/*
Theme Name: shouzheng-studio
Theme URI: https://shouzheng5585.top
Author: 守正
Author URI: https://shouzheng5585.top
Description: 守正的工作室 — Notion 风格简约编辑主题。温暖中性色、精致排版、超薄边框、多层阴影。适用于资源中心(sz_resource)与作品集(sz_work)。
Version: 1.0.0
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shouzheng-studio
Tags: notion, minimal, editor-style, portfolio, resources, custom-post-types
*/

/* ==========================================================================
   守正的工作室 · 设计系统（Notion 风格）
   ========================================================================== */

/* CSS Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC",
        "Helvetica Neue", "Segoe UI", "Microsoft YaHei", "Source Han Sans SC",
        sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: rgba(0, 0, 0, 0.95);
    background: #ffffff;
    text-rendering: optimizeLegibility;
}

img,
picture,
video,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: #0075de;
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: #0b6bc7;
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: rgba(0, 117, 222, 0.15);
}

/* ==========================================================================
   1. 布局 · 容器
   ========================================================================== */

.sz-container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.sz-container--narrow {
    max-width: 760px;
}

.sz-section {
    padding: 80px 0;
}

.sz-section--alt {
    background: #f6f5f4;
}

.sz-section__title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.sz-section__subtitle {
    color: #615d59;
    font-size: 15px;
    margin-bottom: 40px;
}

/* ==========================================================================
   2. 页头 · Header
   ========================================================================== */

.sz-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.sz-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

/* Logo */
.sz-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
    color: rgba(0, 0, 0, 0.95);
}

.sz-logo__mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.sz-logo:hover {
    color: rgba(0, 0, 0, 0.95);
}

/* 导航 */
.sz-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sz-nav__item {
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 500;
    color: #615d59;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sz-nav__item:hover {
    background: rgba(0, 0, 0, 0.04);
    color: rgba(0, 0, 0, 0.95);
}

.sz-nav__item--active {
    color: rgba(0, 0, 0, 0.95);
    background: rgba(0, 0, 0, 0.04);
}

.sz-header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 移动端汉堡按钮 */
.sz-menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    align-items: center;
    justify-content: center;
}

.sz-menu-toggle:hover {
    background: rgba(0, 0, 0, 0.04);
}

.sz-menu-toggle__icon {
    width: 18px;
    height: 14px;
    position: relative;
}

.sz-menu-toggle__icon span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 2px;
    transition: all 0.25s ease;
}

.sz-menu-toggle__icon span:nth-child(1) { top: 0; }
.sz-menu-toggle__icon span:nth-child(2) { top: 6px; }
.sz-menu-toggle__icon span:nth-child(3) { top: 12px; }

body.sz-nav-open .sz-menu-toggle__icon span:nth-child(1) {
    transform: rotate(45deg);
    top: 6px;
}
body.sz-nav-open .sz-menu-toggle__icon span:nth-child(2) {
    opacity: 0;
}
body.sz-nav-open .sz-menu-toggle__icon span:nth-child(3) {
    transform: rotate(-45deg);
    top: 6px;
}

/* ==========================================================================
   3. 按钮
   ========================================================================== */

.sz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
    white-space: nowrap;
    line-height: 1.4;
}

.sz-btn--primary {
    background: #0075de;
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 117, 222, 0.25);
}

.sz-btn--primary:hover {
    background: #0b6bc7;
    color: #fff;
    box-shadow: 0 2px 6px rgba(0, 117, 222, 0.35);
}

.sz-btn--secondary {
    background: rgba(0, 0, 0, 0.05);
    color: rgba(0, 0, 0, 0.9);
}

.sz-btn--secondary:hover {
    background: rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.95);
}

.sz-btn--ghost {
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: rgba(0, 0, 0, 0.9);
}

.sz-btn--ghost:hover {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.2);
}

.sz-btn--lg {
    padding: 12px 24px;
    font-size: 15px;
}

.sz-btn--block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   4. Hero
   ========================================================================== */

.sz-hero {
    padding: 96px 0 64px;
    text-align: center;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 117, 222, 0.06) 0%, transparent 60%),
        #ffffff;
}

.sz-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(0, 117, 222, 0.08);
    color: #0075de;
    font-size: 12px;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 24px;
}

.sz-hero__title {
    font-size: 52px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 20px;
    color: rgba(0, 0, 0, 0.95);
}

.sz-hero__subtitle {
    font-size: 18px;
    color: #615d59;
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.65;
}

.sz-hero__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   5. 卡片
   ========================================================================== */

