/* ===== Page Hero ===== */
.docs-hero {
    padding: 120px 0 60px;
    background: radial-gradient(circle at top right, var(--primary-light), var(--bg-body) 60%);
    position: relative;
    overflow: hidden;
}
.docs-hero::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.docs-hero__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}
.docs-hero__text .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 16px;
}
.docs-hero__text .breadcrumb a { color: var(--primary-color); }
.docs-hero__text .breadcrumb i { font-size: 10px; }
.docs-hero__text h1 {
    font-size: 42px;
    letter-spacing: -1px;
    margin-bottom: 14px;
    line-height: 1.2;
}
.docs-hero__text p {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 560px;
    line-height: 1.7;
}
.docs-hero__stats {
    display: flex;
    gap: 32px;
    flex-shrink: 0;
}
.hero-stat { text-align: center; }
.hero-stat__num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}
.hero-stat__label {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 4px;
}

/* ===== Layout ===== */
.docs-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    align-items: start;
}

/* ===== Sidebar ===== */
.docs-sidebar {
    position: sticky;
    top: 100px;
    padding: 32px 20px 32px 0;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    scrollbar-width: none;
}
.docs-sidebar::-webkit-scrollbar { display: none; }
.docs-sidebar__title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 12px;
    padding-left: 14px;
}
.docs-nav { display: flex; flex-direction: column; gap: 2px; }
.docs-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-gray);
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
    border-left: 3px solid transparent;
}
.docs-nav a:hover { color: var(--text-dark); background: var(--bg-gray); }
.docs-nav a.active {
    color: var(--primary-color);
    background: var(--primary-light);
    border-left-color: var(--primary-color);
    font-weight: 600;
}
.docs-nav i { width: 16px; text-align: center; font-size: 14px; }
.docs-nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 14px;
}
.docs-sidebar__dl-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 16px 0 0;
    padding: 10px 16px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-orange);
}
.docs-sidebar__dl-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ===== Content Area ===== */
.docs-content {
    padding: 40px 0 80px 48px;
    border-left: 1px solid var(--border-color);
    min-width: 0;
}

/* ===== Section ===== */
.docs-section { margin-bottom: 64px; }
.docs-section + .docs-section { padding-top: 40px; border-top: 1px solid var(--border-color); }

/* Platform Header */
.docs-platform-head {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 36px;
}
.docs-platform-icon {
    width: 64px; height: 64px;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px;
    flex-shrink: 0;
}
.docs-platform-icon--start  { background: linear-gradient(135deg,#f0fdf4,#dcfce7); color: #16a34a; }
.docs-platform-icon--win    { background: linear-gradient(135deg,#eff6ff,#dbeafe); color: #2563eb; }
.docs-platform-icon--mac    { background: linear-gradient(135deg,#f5f3ff,#ede9fe); color: #7c3aed; }
.docs-platform-icon--android{ background: linear-gradient(135deg,#f0fdf4,#dcfce7); color: #16a34a; }
.docs-platform-icon--ios    { background: linear-gradient(135deg,#fdf4ff,#fae8ff); color: #9333ea; }
.docs-platform-icon--linux  { background: linear-gradient(135deg,#fff7ed,#ffedd5); color: #ea580c; }
.docs-platform-head h2 { font-size: 26px; margin-bottom: 6px; }
.docs-platform-head p  { font-size: 14px; color: var(--text-gray); line-height: 1.6; }

/* ===== Quick-Start Flow Cards ===== */
.qs-flow { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.qs-card {
    display: flex;
    gap: 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    transition: var(--transition);
}
.qs-card:hover { border-color: var(--primary-color); box-shadow: var(--shadow-md); }
.qs-card-left { display: flex; flex-direction: column; align-items: center; gap: 10px; flex-shrink: 0; }
.qs-card-num {
    width: 40px; height: 40px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 800;
    box-shadow: var(--shadow-orange);
}
.qs-card-icon { font-size: 22px; color: var(--text-gray); }
.qs-card-body { flex: 1; min-width: 0; }
.qs-card-body h3 { font-size: 18px; margin-bottom: 10px; }
.qs-card-body p  { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 14px; }
.qs-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.qs-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    padding: 8px 14px;
    background: var(--bg-gray);
    border-radius: 8px;
}
.qs-list-name { display: flex; align-items: center; gap: 6px; font-weight: 600; min-width: 120px; color: var(--text-dark); }
.qs-list-desc { color: var(--text-gray); }
.qs-code-block {
    background: #0f1117;
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 14px;
}
.qs-code-label { display: block; font-size: 11px; color: #6b7280; margin-bottom: 8px; font-family: monospace; }
.qs-code-block code { font-size: 13px; color: #60a5fa; font-family: monospace; word-break: break-all; }
.qs-tip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: #eff6ff;
    border-radius: 8px;
    font-size: 13px;
    color: #1e40af;
    line-height: 1.6;
}
.qs-tip i { flex-shrink: 0; margin-top: 2px; }
.qs-tip code { background: rgba(0,0,0,0.08); padding: 1px 5px; border-radius: 4px; font-family: monospace; }
.qs-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 4px;
}

