@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700&family=Comic+Neue:wght@300;400;700&display=swap');

/* =====================
   CSS 自定义属性
   ===================== */
:root {
  --green: #00ff80;
  --blue: #0000ff;
  --black: #000000;
  --white: #ffffff;
  --gray-dark: #111111;
  --gray-mid: #222222;
  --gray-border: #333333;
  --font-main: 'Baloo 2', 'Comic Neue', system-ui, sans-serif;
  --border-w: 3px;
  --radius: 0px;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: var(--green);
  text-decoration: none;
  font-weight: 700;
}

a:hover, a:focus {
  color: var(--white);
  background: var(--green);
  outline: 2px solid var(--green);
}

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

ul, ol { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 700;
  line-height: 1.2;
}

/* =====================
   公告条
   ===================== */
.announce-bar {
  background: var(--blue);
  color: var(--white);
  text-align: center;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-bottom: var(--border-w) solid var(--green);
}

/* =====================
   顶部导航
   ===================== */
.site-header {
  background: var(--black);
  border-bottom: var(--border-w) solid var(--green);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  background: none;
  outline: none;
  flex-shrink: 0;
  min-height: 40px;
}

.brand-link:hover, .brand-link:focus {
  background: none;
  color: var(--white);
  outline: 2px solid var(--green);
}

.brand-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-text-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 0.75rem;
  border: var(--border-w) solid var(--white);
  flex-shrink: 0;
}

.brand-label {
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: var(--border-w) solid var(--green);
  color: var(--green);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px 12px;
  min-height: 40px;
  min-width: 40px;
  margin-left: auto;
}

.nav-toggle:hover {
  background: var(--green);
  color: var(--black);
}

#main-nav {
  margin-left: auto;
}

#main-nav > ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
}

#main-nav > ol > li > a {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  border-left: 2px solid transparent;
  min-height: 40px;
  text-decoration: none;
  background: none;
  outline: none;
}

#main-nav > ol > li > a:hover,
#main-nav > ol > li > a:focus,
#main-nav > ol > li > a[aria-current="page"] {
  color: var(--black);
  background: var(--green);
  border-left-color: var(--blue);
  outline: none;
}

/* =====================
   Hero（首页）
   ===================== */
.hero {
  min-height: 70vh;
  background: var(--black);
  border-bottom: 4px solid var(--blue);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-media {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.hero-badge {
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 12px;
  border: var(--border-w) solid var(--black);
  letter-spacing: 0.1em;
  position: absolute;
  top: -16px;
  left: 0;
  z-index: 2;
}

.hero-visual {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  border: var(--border-w) solid var(--green);
  background: var(--gray-dark);
  overflow: hidden;
  margin-top: 16px;
}

.hero-block {
  position: absolute;
}

.hero-block--1 {
  background: var(--blue);
  width: 55%;
  height: 55%;
  top: 0;
  left: 0;
  border-bottom: var(--border-w) solid var(--green);
  border-right: var(--border-w) solid var(--green);
  animation: drift1 6s linear infinite alternate;
}

.hero-block--2 {
  background: var(--green);
  width: 40%;
  height: 40%;
  bottom: 0;
  right: 0;
  border-top: var(--border-w) solid var(--blue);
  border-left: var(--border-w) solid var(--blue);
  animation: drift2 7s linear infinite alternate;
}

.hero-block--3 {
  background: var(--black);
  border: var(--border-w) solid var(--white);
  width: 30%;
  height: 30%;
  top: 30%;
  left: 30%;
  animation: drift3 5s linear infinite alternate;
}

.hero-nums {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--white);
  z-index: 2;
  gap: 2px;
  text-shadow: 2px 2px 0 var(--black);
}

.hero-c {
  color: var(--green);
}

.hero-tag {
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  padding: 4px 14px;
  font-size: 0.9rem;
  border: var(--border-w) solid var(--white);
  align-self: flex-end;
  margin-top: -8px;
}

.hero-content {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
}

.hero-h1 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  border-bottom: 4px solid var(--green);
  padding-bottom: 12px;
}

.hero-lead {
  font-size: 1.05rem;
  color: #ccc;
  max-width: 380px;
  line-height: 1.7;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 28px;
  border: var(--border-w) solid var(--white);
  text-decoration: none;
  min-height: 44px;
  letter-spacing: 0.05em;
}

.hero-btn:hover, .hero-btn:focus {
  background: var(--white);
  color: var(--black);
  outline: 2px solid var(--green);
}

