/*
Theme Name: Cloudside
Theme URI: https://cloudsidetrade.com
Author: Walker
Description: 轻量外贸 B2B 主题。无页面构建器依赖，原生区块驱动，聚焦速度与专业形象。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cloudside
*/

/* ============================================================
   1. 设计变量
   ============================================================ */
:root {
  --cs-navy: #0b3d68;
  --cs-navy-dark: #072944;
  --cs-navy-soft: #14507f;
  --cs-accent: #e8712a;
  --cs-accent-dark: #cd5d18;
  --cs-ink: #16202c;
  --cs-body: #44506a;
  --cs-muted: #6b7789;
  --cs-line: #e2e8f0;
  --cs-soft: #f5f8fb;
  --cs-white: #ffffff;
  --cs-max: 1180px;
  --cs-radius: 10px;
  --cs-shadow: 0 1px 2px rgba(16, 32, 48, .05), 0 8px 24px rgba(16, 32, 48, .06);
  --cs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
             "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

/* ============================================================
   2. 基础
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--cs-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--cs-body);
  background: var(--cs-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--cs-navy-soft); text-decoration: none; }
a:hover { color: var(--cs-accent); }

h1, h2, h3, h4, h5 {
  color: var(--cs-ink);
  line-height: 1.25;
  margin: 0 0 .6em;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p  { margin: 0 0 1.1em; }

.cs-wrap { max-width: var(--cs-max); margin: 0 auto; padding: 0 24px; }

.cs-skip {
  position: absolute; left: -9999px; top: 0;
}
.cs-skip:focus {
  left: 12px; top: 12px; z-index: 999;
  background: var(--cs-white); padding: 10px 16px; border-radius: 6px;
}

/* ============================================================
   3. 顶部导航
   ============================================================ */
.cs-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--cs-white);
  border-bottom: 1px solid var(--cs-line);
}
.cs-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 72px;
}
.cs-brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.cs-brand__name {
  font-size: 1.25rem; font-weight: 700; color: var(--cs-navy); letter-spacing: -0.02em;
}
.cs-brand__tag { font-size: .72rem; color: var(--cs-muted); letter-spacing: .02em; }
.custom-logo { max-height: 46px; width: auto; }

.cs-nav { display: flex; align-items: center; gap: 28px; }
.cs-nav__list {
  display: flex; align-items: center; gap: 26px;
  list-style: none; margin: 0; padding: 0;
}
.cs-nav__list li { position: relative; }
.cs-nav__list a {
  color: var(--cs-ink); font-size: .94rem; font-weight: 500;
  padding: 6px 0; display: inline-block;
}
.cs-nav__list a:hover { color: var(--cs-accent); }
.cs-nav__list .current-menu-item > a,
.cs-nav__list .current_page_item > a { color: var(--cs-accent); }

/* 下拉子菜单 */
.cs-nav__list .sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--cs-white); border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius); box-shadow: var(--cs-shadow);
  list-style: none; margin: 8px 0 0; padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.cs-nav__list li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.cs-nav__list .sub-menu a { display: block; padding: 8px 12px; border-radius: 6px; }
.cs-nav__list .sub-menu a:hover { background: var(--cs-soft); }

.cs-nav-toggle {
  display: none; background: none; border: 1px solid var(--cs-line);
  border-radius: 8px; padding: 8px 14px; font: inherit; font-size: .9rem;
  color: var(--cs-ink); cursor: pointer;
}

/* ============================================================
   4. 按钮
   ============================================================ */
.cs-btn, .wp-block-button__link {
  display: inline-block;
  background: var(--cs-accent);
  color: #fff !important;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.2;
  border: 0;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}
.cs-btn:hover, .wp-block-button__link:hover {
  background: var(--cs-accent-dark); color: #fff !important; transform: translateY(-1px);
}
.cs-btn--sm { padding: 10px 20px; font-size: .88rem; }
.cs-btn--ghost {
  background: transparent; color: #fff !important;
  border: 1px solid rgba(255, 255, 255, .55);
}
.cs-btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.cs-btn--outline {
  background: transparent; color: var(--cs-navy) !important;
  border: 1px solid var(--cs-line);
}
.cs-btn--outline:hover { background: var(--cs-soft); color: var(--cs-navy) !important; }

.wp-block-button.is-style-outline .wp-block-button__link {
  background: transparent !important;
  color: var(--cs-navy) !important;
  border: 1px solid var(--cs-line);
}

/* ============================================================
   5. 内容容器与分区
   ============================================================ */
.cs-main { display: block; }

.cs-content > *:not(.cs-band),
.cs-front  > *:not(.cs-band) {
  max-width: var(--cs-max);
  margin-left: auto; margin-right: auto;
  padding-left: 24px; padding-right: 24px;
}

