/*
Theme Name: PP Vintage 复古铭牌
Theme URI: https://example.com/pp-vintage
Author: PP Theme Studio
Author URI: https://example.com
Description: 面向 PP 酸洗槽厂家的复古铭牌风 WordPress 主题。墨绿搪瓷底配米黄与烫金,双线铭牌边框、四角铆钉、汉数字编号与厂史沿革,以"三条老规矩"讲述老厂手艺与信誉,适合强调资历、口碑与回头客生意的传统制造厂。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.7
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: pp-vintage
Tags: dark, one-column, custom-logo, custom-menu, featured-images, translation-ready
*/

:root {
  --enamel: #1f3a33;
  --enamel-2: #172c27;
  --enamel-lit: #2b4d44;
  --cream: #f0e6cd;
  --cream-dim: #cbc0a6;
  --gold: #c9a24a;
  --gold-lit: #e0bc69;
  --gold-soft: #d9b661;
  --container: 1120px;
  --font: "PingFang SC", "Microsoft YaHei", Georgia, Arial, sans-serif;
  --serif: Georgia, "Songti SC", "Times New Roman", serif;
  --mono: "SF Mono", Menlo, Consolas, monospace;
}

/* ===== Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.88;
  color: var(--cream);
  background: var(--enamel);
  background-image:
    radial-gradient(circle at 18% 22%, rgba(201,162,74,.045), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(201,162,74,.035), transparent 42%);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
svg { max-width: 100%; height: auto; }
.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}

.btn {
  display: inline-block; padding: 12px 28px; font-size: 15px; font-weight: 600;
  letter-spacing: .06em; border: 1.5px solid var(--gold); background: transparent;
  color: var(--gold-soft); cursor: pointer; transition: background .18s ease, color .18s ease;
}
.btn:hover { background: var(--gold); color: var(--enamel-2); }
.btn-main { background: var(--gold); border-color: var(--gold); color: var(--enamel-2); }
.btn-main:hover { background: var(--cream); border-color: var(--cream); color: var(--enamel-2); }

/* 烫金细线 */
.gold-rule {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold) 12%, var(--gold) 88%, transparent);
  opacity: .7;
}

/* ===== Topbar ===== */
.topbar { background: var(--enamel-2); font-size: 13px; color: var(--cream-dim); }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 8px 0; }
.tb-tel b { color: var(--gold-soft); font-family: var(--mono); margin-left: 4px; }

/* ===== Header ===== */
.site-header { background: var(--enamel-2); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 16px 0; }
.site-branding { display: flex; align-items: center; gap: 13px; margin-right: auto; }
.brand-mark {
  display: grid; place-items: center; width: 46px; height: 46px;
  border: 2px solid var(--gold); color: var(--gold-soft);
  font-family: var(--serif); font-weight: 700; font-size: 17px; letter-spacing: .04em;
}
.site-title { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: .04em; line-height: 1.3; color: var(--cream); }
.site-desc { font-size: 11px; color: var(--cream-dim); letter-spacing: .14em; }
.site-nav .menu { display: flex; gap: 28px; list-style: none; }
.site-nav a { font-size: 15px; color: var(--cream-dim); letter-spacing: .04em; padding: 4px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav .current-menu-item > a { color: var(--gold-soft); border-bottom-color: var(--gold); }
.nav-toggle-input, .nav-toggle-label { display: none; }

/* ===== Nameplate hero ===== */
.hero { padding: 56px 0 48px; }
.nameplate {
  position: relative; background: var(--enamel-2);
  border: 2px solid var(--gold); padding: 12px;
  box-shadow: inset 0 0 0 1px rgba(201,162,74,.35);
}
.plate-rivet {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, var(--gold-soft), #8a6c2c);
}
.plate-rivet.tl { top: 10px; left: 10px; }
.plate-rivet.tr { top: 10px; right: 10px; }
.plate-rivet.bl { bottom: 10px; left: 10px; }
.plate-rivet.br { bottom: 10px; right: 10px; }
.plate-inner {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 40px; align-items: center;
  border: 1px solid rgba(201,162,74,.45); padding: 42px 40px;
}
.plate-est {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: var(--gold-soft); border-bottom: 1px solid rgba(201,162,74,.4);
  padding-bottom: 8px; margin-bottom: 20px;
}
.hero h1 { font-family: var(--serif); font-size: clamp(31px, 4.8vw, 50px); line-height: 1.24; font-weight: 700; letter-spacing: .02em; }
.hero h1 em {
  font-style: normal; color: var(--gold);
  text-shadow: 0 1px 0 rgba(0,0,0,.35);
}
.hero-sub { margin-top: 18px; font-size: 15px; color: var(--cream-dim); max-width: 27em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 28px; }
.plate-foot {
  display: flex; flex-wrap: wrap; gap: 26px; justify-content: center;
  padding: 14px 20px 6px; font-family: var(--mono); font-size: 12px; color: var(--cream-dim);
  letter-spacing: .06em;
}

