/* Homepage and dialogs share the restrained card layout used by the tool site. */
.site-logo {
    display: block;
    flex: 0 0 auto;
    object-fit: contain;
}

.home-page .advantages,
.home-page .sample-section,
.home-page .home-articles {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 64px max(24px, calc((100% - 1180px) / 2));
}

.home-page .advantages,
.home-page .sample-section {
    background: #f8f9fb;
}

.home-page .section-heading,
.home-page .how-intro,
.home-page .home-articles-heading {
    text-align: center;
    margin-bottom: 36px;
}

.home-page .section-heading h2,
.home-page .how-intro h2,
.home-page .home-articles-heading h2 {
    font-size: 28px;
    line-height: 1.4;
    font-weight: 700;
    color: #172132;
}

.home-page .section-heading p,
.home-page .how-intro p,
.home-page .home-articles-heading p {
    margin: 12px 0 0;
    color: #5c687a;
    font-size: 14px;
    line-height: 1.8;
}

.home-page .feature-grid,
.home-page .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.home-page .feature-grid .feature,
.home-page .steps-grid .feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 20px;
    border: 1px solid #e0e4eb;
    border-radius: 12px;
    background: #fff;
    text-align: center;
}

.home-page .feature-icon {
    display: flex;
    margin-bottom: 16px;
    color: #5145ed;
}

.home-page .feature h3 {
    margin: 0 0 10px;
    font-size: 16px;
    line-height: 1.6;
    color: #172132;
}

.home-page .feature p {
    margin: 0;
    color: #566276;
    font-size: 13px;
    line-height: 1.9;
}

.home-page .how {
    padding: 64px 0;
    border: 0;
    background: #fff;
}

.home-page .how-layout {
    display: block;
    max-width: 1180px;
}

.home-page .how-intro a {
    display: inline-flex;
    margin-top: 12px;
    font-size: 13px;
    color: #5145ed;
}

.home-page .steps-grid {
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-page .step-num {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin: 0 0 16px;
    border: 0;
    border-radius: 50%;
    background: #5145ed;
    color: #fff;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
}

.home-page .sample-report {
    border: 1px solid #e0e4eb;
    border-radius: 12px;
    box-shadow: none;
    overflow: hidden;
}

.home-page .sample-paper {
    min-height: 280px;
    padding: 28px;
}

.home-page .home-articles-heading {
    display: block;
}

.home-page .home-articles-heading > a {
    display: inline-flex;
    margin-top: 14px;
    font-size: 13px;
}

.home-page .article-card {
    border-color: #e0e4eb;
    border-radius: 12px;
    box-shadow: none;
    padding: 24px;
}

.home-page .article-card h2 {
    font-size: 17px;
    line-height: 1.7;
}

.home-page .article-card > p {
    font-size: 13px;
    line-height: 1.9;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.modal-backdrop {
    backdrop-filter: blur(4px);
    background: rgba(20, 26, 40, .48);
}

.modal .login-box,
.modal .pay-box {
    display: grid;
    grid-template-columns: 38% 62%;
    width: min(860px, calc(100vw - 32px));
    max-width: none;
    padding: 0;
    border-radius: 20px;
    overflow: auto;
    max-height: calc(100dvh - 32px);
    text-align: left;
}

.login-story,
.payment-summary {
    padding: 36px 30px;
    background: linear-gradient(150deg, #4840c8, #797df2);
    color: #fff;
}

.dialog-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 600;
}

.dialog-brand img {
    object-fit: contain;
    border-radius: 6px;
}

.dialog-kicker {
    display: block;
    margin: 46px 0 18px;
    font-size: 12px;
    opacity: .85;
}

.login-story h2 {
    margin: 0 0 22px;
    color: #fff;
    font-size: 30px;
    line-height: 1.55;
}

.login-story p {
    color: #eeefff;
    font-size: 14px;
    line-height: 1.9;
}

.login-story ul,
.payment-benefits {
    display: grid;
    gap: 18px;
    margin: 32px 0 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
}

