/* ============================================
   囧次元动漫网 - 主样式表
   Author: 囧次元团队
   Version: 1.0
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
    --color-primary: #e74c3c;
    --color-primary-dark: #c0392b;
    --color-primary-light: #ff6b6b;
    --color-secondary: #f39c12;
    --color-bg: #0f0f1a;
    --color-bg-light: #1a1a2e;
    --color-bg-card: #16213e;
    --color-bg-hover: #1f2b47;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0b0;
    --color-text-muted: #6c6c80;
    --color-border: #2a2a40;
    --color-white: #ffffff;
    --color-star: #f1c40f;
    --color-tag-bg: rgba(231, 76, 60, 0.15);
    --color-tag-text: #e74c3c;
    --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --header-height: 70px;
}

/* ===== 重置 & 基础 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

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

input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ===== 辅助类 ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    gap: 8px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), #c0392b);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
    color: var(--color-white);
}

.btn--outline {
    border: 2px solid var(--color-border);
    color: var(--color-text-light);
    background: transparent;
}

.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-tag-bg);
}

/* ===== 区块头部 ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    position: relative;
    padding-left: 14px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-more {
    font-size: 14px;
    color: var(--color-text-light);
    transition: var(--transition);
}

.section-more:hover {
    color: var(--color-primary);
}

/* ============================================
   头部导航
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.header--scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header__inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 30px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), #c0392b);
    font-size: 22px;
    font-weight: 900;
    color: var(--color-white);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
}

.logo__text {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo__text-sub {
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航 */
.nav__list {
    display: flex;
    gap: 4px;
}

.nav__link {
    display: block;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
    position: relative;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-white);
    background: var(--color-bg-card);
}

.nav__link--active {
    color: var(--color-primary);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* 搜索框 */
.search-box {
    margin-left: auto;
    flex-shrink: 0;
}

.search-box__form {
    display: flex;
    align-items: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 25px;
    overflow: hidden;
    transition: var(--transition);
}

.search-box__form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.search-box__input {
    padding: 8px 16px;
    background: transparent;
    color: var(--color-text);
    width: 200px;
    font-size: 14px;
}

.search-box__input::placeholder {
    color: var(--color-text-muted);
}

.search-box__btn {
    padding: 8px 14px;
    color: var(--color-text-light);
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.search-box__btn:hover {
    color: var(--color-primary);
}

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb {
    padding: 16px 0;
    margin-top: var(--header-height);
}

.breadcrumb__list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb__item + .breadcrumb__item::before {
    content: '/';
    color: var(--color-text-muted);
}

.breadcrumb__link {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.breadcrumb__link:hover {
    color: var(--color-primary);
}

.breadcrumb__item--active {
    color: var(--color-text-light);
}

/* ============================================
   轮播图
   ============================================ */
.hero {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.hero__slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.hero__slide {
    position: relative;
    display: none;
    min-height: 400px;
    overflow: hidden;
}

.hero__slide--active {
    display: block;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-light);
    transition: transform 0.5s ease;
}

.hero__slide:hover .hero__bg {
    transform: scale(1.05);
}

.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(15, 15, 26, 0.9) 0%, rgba(15, 15, 26, 0.4) 50%, transparent 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 60px 50px;
    max-width: 550px;
}

.hero__title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero__desc {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.hero__tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.hero__tag {
    padding: 4px 12px;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.hero__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__btn:hover {
    background: var(--color-primary);
}

.hero__btn--prev {
    left: 16px;
}

.hero__btn--next {
    right: 16px;
}

.hero__dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.hero__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.hero__dot--active {
    background: var(--color-primary);
    width: 28px;
    border-radius: 5px;
}

/* ============================================
   分类导航
   ============================================ */
.categories {
    margin-bottom: 40px;
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-align: center;
}

.category-card:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: inherit;
}

.category-card__icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.category-card__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.category-card__count {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ============================================
   动漫网格
   ============================================ */
.anime-list {
    margin-bottom: 40px;
}

.anime-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.anime-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.anime-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.anime-card__poster {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--color-bg-light);
}

.anime-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.anime-card:hover .anime-card__img {
    transform: scale(1.1);
}

.anime-card__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
}

.anime-card__episode {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 3px 10px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--color-white);
    font-size: 12px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.anime-card__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: var(--transition);
}

.anime-card:hover .anime-card__play {
    opacity: 1;
}

.anime-card__play-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transform: scale(0.8);
    transition: var(--transition);
}

.anime-card:hover .anime-card__play-icon {
    transform: scale(1);
}

.anime-card__info {
    padding: 14px;
}

.anime-card__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.anime-card__desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.anime-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-text-muted);
}