@keyframes drift1 {
  from { transform: translate(0,0); }
  to   { transform: translate(8px, 12px); }
}
@keyframes drift2 {
  from { transform: translate(0,0); }
  to   { transform: translate(-10px, -8px); }
}
@keyframes drift3 {
  from { transform: translate(0,0) rotate(0deg); }
  to   { transform: translate(5px, -5px) rotate(8deg); }
}

/* =====================
   主体布局
   ===================== */
main {
  background: var(--black);
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 16px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}

.section-cats,
.section-cat-content,
.section-article,
.section-about,
.section-privacy,
.section-tag {
  min-width: 0;
}

/* =====================
   分区标签
   ===================== */
.section-label {
  margin-bottom: 24px;
}

.section-label span {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 14px;
  border: var(--border-w) solid var(--green);
  letter-spacing: 0.08em;
}

/* =====================
   首页分区卡片
   ===================== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.cat-card {
  border: var(--border-w) solid var(--green);
  background: var(--gray-dark);
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: 0;
}

.cat-card--a {
  border-bottom: 5px solid var(--green);
}

.cat-card--b {
  border-bottom: 5px solid var(--blue);
}

.cat-card__num {
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 2px 8px;
  border: var(--border-w) solid var(--black);
}

.cat-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cat-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  border-bottom: 2px solid var(--gray-border);
  padding-bottom: 8px;
}

.cat-card__title span {
  display: inline;
}

.cat-card__desc {
  font-size: 0.9rem;
  color: #aaa;
  line-height: 1.5;
  flex: 1;
}

.cat-card__subs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sub-link {
  font-size: 0.8rem;
  background: var(--gray-mid);
  color: var(--green);
  padding: 2px 8px;
  border: 1px solid var(--green);
  font-weight: 700;
  text-decoration: none;
}

.sub-link:hover, .sub-link:focus {
  background: var(--green);
  color: var(--black);
}

.cat-card__cta {
  display: inline-flex;
  align-items: center;
  margin-top: 4px;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 16px;
  border: var(--border-w) solid var(--white);
  min-height: 40px;
  align-self: flex-start;
  text-decoration: none;
}

.cat-card__cta:hover, .cat-card__cta:focus {
  background: var(--green);
  color: var(--black);
  outline: none;
}

/* =====================
   正文内容块
   ===================== */
.page-content-block {
  border-top: var(--border-w) solid var(--gray-border);
  padding-top: 24px;
  margin-top: 8px;
}

.article-body {
  font-size: 1rem;
  line-height: 1.7;
  color: #e0e0e0;
}

.article-body h2 {
  font-size: 1.3rem;
  margin: 28px 0 12px;
  color: var(--green);
  border-left: 4px solid var(--blue);
  padding-left: 12px;
}

.article-body h3 {
  font-size: 1.1rem;
  margin: 20px 0 10px;
  color: var(--white);
}

.article-body p {
  margin-bottom: 14px;
}

.article-body ul, .article-body ol {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 14px;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 6px;
}

.article-body a {
  color: var(--green);
  font-weight: 700;
  border-bottom: 1px solid var(--green);
}

.article-body a:hover {
  background: var(--green);
  color: var(--black);
}

.article-body blockquote {
  border-left: 4px solid var(--blue);
  padding: 12px 16px;
  background: var(--gray-dark);
  color: #bbb;
  margin: 16px 0;
}

.article-body code {
  background: var(--gray-mid);
  color: var(--green);
  padding: 2px 6px;
  font-family: monospace;
  font-size: 0.9rem;
}

.article-body pre {
  background: var(--gray-mid);
  color: var(--green);
  padding: 16px;
  overflow-x: auto;
  border: var(--border-w) solid var(--gray-border);
  margin-bottom: 16px;
}

.article-body strong {
  color: var(--white);
  font-weight: 700;
}

/* =====================
   栏目Hero
   ===================== */
.cat-hero {
  background: var(--gray-dark);
  border-bottom: 4px solid var(--blue);
  padding: 40px 16px;
}

.cat-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.cat-hero-num {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  border: var(--border-w) solid var(--blue);
  padding: 8px 20px;
  flex-shrink: 0;
  text-shadow: 3px 3px 0 var(--green);
}

.cat-hero-text h1 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 8px;
}

.cat-hero-text p {
  color: #aaa;
  font-size: 0.95rem;
}

/* =====================
   标签页 Banner
   ===================== */
.tag-banner {
  background: var(--gray-dark);
  border-bottom: 4px solid var(--green);
  padding: 36px 16px;
}

