/* FAQ页面样式 */
.faq-section {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-item h2 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: #34495e;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.faq-item ul, .faq-item ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.faq-item li {
    color: #34495e;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .faq-item {
        padding: 1rem;
    }
    
    .faq-item h2 {
        font-size: 1.25rem;
    }
} 

/* Header 样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #34495e;
    text-decoration: none;
    font-weight: 500;
}

.nav-links a:hover {
    color: #3498db;
}

/* Footer 样式 */
footer {
    background-color: #f8f9fa;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
    color: #6c757d;
}

/* Site header: desktop aligns with the main max-w-5xl content edges; narrow screens stack and center. */
nav.site-header {
    display: block;
}

.site-header-inner {
    width: 100%;
    min-height: 4rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem 1.5rem;
}

.site-header-logo,
.site-header-nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-header-nav {
    gap: 1rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .site-header-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-top: 0;
        padding-bottom: 0;
    }

    .site-header-logo,
    .site-header-nav {
        width: auto;
    }

    .site-header-logo {
        justify-content: flex-start;
    }

    .site-header-nav {
        justify-content: flex-end;
    }
}

/* Mail detail modal layout follows the reference sketch:
   one white shell, left top summary, left body panel, right ad sidebar, bottom-right close button. */
.mail-modal-backdrop {
    position: relative;
    min-height: 100vh;
    padding: 2rem 1rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.mail-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(107, 114, 128, 0.28);
}

.mail-modal-content {
    position: relative;
    z-index: 10;
    width: min(100%, 1024px);
    margin: 0 auto;
    text-align: left;
}

.mail-modal-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
        "main"
        "ad"
        "actions";
    gap: 1rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.22);
    position: relative;
    z-index: 20;
}

.mail-modal-main {
    grid-area: main;
    display: grid;
    grid-template-rows: auto minmax(220px, 1fr);
    gap: 1rem;
    min-width: 0;
}

.mail-modal-summary,
.mail-modal-body {
    min-width: 0;
    border: 1px solid #e5e7eb;
    padding: 1rem;
}

.mail-modal-summary {
    background: #fff;
}

.mail-modal-body {
    background: #f9fafb;
}

.mail-modal-ad-panel {
    grid-area: ad;
    justify-self: center;
    align-self: start;
}

.mail-modal-close-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    background: #374151;
    color: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.mail-modal-close-button:hover {
    background: #4b5563;
}

.mail-modal-actions {
    grid-area: actions;
    display: flex;
    justify-content: flex-end;
    align-items: end;
}

@media (min-width: 640px) {
    .mail-modal-shell {
        padding: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .mail-modal-shell {
        grid-template-columns: minmax(0, 1fr) 160px;
        grid-template-rows: minmax(600px, auto) auto;
        grid-template-areas:
            "main ad"
            "actions actions";
        align-items: start;
    }

    .mail-modal-main {
        min-height: 600px;
    }

    .mail-modal-ad-panel {
        width: 160px;
        justify-self: start;
    }
}

/* Scenario pages */
.growth-guide-shell,
.scenario-page-shell,
.scenario-hub-shell {
    max-width: 1120px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.growth-guide-main,
.scenario-hub-main {
    overflow-x: clip;
}

.growth-guide-section--hero,
.scenario-hub-section--hero {
    padding-top: 3.5rem;
    padding-bottom: 2.5rem;
}

.growth-guide-section--cards,
.scenario-hub-section--cards {
    padding-top: 0;
    padding-bottom: clamp(3rem, 5vw, 4.5rem);
}

.growth-guide-section--note,
.scenario-hub-section--note {
    padding-top: 0;
    padding-bottom: 4.5rem;
}

.growth-guide-hero,
.scenario-hero,
.scenario-hub-hero {
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
}

.growth-guide-detail-shell,
.scenario-detail-shell {
    padding-top: 3rem;
    padding-bottom: 4.5rem;
}

.growth-guide-detail-hero,
.scenario-detail-hero {
    padding: clamp(2rem, 4vw, 3rem);
}

.growth-guide-hero,
.scenario-hub-hero {
    position: relative;
    padding: 1.75rem;
}

.growth-guide-title,
.scenario-hub-title,
.scenario-hero-title {
    max-width: 880px;
    letter-spacing: -0.03em;
}

.growth-guide-title,
.scenario-hub-title {
    margin-left: auto;
    margin-right: auto;
}

.scenario-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 0;
    height: auto;
    padding: 0.38rem 0.82rem;
    border-radius: 999px;
    background: rgba(231, 76, 60, 0.10);
    color: #d64232;
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.01em;
    box-shadow: none;
}

.scenario-badge--small {
    padding: 0.32rem 0.72rem;
    font-size: 0.75rem;
}

.growth-guide-lead,
.scenario-hub-lead,
.scenario-hero-lead {
    max-width: 760px;
}

.scenario-primary-button,
.scenario-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0.9rem 1.75rem;
    line-height: 1.2;
    border-radius: 14px;
    text-decoration: none;
    white-space: nowrap;
    font-size: 0.875rem;
    font-weight: 700;
}

