/*
Theme Name:   ZIKOSWIM Blog
Theme URI:    https://zikoswim.com/
Description:  Hello Elementor 子主题 — 为博客汇总页提供自定义模板：浅色 hero、话题分组筛选、3×3 文章卡片网格、分页与订阅条。文章内容由 WordPress 真实文章驱动，无需手工维护。
Author:       ZIKOSWIM
Template:     hello-elementor
Version:      1.0.0
License:      GNU General Public License v3 or later
License URI:  https://www.gnu.org/licenses/gpl-3.0.html
Text Domain:  zikoswim-child
*/

/* ==========================================================================
   样式全部限定在 .ziko-blog 容器内，避免影响站点其它页面
   ========================================================================== */

.ziko-blog {
  /* 设计令牌 —— 对齐主站 */
  --z-teal: #0C8794;
  --z-teal-bright: #0FA3B1;
  --z-teal-dark: #0A5E68;
  --z-ink: #0F3138;
  --z-ink-2: #212121;
  --z-muted: #40646C;
  --z-muted-2: #7B9BA2;
  --z-mist: #F0F7F8;
  --z-mist-2: #DFECEE;
  --z-line: #DCE8EA;
  --z-white: #fff;
  --z-accent: #FF5A3C;

  --z-radius: 14px;
  --z-shadow: 0 1px 2px rgba(15,49,56,.05), 0 8px 24px -12px rgba(15,49,56,.18);
  --z-shadow-hover: 0 2px 6px rgba(15,49,56,.07), 0 18px 40px -16px rgba(10,94,104,.30);
  --z-serif: 'Roboto Slab', Georgia, serif;
  --z-sans: 'Roboto', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;

  /* 顶部导航高度；分组栏吸顶时贴在导航下方 */
  --z-nav-h: 68px;
  --z-sticky-top: var(--z-nav-h);

  font-family: var(--z-sans);
  color: var(--z-ink-2);
  line-height: 1.65;
}

.ziko-blog * { box-sizing: border-box; }
.ziko-blog img { max-width: 100%; display: block; }
.ziko-blog a { text-decoration: none; }

.ziko-wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* body 上加了 .ziko-blog-page，防止全出血区块产生横向滚动 */
body.ziko-blog-page { overflow-x: hidden; }

/* 全出血通用写法：不受父容器 padding 影响（不用 left，避免与 sticky 冲突） */
.ziko-header,
.ziko-hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* --------------------------------------------------------------------------
   顶部导航 —— 归档页专用
   站点各页用 Elementor Canvas 模板，导航是页面里手画的；归档页进不了那套体系，
   主题头部只剩 logo + 站点名，所以这里补一条与主站一致的导航条。
   -------------------------------------------------------------------------- */

/* 隐藏主题自带的 branding 头部（没有导航，且与 hero 视觉重复） */
body.ziko-blog-page .site-header { display: none !important; }

.ziko-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--z-line);
}

.ziko-header-in {
  display: flex;
  align-items: center;
  gap: 30px;
  height: var(--z-nav-h);
}

.ziko-logo {
  font-family: var(--z-serif);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .14em;
  color: var(--z-ink);
  white-space: nowrap;
  margin-right: auto;
}
.ziko-logo span { color: var(--z-teal); }

.ziko-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 28px;
}
.ziko-nav-menu > li { position: relative; }
.ziko-nav-menu > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--z-muted);
  transition: color .18s;
}
.ziko-nav-menu > li > a:hover { color: var(--z-teal-dark); }
.ziko-nav-menu > li.current-menu-item > a { color: var(--z-ink); font-weight: 500; }

/* 有子菜单时的下拉箭头 */
.ziko-nav-menu > li.menu-item-has-children > a::after {
  content: '';
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: .5;
  flex: none;
}

/* 下拉子菜单 */
.ziko-nav-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: -14px;
  min-width: 216px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: #fff;
  border: 1px solid var(--z-line);
  border-radius: 12px;
  box-shadow: var(--z-shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.ziko-nav-menu > li:hover > .sub-menu,
.ziko-nav-menu > li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.ziko-nav-menu .sub-menu a {
  display: block;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--z-muted);
  transition: background .16s, color .16s;
}
.ziko-nav-menu .sub-menu a:hover {
  background: var(--z-mist);
  color: var(--z-teal-dark);
}

.ziko-nav-cta {
  background: var(--z-teal);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  flex: none;
  transition: background .18s, transform .18s;
}
.ziko-nav-cta:hover { background: var(--z-teal-dark); transform: translateY(-1px); }

/* 汉堡按钮（仅移动端出现） */
.ziko-burger {
  display: none;
  order: 3;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--z-line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  flex: none;
}
.ziko-burger span {
  display: block;
  position: relative;
  width: 16px;
  height: 1.5px;
  background: var(--z-ink);
}
.ziko-burger span::before,
.ziko-burger span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: var(--z-ink);
}
.ziko-burger span::before { top: -5px; }
.ziko-burger span::after { top: 5px; }

