:root {
    /* 全新主色：青绿系（币安式深色 UI + 与旧版铜赭完全不同的强调色） */
    --primary-color: #00d4aa;
    --primary-dark: #00a884;
    --primary-soft: rgba(0, 212, 170, 0.16);
    --secondary-color: #0b0e11;
    --accent-color: #3b82f6;
    --bn-bg: #0b0e11;
    --bn-panel: #181a20;
    --bn-panel-2: #1e2329;
    --bn-line: rgba(234, 236, 239, 0.08);
    --bn-text: #eaecef;
    --bn-muted: #848e9c;
    --surface: #f5f6fa;
    --surface-elevated: #ffffff;
    --text-color: #1e2329;
    --text-muted: #474d57;
    --border-subtle: rgba(30, 35, 41, 0.12);
    --border-inner: rgba(30, 35, 41, 0.08);
    --gray-100: #f0f2f5;
    --gray-200: #e8e8e8;
    --ink: #1e2329;
    --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --font-display: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --transition-speed: 0.22s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sharp: 8px;
    --radius-inner: 4px;
    /* 板块外框与内部分隔统一 1px，强调条统一 2px（避免 3px/2px/1px 混用显得「有的粗有的细」） */
    --line-outer: 1px;
    --line-inner: 1px;
    --rule-accent: 2px solid var(--primary-color);
    --rule-accent-on-dark: 2px solid rgba(0, 212, 170, 0.5);
    --shadow-soft: 0 4px 24px rgba(11, 14, 17, 0.06);
    --shadow-lift: 0 8px 32px rgba(11, 14, 17, 0.1);
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    line-height: 1.6;
    background: var(--surface);
    overflow-x: hidden;
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
}

.container .row > [class*="col-"] {
    min-width: 0;
}

.min-w-0 {
    min-width: 0;
}

/* —— 导航（币安式深色顶栏） —— */
.zc1f07navbar {
    background: rgba(11, 14, 17, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--line-outer) solid var(--bn-line);
    padding: 0.45rem 0;
}

.zc1f07navbar-brand img {
    height: 40px;
    width: auto;
    max-height: 40px;
}

.zc1f07nav-link {
    color: var(--bn-text) !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.45rem 0.6rem !important;
    border-radius: var(--radius-inner);
    letter-spacing: 0.01em;
    transition: color var(--transition-speed), background var(--transition-speed);
    white-space: normal;
    word-break: break-word;
}

.zc1f07nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(0, 212, 170, 0.08);
}

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

.navbar-collapse {
    background: var(--bn-panel-2);
    padding: 0.5rem;
    border-radius: var(--radius-sharp);
    margin-top: 0.45rem;
    border: var(--line-outer) solid var(--bn-line);
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
        border: none;
        padding: 0;
        margin-top: 0;
    }
}

/* ========== 首页首屏：深色栅格 + 青绿强调 ========== */
.zc1f07home .zc1f07hero-section {
    position: relative;
    overflow: hidden;
    color: var(--bn-text);
    padding: clamp(2.75rem, 8vw, 4.5rem) 0 clamp(2.25rem, 6vw, 3.5rem);
    background: var(--bn-bg);
    border-bottom: var(--line-outer) solid var(--bn-line);
}

.zc1f07hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 55% at 100% 0%, rgba(0, 212, 170, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 40% at 0% 100%, rgba(59, 130, 246, 0.08), transparent 50%),
        linear-gradient(180deg, #0b0e11 0%, #12161c 100%);
    pointer-events: none;
}

.zc1f07hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: clamp(1.75rem, 4vw, 2.5rem);
    align-items: start;
    min-width: 0;
}

.zc1f07hero-copy,
.zc1f07hero-aside {
    min-width: 0;
}

@media (min-width: 992px) {
    .zc1f07hero-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        align-items: stretch;
    }
}

.zc1f07hero-eyebrow {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bn-muted);
    margin-bottom: 0.85rem;
}

.zc1f07live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.25);
    flex-shrink: 0;
}

.zc1f07hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 0.85rem;
    color: #fff;
}

.zc1f07hero-lead {
    font-size: clamp(0.95rem, 1.85vw, 1.05rem);
    color: var(--bn-muted);
    max-width: 36rem;
    margin-bottom: 1.1rem;
}