/* ===== Sections ===== */
.section { padding: 62px 0; }
.section-deep { background: var(--enamel-2); }
.sec-head { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 40px; }
.sec-orn { color: var(--gold); font-size: 13px; }
.sec-head h2 {
  font-family: var(--serif); font-size: 27px; font-weight: 700; letter-spacing: .1em; color: var(--cream);
  padding: 0 6px;
}
.sec-head-light h2 { color: var(--gold-soft); }

/* ===== Products ===== */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod {
  background: var(--enamel-2); border: 1px solid rgba(201,162,74,.35);
  padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color .18s ease, transform .18s ease;
}
.prod:hover { border-color: var(--gold); transform: translateY(-4px); }
.prod-plate { position: relative; background: rgba(0,0,0,.16); padding: 8px 6px 2px; }
.prod-mark {
  position: absolute; top: 10px; left: 12px; z-index: 2;
  display: grid; place-items: center; width: 28px; height: 28px;
  border: 1px solid var(--gold); color: var(--gold-soft);
  font-family: var(--serif); font-size: 14px;
}
.prod h3 { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: .04em; }
.prod h3 a:hover { color: var(--gold-soft); }
.prod p { font-size: 14px; color: var(--cream-dim); flex: 1; line-height: 1.85; }
.prod-link { font-size: 14px; color: var(--gold-soft); letter-spacing: .04em; }

/* ===== Rules ===== */
.rule-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.rule { text-align: center; border: 1px solid rgba(201,162,74,.3); padding: 30px 24px; }
.rule-num {
  display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 16px;
  border: 2px solid var(--gold); border-radius: 50%; color: var(--gold);
  font-family: var(--serif); font-size: 20px;
}
.rule h3 { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: .12em; margin-bottom: 10px; color: var(--cream); }
.rule p { font-size: 14px; color: var(--cream-dim); line-height: 1.95; text-align: left; }

/* ===== Chronicle ===== */
.chron { list-style: none; max-width: 760px; margin-inline: auto; }
.chron li {
  display: grid; grid-template-columns: 90px 1fr; gap: 22px; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid rgba(201,162,74,.22);
}
.chron b { font-family: var(--mono); font-size: 17px; color: var(--gold); }
.chron span { font-size: 15px; color: var(--cream-dim); }

/* ===== Chronicle list (news) ===== */
.chron-list { border-top: 1px solid rgba(201,162,74,.28); }
.chron-row {
  display: grid; grid-template-columns: 160px 1fr; gap: 20px; align-items: baseline;
  padding: 17px 6px; border-bottom: 1px solid rgba(201,162,74,.18); transition: background .18s ease, padding-left .18s ease;
}
.chron-row:hover { background: rgba(201,162,74,.06); padding-left: 14px; }
.chron-row time { font-family: var(--mono); font-size: 13px; color: var(--cream-dim); }
.chron-row h3 { font-size: 16px; font-weight: 500; }
.chron-row:hover h3 { color: var(--gold-soft); }

/* ===== CTA ===== */
.cta-plate {
  position: relative; margin: 58px 0; padding: 36px 38px;
  background: var(--enamel-2); border: 2px solid var(--gold);
  box-shadow: inset 0 0 0 1px rgba(201,162,74,.3);
  display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between;
}
.cta-plate h2 { font-family: var(--serif); font-size: 24px; font-weight: 700; letter-spacing: .06em; }
.cta-plate p { font-size: 14px; color: var(--cream-dim); margin-top: 8px; max-width: 42em; }
.cta-side { display: flex; align-items: center; gap: 20px; }
.cta-phone { font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--gold); }

/* ===== Page hero / inner ===== */
.page-hero { background: var(--enamel-2); padding: 40px 0; border-bottom: 2px solid var(--gold); }
.page-hero h1 { font-family: var(--serif); font-size: 29px; font-weight: 700; letter-spacing: .06em; }
.breadcrumbs { margin-top: 8px; font-size: 12px; color: var(--cream-dim); letter-spacing: .06em; }
.breadcrumbs a:hover { color: var(--gold-soft); }

.layout { display: grid; grid-template-columns: 1fr 290px; gap: 34px; padding: 46px 0 66px; align-items: start; }
.layout-full { padding: 46px 0 66px; }
.entry-card { background: var(--enamel-2); border: 1px solid rgba(201,162,74,.28); padding: 24px; margin-bottom: 18px; }
.entry-card:hover { border-color: var(--gold); }
.entry-card h2 { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: .04em; margin-bottom: 8px; }
.entry-card h2 a:hover { color: var(--gold-soft); }
.entry-meta { display: flex; gap: 14px; font-family: var(--mono); font-size: 12px; color: var(--cream-dim); }
.entry-meta a { color: var(--gold-soft); }
.entry-excerpt { margin-top: 10px; font-size: 15px; color: var(--cream-dim); }
.entry-thumb { margin-bottom: 16px; border: 1px solid rgba(201,162,74,.3); }
.single-header { border-bottom: 2px solid var(--gold); padding-bottom: 14px; margin-bottom: 22px; }
.single-header h1 { font-family: var(--serif); font-size: 28px; font-weight: 700; letter-spacing: .04em; margin-bottom: 8px; }
.entry-content { background: var(--enamel-2); border: 1px solid rgba(201,162,74,.28); padding: 26px; font-size: 16px; }
.entry-content > * + * { margin-top: 16px; }
.entry-content h2 { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--gold-soft); letter-spacing: .04em; }
.entry-content h3 { font-family: var(--serif); font-size: 19px; font-weight: 700; }
.entry-content ul, .entry-content ol { padding-left: 22px; }
.entry-content blockquote { border-left: 3px solid var(--gold); padding-left: 18px; color: var(--cream-dim); }
.entry-content code { font-family: var(--mono); background: rgba(0,0,0,.28); padding: 2px 6px; }
.entry-content a { color: var(--gold-soft); text-decoration: underline; }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 22px; font-size: 14px; }
.post-nav a:hover { color: var(--gold-soft); }
.pagination { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.pagination .page-numbers {
  display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px;
  border: 1px solid rgba(201,162,74,.35); font-family: var(--mono); font-size: 14px;
}
.pagination .current, .pagination .page-numbers:hover { background: var(--gold); color: var(--enamel-2); border-color: var(--gold); }