/* Client Overview Grid */
.client-overview {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
}
.client-overview-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}
.client-overview-head i { color: var(--primary-color); }
.client-overview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}
.cov-item {
    text-align: center;
    padding: 16px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.cov-item:hover { border-color: var(--primary-color); background: var(--primary-light); }
.cov-item--primary { border-color: var(--primary-color); background: var(--primary-light); }
.cov-platform { font-size: 12px; color: var(--text-gray); margin-bottom: 6px; }
.cov-platform i { margin-right: 4px; }
.cov-client { font-size: 13px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.cov-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    background: var(--primary-color);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ===== Tutorial Steps ===== */
.tut-steps { display: flex; flex-direction: column; gap: 0; }
.tut-step {
    display: flex;
    gap: 20px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border-color);
}
.tut-step:last-child { border-bottom: none; }
.tut-step-num {
    width: 36px; height: 36px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 800;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: var(--shadow-orange);
}
.tut-step-body { flex: 1; min-width: 0; }
.tut-step-body h3 { font-size: 17px; margin-bottom: 12px; }
.tut-step-body h3 i { color: var(--primary-color); margin-right: 6px; }
.tut-step-body p { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 14px; }
.tut-step-body p:last-child { margin-bottom: 0; }

/* Mini steps */
.tut-mini-steps { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.tut-mini-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
}
.tut-mini-num {
    width: 24px; height: 24px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    flex-shrink: 0;
}
.tut-mini-step code {
    background: var(--bg-gray);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
}

/* Download Button in Tutorial */
.tut-dl-row { margin-bottom: 14px; }
.tut-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-orange);
}
.tut-dl-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* Tips */
.tut-tip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    font-size: 13px;
    color: #1e40af;
    line-height: 1.6;
    margin-bottom: 10px;
}
.tut-tip i { flex-shrink: 0; margin-top: 2px; }
.tut-tip > div, .tut-tip > span { min-width: 0; }
.tut-tip--success { background: #f0fdf4; border-color: #bbf7d0; color: #15803d; }
.tut-tip div code, .tut-tip code {
    background: rgba(0,0,0,0.07);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
}
.tut-warn {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    font-size: 13px;
    color: #92400e;
    line-height: 1.6;
    margin-bottom: 10px;
}
.tut-warn i { flex-shrink: 0; margin-top: 2px; color: #d97706; }
.tut-warn > div, .tut-warn > span { min-width: 0; }

/* Arch Cards */
.arch-cards { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.arch-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
}
.arch-card--primary { border-color: var(--primary-color); background: var(--primary-light); }
.arch-icon { font-size: 24px; color: var(--text-dark); margin-top: 2px; flex-shrink: 0; }
.arch-info { display: flex; flex-direction: column; gap: 4px; }
.arch-info strong { font-size: 14px; color: var(--text-dark); }
.arch-info span { font-size: 13px; color: var(--text-body); font-family: monospace; }
.arch-info em { font-size: 12px; color: var(--text-gray); font-style: normal; }

/* iOS notice */
.tut-ios-notice {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #78350f;
    line-height: 1.7;
}
.tut-ios-notice i { font-size: 20px; color: #d97706; flex-shrink: 0; margin-top: 2px; }
.tut-ios-notice strong { display: block; font-size: 15px; margin-bottom: 4px; color: #92400e; }

/* iOS App Buttons */
.tut-ios-apps { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.tut-ios-app-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: var(--text-dark);
    color: #fff;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
}
.tut-ios-app-btn:hover { background: #334155; transform: translateY(-1px); }
.tut-ios-app-btn i { font-size: 22px; flex-shrink: 0; }
.tut-ios-app-btn strong { display: block; font-size: 14px; }
.tut-ios-app-btn span { font-size: 12px; opacity: 0.7; }