.scenario-primary-button {
    box-shadow: 0 10px 20px rgba(231, 76, 60, 0.18);
}

.scenario-primary-button:hover {
    transform: translateY(-1px);
}

.growth-guide-grid,
.scenario-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

.growth-guide-card,
.scenario-hub-card {
    min-height: 188px;
    padding: 1.5rem;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.045);
}

.growth-guide-note,
.scenario-hub-note,
.scenario-card {
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.045);
}

.growth-guide-note,
.scenario-hub-note {
    padding: clamp(1.75rem, 3vw, 2.5rem);
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.06), #fff 55%);
    border: 1px solid rgba(231, 76, 60, 0.14);
    border-radius: 1.5rem;
}

.growth-guide-content,
.scenario-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.growth-guide-content > .growth-guide-detail-card,
.scenario-content > .scenario-card {
    margin-top: 0 !important;
}

.growth-guide-detail-card,
.scenario-detail-card {
    padding: clamp(1.75rem, 3vw, 2rem);
}

.scenario-mailbox-wrap {
    margin-top: clamp(3rem, 5vw, 4.5rem);
}

.scenario-mailbox-panel {
    position: relative;
}

.scenario-mailbox-card {
    background: #fff;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 24px;
    padding: clamp(1.25rem, 3vw, 2rem);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.065);
}

.scenario-mailbox-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.scenario-mailbox-head h2 {
    margin: 0;
    color: #111827;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.scenario-mailbox-head p {
    margin: 0.35rem 0 0;
    color: #64748b;
    line-height: 1.6;
}

.scenario-mailbox-live {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #64748b;
    font-size: 0.8125rem;
    white-space: nowrap;
}

.scenario-mailbox-live svg {
    width: 1rem;
    height: 1rem;
    animation: spin 1s linear infinite;
}

.scenario-mailbox-address {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid #edf2f7;
}

.scenario-mailbox-input {
    width: 100%;
    border: 0;
    background: transparent;
    color: #111827;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-align: center;
    outline: none;
    padding: 0.9rem 0.5rem;
}

.scenario-mailbox-icon-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    transition: background .18s ease, color .18s ease, transform .18s ease;
}

.scenario-mailbox-icon-button:hover {
    background: #fff;
    color: #111827;
    transform: translateY(-1px);
}

.scenario-mailbox-icon-button svg {
    width: 1.25rem;
    height: 1.25rem;
}

.scenario-mailbox-icon-button .check-icon {
    position: absolute;
    opacity: 0;
    transform: scale(.6);
    color: #22c55e;
}

.scenario-mailbox-inbox {
    margin-top: 1rem;
    overflow: hidden;
    border: 1px solid #edf2f7;
    border-radius: 18px;
    background: #fff;
}

.scenario-mailbox-inbox-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #edf2f7;
}

.scenario-mailbox-inbox-head h3 {
    margin: 0;
    color: #111827;
    font-size: 1rem;
    font-weight: 750;
}

.scenario-mailbox-count {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 650;
}

.scenario-mailbox-list {
    min-height: 150px;
}

.scenario-mailbox-empty {
    display: flex;
    min-height: 150px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 2rem 1rem;
    text-align: center;
    color: #64748b;
}

.scenario-mailbox-empty strong {
    color: #111827;
    font-size: 1rem;
}

.scenario-mailbox-notification {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 2147483646;
    border-radius: 14px;
    background: #111827;
    color: #fff;
    padding: 0.8rem 1rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, .2);
    transition: opacity .18s ease, transform .18s ease;
}

.scenario-mailbox-notification p {
    margin: 0;
}

.home-growth-card {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 24px;
    background: #fff;
    padding: clamp(1.5rem, 3vw, 2rem);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.045);
}

.home-growth-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.home-growth-kicker {
    display: inline-flex;
    margin-bottom: 0.5rem;
    color: #d64232;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.home-growth-head h2 {
    margin: 0;
    color: #111827;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 850;
    letter-spacing: -0.03em;
}

.home-growth-head p {
    max-width: 680px;
    margin: 0.6rem 0 0;
    color: #64748b;
    line-height: 1.7;
}

.home-growth-all-link {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(231, 76, 60, 0.18);
    padding: 0.65rem 0.95rem;
    color: #d64232;
    font-size: 0.875rem;
    font-weight: 750;
    text-decoration: none;
    background: rgba(231, 76, 60, 0.04);
}

.home-growth-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.home-growth-item {
    display: flex;
    min-height: 148px;
    flex-direction: column;
    gap: 0.65rem;
    border: 1px solid #edf2f7;
    border-radius: 18px;
    background: #f8fafc;
    padding: 1rem;
    text-decoration: none;
    transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.home-growth-item:hover {
    transform: translateY(-2px);
    border-color: rgba(231, 76, 60, 0.22);
    background: #fff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.055);
}

.home-growth-item strong {
    color: #111827;
    font-size: 1rem;
}

.home-growth-item > span:last-child {
    color: #64748b;
    font-size: 0.8125rem;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.growth-guide-detail-card h2 {
    margin: 0;
    color: #111827;
    font-size: clamp(1.35rem, 2.4vw, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.growth-guide-list,
.growth-guide-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.25rem;
}