.tag-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.tag-banner-label {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 3px 12px;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
  border: var(--border-w) solid var(--green);
}

.tag-banner-h1 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 8px;
}

.tag-banner-desc {
  color: #aaa;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.tag-banner-count {
  display: inline-block;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 3px 12px;
  border: var(--border-w) solid var(--black);
}

/* =====================
   标签页内容
   ===================== */
.tag-cat a {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid var(--blue);
  padding: 1px 7px;
}

.tag-cat a:hover {
  background: var(--blue);
  color: var(--white);
}

.tag-empty {
  padding: 32px 0;
  color: #888;
  font-size: 1rem;
}

.tag-empty p {
  margin-bottom: 16px;
}

.tag-footer-nav {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  border-top: var(--border-w) solid var(--gray-border);
  padding-top: 16px;
}

/* =====================
   子页列表（栏目页）
   ===================== */
.child-list-block {
  margin-top: 36px;
}

.child-list-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 16px;
  border-bottom: var(--border-w) solid var(--green);
  padding-bottom: 8px;
}

.child-list-title span {
  display: inline;
}

.child-dl {
  display: grid;
  gap: 0;
}

.child-dl > dt {
  background: var(--gray-mid);
  border: var(--border-w) solid var(--gray-border);
  border-bottom: none;
  padding: 10px 16px;
  font-weight: 700;
}

.child-dl > dt > a {
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}

.child-dl > dt > a:hover,
.child-dl > dt > a:focus {
  color: var(--black);
  background: var(--green);
}

.child-dl > dd {
  background: var(--gray-dark);
  border: var(--border-w) solid var(--gray-border);
  border-bottom: 3px solid var(--blue);
  padding: 8px 16px 10px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: #999;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.child-date {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 700;
}

.child-desc {
  color: #aaa;
}

/* =====================
   文章页面
   ===================== */
.breadcrumb {
  margin-bottom: 20px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
}

.breadcrumb ol li {
  display: flex;
  align-items: center;
  color: #888;
}

.breadcrumb ol li::after {
  content: '›';
  margin-left: 8px;
  color: #555;
}

.breadcrumb ol li:last-child::after {
  content: '';
}

.breadcrumb ol li a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
}

.breadcrumb ol li[aria-current] {
  color: var(--white);
  font-weight: 700;
}

.article-header {
  margin-bottom: 28px;
  border-bottom: var(--border-w) solid var(--gray-border);
  padding-bottom: 20px;
}

.article-h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #888;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.meta-item time {
  color: var(--green);
  font-weight: 700;
}

.meta-item a {
  color: var(--green);
  font-weight: 700;
}

.article-footer-nav {
  margin-top: 32px;
  border-top: var(--border-w) solid var(--gray-border);
  padding-top: 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: var(--border-w) solid var(--blue);
  padding: 6px 14px;
  min-height: 40px;
  margin-right: 10px;
}

.back-link:hover, .back-link:focus {
  background: var(--blue);
  color: var(--white);
}

/* =====================
   关于页
   ===================== */
.about-banner {
  background: var(--gray-dark);
  border-bottom: 4px solid var(--green);
  padding: 40px 16px;
}

.about-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.about-banner-tag {
  display: inline-block;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 3px 12px;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.about-banner-inner h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 8px;
}

.about-banner-inner p {
  color: #aaa;
  font-size: 0.95rem;
}

.about-profile {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--gray-mid);
  border: var(--border-w) solid var(--green);
  padding: 20px;
  margin-bottom: 28px;
}

.about-profile-icon {
  width: 64px;
  height: 64px;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: var(--border-w) solid var(--black);
}

.about-site-name {
  font-size: 1.3rem;
  color: var(--green);
  margin-bottom: 6px;
}

.about-site-name span {
  display: inline;
}

.about-links-block {
  margin-top: 32px;
}

.about-links-title {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 16px;
  border-left: 4px solid var(--green);
  padding-left: 10px;
}

.about-links-title span {
  display: inline;
}

.about-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.about-link-card {
  display: block;
  background: var(--gray-mid);
  border: var(--border-w) solid var(--gray-border);
  border-bottom: 3px solid var(--blue);
  padding: 12px 14px;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
}

.about-link-card:hover, .about-link-card:focus {
  background: var(--blue);
  color: var(--white);
  border-color: var(--green);
}

