/* ==========================================================================
   黑料吃瓜在线视频 - 共享样式表
   温暖"吃瓜"休闲咖啡馆风格
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --melon-brown: #8b4513;      /* 西瓜皮棕 */
  --warm-orange: #ff6b35;      /* 暖橙色 */
  --cream: #fff8e7;            /* 奶油背景 */
  --melon-green: #2e7d32;      /* 西瓜绿 */
  --melon-pink: #e91e63;       /* 西瓜瓤粉 */
  --paper: #fdf6e3;            /* 纸张色 */
  --ink: #3e2723;              /* 墨水棕 */
  --ink-soft: #6d4c41;         /* 柔和墨色 */
  --muted: #a1887f;            /* 柔灰棕 */
  --border-warm: #e8d8b8;     /* 暖边框 */
  --seed: #1a1a1a;             /* 瓜籽色 */
  --shadow-soft: 0 4px 18px rgba(139, 69, 19, 0.10);
  --shadow-hover: 0 10px 30px rgba(139, 69, 19, 0.20);
  --radius: 14px;
  --radius-lg: 22px;
  --serif: "Georgia", "Songti SC", "STSong", "SimSun", serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.75;
  min-height: 100vh;
  /* 暖纸纹理背景 */
  background-color: var(--cream);
  background-image:
    radial-gradient(circle at 20% 10%, rgba(255, 107, 53, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(46, 125, 50, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(233, 30, 99, 0.03) 0%, transparent 60%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 12px,
      rgba(139, 69, 19, 0.012) 12px,
      rgba(139, 69, 19, 0.012) 13px
    );
}

a {
  color: var(--warm-orange);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--melon-pink);
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   顶部导航栏
   ========================================================================== */
.header {
  background: linear-gradient(180deg, #fff3d6 0%, #ffe9c2 100%);
  border-bottom: 3px solid var(--melon-brown);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(139, 69, 19, 0.12);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 西瓜 LOGO - 纯 CSS 半圆带籽 */
.watermelon-logo {
  width: 52px;
  height: 30px;
  position: relative;
  background: linear-gradient(180deg, var(--melon-pink) 0%, var(--melon-pink) 70%, #ffffff 70%, #ffffff 78%, var(--melon-green) 78%, var(--melon-green) 100%);
  border-radius: 52px 52px 8px 8px / 30px 30px 8px 8px;
  border: 2px solid var(--melon-green);
  border-bottom: none;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(139, 69, 19, 0.2);
}

.watermelon-logo::before,
.watermelon-logo::after,
.watermelon-logo .seed {
  content: "";
  position: absolute;
  width: 4px;
  height: 6px;
  background: var(--seed);
  border-radius: 50%;
  top: 12px;
}

.watermelon-logo::before { left: 14px; transform: rotate(-15deg); }
.watermelon-logo::after { right: 14px; transform: rotate(15deg); }

.watermelon-logo .seed-1 { left: 50%; transform: translateX(-50%); }

.brand-text h1 {
  font-size: 1.45rem;
  color: var(--melon-brown);
  font-weight: bold;
  letter-spacing: 1px;
  line-height: 1.1;
}

.brand-text small {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-style: italic;
  letter-spacing: 2px;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav a {
  display: inline-block;
  padding: 8px 16px;
  color: var(--ink);
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
  position: relative;
}

.nav a:hover {
  background: var(--cream);
  color: var(--warm-orange);
  transform: translateY(-1px);
}

.nav a.active {
  background: var(--warm-orange);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}

/* ==========================================================================
   西瓜装饰元素
   ========================================================================== */
.melon-deco {
  position: relative;
  display: inline-block;
  width: 80px;
  height: 44px;
  background: linear-gradient(180deg, var(--melon-pink) 0%, var(--melon-pink) 68%, #fff 68%, #fff 76%, var(--melon-green) 76%, var(--melon-green) 100%);
  border-radius: 80px 80px 14px 14px / 44px 44px 14px 14px;
  border: 2.5px solid var(--melon-green);
  border-bottom: none;
  margin: 0 8px;
  vertical-align: middle;
}

.melon-deco::before,
.melon-deco::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 7px;
  background: var(--seed);
  border-radius: 50%;
  top: 18px;
}

.melon-deco::before { left: 22px; transform: rotate(-20deg); }
.melon-deco::after { right: 22px; transform: rotate(20deg); }

/* 小型分隔西瓜 */
.melon-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 28px 0 22px;
  color: var(--melon-green);
}

.melon-divider::before,
.melon-divider::after {
  content: "";
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border-warm) 0 8px, transparent 8px 14px);
}

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 11px 26px;
  border-radius: 30px;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--warm-orange) 0%, #ff8c42 100%);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 107, 53, 0.45);
}

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

.btn-outline:hover {
  background: var(--melon-brown);
  color: #fff;
}

.btn-pink {
  background: var(--melon-pink);
  color: #fff;
  box-shadow: 0 6px 16px rgba(233, 30, 99, 0.3);
}

.btn-pink:hover {
  color: #fff;
  transform: translateY(-2px);
}

/* ==========================================================================
   章节标题
   ========================================================================== */
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 36px 0 22px;
  font-size: 1.5rem;
  color: var(--melon-brown);
  font-weight: bold;
}