.zc1f07hero-pills {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.zc1f07hero-pills li {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.28rem 0.55rem;
    border: var(--line-inner) solid var(--bn-line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--bn-muted);
    border-radius: 999px;
}

.zc1f07hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.zc1f07hero-actions .btn {
    font-weight: 600;
    border-radius: var(--radius-sharp);
    padding: 0.65rem 1.15rem;
}

.zc1f07btn {
    border-radius: var(--radius-sharp);
    font-weight: 600;
}

.zc1f07btn-accent {
    background: var(--primary-color) !important;
    color: #0b0e11 !important;
    border: none !important;
}

.zc1f07btn-accent:hover {
    background: var(--primary-dark) !important;
    color: #fff !important;
    filter: brightness(1.05);
}

.zc1f07btn-ghost {
    background: transparent !important;
    color: var(--bn-text) !important;
    border: var(--line-outer) solid var(--bn-line) !important;
}

.zc1f07btn-ghost:hover {
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.zc1f07btn-block {
    width: 100%;
}

.zc1f07hero-aside {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
}

.zc1f07hero-card {
    background: var(--bn-panel);
    border: var(--line-outer) solid var(--bn-line);
    border-radius: var(--radius-sharp);
    padding: 0.85rem 0.9rem 1rem;
    box-shadow: var(--shadow-lift);
    overflow: hidden;
}

.zc1f07hero-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bn-muted);
    margin-bottom: 0.65rem;
}

.zc1f07hero-card-tag {
    color: var(--primary-color);
    border: var(--line-inner) solid rgba(0, 212, 170, 0.35);
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.65rem;
}

.zc1f07hero-shot {
    display: block;
    width: 100%;
    max-width: min(280px, 100%);
    margin: 0 auto;
    height: auto;
    border-radius: var(--radius-inner);
}

.zc1f07hero-tips {
    display: grid;
    gap: 0.6rem;
}

.zc1f07hero-tips p {
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--bn-muted);
    margin: 0;
    padding: 0.65rem 0.75rem;
    border-left: var(--rule-accent);
    background: rgba(0, 212, 170, 0.06);
    border-radius: 0 var(--radius-inner) var(--radius-inner) 0;
    overflow-wrap: anywhere;
}

.zc1f07hero-tips strong {
    color: var(--bn-text);
}

/* —— 导读条带 —— */
.zc1f07intro-slab {
    background: var(--surface-elevated);
    border-bottom: var(--line-outer) solid var(--gray-200);
    padding: clamp(2rem, 4.5vw, 2.75rem) 0;
}

.zc1f07intro-head {
    max-width: 52rem;
    margin-bottom: 1.5rem;
}

.zc1f07intro-lead {
    font-size: clamp(0.95rem, 1.7vw, 1.05rem);
    color: var(--text-muted);
    line-height: 1.7;
}

.zc1f07intro-tile {
    height: 100%;
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    padding: 1.1rem 1.15rem;
    background: var(--gray-100);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.zc1f07intro-tile:hover {
    border-color: rgba(0, 212, 170, 0.35);
    box-shadow: var(--shadow-soft);
}

.zc1f07intro-ico {
    font-size: 1.35rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.zc1f07intro-tile h3 {
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.4rem;
}

/* —— 分区标题 —— */
.zc1f07section-head {
    text-align: left;
    max-width: 44rem;
    margin: 0 0 1.65rem;
    padding-bottom: 0.75rem;
    border-bottom: var(--rule-accent);
}

.zc1f07section-head h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.35rem, 2.6vw, 1.75rem);
    color: var(--ink);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.zc1f07section-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.6;
}

.zc1f07section-head--on-dark h2 {
    color: #fff;
}

.zc1f07section-head--on-dark p {
    color: var(--bn-muted);
}

.zc1f07section-head--on-dark {
    border-bottom: var(--rule-accent-on-dark);
}

.zc1f07band {
    padding: clamp(2.25rem, 5vw, 3.25rem) 0;
}

.zc1f07band--deep {
    background: var(--bn-bg);
    color: var(--bn-text);
    /* 顶部分隔由上一区块（如首屏/导读）底边承担，避免与相邻深色底边叠成双实线 */
    border-top: none;
    border-bottom: var(--line-outer) solid var(--bn-line);
}

