/* 连接邮箱：专用样式（对齐钉钉指南 step-card 风格） */

.email-guide-page {
    --img-max: 420px;
}

.email-guide {
    width: min(980px, calc(100% - 36px));
}

.email-hero {
    min-height: auto;
    padding: clamp(34px, 6vw, 58px);
    background: linear-gradient(135deg, #25292f 0%, #303946 60%, #3a3d44 100%);
}

.email-hero::after {
    font-size: clamp(10rem, 25vw, 17rem);
}

.email-hero h1 {
    margin: 12px 0 10px;
    font-size: clamp(2.5rem, 7vw, 4.6rem);
}

.email-hero p {
    max-width: 980px;
}

.email-intro {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    margin: -17px 20px 52px;
    padding: 18px 22px;
    color: #604936;
    background: #fff7e9;
    border: 1px solid #edd3b5;
    border-radius: 12px;
    font-size: 0.86rem;
}

.email-intro > strong {
    color: #963f28;
}

.tutorial-section {
    scroll-margin-top: 140px;
}

.tutorial-heading {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 17px;
    align-items: start;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-medium);
}

.tutorial-heading > span {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #fff;
    background: #ad5738;
    border-radius: 50%;
    font: 700 0.68rem 'JetBrains Mono', monospace;
}

.tutorial-heading h2 {
    margin: 0;
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.tutorial-heading p {
    margin: 5px 0 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

/* ── 步骤卡片（与 dingtalk 指南一致）── */
.step-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--img-max);
    gap: 22px;
    align-items: start;
    background: #fff;
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s;
}

.step-card:hover { box-shadow: var(--shadow-md); }
.step-card.reverse { grid-template-columns: var(--img-max) minmax(0, 1fr); }

.step-info { display: flex; flex-direction: column; gap: 7px; }

.step-num {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 700;
    color: #ad5738;
    letter-spacing: 0.08em;
}

.step-num::before {
    content: '';
    display: inline-block;
    width: 22px;
    height: 2px;
    background: #d58a68;
    border-radius: 2px;
}

.step-info strong {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
}

.step-info p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.step-img-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    background: #F5F4F1;
}

.step-img-wrap img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.step-img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px 10px;
    background: linear-gradient(transparent, rgba(0,0,0,.55));
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.step-img-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.command.multiline {
    flex-direction: column;
}

.command.multiline button {
    padding: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 0;
}

/* ── 方法切换标签 ── */
.method-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 22px;
}

.method-tab {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    background: #fff;
    cursor: pointer;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

.method-tab:hover {
    border-color: #D5AA94;
    box-shadow: var(--shadow-sm);
}

.method-tab.active {
    border-color: #C96742;
    background: linear-gradient(135deg, #FFF7F0 0%, #FFFDF9 100%);
    box-shadow: 0 0 0 3px rgba(201,103,66,.12);
}

.method-tab-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.method-tag {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.method-tag.easy { background: #EAF6EF; color: #306C4A; }
.method-tag.flex { background: #FFF3DE; color: #8A5428; }

.method-tab h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.method-tab p {
    margin: 0;
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.method-body { display: none; }
.method-body.open { display: block; }

/* ── 提供商列表（保留原有，优化样式）── */
.provider-list {
    border-top: 1px solid var(--border-subtle);
}

.provider-item {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: 28px;
    padding: 28px 4px;
    border-bottom: 1px solid var(--border-subtle);
}

.provider-name {
    display: flex;
    align-items: center;
    gap: 12px;
    align-self: start;
}

.provider-name b {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    color: #fff;
    background: #25292f;
    border-radius: 10px;
    font: 700 0.72rem 'JetBrains Mono', monospace;
}

.provider-name h3 {
    margin: 0;
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
}

.provider-item ol {
    margin: 0;
    padding-left: 1.25rem;
    color: #5f5954;
    font-size: 0.84rem;
}

.provider-item li {
    margin-bottom: 7px;
    padding-left: 3px;
}

.server-line {
    grid-column: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0 0;
}

.server-line code {
    padding: 6px 9px;
    color: #415478;
    background: #f2f4f8;
    border-radius: 6px;
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
}

/* ── 折叠其他邮箱 ── */
.other-providers {
    margin-top: 18px;
    border: 1px solid var(--border-medium);
    border-radius: 10px;
}

.other-providers summary {
    padding: 15px 18px;
    cursor: pointer;
    color: #4f4945;
    font-weight: 700;
}

.other-providers[open] summary {
    border-bottom: 1px solid var(--border-subtle);
}

