/* ========== 主题：深青 #0d9488 + 琥珀 #d97706 ========== */
:root {
    --primary-color: #0d9488;
    --primary-dark: #0f766e;
    --primary-soft: rgba(13, 148, 136, 0.12);
    --accent-color: #d97706;
    --accent-dark: #b45309;
    --accent-soft: rgba(217, 119, 6, 0.14);
    --text-color: #0f172a;
    --text-muted: #64748b;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(13, 148, 136, 0.25);
    --border-width: 1px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.08);
    --radius-sm: 10px;
    /* 卡片圆角统一，避免同一页有的圆、有的方 */
    --radius-md: 14px;
    --radius-lg: 14px;
    --radius-card: 14px;
    --grid-gap: 1.25rem;
    --card-padding: 1.35rem;
    --card-padding-sm: 1.1rem;
    --section-y: clamp(52px, 6.5vw, 80px);
    --border-inner: rgba(15, 23, 42, 0.06);
    --border-on-dark: rgba(255, 255, 255, 0.1);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t: 0.25s;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px;
    font-size: 16px;
}

body.z37e96body,
.z37e96body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    color: var(--text-color);
    line-height: 1.65;
    background: var(--surface-2);
    overflow-x: hidden;
}

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

.z37e96container.container {
    max-width: 1140px;
    padding-left: 1rem;
    padding-right: 1rem;
}

.z37e96container.container .row {
    --bs-gutter-x: 1.5rem;
    margin-left: calc(var(--bs-gutter-x) * -0.5);
    margin-right: calc(var(--bs-gutter-x) * -0.5);
}

/* ========== 导航 ========== */
.z37e96navbar {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.z37e96navbar .navbar-toggler {
    border: none;
    box-shadow: none;
}

.z37e96navbar-brand img { height: 40px; }

.z37e96nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem !important;
    border-radius: var(--radius-sm);
    transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.z37e96nav-link:hover {
    color: var(--primary-dark) !important;
    background: var(--primary-soft);
}

@media (max-width: 991.98px) {
    .z37e96navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem;
        background: var(--surface);
        border: var(--border-width) solid var(--border-color);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-sm);
        max-height: 72vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (min-width: 992px) {
    .z37e96navbar .navbar-collapse {
        background: transparent;
        box-shadow: none;
        padding: 0;
    }
}

/* ========== 按钮 ========== */
.z37e96btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease);
    border: none;
}

.z37e96btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff !important;
}

.z37e96btn-primary:hover {
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(13, 148, 136, 0.35);
}

.z37e96btn-secondary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: #fff !important;
}

.z37e96btn-secondary:hover {
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(217, 119, 6, 0.35);
}

.z37e96btn-ghost {
    background: transparent;
    color: #fff !important;
    border: var(--border-width) solid rgba(255, 255, 255, 0.35);
}

.z37e96btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff !important;
}

.z37e96btn-outline {
    border: var(--border-width) solid var(--primary-color);
    color: var(--primary-dark) !important;
    background: transparent;
}

.z37e96btn-outline:hover {
    background: var(--primary-soft);
    color: var(--primary-dark) !important;
}

/* ========== Hero ========== */
.z37e96hero-section {
    position: relative;
    color: #e2e8f0;
    padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 100px);
    overflow: hidden;
}

.z37e96hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(155deg, #0f172a 0%, #134e4a 42%, #0f766e 100%);
    z-index: 0;
}

.z37e96hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 100% 0%, rgba(217, 119, 6, 0.18), transparent 55%);
    pointer-events: none;
}

.z37e96hero-section .container { position: relative; z-index: 1; }

.z37e96hero-kicker {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.75);
    margin-bottom: 0.75rem;
}

.z37e96hero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.85rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: #fff;
}

.z37e96hero-title-dot { color: var(--accent-color); }

.z37e96hero-title-accent {
    display: block;
    font-size: 0.42em;
    font-weight: 600;
    color: rgba(226, 232, 240, 0.88);
    margin-top: 0.35rem;
    letter-spacing: 0.02em;
}

.z37e96hero-subtitle {
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    line-height: 1.75;
    color: rgba(226, 232, 240, 0.9);
    margin-bottom: 1.25rem;
    max-width: 38rem;
}

.z37e96hero-meta {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.z37e96hero-meta li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: rgba(226, 232, 240, 0.85);
}