.sz-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 24px;
    transition: box-shadow 0.2s ease, transform 0.15s ease, border-color 0.15s ease;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 1px 3px rgba(0, 0, 0, 0.03);
}

.sz-card--clickable {
    display: block;
    cursor: pointer;
}

.sz-card--clickable:hover {
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.05),
        0 8px 24px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
    border-color: rgba(0, 0, 0, 0.14);
}

.sz-card__tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 12px;
    background: rgba(0, 117, 222, 0.1);
    color: #0075de;
}

.sz-card__tag--resource { background: rgba(0, 117, 222, 0.1); color: #0075de; }
.sz-card__tag--work     { background: rgba(124, 58, 237, 0.1); color: #7c3aed; }
.sz-card__tag--cat      { background: rgba(0, 0, 0, 0.06); color: #615d59; }

.sz-card__title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    color: rgba(0, 0, 0, 0.95);
}

.sz-card__excerpt {
    font-size: 14px;
    color: #615d59;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sz-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: #9b9690;
}

/* 栏目卡片（图标型） */
.sz-card--entry {
    text-align: center;
    padding: 32px 24px;
}

.sz-card--entry:hover {
    background: rgba(255, 255, 255, 0.6);
}

.sz-card--entry .sz-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #f6f5f4;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.2s ease;
}

.sz-card--entry:hover .sz-icon-box {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transform: scale(1.05);
}

.sz-card--entry .sz-card__title {
    margin-bottom: 4px;
}

.sz-card--entry .sz-card__desc {
    font-size: 13px;
    color: #615d59;
}

/* ==========================================================================
   6. 网格
   ========================================================================== */

.sz-grid {
    display: grid;
    gap: 20px;
}

.sz-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sz-grid--4 { grid-template-columns: repeat(4, 1fr); }
.sz-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ==========================================================================
   7. 作品网格（缩略图型）
   ========================================================================== */

.sz-work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.sz-work {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #f6f5f4;
    aspect-ratio: 4 / 3;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.sz-work img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.sz-work:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.sz-work:hover img {
    transform: scale(1.05);
}

.sz-work__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: flex-end;
    padding: 16px;
}

.sz-work:hover .sz-work__overlay {
    opacity: 1;
}

.sz-work__title {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
}

/* ==========================================================================
   8. 文章列表（archive）
   ========================================================================== */

.sz-page-header {
    padding: 64px 0 32px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.sz-page-header__title {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.sz-page-header__desc {
    color: #615d59;
    font-size: 15px;
    max-width: 620px;
}

.sz-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sz-list .sz-card--clickable {
    display: flex;
    flex-direction: column;
}

/* 列表项缩略图 */
.sz-card__thumb {
    margin: -24px -24px 16px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
    background: #f6f5f4;
}

.sz-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.sz-card--clickable:hover .sz-card__thumb img {
    transform: scale(1.05);
}

.sz-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.sz-card__footer {
    margin-top: auto;
    padding-top: 12px;
}

/* 分类筛选条 */
.sz-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.sz-filter {
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #615d59;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 9999px;
    transition: all 0.15s ease;
}

.sz-filter:hover {
    background: rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.95);
}

.sz-filter--active {
    background: rgba(0, 0, 0, 0.95);
    color: #fff;
}

/* 分页 */
.sz-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.sz-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #615d59;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}

.sz-pagination .page-numbers:hover {
    background: rgba(0, 0, 0, 0.04);
    color: rgba(0, 0, 0, 0.95);
}

.sz-pagination .page-numbers.current {
    background: rgba(0, 0, 0, 0.95);
    color: #fff;
}

.sz-pagination .page-numbers.dots {
    border: none;
}

/* ==========================================================================
   9. 文章详情（single）
   ========================================================================== */

.sz-article {
    padding: 64px 0 96px;
}

.sz-article__header {
    margin-bottom: 40px;
    text-align: center;
}

.sz-article__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 13px;
    color: #9b9690;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sz-article__meta span:not(:last-child)::after {
    content: "·";
    margin-left: 12px;
    color: rgba(0, 0, 0, 0.2);
}

.sz-article__title {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.sz-article__excerpt {
    font-size: 18px;
    color: #615d59;
    line-height: 1.6;
    max-width: 620px;
    margin: 0 auto;
}

.sz-article__cover {
    margin: 0 auto 40px;
    border-radius: 12px;
    overflow: hidden;
    max-width: 900px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 4px 12px rgba(0, 0, 0, 0.03);
}

/* 文章正文（编辑器风格） */
.sz-prose {
    max-width: 720px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.8;
    color: rgba(0, 0, 0, 0.88);
}