.login-story li,
.payment-benefits span {
    display: flex;
    align-items: center;
    gap: 10px;
}

.login-details,
.payment-details {
    padding: 50px 36px 32px;
    text-align: center;
}

.login-details h3 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 22px;
}

.login-details h3 svg {
    color: #0db575;
}

.login-details > p {
    color: #7a8497;
    font-size: 13px;
    line-height: 1.8;
    margin: 14px 0 24px;
}

.login-auth-card {
    display: grid;
    justify-items: center;
    gap: 16px;
    padding: 30px 16px;
    border: 1px solid #e9e9f4;
    border-radius: 14px;
    background: #fafafe;
}

.login-auth-card .wechat-mark {
    margin: 0;
}

.login-auth-card > span:last-of-type {
    font-size: 13px;
    color: #788399;
}

.login-details small {
    display: block;
    color: #8a91a4;
    font-size: 12px;
    line-height: 1.8;
}

.login-details small a {
    margin-left: 5px;
}

.payment-summary .dialog-kicker {
    margin-top: 12px;
}

.payment-summary h3 {
    color: #fff;
    font-size: 25px;
    line-height: 1.6;
}

.payment-summary p {
    color: #eeefff;
    font-size: 13px;
    line-height: 1.8;
}

.payment-summary .pay-amount {
    margin: 28px 0;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.7;
}

.payment-details h4 {
    margin: 0 0 18px;
    font-size: 16px;
    text-align: left;
}

.dialog-pay-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.dialog-pay-methods button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 10px;
    border: 1px solid #e1e5ef;
    border-radius: 8px;
    background: #fff;
    color: #37445c;
    font-size: 14px;
    cursor: pointer;
}

.dialog-pay-methods [aria-pressed="true"] {
    border-color: #5145ed;
    background: #f5f4ff;
}

.dialog-pay-methods svg { color: #0bb879; }
.dialog-pay-methods .alipay-symbol { color: #1677ff; }

.payment-visual {
    display: grid;
    place-items: center;
    min-height: 220px;
    margin: 20px 0 12px;
    border: 1px solid #e9e9f4;
    border-radius: 12px;
    background: #fafafe;
}

#pay-placeholder {
    display: grid;
    justify-items: center;
    gap: 16px;
    color: #8a91a4;
    font-size: 13px;
}

.payment-visual img {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

.payment-details #pay-state {
    color: #69758c;
    font-size: 13px;
    line-height: 1.8;
}

.payment-details .pay-order {
    margin: 8px 0 14px;
    font-size: 11px;
    overflow-wrap: anywhere;
}

.modal [hidden] { display: none !important; }

@media (max-width: 850px) {
    .home-page .feature-grid,
    .home-page .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .modal .login-box,
    .modal .pay-box { grid-template-columns: 1fr; width: min(500px, calc(100vw - 24px)); }
    .login-story { display: none; }
    .payment-summary { padding: 22px 26px; }
    .payment-summary .dialog-kicker { margin: 0 0 6px; }
    .payment-summary .pay-amount { margin: 12px 0 0; }
    .payment-benefits { display: none; }
    .login-details { padding: 42px 24px 28px; }
    .payment-details { padding: 24px; }
    .payment-visual { min-height: 160px; }
}

@media (max-width: 600px) {
    .home-page .advantages,
    .home-page .sample-section,
    .home-page .home-articles { padding: 40px 18px; }
    .home-page .how { padding: 40px 0; }
    .home-page .feature-grid,
    .home-page .steps-grid { gap: 12px; }
    .home-page .feature-grid .feature,
    .home-page .steps-grid .feature { padding: 22px 12px; }
    .home-page .section-heading h2,
    .home-page .how-intro h2,
    .home-page .home-articles-heading h2 { font-size: 23px; }
    .home-page .feature h3 { font-size: 15px; }
    .home-page .sample-paper { padding: 18px; min-height: 240px; }
    .login-details h3 { font-size: 20px; }
    .login-details .btn { font-size: 14px; }
}