/* ==========================================================================
   springmeadow · 春日草原黄绿主题
   class 前缀: sme-
   ========================================================================== */

:root {
  --sme-green-deep: #7cb342;
  --sme-green-light: #9ccc65;
  --sme-yellow-warm: #ffd54f;
  --sme-yellow-deep: #ffca28;
  --sme-bg: #fafbf5;
  --sme-text: #33422a;
  --sme-text-soft: #5b6b4d;
  --sme-white: #ffffff;
  --sme-shadow: 0 6px 18px rgba(124, 179, 66, 0.16);
  --sme-radius-lg: 24px;
  --sme-radius-md: 18px;
  --sme-radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body.sme-body {
  background: var(--sme-bg);
  color: var(--sme-text);
  font-family: "Nunito", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

/* ---------------- header ---------------- */

.sme-header {
  background: linear-gradient(135deg, var(--sme-white) 0%, #f3f8e9 100%);
  position: relative;
  padding-bottom: 6px;
}

.sme-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.sme-logo {
  flex-shrink: 0;
}

.sme-logo img {
  border-radius: var(--sme-radius-sm);
}

.sme-slogan {
  color: var(--sme-text-soft);
  font-size: 13px;
  min-width: 0;
  flex: 1 1 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
}

.sme-nav-toggle {
  display: none;
  background: var(--sme-green-light);
  border: none;
  border-radius: var(--sme-radius-sm);
  width: 40px;
  height: 36px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.sme-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--sme-white);
  border-radius: 2px;
}

.sme-nav {
  flex: 1 1 100%;
}

.sme-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 6px;
}

.sme-nav-item {
  min-width: 0;
}

.sme-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sme-text);
  white-space: nowrap;
}

.sme-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sme-green-deep);
  display: inline-block;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.sme-nav-link:hover {
  background: rgba(255, 213, 79, 0.35);
  color: var(--sme-text);
}

.sme-nav-link:hover .sme-dot {
  background: var(--sme-yellow-deep);
  transform: scale(1.3);
}

.sme-header-strip {
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--sme-green-deep) 0 24px,
    var(--sme-yellow-warm) 24px 48px
  );
}

/* ---------------- section titles ---------------- */

.sme-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  color: var(--sme-text);
  margin: 0 0 18px;
}

.sme-title-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sme-yellow-deep);
  box-shadow: 0 0 0 4px rgba(156, 204, 101, 0.35);
  display: inline-block;
  flex-shrink: 0;
}

/* ---------------- main / hero staggered grid ---------------- */

.sme-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.sme-hero {
  margin-bottom: 40px;
}

.sme-hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 18px;
}

.sme-hero-card {
  background: var(--sme-white);
  border-radius: var(--sme-radius-lg);
  box-shadow: var(--sme-shadow);
  padding: 20px;
  min-width: 0;
}

/* 不规则棋盘错落：部分卡片正负 margin-top 制造高低差 */
.sme-hero-grid .sme-hero-card:nth-child(2) { margin-top: 26px; }
.sme-hero-grid .sme-hero-card:nth-child(3) { margin-top: -14px; }
.sme-hero-grid .sme-hero-card:nth-child(4) { margin-top: 12px; }
.sme-hero-grid .sme-hero-card:nth-child(5) { margin-top: -8px; }

.sme-hero-link {
  display: block;
}

.sme-hero-heading {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--sme-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sme-hero-card:hover .sme-hero-heading {
  color: var(--sme-green-deep);
}

.sme-hero-desc {
  font-size: 13px;
  color: var(--sme-text-soft);
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sme-hero-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--sme-text-soft);
}

/* ---------------- category wall ---------------- */

.sme-cate-wall {
  margin-bottom: 40px;
}

.sme-cate-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sme-cate-item {
  padding: 10px 20px;
  background: var(--sme-green-light);
  color: var(--sme-white);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--sme-shadow);
}

.sme-cate-item:hover {
  background: var(--sme-yellow-deep);
  color: var(--sme-text);
  transform: translateY(-2px);
}

/* ---------------- stream list ---------------- */

.sme-stream-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sme-stream-item {
  border-bottom: 1px dashed rgba(124, 179, 66, 0.3);
}

.sme-stream-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 6px;
  min-width: 0;
}

.sme-stream-title {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
}

.sme-stream-link:hover .sme-stream-title {
  color: var(--sme-green-deep);
}

.sme-stream-score,
.sme-stream-date {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--sme-text-soft);
}

/* ---------------- breadcrumb ---------------- */

.sme-crumb-bar {
  background: rgba(156, 204, 101, 0.16);
}

.sme-crumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  font-size: 13px;
  color: var(--sme-text-soft);
}

.sme-crumb-sep {
  margin: 0 6px;
}

.sme-crumb-current {
  color: var(--sme-green-deep);
  font-weight: 600;
}

/* ---------------- two-column layout ---------------- */

.sme-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
}

.sme-layout-main {
  min-width: 0;
}

.sme-list-heading,
.sme-article-heading {
  font-size: 24px;
  margin: 0 0 20px;
  color: var(--sme-text);
}

/* list rows */

.sme-list-set {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.sme-list-row {
  background: var(--sme-white);
  border-radius: var(--sme-radius-md);
  box-shadow: var(--sme-shadow);
}

.sme-list-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  min-width: 0;
}

.sme-list-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sme-list-link:hover .sme-list-title {
  color: var(--sme-green-deep);
}

.sme-list-info {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13px;
  color: var(--sme-text-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: none;
}