.anime-card__rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-star);
}

.anime-card__rating svg {
    width: 14px;
    height: 14px;
}

.load-more {
    text-align: center;
}

/* ============================================
   排行榜
   ============================================ */
.rank-list {
    margin-bottom: 40px;
}

.rank-list__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.rank-item:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
}

.rank-item__number {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-muted);
    min-width: 32px;
    text-align: center;
}

.rank-item:nth-child(1) .rank-item__number,
.rank-item:nth-child(2) .rank-item__number,
.rank-item:nth-child(3) .rank-item__number {
    color: var(--color-primary);
}

.rank-item__poster {
    width: 50px;
    height: 70px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg-light);
}

.rank-item__poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rank-item__info {
    flex: 1;
    min-width: 0;
}

.rank-item__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rank-item__desc {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rank-item__meta {
    font-size: 12px;
    color: var(--color-text-muted);
}

.rank-item__score {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-star);
    flex-shrink: 0;
}

/* ============================================
   SEO 内容区域
   ============================================ */
.seo-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-bottom: 40px;
    border: 1px solid var(--color-border);
}

.seo-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.seo-content p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.seo-content p:last-of-type {
    margin-bottom: 20px;
}

.seo-content__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.seo-content__tag {
    padding: 4px 14px;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* ============================================
   友情链接
   ============================================ */
.friend-links {
    margin-bottom: 40px;
    padding: 20px 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.friend-links__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.friend-links__list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.friend-links__list a {
    font-size: 13px;
    color: var(--color-text-light);
    transition: var(--transition);
}

.friend-links__list a:hover {
    color: var(--color-primary);
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding-top: 50px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__desc {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer__links li {
    margin-bottom: 8px;
}

.footer__links a {
    font-size: 13px;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
    text-align: center;
}

.footer__copyright {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.footer__copyright a {
    color: var(--color-text-light);
}

.footer__copyright a:hover {
    color: var(--color-primary);
}

.footer__icp a {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ============================================
   回到顶部
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   响应式设计
   ============================================ */

/* 平板 - 大屏 */
@media (max-width: 1024px) {
    .categories__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .anime-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer__inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板 - 小屏 */
@media (max-width: 768px) {
    .header__inner {
        gap: 16px;
    }
    
    .nav__list {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 12px;
        gap: 4px;
    }
    
    .nav__list--open {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .search-box__input {
        width: 140px;
    }
    
    .hero__slide {
        min-height: 320px;
    }
    
    .hero__content {
        padding: 40px 30px;
    }
    
    .hero__title {
        font-size: 24px;
    }
    
    .categories__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .anime-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
    }
    
    .rank-list__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }
    
    .logo__icon {
        width: 34px;
        height: 34px;
        font-size: 18px;
        border-radius: 8px;
    }
    
    .logo__text {
        font-size: 18px;
    }
    
    .search-box__input {
        width: 100px;
        font-size: 13px;
        padding: 8px 10px;
    }
    
    .hero__slide {
        min-height: 260px;
    }
    
    .hero__content {
        padding: 30px 20px;
    }
    
    .hero__title {
        font-size: 20px;
    }
    
    .hero__desc {
        font-size: 13px;
    }
    
    .hero__btn {
        width: 36px;
        height: 36px;
    }
    
    .categories__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .category-card {
        padding: 16px 10px;
    }
    
    .anime-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .section-title {
        font-size: 18px;
    }
    
    .seo-content {
        padding: 20px;
    }
    
    .seo-content h2 {
        font-size: 18px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 38px;
        height: 38px;
    }
}

/* 超小屏手机 */
@media (max-width: 360px) {
    .anime-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .search-box__input {
        width: 80px;
    }
}

/* ============================================
   动画
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.anime-card {
    animation: fadeIn 0.5s ease forwards;
}

.anime-card:nth-child(2) { animation-delay: 0.05s; }
.anime-card:nth-child(3) { animation-delay: 0.1s; }
.anime-card:nth-child(4) { animation-delay: 0.15s; }
.anime-card:nth-child(5) { animation-delay: 0.2s; }
.anime-card:nth-child(6) { animation-delay: 0.25s; }
.anime-card:nth-child(7) { animation-delay: 0.3s; }
.anime-card:nth-child(8) { animation-delay: 0.35s; }
.anime-card:nth-child(9) { animation-delay: 0.4s; }
.anime-card:nth-child(10) { animation-delay: 0.45s; }

/* ============================================
   滚动条美化
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ============================================
   选中文本样式
   ============================================ */
::selection {
    background: var(--color-primary);
    color: var(--color-white);
}