.zc1f07band--muted {
    background: var(--gray-100);
    border-top: var(--line-outer) solid var(--gray-200);
    border-bottom: var(--line-outer) solid var(--gray-200);
}

/* —— 产品矩阵：等宽卡片栅格（非旧版 Bento） —— */
.zc1f07feat-grid {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: 1fr;
    min-width: 0;
}

@media (min-width: 576px) {
    .zc1f07feat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .zc1f07feat-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

.zc1f07feat-card {
    background: var(--bn-panel);
    border: var(--line-outer) solid var(--bn-line);
    border-radius: var(--radius-sharp);
    padding: 1.15rem 1.1rem;
    min-height: 100%;
    transition: border-color var(--transition-speed), transform var(--transition-speed);
}

.zc1f07feat-card:hover {
    border-color: rgba(0, 212, 170, 0.4);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}

.zc1f07feat-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-inner);
    background: rgba(0, 212, 170, 0.12);
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.65rem;
}

.zc1f07feat-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.45rem;
}

.zc1f07feat-card p {
    font-size: 0.86rem;
    color: var(--bn-muted);
    margin: 0;
    line-height: 1.55;
}

/* —— 开户步骤 —— */
.zc1f07guide-section {
    padding: clamp(2.25rem, 5vw, 3.25rem) 0;
    background: var(--surface-elevated);
}

.zc1f07step-track {
    display: grid;
    gap: 0;
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    overflow: hidden;
    background: var(--surface-elevated);
}

.zc1f07step-node {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1.1rem 1.15rem;
    border-bottom: var(--line-inner) solid var(--gray-200);
    min-width: 0;
}

.zc1f07step-node:last-child {
    border-bottom: none;
}

.zc1f07step-num {
    font-family: ui-monospace, "Consolas", monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-inner);
    line-height: 1;
}

.zc1f07step-node h3 {
    color: var(--ink);
    font-weight: 700;
}

/* —— 数据洞察 —— */
.zc1f07stats-section {
    background: var(--bn-panel-2);
    color: var(--bn-text);
    padding: clamp(2rem, 4vw, 2.75rem) 0;
    border-top: var(--line-outer) solid var(--bn-line);
    border-bottom: none;
}

.zc1f07stat-board {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border: var(--line-outer) solid var(--bn-line);
    border-radius: var(--radius-sharp);
    overflow: hidden;
}

@media (min-width: 768px) {
    .zc1f07stat-board {
        grid-template-columns: repeat(4, 1fr);
    }
}

.zc1f07stat-unit {
    padding: 1.15rem 0.85rem;
    text-align: center;
    border-bottom: var(--line-inner) solid var(--bn-line);
    background: rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
    .zc1f07stat-unit {
        border-bottom: none;
        border-right: var(--line-inner) solid var(--bn-line);
    }

    .zc1f07stat-unit:last-child {
        border-right: none;
    }
}

.zc1f07stat-unit:last-child {
    border-bottom: none;
}

.zc1f07stat-number {
    font-family: ui-monospace, "Cascadia Mono", "Consolas", monospace;
    font-size: clamp(1.45rem, 3.2vw, 2rem);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.15;
    margin-bottom: 0.35rem;
}

.zc1f07stat-em {
    letter-spacing: 0.02em;
}

.zc1f07stat-label {
    font-size: 0.78rem;
    color: var(--bn-muted);
    line-height: 1.35;
    max-width: 14rem;
    margin: 0 auto;
    overflow-wrap: anywhere;
}

.zc1f07stat-footnote {
    text-align: center;
    color: var(--bn-muted);
    margin-top: 1rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

/* —— 下载中心 —— */
.zc1f07download-section {
    padding: clamp(2.25rem, 5vw, 3.25rem) 0;
    background: var(--surface);
    border-top: var(--line-outer) solid var(--gray-200);
}

.zc1f07download-header h2 {
    font-weight: 700;
    color: var(--ink);
}

.zc1f07download-subtitle {
    color: var(--text-muted);
}

.zc1f07dl-split {
    display: grid;
    gap: 0;
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
    max-width: 100%;
}

@media (min-width: 768px) {
    .zc1f07dl-split {
        grid-template-columns: 1fr 1fr;
    }
}

.zc1f07dl-panel {
    padding: 1.25rem 1.15rem;
    box-sizing: border-box;
    min-width: 0;
    overflow-x: clip;
}