/* Alt Block */
.tut-alt-block {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 24px;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    margin-top: 24px;
}
.tut-alt-block-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.tut-alt-block a { color: var(--primary-color); font-weight: 600; }

/* Terminal */
.tut-terminal {
    background: #0f1117;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
    font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
    /* 严格约束在父容器宽度内，不向外扩张 */
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.terminal-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    background: #1c1e26;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    min-height: 38px;
}
/* 圆点绝对定位在左侧，标题始终水平居中 */
.terminal-dots {
    position: absolute;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.terminal-dot--red    { background: #ff5f57; }
.terminal-dot--yellow { background: #febc2e; }
.terminal-dot--green  { background: #28c840; }
.terminal-title {
    /* flex: 1 让标题撑满整行，text-align: center 才能相对整行居中 */
    flex: 1;
    min-width: 0;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    text-align: center;
    /* 两侧留出圆点宽度，防止文字和圆点重叠 */
    padding: 0 56px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.terminal-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-x: auto;
    /* 宽度明确等于父容器，不自行膨胀；长行在此内部滚动 */
    width: 100%;
    box-sizing: border-box;
}
.terminal-line { font-size: 13px; line-height: 1.6; white-space: pre; word-break: normal; }
.terminal-line--gap { margin-top: 10px; }
.terminal-line--output { margin-top: 4px; }
.terminal-line--success .t-output { color: #22c55e; font-style: italic; }
.t-prompt { color: #22c55e; user-select: none; margin-right: 8px; }
.t-comment { color: #6b7280; }
.t-cmd  { color: #60a5fa; }
.t-arg  { color: #e2e8f0; }
.t-output { color: #94a3b8; }
.inline-code-block {
    background: #0f1117;
    color: #60a5fa;
    font-family: monospace;
    font-size: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 10px;
    word-break: break-all;
    line-height: 1.6;
}

/* ===== Full-width FAQ ===== */
.docs-faq {
    background: var(--bg-gray);
    border-top: 1px solid var(--border-color);
    padding: 80px 0;
}
.docs-faq__inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.docs-faq__inner h2 { font-size: 32px; margin-bottom: 10px; }
.docs-faq__inner h2 i { color: var(--primary-color); margin-right: 10px; }
.docs-faq__sub { font-size: 16px; color: var(--text-gray); margin-bottom: 40px; }
.docs-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.docs-faq-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.docs-faq-card:hover { border-color: var(--primary-color); }
.docs-faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    list-style: none;
}
.docs-faq-q::-webkit-details-marker { display: none; }
.docs-faq-chevron { font-size: 12px; color: var(--text-gray); flex-shrink: 0; transition: transform 0.25s; }
.docs-faq-card[open] .docs-faq-chevron { transform: rotate(180deg); }
.docs-faq-body {
    padding: 0 24px 18px;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}
.docs-faq-body p { font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 8px; }
.docs-faq-body p:last-child { margin-bottom: 0; }
.docs-faq-body code {
    background: var(--bg-gray);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
}
.docs-faq-cta {
    margin-top: 36px;
    text-align: center;
    font-size: 14px;
    color: var(--text-gray);
}

/* ===== Bottom CTA ===== */
.docs-cta {
    background: var(--gradient-primary);
    padding: 80px 24px;
    text-align: center;
}
.docs-cta h2 { font-size: 36px; color: #fff; margin-bottom: 14px; }
.docs-cta p  { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }
.docs-cta__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.btn-cta-white {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px;
    background: #fff;
    color: var(--primary-color);
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
.btn-cta-white:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.2); }
.btn-cta-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition);
}
.btn-cta-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.docs-cta__platforms {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}
.docs-cta__platforms span { font-size: 14px; color: rgba(255,255,255,0.75); display: flex; align-items: center; gap: 6px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .docs-layout { grid-template-columns: 200px 1fr; }
    .client-overview-grid { grid-template-columns: repeat(3, 1fr); }
    .docs-hero__stats { display: none; }
    .qs-flow { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    /* Hero */
    .docs-hero { padding: 84px 0 36px; }
    .docs-hero__inner { flex-direction: column; align-items: flex-start; gap: 0; }
    .docs-hero__text h1 { font-size: 28px; }
    .docs-hero__text p { font-size: 14px; }