.z37e96hero-meta i { color: var(--accent-color); width: 1.1rem; }

.z37e96hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.z37e96hero-buttons .btn { min-height: 48px; }

.z37e96hero-visual { position: relative; z-index: 1; }

.z37e96hero-panel {
    background: rgba(15, 23, 42, 0.45);
    border: var(--border-width) solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-card);
    padding: var(--card-padding-sm);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    overflow: hidden;
    max-width: 100%;
}

.z37e96hero-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(226, 232, 240, 0.7);
}

.z37e96hero-panel-pill {
    background: var(--accent-soft);
    color: #fdba74;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
}

.z37e96hero-image-container {
    padding: 0.5rem 0 1rem;
    display: flex;
    justify-content: center;
}

.z37e96hero-image {
    max-width: min(260px, 100%);
    border-radius: var(--radius-sm);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.z37e96hero-panel-dl {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.z37e96hero-panel-dl div { min-width: 0; }

.z37e96hero-panel-dl dt {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(226, 232, 240, 0.55);
    margin-bottom: 0.2rem;
}

.z37e96hero-panel-dl dd {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.35;
    color: #e2e8f0;
}

/* ========== 信任条 ========== */
.z37e96trust-bar {
    background: var(--surface);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: 1.1rem 0;
}

.z37e96trust-items {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem 1.25rem;
    align-items: start;
}

.z37e96trust-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    min-width: 0;
}

.z37e96trust-item i {
    color: var(--primary-color);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

/* ========== 区块标题 ========== */
.z37e96section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

.z37e96section-title {
    font-size: clamp(1.45rem, 3.2vw, 2rem);
    font-weight: 800;
    color: var(--text-color);
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.z37e96section-desc {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 36rem;
    margin: 0 auto;
    line-height: 1.7;
}

.z37e96section-desc--wide { max-width: 52rem; }

.z37e96section-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 0 0.25rem;
}

.z37e96section-header--left {
    text-align: left;
}

.z37e96section-header--left .z37e96section-desc,
.z37e96section-header--left .z37e96section-desc--wide {
    margin-left: 0;
}

.z37e96h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
    color: var(--text-color);
}

/* ========== About ========== */
.z37e96about-section {
    padding: var(--section-y) 0;
    background: var(--surface);
}

.z37e96about-content {
    min-width: 0;
}

.z37e96about-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--grid-gap);
    margin-bottom: 1.75rem;
    align-items: stretch;
}

.z37e96about-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.75;
}

.z37e96about-aside {
    background: var(--surface-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding-sm);
    min-width: 0;
}

.z37e96checklist {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.z37e96checklist li { margin-bottom: 0.35rem; }

.z37e96about-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.z37e96about-mini-card {
    background: var(--surface-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding-sm);
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
    height: 100%;
}

.z37e96about-mini-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.z37e96about-mini-card i {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.z37e96about-mini-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.z37e96about-mini-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.55;
}

/* ========== Features 三柱 + 横条 ========== */
.z37e96features-section {
    padding: var(--section-y) 0;
    background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 35%);
}

.z37e96pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    margin-bottom: 1.75rem;
    align-items: stretch;
}

.z37e96pillar {
    background: var(--surface);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    height: 100%;
    min-width: 0;
    transition: box-shadow var(--t) var(--ease);
}

.z37e96pillar:hover { box-shadow: var(--shadow-md); }

.z37e96pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.z37e96pillar h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }

.z37e96pillar p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.z37e96split-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--grid-gap);
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark), #0f172a);
    color: #e2e8f0;
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    border: var(--border-width) solid var(--border-on-dark);
    overflow: hidden;
    max-width: 100%;
}

.z37e96split-band-text {
    min-width: 0;
}

.z37e96split-band h3 { color: #fff; margin-bottom: 0.5rem; font-size: 1.1rem; }

.z37e96split-band p {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.85);
    line-height: 1.65;
}

.z37e96split-band-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.85rem;
    min-width: 0;
}

.z37e96split-band-list li {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.4rem;
    color: rgba(226, 232, 240, 0.9);
}

.z37e96split-band-list i { color: var(--accent-color); }

/* ========== Guide ========== */
.z37e96guide-section {
    padding: var(--section-y) 0;
    background: var(--surface);
}