.zc1f07dl-panel--dark {
    background: var(--bn-panel);
    color: var(--bn-text);
    border-bottom: var(--line-outer) solid var(--bn-line);
}

.zc1f07dl-panel--dark h3 {
    color: #fff;
}

.zc1f07dl-panel--dark .text-muted {
    color: var(--bn-muted) !important;
}

.zc1f07dl-panel--light {
    background: var(--surface-elevated);
    color: var(--text-color);
}

@media (min-width: 768px) {
    .zc1f07dl-panel--dark {
        border-bottom: none;
        border-right: var(--line-outer) solid var(--bn-line);
    }
}

.zc1f07dl-panel .zc1f07platform-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.zc1f07dl-panel--dark .zc1f07ios-icon {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.zc1f07dl-panel--dark .zc1f07android-icon {
    background: rgba(0, 212, 170, 0.2);
    color: var(--primary-color);
}

.zc1f07dl-panel--light .zc1f07ios-icon {
    background: var(--bn-bg);
    color: #fff;
}

.zc1f07dl-panel--light .zc1f07android-icon {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.zc1f07dl-panel .zc1f07download-info {
    background: rgba(255, 255, 255, 0.04);
    border: var(--line-inner) solid var(--bn-line);
    border-radius: var(--radius-inner);
    padding: 0.9rem;
    box-sizing: border-box;
}

.zc1f07dl-panel--light .zc1f07download-info {
    background: var(--gray-100);
    border: var(--line-outer) solid var(--gray-200);
}

.zc1f07info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    gap: 0.45rem;
    font-size: 0.84rem;
}

.zc1f07info-item:last-child {
    margin-bottom: 0;
}

.zc1f07dl-panel--dark .zc1f07info-item i {
    color: var(--primary-color);
}

.zc1f07dl-panel--light .zc1f07info-item i {
    color: var(--primary-dark);
}

.zc1f07channel-strip {
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    background: var(--surface-elevated);
    padding: 1.1rem 1.15rem;
    margin-top: 1.15rem;
    box-sizing: border-box;
    max-width: 100%;
    overflow-x: clip;
}

.zc1f07channel-strip h3 {
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.4rem;
}

.zc1f07channel-strip p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

/* —— 安全体系 —— */
.zc1f07security-section {
    padding: clamp(2.25rem, 5vw, 3.25rem) 0;
    background: var(--surface-elevated);
    border-top: var(--line-outer) solid var(--gray-200);
}

.zc1f07security-header h2 {
    font-weight: 700;
    color: var(--ink);
}

.zc1f07security-subtitle {
    color: var(--text-muted);
}

.zc1f07sec-card {
    height: 100%;
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    padding: 1.05rem 1.1rem;
    background: var(--gray-100);
    border-top: var(--rule-accent);
    min-width: 0;
    box-sizing: border-box;
}

.zc1f07sec-card h3 {
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.zc1f07security-certificates {
    margin-top: 0.5rem;
}

.zc1f07certificate-card {
    border: var(--line-outer) solid var(--gray-200);
    padding: 1rem 0.95rem;
    text-align: left;
    background: var(--surface-elevated);
    height: 100%;
    border-radius: var(--radius-sharp);
    box-sizing: border-box;
    min-width: 0;
    overflow-x: clip;
}

.zc1f07certificate-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.35rem;
}

.zc1f07certificate-card p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.5;
}

.zc1f07certificate-icon {
    display: none;
}

/* —— 帮助中心：折叠面板 —— */
/* 顶部分隔由 .zc1f07band--muted 的 border-top 承担，避免与 faq-slab 叠成双实线 */
.zc1f07faq-slab {
    border-top: none;
}

.zc1f07faq-stack {
    max-width: min(48rem, 100%);
    margin: 0 auto;
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    overflow: hidden;
    background: var(--surface-elevated);
}

.zc1f07faq-details {
    border-bottom: var(--line-inner) solid var(--gray-200);
}

.zc1f07faq-details:last-child {
    border-bottom: none;
}

.zc1f07faq-details summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.1rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    user-select: none;
}

.zc1f07faq-details summary::-webkit-details-marker {
    display: none;
}

.zc1f07faq-details summary::after {
    content: "+";
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--primary-dark);
    flex-shrink: 0;
}