.growth-guide-list li,
.growth-guide-steps li {
    display: flex;
    gap: 0.9rem;
    color: #4b5563;
    line-height: 1.75;
}

.growth-guide-list li > span {
    width: 0.55rem;
    height: 0.55rem;
    margin-top: 0.7rem;
    flex: 0 0 auto;
    border-radius: 999px;
    background: #e74c3c;
}

.growth-guide-list--warn li > span {
    background: #f59e0b;
}

.growth-guide-steps li > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    flex: 0 0 auto;
    border-radius: 999px;
    background: rgba(231, 76, 60, 0.1);
    color: #d64232;
    font-size: 0.875rem;
    font-weight: 800;
}

.growth-guide-faq-list {
    margin-top: 1.25rem;
    border-top: 1px solid #f1f5f9;
}

.growth-guide-faq-list > div {
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.growth-guide-faq-list h3 {
    color: #111827;
    font-weight: 750;
}

.growth-guide-faq-list p {
    margin-top: 0.45rem;
    color: #64748b;
    line-height: 1.7;
}

.growth-guide-card {
    display: block;
    border: 1px solid #edf2f7;
    border-radius: 20px;
    background: #fff;
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.growth-guide-card:hover {
    transform: translateY(-2px);
    border-color: rgba(231, 76, 60, 0.22);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.06);
}

.growth-guide-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.growth-guide-card h2 {
    margin-top: 1rem;
    color: #111827;
    font-size: 1.12rem;
    font-weight: 800;
    line-height: 1.35;
}

.growth-guide-card p {
    margin-top: 0.7rem;
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
}

.growth-guide-arrow {
    color: #cbd5e1;
    transition: color .18s ease;
}

.growth-guide-card:hover .growth-guide-arrow {
    color: #d64232;
}

.growth-guide-layout,
.scenario-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2.75rem, 5vw, 4rem);
    align-items: start;
    margin-top: clamp(2.5rem, 4vw, 3.75rem);
}

.growth-guide-layout > *,
.scenario-layout > * {
    min-width: 0;
}

.growth-guide-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.growth-guide-cta-card,
.growth-guide-related-card {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 20px;
    background: #fff;
    padding: 1.5rem;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.045);
}

.growth-guide-cta-card {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.08), #fff 58%);
    border-color: rgba(231, 76, 60, 0.14);
}

.growth-guide-cta-card h2,
.growth-guide-related-card h2 {
    margin: 0;
    color: #111827;
    font-size: 1rem;
    font-weight: 800;
}

.growth-guide-cta-card p {
    margin: 0.75rem 0 1rem;
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
}

.growth-guide-cta-card .scenario-primary-button {
    width: 100%;
}

.growth-guide-related-card > div {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
}

.growth-guide-related-card a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border: 1px solid #edf2f7;
    border-radius: 14px;
    padding: 0.75rem 0.85rem;
    color: #374151;
    font-size: 0.875rem;
    font-weight: 650;
    text-decoration: none;
}

.growth-guide-related-card a:hover {
    border-color: rgba(231, 76, 60, 0.22);
    background: rgba(231, 76, 60, 0.04);
    color: #d64232;
}

.growth-guide-detail-shell .scenario-mailbox-wrap {
    margin-top: clamp(3rem, 5vw, 4.5rem);
}

.scenario-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
}

@media (min-width: 768px) {
    .growth-guide-grid,
    .scenario-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 28px;
    }
}

@media (min-width: 1024px) {
    .growth-guide-layout,
    .scenario-layout {
        grid-template-columns: minmax(0, 1fr) 340px;
        column-gap: clamp(3.5rem, 5vw, 5rem);
        row-gap: 3rem;
    }
}

@media (max-width: 640px) {
    .growth-guide-shell,
    .scenario-page-shell,
    .scenario-hub-shell {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .growth-guide-detail-shell,
    .scenario-detail-shell {
        padding-top: 1.5rem;
        padding-bottom: 2rem;
    }

    .scenario-page-shell {
        padding-top: 1.5rem;
        padding-bottom: 2rem;
    }

    .growth-guide-section--hero,
    .scenario-hub-section--hero {
        padding-top: 2.5rem;
        padding-bottom: 2rem;
    }

    .growth-guide-section--cards,
    .scenario-hub-section--cards {
        padding-bottom: 2.75rem;
    }

    .growth-guide-section--note,
    .scenario-hub-section--note {
        padding-bottom: 3.25rem;
    }

    .growth-guide-title,
    .scenario-hub-title,
    .scenario-hero-title {
        font-size: 2rem;
    }

    .scenario-primary-button,
    .scenario-secondary-button {
        min-width: 168px;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .scenario-mailbox-head {
        display: block;
    }

    .scenario-mailbox-live {
        margin-top: 0.75rem;
    }

    .scenario-mailbox-address {
        grid-template-columns: 44px minmax(0, 1fr) 44px;
    }

    .home-growth-head {
        display: block;
    }

    .home-growth-all-link {
        margin-top: 1rem;
    }

    .home-growth-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .home-growth-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .growth-guide-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}