/* 全宽色带 */
.cs-band {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 76px 0;
}
.cs-band__inner {
  max-width: var(--cs-max);
  margin: 0 auto;
  padding: 0 24px;
}
.cs-band--soft { background: var(--cs-soft); }
.cs-band--navy { background: var(--cs-navy); }
.cs-band--navy h2, .cs-band--navy h3, .cs-band--navy h4 { color: #fff; }
.cs-band--navy p, .cs-band--navy li { color: rgba(255, 255, 255, .82); }
.cs-band--tight { padding: 52px 0; }

/* 首屏 */
.cs-hero {
  background: linear-gradient(135deg, var(--cs-navy) 0%, var(--cs-navy-dark) 100%);
  padding: 92px 0 88px;
  position: relative;
}
.cs-hero h1 { color: #fff; font-size: 2.9rem; max-width: 15em; }
.cs-hero p { color: rgba(255, 255, 255, .85); font-size: 1.1rem; max-width: 42em; }
.cs-hero__eyebrow {
  display: inline-block;
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: #ffc79a; margin-bottom: 18px; font-weight: 600;
}
.cs-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ============================================================
   6. 通用组件
   ============================================================ */
.cs-eyebrow {
  display: block; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cs-accent); margin-bottom: 10px;
}
.cs-lead { font-size: 1.08rem; color: var(--cs-muted); max-width: 48em; }
.cs-section-head { margin-bottom: 44px; max-width: 46em; }
.cs-section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.cs-card {
  background: var(--cs-white);
  border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius);
  padding: 30px 26px;
  height: 100%;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.cs-card:hover {
  box-shadow: var(--cs-shadow); transform: translateY(-3px); border-color: #d3dae4;
}
.cs-card h3 { margin-bottom: .5em; font-size: 1.18rem; }
.cs-card p:last-child { margin-bottom: 0; }
.cs-card__num {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 9px;
  background: rgba(232, 113, 42, .1); color: var(--cs-accent);
  font-weight: 700; font-size: 1rem; margin-bottom: 16px;
}
.cs-card--link a { text-decoration: none; }

.cs-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cs-stat { text-align: center; }
.cs-stat__num {
  font-size: 2.1rem; font-weight: 700; color: var(--cs-navy);
  line-height: 1.1; letter-spacing: -0.02em;
}
.cs-stat__label { font-size: .88rem; color: var(--cs-muted); }

.cs-check { list-style: none; margin: 0; padding: 0; }
.cs-check li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.cs-check li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 16px; height: 9px;
  border-left: 2px solid var(--cs-accent);
  border-bottom: 2px solid var(--cs-accent);
  transform: rotate(-45deg);
}

.cs-cta {
  background: var(--cs-accent);
  padding: 62px 0;
  text-align: center;
}
.cs-cta h2 { color: #fff; margin-bottom: .4em; }
.cs-cta p { color: rgba(255, 255, 255, .92); margin-bottom: 26px; }
.cs-cta .cs-btn { background: #fff; color: var(--cs-accent) !important; }
.cs-cta .cs-btn:hover { background: #fdf1e7; color: var(--cs-accent-dark) !important; }

/* 占位提示（正式上线前可删除） */
.cs-todo {
  background: #fff8ed; border: 1px dashed #e8b878; border-radius: var(--cs-radius);
  padding: 16px 20px; font-size: .9rem; color: #8a5a12;
}
.cs-todo strong { color: #6d4510; }

/* 图片占位块 */
.cs-ph {
  background: var(--cs-soft);
  border: 1px dashed #cfd8e3;
  border-radius: var(--cs-radius);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  margin: 0;
}
.cs-ph p { color: var(--cs-muted); font-size: .92rem; margin: 0; }

/* 深色底上的描边按钮 */
.cs-hero .wp-block-button.is-style-outline .wp-block-button__link,
.cs-band--navy .wp-block-button.is-style-outline .wp-block-button__link {
  background: transparent !important;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, .55);
}
.cs-hero .wp-block-button.is-style-outline .wp-block-button__link:hover,
.cs-band--navy .wp-block-button.is-style-outline .wp-block-button__link:hover {
  background: rgba(255, 255, 255, .12) !important;
  border-color: #fff;
}

/* 深色底上的正文与强调色 */
.cs-hero .cs-hero__eyebrow,
.cs-band--navy .cs-eyebrow { color: #ffc79a; }
.cs-band--navy .cs-card { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.cs-band--navy .cs-card h3 { color: #fff; }

/* 分页 */
.cs-pagination { margin-top: 34px; }
.cs-pagination .page-numbers {
  display: inline-block; padding: 7px 13px; margin-right: 6px;
  border: 1px solid var(--cs-line); border-radius: 6px; font-size: .9rem;
}
.cs-pagination .page-numbers.current { background: var(--cs-navy); border-color: var(--cs-navy); color: #fff; }