.zc1f07faq-details[open] summary::after {
    content: "−";
}

.zc1f07faq-details summary:hover {
    background: var(--gray-100);
}

.zc1f07faq-body {
    padding: 0 1.1rem 1rem;
}

.zc1f07faq-body p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    overflow-wrap: anywhere;
}

/* —— 文章区 —— */
.zc1f07mag-band {
    background: var(--surface);
    /* 与上方 FAQ 区块仅保留一条分隔（由 band--muted 的 border-bottom 承担） */
    border-top: none;
}

.zc1f07mag-title {
    font-weight: 700;
    color: var(--ink);
}

.zc1f07article-card {
    border: var(--line-outer) solid var(--gray-200) !important;
    border-radius: var(--radius-sharp) !important;
    overflow: hidden;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.zc1f07article-card:hover {
    border-color: rgba(0, 212, 170, 0.35) !important;
    box-shadow: var(--shadow-lift) !important;
}

#article .card {
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
}

#article .card:hover {
    box-shadow: var(--shadow-lift);
}

/* —— 页脚 —— */
.zc1f07footer {
    background: var(--bn-bg);
    padding: 2.5rem 0 1.25rem;
    color: var(--bn-muted);
}

.zc1f07footer .zc1f07footer-title {
    color: #fff;
    font-weight: 700;
}

.zc1f07footer-link {
    color: var(--bn-muted);
}

.zc1f07footer-link:hover {
    color: var(--primary-color);
}

.zc1f07footer-bottom {
    border-top: var(--line-outer) solid var(--bn-line);
    padding-top: 1.25rem;
}

.zc1f07footer-bottom a {
    color: var(--bn-text);
}

.zc1f07footer-bottom a:hover {
    color: var(--primary-color);
}

/* —— 子页 —— */
.zc1f07page-shell {
    padding: clamp(2rem, 4vw, 3rem) 0;
    background: var(--surface);
    min-height: 50vh;
}

.zc1f07page-shell .card {
    border: var(--line-outer) solid var(--gray-200);
    border-radius: var(--radius-sharp);
    overflow: clip;
    box-sizing: border-box;
}

.zc1f07page-shell .card.shadow-sm {
    box-shadow: var(--shadow-soft) !important;
}

.zc1f07page-shell aside a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
}

.zc1f07page-shell aside a:hover {
    text-decoration: underline;
}

.btn-primary {
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark)) !important;
    border: none !important;
    color: #0b0e11 !important;
}

.btn-primary:hover {
    color: #fff !important;
}

.btn-outline-primary {
    color: var(--primary-dark) !important;
    border-color: var(--primary-color) !important;
    font-weight: 600 !important;
}

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: #0b0e11 !important;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--primary-soft);
}

.zc1f07sidebar-title {
    color: var(--ink);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.45rem;
    border-bottom: var(--rule-accent);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zc1f07feat-card,
.zc1f07dl-split,
.zc1f07faq-details,
.zc1f07hero-card {
    animation: fadeIn 0.45s var(--transition-easing) forwards;
}

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

.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;
}

.zc1f07thumb-home {
    border-radius: var(--radius-inner) var(--radius-inner) 0 0;
}

.zc1f07friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
}

.zc1f07friend-links li {
    display: inline;
}

.zc1f07friend-links a {
    color: var(--bn-muted);
    text-decoration: none;
}

.zc1f07friend-links a:hover {
    color: var(--primary-color);
}

.zc1f07article-content {
    line-height: 1.75;
    word-break: break-word;
}

.zc1f07article-content img {
    max-width: 100%;
    height: auto;
}

.zc1f07diyfield {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.zc1f07meta-tags {
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.zc1f07meta-tags .list-inline-item {
    margin-right: 0 !important;
    display: inline-block;
}

.zc1f07tagitem a {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 2px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
}

.zc1f07tagitem a:hover {
    background: rgba(0, 212, 170, 0.28);
}

.zc1f07pages .pagelist a {
    color: var(--primary-dark);
    font-weight: 600;
}

body .text-primary {
    color: var(--primary-color) !important;
}

@media (max-width: 767px) {
    .zc1f07navbar {
        padding: 0.4rem 0;
    }

    .zc1f07navbar .navbar-brand {
        max-width: calc(100% - 3.5rem);
        overflow: hidden;
    }