.z37e96steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.z37e96step-card {
    background: var(--surface-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    height: 100%;
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.z37e96steps--timeline .z37e96step-card:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.25rem;
    right: calc(-1 * var(--grid-gap) / 2);
    width: var(--grid-gap);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    opacity: 0.35;
    display: none;
}

@media (min-width: 992px) {
    .z37e96steps--timeline .z37e96step-card:not(:last-child)::after { display: block; }
}

.z37e96step-number {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.z37e96step-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }

.z37e96step-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.z37e96guide-cta { text-align: center; margin-top: 2rem; }

/* ========== Stats ========== */
.z37e96stats-section {
    padding: var(--section-y) 0;
    background: #0f172a;
    color: #e2e8f0;
    position: relative;
    overflow: hidden;
}

.z37e96stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.2), transparent 50%);
    pointer-events: none;
}

.z37e96stats-intro {
    text-align: center;
    font-size: 0.88rem;
    color: rgba(226, 232, 240, 0.7);
    max-width: 40rem;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
}

.z37e96stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
    position: relative;
    z-index: 1;
    align-items: stretch;
}

.z37e96stat-item {
    text-align: center;
    padding: 1.1rem 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border: var(--border-width) solid var(--border-on-dark);
    border-radius: var(--radius-card);
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.z37e96stat-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 0.75rem;
    border-radius: 10px;
    background: rgba(13, 148, 136, 0.25);
    color: #5eead4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z37e96stat-number {
    font-size: clamp(1.65rem, 3.5vw, 2.25rem);
    font-weight: 800;
    background: linear-gradient(90deg, #fff, #5eead4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.z37e96stat-label {
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.65);
    margin-top: 0.25rem;
    line-height: 1.35;
    padding: 0 0.25rem;
}

/* ========== Download ========== */
.z37e96download-section {
    padding: var(--section-y) 0;
    background: var(--surface);
}

.z37e96download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.z37e96download-card {
    background: var(--surface-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    height: 100%;
    min-width: 0;
    transition: box-shadow var(--t) var(--ease);
}

.z37e96download-card:hover { box-shadow: var(--shadow-md); }

.z37e96download-card .card-body {
    padding: var(--card-padding);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.z37e96download-card-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1rem;
    min-width: 0;
}

.z37e96download-card-header > div:last-child {
    min-width: 0;
    flex: 1;
}

.z37e96platform-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
    color: #fff;
}

.z37e96ios-icon { background: linear-gradient(135deg, #0369a1, #0c4a6e); }
.z37e96android-icon { background: linear-gradient(135deg, #15803d, #14532d); }
.z37e96windows-icon { background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); }

.z37e96download-card h3 { font-size: 1.05rem; font-weight: 700; margin: 0; }

.platform-desc { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

.z37e96download-info {
    flex: 1;
    background: var(--surface);
    border: var(--border-width) solid var(--border-inner);
    border-radius: var(--radius-sm);
    padding: 0.9rem;
    margin-bottom: 1rem;
    min-width: 0;
}

.z37e96info-item {
    display: flex;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    align-items: flex-start;
    word-break: break-word;
}

.z37e96info-item:last-child { margin-bottom: 0; }

.z37e96info-item i { color: var(--primary-color); margin-top: 0.2rem; flex-shrink: 0; }

.z37e96download-note {
    margin-top: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-gap);
    align-items: center;
    justify-content: space-between;
    padding: var(--card-padding);
    background: linear-gradient(135deg, var(--accent-soft), var(--primary-soft));
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    max-width: 100%;
}

.z37e96download-note-content {
    flex: 1;
    min-width: min(100%, 220px);
}

.z37e96download-note-content h4 { font-size: 1rem; margin-bottom: 0.5rem; }

.z37e96download-note-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.z37e96qr-box { text-align: center; flex-shrink: 0; }

.z37e96qr-box img { width: 96px; height: 96px; margin: 0 auto 0.35rem; border-radius: 8px; }

.z37e96qr-box span { font-size: 0.75rem; color: var(--text-muted); }

/* ========== Security ========== */
.z37e96security-section {
    padding: var(--section-y) 0;
    background: var(--surface-2);
}

.z37e96security-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.z37e96security-card {
    background: var(--surface);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    height: 100%;
    text-align: center;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.z37e96security-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.z37e96security-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.75rem; }

.z37e96security-features {
    text-align: left;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.85rem;
    border: var(--border-width) solid var(--border-inner);
    flex: 1;
    min-height: 0;
}