/* --------------------------------------------------------------------------
   HERO —— 浅色居中版，背景对齐首页淡青蓝渐变
   -------------------------------------------------------------------------- */
.ziko-hero {
  position: relative;
  min-height: clamp(300px, 28vw, 390px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--z-mist);
  border-bottom: 1px solid var(--z-line);
}

.ziko-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(75% 95% at 12% -10%, rgba(15,163,177,.22) 0%, rgba(15,163,177,0) 62%),
    radial-gradient(60% 85% at 100% 105%, rgba(12,135,148,.11) 0%, rgba(12,135,148,0) 62%),
    linear-gradient(135deg, #DFF0F3 0%, #E9F4F4 42%, #EFF5F1 72%, #F2F5EF 100%);
}

.ziko-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(12,135,148,.22) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: .42;
}

.ziko-hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(68% 105% at 50% 50%, rgba(255,255,255,.62) 0%, rgba(255,255,255,0) 72%);
}

.ziko-hero-in {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 64px 0 56px;
  text-align: center;
}

.ziko-hero h1 {
  font-family: var(--z-serif);
  font-weight: 600;
  color: var(--z-ink);
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.16;
  margin: 0 auto 16px;
  max-width: 20ch;
  letter-spacing: -.01em;
}

.ziko-hero p {
  color: var(--z-muted);
  font-size: clamp(14.5px, 1.2vw, 17px);
  font-weight: 300;
  max-width: 52ch;
  margin: 0 auto;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   话题分组（吸顶）
   -------------------------------------------------------------------------- */
.ziko-topics {
  position: sticky;
  top: var(--z-sticky-top);
  z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--z-line);
}

.ziko-topics-in {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
}

.ziko-topics-label {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--z-muted-2);
  white-space: nowrap;
}

.ziko-chips {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px 0;
}
.ziko-chips::-webkit-scrollbar { display: none; }

.ziko-chip {
  display: inline-block;
  border: 1px solid var(--z-line);
  background: var(--z-white);
  color: var(--z-muted);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.5;
  white-space: nowrap;
  transition: all .18s;
}
.ziko-chip:hover {
  border-color: var(--z-teal);
  color: var(--z-teal-dark);
  background: var(--z-mist);
}
.ziko-chip.is-active {
  background: var(--z-ink);
  border-color: var(--z-ink);
  color: #fff;
}
.ziko-chip i {
  font-style: normal;
  opacity: .55;
  margin-left: 6px;
  font-size: 12px;
}

/* --------------------------------------------------------------------------
   网格区
   -------------------------------------------------------------------------- */
.ziko-section { padding: 56px 0 24px; }

.ziko-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.ziko-section-head h2 {
  font-family: var(--z-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--z-ink);
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.ziko-section-head p {
  margin: 0;
  color: var(--z-muted);
  font-size: 15px;
  font-weight: 300;
}
.ziko-count {
  color: var(--z-muted-2);
  font-size: 13.5px;
  white-space: nowrap;
}

.ziko-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 26px;
}

/* --------------------------------------------------------------------------
   文章卡片
   -------------------------------------------------------------------------- */
.ziko-card {
  position: relative;
  background: var(--z-white);
  border: 1px solid var(--z-line);
  border-radius: var(--z-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.ziko-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--z-shadow-hover);
  border-color: var(--z-mist-2);
}

.ziko-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 绝对定位撑满，避免外层 <a> 尺寸收缩导致图片塌陷 */
.ziko-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.ziko-card:hover .ziko-card-media img { transform: scale(1.06); }

/* 无特色图时的渐变占位（按卡片序号轮换） */
.ziko-card-media.is-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0C8794, #0FA3B1);
}
.ziko-card-media.ph-1::before { background: linear-gradient(135deg, #0A5E68, #0C8794); }
.ziko-card-media.ph-2::before { background: linear-gradient(135deg, #12798A, #3FA8B4); }
.ziko-card-media.ph-3::before { background: linear-gradient(135deg, #0F3138, #40646C); }
.ziko-card-media.ph-4::before { background: linear-gradient(135deg, #0C8794, #0A5E68); }
.ziko-card-media.ph-5::before { background: linear-gradient(135deg, #1E8C97, #7B9BA2); }
.ziko-card-media.ph-6::before { background: linear-gradient(135deg, #0FA3B1, #5FBFC7); }
.ziko-card-media.ph-7::before { background: linear-gradient(135deg, #0A5E68, #1E8C97); }
.ziko-card-media.ph-8::before { background: linear-gradient(135deg, #0F3138, #0C8794); }

.ziko-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  background: rgba(255,255,255,.94);
  color: var(--z-teal-dark);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
}
.ziko-tag:hover { background: #fff; color: var(--z-teal-dark); }