.section-title::before {
  content: "";
  width: 6px;
  height: 28px;
  background: linear-gradient(180deg, var(--melon-pink) 0%, var(--warm-orange) 100%);
  border-radius: 4px;
}

.section-title small {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: normal;
  font-style: italic;
  margin-left: auto;
}

/* ==========================================================================
   卡片基础
   ========================================================================== */
.card {
  background: #fffdf7;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: rotate(-0.6deg) translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   瀑布流布局
   ========================================================================== */
.masonry {
  column-count: 3;
  column-gap: 22px;
}

@media (max-width: 960px) {
  .masonry { column-count: 2; }
}

@media (max-width: 600px) {
  .masonry { column-count: 1; }
}

.masonry .masonry-item {
  break-inside: avoid;
  margin-bottom: 22px;
  display: inline-block;
  width: 100%;
}

/* ==========================================================================
   视频卡片
   ========================================================================== */
.video-card {
  background: #fffdf7;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
  transform: rotate(-0.7deg) translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--melon-brown) 0%, var(--warm-orange) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(46, 125, 50, 0.3) 0%, transparent 50%);
}

/* 播放按钮 - 纯 CSS */
.play-btn {
  position: relative;
  z-index: 2;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease;
}

.video-card:hover .play-btn {
  transform: scale(1.15);
}

.play-btn::after {
  content: "";
  display: block;
  border-left: 16px solid var(--warm-orange);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 5px;
}

.duration-badge {
  position: absolute;
  z-index: 2;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: 4px;
  font-family: var(--serif);
  letter-spacing: 0.5px;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: bold;
  margin-bottom: 8px;
  line-height: 1.4;
}

.video-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 8px;
}

.video-tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 9px;
  border-radius: 12px;
  background: rgba(46, 125, 50, 0.12);
  color: var(--melon-green);
  margin-right: 6px;
}

.video-tag.pink { background: rgba(233, 30, 99, 0.12); color: var(--melon-pink); }
.video-tag.orange { background: rgba(255, 107, 53, 0.12); color: var(--warm-orange); }
.video-tag.brown { background: rgba(139, 69, 19, 0.12); color: var(--melon-brown); }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
  background: linear-gradient(180deg, #4e342e 0%, #3e2723 100%);
  color: #ffe9c2;
  padding: 44px 24px 24px;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--melon-green) 0%, var(--warm-orange) 33%, var(--melon-pink) 66%, var(--melon-green) 100%);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

.footer h4 {
  color: var(--warm-orange);
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.footer a {
  color: #ffe9c2;
  display: block;
  padding: 4px 0;
  font-size: 0.9rem;
}

.footer a:hover {
  color: var(--warm-orange);
}

.footer-bottom {
  max-width: 1200px;
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px dashed rgba(255, 233, 194, 0.2);
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 233, 194, 0.7);
}

/* ==========================================================================
   标签 / 徽章
   ========================================================================== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}

.badge-hot { background: var(--melon-pink); color: #fff; }
.badge-new { background: var(--melon-green); color: #fff; }
.badge-fire { background: var(--warm-orange); color: #fff; }

/* ==========================================================================
   页面横幅
   ========================================================================== */
.page-banner {
  background: linear-gradient(135deg, #ffe9c2 0%, #ffd6a5 100%);
  border-bottom: 2px solid var(--border-warm);
  padding: 38px 0 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before,
.page-banner::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 66px;
  background: linear-gradient(180deg, var(--melon-pink) 0%, var(--melon-pink) 68%, #fff 68%, #fff 76%, var(--melon-green) 76%, var(--melon-green) 100%);
  border-radius: 120px 120px 18px 18px / 66px 66px 18px 18px;
  border: 3px solid var(--melon-green);
  border-bottom: none;
  opacity: 0.5;
  top: 50%;
  transform: translateY(-50%);
}

.page-banner::before { left: -30px; transform: translateY(-50%) rotate(-25deg); }
.page-banner::after { right: -30px; transform: translateY(-50%) rotate(25deg); }

.page-banner h1 {
  font-size: 2.1rem;
  color: var(--melon-brown);
  position: relative;
  z-index: 2;
}

.page-banner p {
  color: var(--ink-soft);
  margin-top: 8px;
  position: relative;
  z-index: 2;
  font-style: italic;
}

/* ==========================================================================
   内容布局（主体 + 侧栏）
   ========================================================================== */
.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  margin: 32px 0;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
}

@media (max-width: 900px) {
  .sidebar { position: static; }
}

.sidebar-card {
  background: #fffdf7;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-soft);
}

.sidebar-card h3 {
  color: var(--melon-brown);
  font-size: 1.15rem;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--border-warm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h3::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--melon-pink);
  display: inline-block;
}

/* ==========================================================================
   通用工具类
   ========================================================================== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-20 { margin-bottom: 20px; }

/* ==========================================================================
   响应式导航
   ========================================================================== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
  }
  .nav a {
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 0.88rem;
  }
  .brand-text h1 { font-size: 1.2rem; }
  .page-banner h1 { font-size: 1.6rem; }
  .section-title { font-size: 1.25rem; }
}