.z37e96feature-item {
    display: flex;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.45rem;
    align-items: flex-start;
    word-break: break-word;
}

.z37e96feature-item:last-child { margin-bottom: 0; }

.z37e96feature-item i { color: var(--primary-color); margin-top: 0.15rem; flex-shrink: 0; }

.z37e96security-certificates { margin-top: 2.5rem; }

.z37e96cert-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.z37e96certificate-card {
    background: var(--surface);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    text-align: center;
    height: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.z37e96certificate-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

.z37e96certificate-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.35rem; }

.z37e96certificate-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* ========== FAQ ========== */
.z37e96faq-section {
    padding: var(--section-y) 0;
    background: var(--surface);
}

.z37e96faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--grid-gap);
    max-width: 960px;
    margin: 0 auto;
    align-items: start;
}

.z37e96faq-item {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--surface-2);
    min-width: 0;
}

.z37e96faq-question {
    width: 100%;
    text-align: left;
    border: none;
    background: transparent;
    padding: 1rem 1.1rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.z37e96faq-question i { color: var(--primary-color); flex-shrink: 0; transition: transform var(--t) var(--ease); }

.z37e96faq-question[aria-expanded="true"] i { transform: rotate(180deg); }

.z37e96faq-answer {
    padding: 0 1.1rem 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
    word-break: break-word;
}

/* ========== Article ========== */
.z37e96article-section {
    padding: var(--section-y) 0;
    background: var(--surface-2);
}

.z37e96article-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.z37e96article-header h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 800;
    margin: 0;
}

.z37e96article-grid .card {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--surface);
    transition: box-shadow var(--t) var(--ease);
    height: 100%;
}

.z37e96article-grid .card:hover { box-shadow: var(--shadow-md); }

.z37e96thumb-home {
    height: 110px;
    object-fit: cover;
    width: 100%;
}

.z37e96article-grid .card-body { padding: 0.75rem; }

.z37e96article-grid h3.h5 {
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

.z37e96article-grid h3.h5 a { color: var(--text-color); }

.z37e96article-grid h3.h5 a:hover { color: var(--primary-dark); }

/* ========== Footer ========== */
.z37e96footer {
    background: #0f172a;
    color: rgba(226, 232, 240, 0.75);
    padding: 3rem 0 1.5rem;
}

.z37e96footer p { font-size: 0.88rem; line-height: 1.65; color: rgba(226, 232, 240, 0.65); }

.z37e96footer-title {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.z37e96footer-links { list-style: none; padding: 0; margin: 0; }

.z37e96footer-links li { margin-bottom: 0.45rem; }

.z37e96footer-link {
    color: rgba(226, 232, 240, 0.65);
    text-decoration: none;
    font-size: 0.88rem;
}

.z37e96footer-link:hover { color: #5eead4; }

.z37e96friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z37e96friend-links a {
    color: rgba(226, 232, 240, 0.55);
    text-decoration: none;
    font-size: 0.82rem;
}

.z37e96friend-links a:hover { color: #5eead4; }

.z37e96footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 2rem;
    padding-top: 1.25rem;
    font-size: 0.82rem;
    color: rgba(226, 232, 240, 0.5);
}

.z37e96footer-bottom a { color: rgba(226, 232, 240, 0.65); text-decoration: none; }

.z37e96footer-bottom a:hover { color: #5eead4; }

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
    .z37e96security-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 991px) {
    :root {
        --section-y: 48px;
        --grid-gap: 1rem;
    }

    .z37e96trust-items { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z37e96about-layout { grid-template-columns: 1fr; }
    .z37e96about-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z37e96pillar-grid { grid-template-columns: 1fr; }
    .z37e96split-band { grid-template-columns: 1fr; }
    .z37e96split-band-list {
        width: 100%;
        padding-top: 0.5rem;
        border-top: 1px solid var(--border-on-dark);
    }
    .z37e96steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z37e96stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z37e96download-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }
    .z37e96cert-grid { grid-template-columns: 1fr; }
    .z37e96hero-panel-dl { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
    html { scroll-padding-top: 64px; }

    :root {
        --card-padding: 1.15rem;
        --card-padding-sm: 1rem;
    }

    .z37e96container.container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .z37e96container.container .row {
        --bs-gutter-x: 0.75rem;
    }