    .zc1f07navbar .navbar-brand img {
        max-width: 100%;
        height: auto;
        max-height: 38px;
    }

    .zc1f07navbar .navbar-collapse {
        max-height: min(72vh, 28rem);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
    }

    .zc1f07navbar .navbar-nav .nav-link {
        padding: 0.5rem 0.45rem !important;
        font-size: 0.86rem;
        min-height: 2.75rem;
        display: flex;
        align-items: center;
    }

    .zc1f07home .zc1f07hero-section {
        padding-top: clamp(1.6rem, 6vw, 2.5rem);
        padding-bottom: clamp(1.4rem, 5vw, 2.25rem);
    }

    .zc1f07hero-title {
        font-size: clamp(1.45rem, 6.5vw, 2.05rem);
        overflow-wrap: anywhere;
    }

    .zc1f07hero-lead {
        font-size: 0.92rem;
        line-height: 1.62;
    }

    .zc1f07hero-pills {
        gap: 0.32rem;
        margin-bottom: 1rem;
    }

    .zc1f07hero-pills li {
        font-size: 0.62rem;
        padding: 0.24rem 0.42rem;
    }

    .zc1f07hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .zc1f07hero-actions .btn {
        width: 100%;
        min-height: 2.75rem;
        font-size: 0.9rem;
    }

    .zc1f07intro-slab {
        padding-top: clamp(1.6rem, 5vw, 2.25rem);
        padding-bottom: clamp(1.6rem, 5vw, 2.25rem);
    }

    .zc1f07intro-lead {
        font-size: 0.92rem;
        line-height: 1.68;
    }

    .zc1f07intro-tile {
        padding: 1rem 0.9rem;
    }

    .zc1f07band {
        padding-top: clamp(1.65rem, 5vw, 2.5rem);
        padding-bottom: clamp(1.65rem, 5vw, 2.5rem);
    }

    .zc1f07section-head {
        margin-bottom: 1.25rem;
        max-width: 100%;
    }

    .zc1f07section-head h2 {
        font-size: clamp(1.22rem, 5vw, 1.65rem);
    }

    .zc1f07section-head p {
        font-size: 0.88rem;
        line-height: 1.58;
    }

    .zc1f07feat-card {
        padding: 1rem 0.9rem;
    }

    .zc1f07feat-card h3 {
        font-size: 0.95rem;
    }

    .zc1f07feat-card p {
        font-size: 0.84rem;
    }

    .zc1f07guide-section {
        padding-top: clamp(1.65rem, 5vw, 2.5rem);
        padding-bottom: clamp(1.65rem, 5vw, 2.5rem);
    }

    .zc1f07step-node {
        padding: 1rem 0.9rem;
        gap: 0.75rem;
    }

    .zc1f07stats-section {
        padding-top: clamp(1.45rem, 4vw, 2rem);
        padding-bottom: clamp(1.45rem, 4vw, 2rem);
    }

    .zc1f07stat-number {
        font-size: clamp(1.3rem, 5vw, 1.75rem);
    }

    .zc1f07stat-label {
        max-width: 100%;
        padding: 0 0.2rem;
        font-size: 0.72rem;
    }

    .zc1f07stat-unit {
        border-right: none;
    }

    .zc1f07download-section {
        padding-top: clamp(1.65rem, 5vw, 2.5rem);
        padding-bottom: clamp(1.65rem, 5vw, 2.5rem);
    }

    .zc1f07dl-panel {
        padding: 1.05rem 0.9rem;
    }

    .zc1f07download-subtitle {
        font-size: 0.88rem !important;
        line-height: 1.55 !important;
    }

    .zc1f07security-section {
        padding-top: clamp(1.65rem, 5vw, 2.5rem);
        padding-bottom: clamp(1.65rem, 5vw, 2.5rem);
    }

    .zc1f07sec-card {
        padding: 0.95rem 0.9rem;
    }

    .zc1f07certificate-card {
        padding: 0.95rem 0.85rem;
    }

    .zc1f07channel-strip {
        padding: 1rem 0.9rem;
        margin-top: 1rem;
    }

    .zc1f07faq-slab.py-4,
    .zc1f07faq-slab.py-md-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }

    .zc1f07faq-details summary {
        padding: 0.85rem 0.9rem;
        font-size: 0.9rem;
        min-height: 2.75rem;
        align-items: flex-start;
    }