    /* Layout — sidebar becomes horizontal scroll nav */
    .docs-layout {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }
    .docs-sidebar {
        position: static;
        padding: 0;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 0;
    }
    /* Sidebar nav → horizontal scroll strip */
    .docs-nav {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        scrollbar-width: none;
        gap: 0;
        padding: 4px 0 0;
        border-bottom: none;
    }
    .docs-nav::-webkit-scrollbar { display: none; }
    .docs-nav a {
        white-space: nowrap;
        flex-shrink: 0;
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 12px 16px;
        font-size: 13px;
        border-radius: 0;
    }
    .docs-nav a.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-color);
        background: var(--primary-light);
    }
    .docs-nav-divider { display: none; }
    .docs-sidebar__dl-btn { display: none; }

    /* Content */
    .docs-content { padding: 24px 0 40px; border-left: none; }
    .docs-section { padding: 28px 0; }
    .docs-section h2 { font-size: 20px; }

    /* Platform head */
    .docs-platform-head { gap: 12px; }
    .docs-platform-icon { width: 44px; height: 44px; font-size: 20px; }
    .docs-platform-head h2 { font-size: 22px; }

    /* Quick start */
    .qs-card { flex-direction: column; gap: 12px; padding: 20px; }
    .qs-list-name { min-width: 0; }
    .qs-list li { flex-wrap: wrap; }

    /* Client overview */
    .client-overview { padding: 18px; }
    .client-overview-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .cov-item { padding: 12px 8px; }
    .cov-platform { font-size: 11px; }
    .cov-client { font-size: 12px; }

    /* Tutorial steps —
       序号 float:left 只与 h3 同行，其后的 p/warn/terminal 从最左侧全宽展开 */
    .tut-step {
        display: block;   /* 脱离 flex，改为普通块布局 */
        padding: 20px 0;
        overflow: hidden; /* clearfix，确保浮动被包含 */
    }
    .tut-step-num {
        float: left;
        margin-right: 10px;
        margin-bottom: 4px;
        position: static; /* 取消可能的 absolute */
    }
    .tut-step-body {
        display: block;
        min-width: 0;
    }
    .tut-step-body h3 {
        font-size: 15px;
        margin-bottom: 12px;
        min-height: 36px;       /* 与序号圆圈等高，防止后续内容贴上来 */
        display: flex;
        align-items: center;
    }
    /* h3 之后的所有内容 clear float → 从最左边开始，无缩进 */
    .tut-step-body > p,
    .tut-step-body > .tut-tip,
    .tut-step-body > .tut-warn,
    .tut-step-body > .tut-terminal,
    .tut-step-body > .tut-alt-block,
    .tut-step-body > .tut-mini-steps,
    .tut-step-body > .inline-code-block {
        clear: left;
    }
    .tut-step-body p { font-size: 13px; }

    /* Terminal — horizontal scroll */
    .tut-terminal { border-radius: 8px; }
    .terminal-body { overflow-x: auto; padding: 12px 14px; }
    .terminal-line { white-space: nowrap; font-size: 12px; }
    .inline-code-block { font-size: 11px; overflow-x: auto; }

    /* Arch cards */
    .arch-cards { gap: 8px; }

    /* iOS apps */
    .tut-ios-apps { gap: 8px; }

    /* FAQ */
    .docs-faq-grid { grid-template-columns: 1fr; }
    .docs-faq__inner { padding: 0 16px; }
    .docs-faq h2 { font-size: 22px; }
    .docs-faq__sub { font-size: 13px; margin-bottom: 24px; }
    .docs-faq-q { font-size: 14px; padding: 14px 16px; }
    .docs-faq-body { padding: 0 16px 14px; padding-top: 12px; }
    .docs-faq-body p { font-size: 13px; }

    /* CTA */
    .docs-cta { padding: 56px 16px; }
    .docs-cta h2 { font-size: 24px; }
    .docs-cta__platforms { flex-wrap: wrap; gap: 8px; justify-content: center; }
    .docs-cta__platforms span { font-size: 13px; }
    .docs-cta .btn { width: 100%; max-width: 280px; }
}

@media (max-width: 480px) {
    .docs-layout { padding: 0 12px; }
    .docs-hero__text h1 { font-size: 24px; }
    .docs-platform-head h2 { font-size: 18px; }
    .client-overview-grid { grid-template-columns: repeat(2, 1fr); }
    .terminal-line { font-size: 11px; }
    .tut-tip, .tut-warn { font-size: 12px; padding: 10px 12px; }
    .docs-cta h2 { font-size: 20px; }
}