    /* 导航 */
    .z37e96navbar {
        padding: 0.5rem 0;
    }

    .z37e96navbar-brand img {
        height: 36px;
    }

    .z37e96navbar .navbar-nav {
        gap: 0.15rem;
    }

    .z37e96navbar .navbar-nav .nav-link {
        padding: 0.65rem 0.5rem !important;
        font-size: 0.88rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        word-break: break-word;
    }

    /* Hero */
    .z37e96hero-section {
        text-align: center;
        padding: 36px 0 44px;
    }

    .z37e96hero-kicker {
        font-size: 0.68rem;
        letter-spacing: 0.08em;
        line-height: 1.4;
    }

    .z37e96hero-title {
        font-size: 1.65rem;
        margin-bottom: 0.85rem;
    }

    .z37e96hero-title-accent {
        font-size: 0.48em;
        line-height: 1.35;
    }

    .z37e96hero-subtitle {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
        font-size: 0.88rem;
        line-height: 1.7;
        text-align: left;
    }

    .z37e96hero-meta {
        align-items: stretch;
        margin-bottom: 1.25rem;
    }

    .z37e96hero-meta li {
        justify-content: flex-start;
        text-align: left;
        font-size: 0.82rem;
    }

    .z37e96hero-buttons {
        flex-direction: column;
        gap: 0.55rem;
    }

    .z37e96hero-buttons .btn {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.92rem;
        white-space: normal;
    }

    .z37e96hero-panel {
        margin-top: 0.25rem;
        text-align: left;
    }

    .z37e96hero-panel-head {
        font-size: 0.7rem;
    }

    .z37e96hero-image {
        max-width: min(220px, 88vw);
        margin: 0 auto;
    }

    /* 与首页其它区块对齐：左标题在窄屏改为居中 */
    .z37e96section-header--left {
        text-align: center;
    }

    .z37e96section-header--left .z37e96section-desc,
    .z37e96section-header--left .z37e96section-desc--wide {
        margin-left: auto;
        margin-right: auto;
    }

    .z37e96section-title {
        font-size: 1.35rem;
    }

    .z37e96section-desc {
        font-size: 0.9rem;
        line-height: 1.65;
    }

    .z37e96section-desc--wide {
        font-size: 0.88rem;
    }

    .z37e96section-header {
        margin-bottom: 1.5rem;
        padding: 0;
    }

    .z37e96section-tag {
        font-size: 0.7rem;
        padding: 0.3rem 0.65rem;
    }

    .z37e96h3 {
        font-size: 1rem;
    }

    .z37e96trust-items {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .z37e96trust-item {
        font-size: 0.8rem;
        padding: 0.35rem 0;
    }

    .z37e96about-cards {
        grid-template-columns: 1fr;
    }

    .z37e96about-content p,
    .z37e96checklist {
        font-size: 0.88rem;
    }

    .z37e96pillar {
        padding: var(--card-padding-sm);
    }

    .z37e96pillar h3 {
        font-size: 1rem;
    }

    .z37e96pillar p {
        font-size: 0.85rem;
    }

    .z37e96split-band {
        padding: var(--card-padding-sm);
    }

    .z37e96split-band h3 {
        font-size: 1rem;
    }

    .z37e96split-band p,
    .z37e96split-band-list li {
        font-size: 0.82rem;
    }

    .z37e96steps {
        grid-template-columns: 1fr;
    }

    .z37e96step-card {
        padding: var(--card-padding-sm);
    }

    .z37e96guide-cta {
        margin-top: 1.5rem;
    }

    .z37e96guide-cta .btn {
        width: 100%;
    }

    .z37e96stats-section {
        padding: 40px 0;
    }

    .z37e96stats-intro {
        font-size: 0.82rem;
        margin-bottom: 1.5rem;
        padding: 0 0.25rem;
    }

    .z37e96stats-grid {
        gap: 0.6rem;
    }

    .z37e96stat-item {
        padding: 0.85rem 0.45rem;
    }

    .z37e96stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .z37e96stat-number {
        font-size: 1.45rem;
    }

    .z37e96stat-label {
        font-size: 0.72rem;
    }

    .z37e96download-grid {
        max-width: 100%;
    }

    .z37e96download-card .card-body {
        padding: var(--card-padding-sm);
    }

    .z37e96download-card-header {
        flex-wrap: wrap;
        gap: 0.65rem;
    }