.sz-prose h1,
.sz-prose h2,
.sz-prose h3,
.sz-prose h4 {
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-top: 2em;
    margin-bottom: 0.6em;
}

.sz-prose h1 { font-size: 1.9em; }
.sz-prose h2 {
    font-size: 1.55em;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 0.3em;
}
.sz-prose h3 { font-size: 1.25em; }
.sz-prose h4 { font-size: 1.05em; }

.sz-prose p {
    margin-bottom: 1.2em;
}

.sz-prose a {
    color: #0075de;
    text-decoration: underline;
    text-decoration-color: rgba(0, 117, 222, 0.3);
    text-underline-offset: 3px;
}

.sz-prose a:hover {
    text-decoration-color: #0075de;
}

.sz-prose img {
    border-radius: 8px;
    margin: 1.5em auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.sz-prose blockquote {
    border-left: 3px solid rgba(0, 0, 0, 0.15);
    padding: 4px 0 4px 16px;
    margin: 1.5em 0;
    color: #615d59;
    font-style: italic;
}

.sz-prose ul,
.sz-prose ol {
    padding-left: 24px;
    margin-bottom: 1.2em;
}

.sz-prose ul { list-style: disc; }
.sz-prose ol { list-style: decimal; }

.sz-prose li {
    margin-bottom: 0.4em;
}

.sz-prose code {
    font-family: "SF Mono", "Menlo", "Monaco", monospace;
    font-size: 0.88em;
    background: rgba(0, 0, 0, 0.05);
    padding: 0.15em 0.4em;
    border-radius: 4px;
}

.sz-prose pre {
    background: #f6f5f4;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5em 0;
}

.sz-prose pre code {
    background: none;
    padding: 0;
    font-size: 0.9em;
}

.sz-prose hr {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    margin: 2em 0;
}

.sz-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 0.95em;
}

.sz-prose th,
.sz-prose td {
    padding: 10px 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    text-align: left;
}

.sz-prose th {
    background: #f6f5f4;
    font-weight: 600;
}

/* 资源下载/链接卡片 */
.sz-resource-cta {
    margin: 2em 0;
    padding: 20px 24px;
    background: #f6f5f4;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.sz-resource-cta__label {
    font-size: 14px;
    color: #615d59;
}

.sz-resource-cta__label strong {
    color: rgba(0, 0, 0, 0.95);
    font-size: 16px;
    display: block;
    margin-bottom: 2px;
}

/* 文章底部标签 */
.sz-tags {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.sz-tag {
    padding: 3px 10px;
    font-size: 12px;
    color: #615d59;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 9999px;
    transition: background 0.15s ease;
}

.sz-tag:hover {
    background: rgba(0, 0, 0, 0.08);
}

/* 文章导航 */
.sz-post-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.sz-post-nav a {
    color: #615d59;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 48%;
}

.sz-post-nav a:hover {
    color: #0075de;
}

.sz-post-nav__label {
    font-size: 12px;
    color: #9b9690;
}

.sz-post-nav__next {
    text-align: right;
    margin-left: auto;
}

/* ==========================================================================
   10. 联系区
   ========================================================================== */

.sz-contact {
    text-align: center;
    padding: 80px 0;
}

.sz-contact__card {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 8px 24px rgba(0, 0, 0, 0.04);
}

.sz-contact__title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.sz-contact__desc {
    color: #615d59;
    margin-bottom: 32px;
}

.sz-contact__channels {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ==========================================================================
   11. 页脚
   ========================================================================== */

.sz-footer {
    background: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding: 48px 0 32px;
    color: #615d59;
    font-size: 14px;
}

.sz-footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 48px;
    flex-wrap: wrap;
}

.sz-footer__brand {
    max-width: 280px;
}

.sz-footer__logo {
    font-weight: 700;
    color: rgba(0, 0, 0, 0.95);
    font-size: 16px;
    margin-bottom: 8px;
}

.sz-footer__desc {
    font-size: 13px;
    color: #9b9690;
    line-height: 1.6;
}

.sz-footer__nav {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.sz-footer__col h4 {
    font-size: 13px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.95);
    margin-bottom: 12px;
}

.sz-footer__col ul li {
    margin-bottom: 8px;
}

.sz-footer__col a {
    color: #615d59;
    font-size: 13px;
}

.sz-footer__col a:hover {
    color: rgba(0, 0, 0, 0.95);
}

.sz-footer__bottom {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #9b9690;
    flex-wrap: wrap;
    gap: 12px;
}

/* ==========================================================================
   12. 面包屑
   ========================================================================== */