.provider-table-wrap {
    overflow-x: auto;
}

.other-providers table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.other-providers th,
.other-providers td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.74rem;
}

.other-providers th {
    color: #706963;
    background: #faf8f5;
}

.other-providers code {
    color: #465f91;
    font-size: 0.67rem;
    font-family: 'JetBrains Mono', monospace;
}

.other-providers > p {
    margin: 0;
    padding: 13px 16px;
    color: #8a6351;
    background: #fff9f2;
    font-size: 0.75rem;
}

/* ── 命令框 ── */
.command {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
    overflow: hidden;
    color: #e9edf3;
    background: #25292f;
    border-radius: 8px;
}

.command code {
    display: block;
    padding: 13px 16px;
    overflow-x: auto;
    font-size: 0.76rem;
    line-height: 1.9;
    white-space: nowrap;
    font-family: 'JetBrains Mono', monospace;
}

.command.primary {
    background: #293a4b;
}

.command button,
.agent-prompt button,
.first-prompt button {
    flex: 0 0 auto;
    padding: 0 15px;
    color: #dfe5ed;
    background: rgba(255, 255, 255, 0.1);
    border: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    font: 700 0.7rem 'Noto Sans SC', sans-serif;
}

.command button:hover,
.agent-prompt button:hover,
.first-prompt button:hover {
    background: rgba(255, 255, 255, 0.18);
    outline: none;
}

.command button.copied,
.agent-prompt button.copied,
.first-prompt button.copied {
    background: #43835d;
}

/* ── Agent 提示框 ── */
.agent-prompt {
    overflow: hidden;
    color: #e5eaf0;
    background: linear-gradient(135deg, #27303a, #20252b);
    border-radius: 12px;
}

.agent-prompt p {
    margin: 0;
    padding: clamp(22px, 4vw, 32px);
    line-height: 2;
    font-size: 0.9rem;
}

.agent-prompt button {
    width: 100%;
    padding: 13px;
    color: #fff;
    background: #4d76d2;
    border: 0;
}

.agent-prompt button:hover {
    background: #5d84dc;
}

/* ── 安全提示 ── */
.security-note {
    margin: 14px 0 0;
    padding: 14px 16px;
    color: #755442;
    background: #fff8ef;
    border-left: 3px solid #d3895d;
    font-size: 0.8rem;
}

/* ── 验收列表 ── */
.check-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 29px;
    color: #57514c;
    font-size: 0.86rem;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    display: grid;
    place-items: center;
    width: 19px;
    height: 19px;
    color: #fff;
    background: #43835d;
    border-radius: 50%;
    font-size: 0.65rem;
}

.check-list code {
    color: #435e91;
    font-size: 0.76rem;
    font-family: 'JetBrains Mono', monospace;
}

.first-prompt {
    margin-top: 24px;
    padding: 20px;
    background: #f4f6f9;
    border-left: 3px solid #5f79b7;
}

.first-prompt span {
    color: #526da7;
    font: 700 0.66rem 'JetBrains Mono', monospace;
    letter-spacing: 0.06em;
}

.first-prompt p {
    margin: 8px 0 13px;
    color: #4d5561;
    font-size: 0.84rem;
}

.first-prompt button {
    padding: 7px 11px;
    color: #fff;
    background: #5b70a1;
    border: 0;
    border-radius: 5px;
}

/* ── 链接区 ── */
.doc-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 24px 0 0;
    padding-top: 18px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
}

.doc-links a {
    color: #9c4d31;
    text-decoration: none;
}

.doc-links a:hover {
    text-decoration: underline;
}

.content-date {
    margin: 10px 0 0;
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* ── 响应式 ── */
@media (max-width: 768px) {
    .step-card,
    .step-card.reverse {
        grid-template-columns: 1fr !important;
    }
    .step-card.reverse .step-img-wrap { order: -1; }

    .method-tabs { flex-direction: column; }

    .provider-item {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px 2px;
    }

    .server-line { grid-column: 1; }

    .email-guide {
        width: min(100% - 24px, 980px);
    }

    .email-hero {
        padding: 30px 22px;
        border-radius: 20px;
    }

    .email-intro {
        grid-template-columns: 1fr;
        gap: 5px;
        margin: -12px 10px 42px;
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .tutorial-heading {
        grid-template-columns: 36px 1fr;
        gap: 11px;
    }
    .tutorial-heading > span {
        width: 34px;
        height: 34px;
        font-size: 0.6rem;
    }
    .command.multiline {
        flex-direction: column;
    }
    .command.multiline button {
        padding: 10px;
        border-top: 1px solid rgba(255,255,255,0.1);
        border-left: 0;
    }
}