    .z37e96download-info {
        padding: 0.8rem;
    }

    .z37e96download-action .btn {
        white-space: normal;
        min-height: 48px;
        padding: 0.65rem 0.85rem;
        font-size: 0.88rem;
    }

    .z37e96download-note {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: var(--card-padding-sm);
        margin-top: 1.5rem;
    }

    .z37e96download-note-content {
        text-align: left;
    }

    .z37e96download-note-content h4 {
        text-align: center;
        font-size: 0.95rem;
    }

    .z37e96qr-box {
        margin: 0 auto;
    }

    .z37e96security-card {
        padding: var(--card-padding-sm);
    }

    .z37e96security-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 0.75rem;
    }

    .z37e96security-features {
        padding: 0.65rem 0.75rem;
    }

    .z37e96faq-grid {
        grid-template-columns: 1fr;
    }

    .z37e96faq-question {
        font-size: 0.84rem;
        padding: 0.9rem 1rem;
        line-height: 1.45;
    }

    .z37e96faq-answer {
        font-size: 0.82rem;
        padding: 0 1rem 0.9rem;
    }

    .z37e96security-grid {
        grid-template-columns: 1fr;
    }

    .z37e96article-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .z37e96article-header h2 {
        text-align: center;
        font-size: 1.25rem;
    }

    .z37e96article-header .btn {
        width: 100%;
    }

    .z37e96article-grid .card-body {
        padding: 0.65rem;
    }

    .z37e96article-grid .card-body .small {
        font-size: 0.72rem !important;
        line-height: 1.35;
    }

    .z37e96thumb-home,
    #article .z37e96thumb-home {
        height: 100px !important;
    }

    #article h3.h5,
    .z37e96article-grid h3.h5 {
        font-size: 0.78rem;
        line-height: 1.38;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .z37e96footer {
        padding: 2.25rem 0 1.25rem;
        text-align: center;
    }

    .z37e96footer-brand {
        display: inline-block;
    }

    .z37e96footer-brand img {
        height: 36px;
    }

    .z37e96footer-title {
        margin-top: 0.35rem;
        font-size: 0.9rem;
    }

    .z37e96friend-links {
        justify-content: center;
    }

    .z37e96footer-bottom {
        font-size: 0.78rem;
        line-height: 1.65;
    }

    .z37e96footer-bottom p {
        word-break: break-word;
    }

    .z37e96pillar:hover,
    .z37e96download-card:hover,
    .z37e96article-grid .card:hover {
        box-shadow: none;
    }

    .z37e96btn-primary:hover,
    .z37e96btn-secondary:hover {
        transform: none;
    }
}

@media (max-width: 575px) {
    .z37e96hero-title {
        font-size: 1.45rem;
    }

    .z37e96section-title {
        font-size: 1.22rem;
    }

    .z37e96stat-number {
        font-size: 1.28rem;
    }

    .z37e96stat-label {
        font-size: 0.68rem;
    }

    .z37e96download-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .z37e96download-card-header > div:last-child {
        text-align: center;
        width: 100%;
    }

    .z37e96platform-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .z37e96thumb-home,
    #article .z37e96thumb-home {
        height: 92px !important;
    }

    .z37e96article-grid h3.h5 {
        font-size: 0.74rem;
    }
}

@media (max-width: 359px) {
    .z37e96container.container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .z37e96hero-title {
        font-size: 1.3rem;
    }

    .z37e96stats-grid {
        gap: 0.45rem;
    }

    .z37e96stat-item {
        padding: 0.75rem 0.3rem;
    }

    .z37e96article-grid {
        --bs-gutter-x: 0.5rem;
    }
}

/* 列表页/内容页分页 */
.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pagebar .pagelist li { display: inline-flex; margin: 0; }

@media (max-width: 767px) {
    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        margin-bottom: 0.35rem;
        line-height: 1.35;
    }

    .listbox .e2 li p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .z37e96thumb-list,
    .z37e96thumb-related { height: 72px !important; }

    .z37e96thumb-side { height: 50px !important; }

    .z37e96thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }
}

@media (max-width: 575px) {
    .z37e96thumb-list,
    .z37e96thumb-related { height: 64px !important; }

    .z37e96thumb-side { height: 46px !important; }

    .z37e96thumb-cover { height: 150px !important; }

    .pagebar .pagelist { gap: 0.35rem; }
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 148, 136, 0.22);
}