--tw-text);
    overflow-wrap: break-word;
}

.z1af43article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.z1af43meta-tags .z1af43tagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--tw-surface-alt);
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.z1af43thumb-list,
.z1af43thumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
    border-radius: 8px;
}

.z1af43thumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
    border-radius: 6px;
}

.z1af43thumb-cover {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: cover;
    border-radius: var(--tw-radius);
}

.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
}

/* ========== Bootstrap 覆盖 ========== */
.btn-primary {
    background-color: var(--tw-primary);
    border-color: var(--tw-primary);
}

.btn-primary:hover {
    background-color: var(--tw-primary-dark);
    border-color: var(--tw-primary-dark);
}

.btn-outline-primary {
    color: var(--tw-primary);
    border-color: var(--tw-primary);
}

.btn-outline-primary:hover {
    background-color: var(--tw-primary);
    border-color: var(--tw-primary);
}

.bg-light {
    background-color: var(--tw-surface) !important;
}

/* ========== 移动端综合修复 ========== */
@media (max-width: 767px) {
    .z1af43hero-section {
        padding: 2.5rem 0 2rem;
        text-align: center;
    }

    .z1af43hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .z1af43hero-buttons {
        justify-content: center;
    }

    .z1af43hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .z1af43hero-visual {
        margin-top: 1.5rem;
    }

    .z1af43section-head {
        margin-bottom: 1.75rem;
    }

    .z1af43footer .row > [class*="col-"] {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .z1af43friend-links {
        justify-content: center;
    }

    #article .row {
        --bs-gutter-x: 0.65rem;
    }

    #article .card-img-top {
        height: 96px;
    }

    #article h3.h5 {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        line-height: 1.35;
    }

    .z1af43thumb-list,
    .z1af43thumb-related {
        height: 72px !important;
    }

    .z1af43thumb-side {
        height: 50px !important;
    }

    .z1af43page-main .card-body {
        padding: 1rem;
    }
}

@media (max-width: 575px) {
    .z1af43navbar-brand img {
        height: 36px;
    }

    #article .card-img-top {
        height: 88px;
    }

    .z1af43thumb-list,
    .z1af43thumb-related {
        height: 64px !important;
    }

    .z1af43thumb-cover {
        max-height: 200px;
    }
}