.sz-breadcrumb {
    font-size: 13px;
    color: #9b9690;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.sz-breadcrumb a {
    color: #615d59;
}

.sz-breadcrumb a:hover {
    color: #0075de;
}

.sz-breadcrumb__sep {
    color: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   13. 空状态
   ========================================================================== */

.sz-empty {
    text-align: center;
    padding: 80px 24px;
    color: #615d59;
}

.sz-empty__icon {
    font-size: 40px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.sz-empty__title {
    font-size: 18px;
    color: rgba(0, 0, 0, 0.95);
    margin-bottom: 8px;
}

/* ==========================================================================
   14. 工具类
   ========================================================================== */

.sz-text-center { text-align: center; }
.sz-mt-0   { margin-top: 0 !important; }
.sz-mb-0   { margin-bottom: 0 !important; }
.sz-hidden { display: none !important; }

.sz-section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 12px;
}

.sz-section-head__left .sz-section__title {
    margin-bottom: 4px;
}

.sz-more-link {
    font-size: 14px;
    font-weight: 500;
    color: #0075de;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ==========================================================================
   15. 响应式
   ========================================================================== */

@media (max-width: 1024px) {
    .sz-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .sz-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .sz-list { grid-template-columns: repeat(2, 1fr); }
    .sz-work-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .sz-container {
        padding: 0 20px;
    }

    .sz-section {
        padding: 56px 0;
    }

    /* 移动端导航折叠 */
    .sz-menu-toggle {
        display: flex;
    }

    .sz-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 24px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    body.sz-nav-open .sz-nav {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .sz-nav__item {
        padding: 12px 8px;
        font-size: 15px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        border-radius: 0;
    }

    .sz-nav__item:last-child {
        border-bottom: none;
    }

    .sz-header__actions .sz-btn {
        display: none;
    }

    /* Hero */
    .sz-hero {
        padding: 56px 0 40px;
    }

    .sz-hero__title {
        font-size: 34px;
    }

    .sz-hero__subtitle {
        font-size: 16px;
    }

    /* 网格折叠为单列 */
    .sz-grid--4,
    .sz-grid--3,
    .sz-grid--2,
    .sz-list,
    .sz-work-grid {
        grid-template-columns: 1fr;
    }

    /* 文章标题 */
    .sz-article__title {
        font-size: 28px;
    }

    .sz-article__excerpt {
        font-size: 16px;
    }

    .sz-prose {
        font-size: 16px;
    }

    /* 联系卡片 */
    .sz-contact__card {
        padding: 32px 24px;
    }

    /* 页脚 */
    .sz-footer__inner {
        flex-direction: column;
        gap: 32px;
    }

    .sz-footer__nav {
        gap: 32px;
    }

    .sz-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    /* 文章导航 */
    .sz-post-nav {
        flex-direction: column;
        gap: 16px;
    }

    .sz-post-nav__next {
        text-align: left;
    }

    .sz-page-header__title {
        font-size: 28px;
    }

    .sz-section__title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .sz-hero__title {
        font-size: 28px;
    }

    .sz-hero__actions {
        flex-direction: column;
    }

    .sz-hero__actions .sz-btn {
        width: 100%;
    }

    .sz-card {
        padding: 20px;
    }
}

/* ==========================================================================
   16. WordPress 原生元素修正
   ========================================================================== */

/* 对齐 */
.alignnone { margin: 1.5em 0; }
.aligncenter {
    display: block;
    margin: 1.5em auto;
}
.alignleft {
    float: left;
    margin: 0 1.5em 1em 0;
}
.alignright {
    float: right;
    margin: 0 0 1em 1.5em;
}

/* 标题装饰 */
.wp-caption {
    max-width: 100%;
}

.wp-caption .wp-caption-text {
    font-size: 13px;
    color: #9b9690;
    text-align: center;
    margin-top: 8px;
}

/* 屏幕阅读器文本 */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute !important;
    width: 1px;
    word-wrap: normal !important;
}

/* sticky 置顶标记 */
.sz-sticky-mark {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
    border-radius: 9999px;
    margin-left: 8px;
}

/* 旋转加载占位 */
.sz-skeleton {
    background: linear-gradient(
        90deg,
        #f6f5f4 0%,
        #edebe9 50%,
        #f6f5f4 100%
    );
    background-size: 200% 100%;
    animation: sz-shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes sz-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 缩略图占位（无特色图片时） */
.sz-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: #f6f5f4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c4bfb9;
    font-size: 32px;
    font-weight: 700;
}

.sz-thumb-placeholder::first-letter {
    color: #0075de;
}