.link-tool {
    /* 与站内公共 .container 保持一致，桌面端最大主体宽度为 1800px。 */
    max-width: 1800px;
    margin: 1.5rem auto 3rem;
}

.link-hero, .link-upload, .link-seo-section {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    padding: 2rem;
    margin-bottom: 1.25rem;
}

.link-hero h1 { color: var(--gray-900); font-size: clamp(1.55rem, 4vw, 2.2rem); margin-bottom: .75rem; }
.link-hero p { color: #64748b; line-height: 1.8; }
.link-highlights { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.link-highlights span { background: #eff6ff; color: #1d4ed8; border-radius: 99px; padding: .38rem .75rem; font-size: .9rem; }

.link-dropzone { border: 2px dashed #93c5fd; background: #f8fbff; border-radius: 12px; padding: 2.75rem 1.25rem; text-align: center; cursor: pointer; transition: .2s; }
.link-dropzone:hover, .link-dropzone.dragover { background: #eff6ff; border-color: var(--primary); }
.link-dropzone svg { color: var(--primary); margin-bottom: .75rem; }
.link-dropzone h2 { color: var(--gray-800); font-size: 1.15rem; margin-bottom: .5rem; }
.link-dropzone p, .link-hint { color: #64748b; font-size: .9rem; line-height: 1.7; }
.link-hint { margin: .9rem 0 0; }
.link-notice { margin: .85rem 0 0; padding: .8rem .9rem; border-left: 3px solid #f59e0b; border-radius: 6px; background: #fffbeb; color: #92400e; font-size: .88rem; line-height: 1.75; }

.link-result { margin-top: 1.25rem; border: 1px solid #bbf7d0; background: #f0fdf4; border-radius: 10px; padding: 1rem; }
.link-result[hidden], .link-status[hidden] { display: none; }
.result-name { color: var(--gray-800); font-weight: 600; overflow-wrap: anywhere; }
.result-meta { color: #64748b; font-size: .88rem; margin: .35rem 0 .75rem; }
.link-url-row { display: flex; gap: .6rem; }
.link-url { flex: 1; min-width: 0; border: 1px solid #bbf7d0; border-radius: 6px; padding: .65rem; color: #166534; background: #fff; }
.link-actions { display: flex; gap: .6rem; margin-top: .75rem; }
.link-button { border: 0; border-radius: 6px; background: var(--primary); color: #fff; padding: .6rem .9rem; cursor: pointer; text-decoration: none; font-size: .9rem; }
.link-button:hover { background: var(--primary-dark); }
.link-button.secondary { background: #475569; }
.link-status { margin-top: 1rem; color: #475569; font-size: .92rem; }
.link-status.error { color: #b91c1c; }

.link-seo-section h2 { color: var(--gray-800); font-size: 1.2rem; margin-bottom: .75rem; }
.link-seo-section p, .link-seo-section li, .link-seo-section dd { color: #475569; line-height: 1.85; }
.link-seo-section ul { padding-left: 1.35rem; }
.link-seo-section dl { display: grid; gap: .9rem; }
.link-seo-section dt { color: var(--gray-800); font-weight: 600; margin-bottom: .2rem; }

@media (max-width: 600px) {
    .link-tool { margin: .75rem auto 2rem; }
    .link-hero, .link-upload, .link-seo-section { padding: 1.25rem; border-radius: 10px; }
    .link-dropzone { padding: 2rem 1rem; }
    .link-url-row { flex-direction: column; }
}