.sme-list-tail {
  flex-shrink: 0;
  display: flex;
  gap: 10px;
  font-size: 12px;
  font-style: normal;
  color: var(--sme-text-soft);
}

/* pagination */

.sme-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.sme-page-link {
  padding: 8px 14px;
  border-radius: var(--sme-radius-sm);
  background: var(--sme-white);
  box-shadow: var(--sme-shadow);
  font-size: 13px;
}

.sme-page-link:hover {
  background: var(--sme-yellow-warm);
  color: var(--sme-text);
}

/* article */

.sme-article {
  background: var(--sme-white);
  border-radius: var(--sme-radius-lg);
  box-shadow: var(--sme-shadow);
  padding: 28px 26px;
  margin-bottom: 20px;
}

.sme-article-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--sme-text-soft);
  border-bottom: 1px dashed rgba(124, 179, 66, 0.3);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.sme-article-brief {
  background: rgba(255, 213, 79, 0.18);
  border-radius: var(--sme-radius-sm);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--sme-text-soft);
}

.sme-article-body {
  font-size: 16px;
  color: var(--sme-text);
  margin-top: 16px;
}

.sme-article-body img {
  border-radius: var(--sme-radius-md);
  margin: 10px 0;
}

.sme-share-zone {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed rgba(124, 179, 66, 0.3);
}

/* prev / next */

.sme-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sme-pn-card {
  background: var(--sme-white);
  border-radius: var(--sme-radius-md);
  box-shadow: var(--sme-shadow);
  padding: 16px 18px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sme-pn-label {
  font-size: 12px;
  color: var(--sme-green-deep);
  font-weight: 700;
}

.sme-pn-title {
  font-size: 14px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sme-pn-card:hover {
  background: rgba(156, 204, 101, 0.16);
}

/* ---------------- sidebar ---------------- */

.sme-aside {
  min-width: 0;
}

.sme-side-block {
  background: var(--sme-white);
  border-radius: var(--sme-radius-lg);
  box-shadow: var(--sme-shadow);
  padding: 20px;
}

.sme-side-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  margin: 0 0 14px;
}

.sme-side-list,
.sme-rank-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sme-side-item a,
.sme-rank-item a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.sme-side-item-title,
.sme-rank-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sme-side-item a:hover .sme-side-item-title,
.sme-rank-item a:hover .sme-rank-title {
  color: var(--sme-green-deep);
}

.sme-side-item-date,
.sme-rank-score {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--sme-text-soft);
}

.sme-rank-item {
  counter-increment: sme-rank;
}

.sme-rank-list {
  counter-reset: sme-rank;
}

.sme-rank-title::before {
  content: counter(sme-rank) ".";
  color: var(--sme-yellow-deep);
  font-weight: 700;
  margin-right: 6px;
}

/* 波浪形分隔线：SVG data URI 背景，替代普通 margin 间距 */
.sme-wave-divider {
  height: 22px;
  margin: 14px 4px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 20' preserveAspectRatio='none'%3E%3Cpath d='M0 10 Q 15 0 30 10 T 60 10 T 90 10 T 120 10 V20 H0 Z' fill='%239ccc65' fill-opacity='0.35'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 60px 22px;
}

/* ---------------- footer ---------------- */

.sme-footer {
  background: linear-gradient(180deg, #f3f8e9 0%, #eaf3da 100%);
  margin-top: 20px;
  position: relative;
}

.sme-footer-wave {
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 16' preserveAspectRatio='none'%3E%3Cpath d='M0 8 Q 12.5 16 25 8 T 50 8 T 75 8 T 100 8 V0 H0 Z' fill='%23fafbf5'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 50px 18px;
}

.sme-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sme-flink-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--sme-text);
  margin: 0 0 12px;
}

.sme-flink-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sme-flink-item a {
  font-size: 12px;
  color: var(--sme-text-soft);
}

.sme-flink-item a:hover {
  color: var(--sme-green-deep);
}

.sme-copyright {
  text-align: center;
  padding: 16px 24px 24px;
  font-size: 12px;
  color: var(--sme-text-soft);
  border-top: 1px solid rgba(124, 179, 66, 0.2);
  margin-top: 10px;
}

.sme-beian-line a {
  color: var(--sme-text-soft);
}

/* ==========================================================================
   响应式：1024 / 768 / 480 三档
   ========================================================================== */

@media (max-width: 1024px) {
  .sme-hero-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sme-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .sme-footer-inner {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (max-width: 768px) {
  .sme-hero-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sme-hero-grid .sme-hero-card:nth-child(2),
  .sme-hero-grid .sme-hero-card:nth-child(3),
  .sme-hero-grid .sme-hero-card:nth-child(4),
  .sme-hero-grid .sme-hero-card:nth-child(5) {
    margin-top: 0;
  }

  .sme-layout {
    grid-template-columns: 1fr;
  }

  .sme-aside {
    order: 2;
  }

  .sme-nav-toggle {
    display: flex;
  }

  .sme-list-info {
    display: none;
  }
}

@media (max-width: 480px) {
  .sme-hero-grid {
    grid-template-columns: 1fr;
  }

  .sme-header-inner {
    padding: 14px 16px 8px;
  }

  .sme-main,
  .sme-layout {
    padding-left: 14px;
    padding-right: 14px;
  }

  .sme-footer-inner {
    grid-template-columns: 1fr;
  }

  .sme-prevnext {
    grid-template-columns: 1fr;
  }

  .sme-list-link {
    flex-wrap: wrap;
  }

  .sme-article {
    padding: 18px 16px;
  }
}