.ziko-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.ziko-card-body h3 {
  font-family: var(--z-serif);
  font-size: 18.5px;
  font-weight: 600;
  color: var(--z-ink);
  margin: 0 0 9px;
  line-height: 1.35;
}
.ziko-card-body h3 a { color: inherit; }
.ziko-card-body h3 a:hover { color: var(--z-teal-dark); }
/* 摘要固定 3 行，卡片高度才能对齐 */
.ziko-card-body p,
.ziko-card-body .ziko-excerpt {
  margin: 0 0 16px;
  color: var(--z-muted);
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.62;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ziko-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--z-muted-2);
  padding-top: 14px;
  border-top: 1px solid var(--z-line);
}
.ziko-meta .ziko-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--z-muted-2);
  opacity: .6;
  flex: none;
}
.ziko-meta img.avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex: none;
}

/* 站点尚无文章时的兜底（0 篇时网格留白，不额外提示） */
.ziko-empty { padding: 40px 0 80px; }

/* --------------------------------------------------------------------------
   分页
   -------------------------------------------------------------------------- */
.ziko-pagination {
  padding: 44px 0 8px;
  text-align: center;
}
.ziko-pagination ul.page-numbers,
.ziko-pagination .page-numbers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}
.ziko-pagination li { display: inline-block; }
.ziko-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--z-line);
  background: var(--z-white);
  color: var(--z-ink);
  border-radius: 999px;
  font-size: 14.5px;
  line-height: 1;
  transition: all .18s;
}
.ziko-pagination a.page-numbers:hover {
  border-color: var(--z-teal);
  color: var(--z-teal-dark);
  box-shadow: var(--z-shadow);
}
.ziko-pagination .page-numbers.current {
  background: var(--z-ink);
  border-color: var(--z-ink);
  color: #fff;
}
.ziko-pagination .page-numbers.dots {
  border: 0;
  background: none;
  min-width: auto;
  padding: 0 4px;
}

/* --------------------------------------------------------------------------
   订阅条
   -------------------------------------------------------------------------- */
.ziko-subscribe {
  margin: 56px 0 72px;
  background: var(--z-mist);
  border-radius: 20px;
  padding: 52px 48px;
  display: flex;
  align-items: center;
  gap: 40px;
  justify-content: space-between;
}
.ziko-subscribe h3 {
  font-family: var(--z-serif);
  font-size: 25px;
  font-weight: 600;
  color: var(--z-ink);
  margin: 0 0 8px;
}
.ziko-subscribe p {
  margin: 0;
  color: var(--z-muted);
  font-size: 15px;
  font-weight: 300;
  max-width: 44ch;
}
.ziko-subscribe form {
  display: flex;
  gap: 10px;
  flex: none;
}
.ziko-subscribe input[type="email"] {
  border: 1px solid var(--z-line);
  background: #fff;
  border-radius: 999px;
  padding: 13px 20px;
  font-size: 14.5px;
  width: 250px;
  outline: 0;
  font-family: var(--z-sans);
  color: var(--z-ink-2);
}
.ziko-subscribe input[type="email"]:focus { border-color: var(--z-teal); }
.ziko-subscribe button {
  background: var(--z-teal);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 13px 28px;
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--z-sans);
  transition: background .18s;
}
.ziko-subscribe button:hover { background: var(--z-teal-dark); }

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */

/* 移动端导航：折叠成汉堡菜单 */
@media (max-width: 900px) {
  .ziko-blog { --z-nav-h: 64px; }

  .ziko-header-in { gap: 14px; }
  .ziko-logo { font-size: 17px; letter-spacing: .1em; }

  .ziko-burger { display: flex; }

  /* .ziko-header 是 sticky（已定位），这里相对它定位，正好贴在导航下方 */
  .ziko-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 10px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--z-line);
    box-shadow: 0 14px 26px -16px rgba(15,49,56,.28);
  }
  .ziko-nav-toggle:checked ~ .ziko-nav { display: block; }

  .ziko-nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .ziko-nav-menu > li > a {
    justify-content: space-between;
    padding: 13px 0;
    font-size: 15px;
    color: var(--z-ink);
    border-bottom: 1px solid var(--z-line);
  }

  /* 移动端子菜单直接铺开，不做悬浮 */
  .ziko-nav-menu .sub-menu {
    position: static;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0 0 6px 14px;
  }
  .ziko-nav-menu .sub-menu a { padding: 10px 0; }
  .ziko-nav-menu > li.menu-item-has-children > a::after { display: none; }

  .ziko-nav-cta { order: 2; padding: 9px 18px; font-size: 13.5px; }
}

@media (max-width: 1024px) {
  .ziko-grid { grid-template-columns: repeat(2, 1fr); }
  .ziko-subscribe {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 32px;
  }
}

@media (max-width: 720px) {
  .ziko-wrap { padding: 0 20px; }
  .ziko-grid { grid-template-columns: 1fr; }
  .ziko-hero-in { padding: 48px 0 40px; }
  .ziko-topics-in { gap: 10px; }
  .ziko-subscribe { margin-bottom: 48px; }
  .ziko-subscribe form { flex-direction: column; width: 100%; }
  .ziko-subscribe input[type="email"] { width: 100%; }
}