    .zc1f07faq-body {
        padding: 0 0.9rem 0.95rem;
    }

    .zc1f07faq-body p {
        font-size: 0.84rem;
    }

    .zc1f07mag-band.py-4,
    .zc1f07mag-band.py-md-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }

    .zc1f07mag-band .d-flex.flex-column {
        align-items: stretch !important;
    }

    .zc1f07mag-band .btn {
        width: 100%;
        max-width: 100%;
    }

    .zc1f07footer {
        padding: 2rem 0 1.1rem;
    }

    .zc1f07footer-bottom p.small.mb-2 {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        column-gap: 0.35rem;
        row-gap: 0.4rem;
    }

    .zc1f07footer-bottom p.small.mb-2 > span {
        opacity: 0.45;
        flex: 0 0 auto;
    }

    .zc1f07page-shell {
        padding-top: 1.5rem !important;
        padding-bottom: 2rem !important;
    }

    .zc1f07page-shell h1.h3 {
        font-size: clamp(1.05rem, 4.5vw, 1.35rem);
        line-height: 1.35;
        word-break: break-word;
    }

    .zc1f07page-shell header .small {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem 0.75rem;
        row-gap: 0.25rem;
    }

    #article .card-body {
        padding: 0.75rem;
    }

    #article .zc1f07thumb-home {
        height: 96px !important;
    }

    #article h3.h5,
    #article .card-body h3.h6,
    #article .card-body h3 {
        font-size: 0.95rem;
        line-height: 1.4;
        margin-bottom: 0;
        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;
        margin-bottom: 0.35rem;
        line-height: 1.35;
        word-break: break-word;
    }

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

    .zc1f07thumb-list,
    .zc1f07thumb-related {
        height: 72px !important;
    }

    .zc1f07thumb-side {
        height: 50px !important;
    }

    .zc1f07thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }

    .zc1f07hero-grid {
        gap: 1.35rem;
    }

    .zc1f07hero-card {
        padding: 0.8rem 0.85rem 0.95rem;
    }

    .zc1f07hero-tips p {
        padding: 0.6rem 0.65rem;
        font-size: 0.78rem;
    }

    .zc1f07dl-panel .d-flex.align-items-start {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
    }

    .zc1f07dl-panel .d-flex.align-items-start .ms-3 {
        margin-left: 0 !important;
    }

    .zc1f07dl-panel .d-flex.align-items-start .zc1f07platform-icon {
        align-self: flex-start;
    }

    .zc1f07download-action .btn {
        width: 100%;
        white-space: normal;
        min-height: 2.75rem;
    }

    .zc1f07stat-footnote {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .zc1f07footer .row > .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .zc1f07intro-head {
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 575px) {
    .listbox .e2 li .row {
        flex-direction: column;
        align-items: stretch;
    }

    .listbox .e2 li .row > [class*="col-"] {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%;
    }

    .listbox .e2 li .zc1f07thumb-list {
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 16 / 9;
        max-height: 200px;
        object-fit: cover;
    }

    #article .zc1f07thumb-home {
        height: 88px !important;
    }

    .zc1f07thumb-list,
    .zc1f07thumb-related {
        height: 64px !important;
    }

    .zc1f07thumb-side {
        height: 46px !important;
    }

    .zc1f07thumb-cover {
        height: 150px !important;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
    }

    .zc1f07hero-eyebrow {
        font-size: 0.68rem;
        letter-spacing: 0.06em;
    }

    .zc1f07hero-title {
        font-size: clamp(1.28rem, 7vw, 1.85rem);
    }

    .zc1f07footer-bottom {
        font-size: 0.8125rem;
    }

    .pagebar .pagelist a {
        min-height: 2.5rem;
        min-width: 2.5rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .zc1f07page-shell .list-unstyled li.mb-3 .row {
        flex-direction: column;
        align-items: stretch;
    }

    .zc1f07page-shell .list-unstyled li.mb-3 .row > [class*="col-"] {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%;
    }

    .zc1f07page-shell .list-unstyled li.mb-3 .zc1f07thumb-related {
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 16 / 9;
        max-height: 200px;
        object-fit: cover;
    }

    .zc1f07step-node {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .zc1f07step-num {
        width: fit-content;
    }

    .zc1f07feat-grid {
        gap: 0.7rem;
    }
}