/* ============================================================
   7. 页面 / 文章
   ============================================================ */
.cs-page-head {
  background: var(--cs-soft);
  border-bottom: 1px solid var(--cs-line);
  padding: 56px 0 44px;
}
.cs-page-head h1 { margin: 0; font-size: 2.2rem; }
.cs-page-head p { margin: 10px 0 0; color: var(--cs-muted); max-width: 46em; }

.cs-article { padding: 56px 0 72px; }
.cs-article--front { padding: 0; }

.cs-entry-list { display: grid; gap: 26px; }
.cs-entry {
  border-bottom: 1px solid var(--cs-line);
  padding-bottom: 26px;
}
.cs-entry:last-child { border-bottom: 0; }
.cs-entry h2 { font-size: 1.4rem; margin-bottom: .3em; }
.cs-entry__meta { font-size: .85rem; color: var(--cs-muted); margin-bottom: .6em; }

/* ============================================================
   8. 页脚
   ============================================================ */
.cs-footer {
  background: var(--cs-navy-dark);
  color: rgba(255, 255, 255, .72);
  padding: 62px 0 26px;
  font-size: .92rem;
}
.cs-footer__cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.cs-footer__brand {
  color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px;
}
.cs-footer__desc { max-width: 30em; }
.cs-footer h4 {
  color: #fff; font-size: .8rem; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 16px;
}
.cs-footer__list { list-style: none; margin: 0; padding: 0; }
.cs-footer__list li { margin-bottom: 9px; }
.cs-footer__list a { color: rgba(255, 255, 255, .72); }
.cs-footer__list a:hover { color: var(--cs-accent); }
.cs-footer__bottom {
  padding-top: 22px; font-size: .85rem; color: rgba(255, 255, 255, .5);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ============================================================
   9. 原生区块样式微调
   ============================================================ */
.wp-block-columns { gap: 28px; margin-bottom: 0; }
.wp-block-column > *:last-child { margin-bottom: 0; }
.wp-block-heading { margin-top: 0; }
.wp-block-image img { border-radius: var(--cs-radius); }
.wp-block-image figcaption {
  font-size: .85rem; color: var(--cs-muted); text-align: center; margin-top: 8px;
}
.wp-block-separator { border: 0; border-top: 1px solid var(--cs-line); margin: 40px 0; }
.wp-block-list { padding-left: 1.2em; }
.wp-block-list li { margin-bottom: .4em; }
.wp-block-quote {
  border-left: 3px solid var(--cs-accent);
  padding: 4px 0 4px 20px; margin: 26px 0; font-style: normal;
}
.wp-block-table table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.wp-block-table th, .wp-block-table td {
  border: 1px solid var(--cs-line); padding: 11px 14px; text-align: left;
}
.wp-block-table th { background: var(--cs-soft); font-weight: 600; color: var(--cs-ink); }
.wp-block-group.has-background { border-radius: var(--cs-radius); }

/* ============================================================
   10. 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .cs-stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .cs-footer__cols { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 860px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .cs-hero { padding: 64px 0 60px; }
  .cs-hero h1 { font-size: 2.1rem; }
  .cs-band { padding: 56px 0; }
  .cs-nav-toggle { display: block; }
  .cs-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cs-white); border-bottom: 1px solid var(--cs-line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 16px 24px 22px;
    display: none;
  }
  .cs-nav.is-open { display: flex; }
  .cs-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .cs-nav__list li { border-bottom: 1px solid var(--cs-line); }
  .cs-nav__list a { padding: 13px 0; display: block; }
  .cs-nav__list .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; margin: 0 0 8px; padding: 0 0 0 14px;
  }
  .cs-nav .cs-btn { margin-top: 14px; text-align: center; }
  .cs-footer__cols { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .cs-stats { grid-template-columns: 1fr; }
  .wp-block-columns { flex-wrap: wrap !important; }
  .wp-block-column { flex-basis: 100% !important; }
  .cs-hero__actions .cs-btn { width: 100%; text-align: center; }
}

/* ===== 产品线页（画册上线 2026-09） ===== */
.cs-card--media { padding: 0; overflow: hidden; }
.cs-card--media img { width: 100%; height: 210px; object-fit: cover; }
.cs-card--media .cs-card__body { padding: 20px 22px 22px; }
.cs-card--media .cs-card__num { margin-bottom: .4em; }
.cs-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 26px 0; }
.cs-gallery img { width: 100%; height: 190px; object-fit: cover; border-radius: var(--cs-radius); }


/* ===== 内部占位（图片位、待办提示）：仅登录管理员可见，访客看不到 ===== */
body:not(.admin-bar) .cs-ph,
body:not(.admin-bar) .cs-todo { display: none !important; }