.about-link-title {
  display: block;
}

/* =====================
   隐私政策页
   ===================== */
.privacy-banner {
  background: var(--gray-dark);
  border-bottom: 4px solid var(--green);
  padding: 36px 16px;
}

.privacy-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.privacy-icon {
  width: 60px;
  height: 60px;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-w) solid var(--green);
  flex-shrink: 0;
}

.privacy-banner-inner h1 {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: var(--white);
  margin-bottom: 4px;
}

.privacy-banner-inner p {
  color: #aaa;
  font-size: 0.9rem;
}

.privacy-body {
  max-width: 720px;
}

.privacy-footer-nav {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* =====================
   侧边栏
   ===================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 80px;
}

.aside-block {
  background: var(--gray-dark);
  border: var(--border-w) solid var(--gray-border);
  border-bottom: 4px solid var(--blue);
  padding: 16px;
}

.aside-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  border-bottom: var(--border-w) solid var(--gray-border);
  padding-bottom: 6px;
}

.aside-title span {
  display: inline;
}

.aside-nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-nav-list li a {
  display: flex;
  align-items: center;
  padding: 7px 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 0.88rem;
  border-left: 3px solid transparent;
  text-decoration: none;
  min-height: 40px;
}

.aside-nav-list li a:hover,
.aside-nav-list li a:focus {
  background: var(--gray-mid);
  border-left-color: var(--green);
  color: var(--green);
  outline: none;
}

.recent-dl {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recent-dl dt {
  font-weight: 700;
  font-size: 0.88rem;
}

.recent-dl dt a {
  color: var(--white);
  font-weight: 700;
}

.recent-dl dt a:hover {
  color: var(--black);
  background: var(--green);
}

.recent-dl dd {
  font-size: 0.8rem;
  color: #888;
  border-bottom: 1px solid var(--gray-border);
  padding-bottom: 8px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}

/* =====================
   页脚
   ===================== */
.site-footer {
  background: var(--gray-dark);
  border-top: 4px solid var(--green);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 40px 0 32px;
  border-bottom: var(--border-w) solid var(--gray-border);
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 8px;
}

.footer-slogan {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.5;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 6px;
  display: inline-block;
}

.footer-col h4 span {
  display: inline;
}

.footer-col nav ol {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-col nav ol li a {
  font-size: 0.88rem;
  color: #aaa;
  font-weight: 700;
  text-decoration: none;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.footer-col nav ol li a:hover,
.footer-col nav ol li a:focus {
  color: var(--green);
  background: none;
  outline: none;
}

.footer-col--contact p {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 12px;
  line-height: 1.5;
}

.footer-contact-btn {
  display: inline-flex;
  align-items: center;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 8px 18px;
  border: var(--border-w) solid var(--white);
  min-height: 40px;
  text-decoration: none;
}

.footer-contact-btn:hover,
.footer-contact-btn:focus {
  background: var(--green);
  color: var(--black);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.82rem;
  color: #666;
}

.footer-legal-links {
  display: flex;
  gap: 16px;
}

.footer-legal-links a {
  font-size: 0.82rem;
  color: #888;
  font-weight: 700;
  text-decoration: none;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

.footer-legal-links a:hover,
.footer-legal-links a:focus {
  color: var(--green);
  background: none;
}

/* =====================
   h2/h3 > span 装饰
   ===================== */
h2 > span, h3 > span {
  display: inline;
  border-bottom: 2px solid var(--green);
  padding-bottom: 1px;
}

/* =====================
   响应式
   ===================== */
@media (max-width: 900px) {
  .wrap {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    text-align: left;
    align-items: flex-start;
  }

  .cat-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .about-profile {
    flex-direction: column;
    align-items: flex-start;
  }

  .privacy-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--black);
    border-bottom: var(--border-w) solid var(--green);
    z-index: 200;
  }

  #main-nav.is-open {
    display: block;
  }

  #main-nav > ol {
    flex-direction: column;
  }

  #main-nav > ol > li > a {
    border-left: none;
    border-bottom: 1px solid var(--gray-border);
    padding: 12px 16px;
    font-size: 1rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 0 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cat-grid {
    grid-template-columns: 1fr;
  }

  .hero-h1 {
    font-size: 1.5rem;
  }

  .breadcrumb ol {
    gap: 4px;
  }

  .wrap {
    padding: 24px 12px;
  }
}

@media (max-width: 375px) {
  body {
    font-size: 16px;
  }

  .header-inner {
    min-height: 52px;
  }

  .about-link-grid {
    grid-template-columns: 1fr;
  }
}