/* ===== Sidebar ===== */
.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 96px; }
.sidebar-cta { background: var(--enamel-2); border: 2px solid var(--gold); padding: 24px 20px; text-align: center; }
.sidebar-cta h3 { font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: .08em; }
.sidebar-cta p { font-size: 13px; color: var(--cream-dim); margin: 8px 0 12px; }
.sidebar-cta strong { display: block; font-family: var(--mono); font-size: 21px; color: var(--gold); margin-bottom: 14px; }
.sidebar-cta .btn { width: 100%; }
.widget { background: var(--enamel-2); border: 1px solid rgba(201,162,74,.28); padding: 20px; }
.widget-title { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: .08em; padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid rgba(201,162,74,.35); }
.widget ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.widget li a { font-size: 14px; color: var(--cream-dim); }
.widget li a:hover { color: var(--gold-soft); }

.search-form { display: flex; gap: 8px; }
.search-field {
  flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid rgba(201,162,74,.35);
  background: rgba(0,0,0,.22); color: var(--cream); font-family: inherit; font-size: 14px;
}
.search-field:focus { outline: none; border-color: var(--gold); }
.search-submit { padding: 10px 18px; border: 1px solid var(--gold); background: var(--gold); color: var(--enamel-2); font-weight: 600; cursor: pointer; }
.search-submit:hover { background: var(--cream); border-color: var(--cream); }

/* ===== Comments ===== */
.comments-area { margin-top: 28px; background: var(--enamel-2); border: 1px solid rgba(201,162,74,.28); padding: 24px; }
.comments-area h2, .comment-reply-title { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: .06em; margin-bottom: 14px; }
.comment-list { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.comment-list .comment-body { border-left: 2px solid rgba(201,162,74,.3); padding-left: 14px; font-size: 15px; color: var(--cream-dim); }
.comment-notes { font-size: 13px; color: var(--cream-dim); margin-bottom: 10px; }
.comment-form p { margin-bottom: 12px; }
.comment-form label { display: block; font-size: 13px; letter-spacing: .04em; margin-bottom: 5px; }
.comment-form input[type="text"], .comment-form input[type="email"],
.comment-form input[type="url"], .comment-form textarea {
  width: 100%; padding: 10px 12px; border: 1px solid rgba(201,162,74,.35);
  background: rgba(0,0,0,.22); color: var(--cream); font-family: inherit; font-size: 14px;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--gold); }
.comment-form .submit { padding: 12px 28px; border: 1px solid var(--gold); background: var(--gold); color: var(--enamel-2); font-weight: 700; cursor: pointer; }

/* ===== 404 ===== */
.error-page { text-align: center; padding: 84px 0; }
.error-code { font-family: var(--serif); font-size: 92px; font-weight: 700; color: var(--gold); line-height: 1; }
.error-page h1 { font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: .08em; margin: 12px 0 8px; }
.error-page p { color: var(--cream-dim); margin-bottom: 20px; }
.error-page .search-form { max-width: 420px; margin: 0 auto 20px; }

/* ===== Footer ===== */
.site-footer { background: var(--enamel-2); margin-top: 24px; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 34px; padding: 48px 0 34px; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.footer-brand strong { font-family: var(--serif); font-size: 18px; letter-spacing: .04em; }
.footer-col p { font-size: 14px; color: var(--cream-dim); }
.footer-col h3 { font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--gold-soft); letter-spacing: .08em; margin-bottom: 14px; }
.footer-col ul, .footer-menu { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 14px; color: var(--cream-dim); }
.footer-col a:hover { color: var(--gold-soft); }
.footer-contact li { font-size: 14px; display: flex; gap: 8px; color: var(--cream-dim); }
.footer-contact b { color: var(--cream); font-weight: 600; min-width: 34px; }
.footer-bottom { border-top: 1px solid rgba(201,162,74,.22); padding: 16px 0; font-size: 13px; color: var(--cream-dim); letter-spacing: .04em; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .plate-inner { grid-template-columns: 1fr; gap: 30px; padding: 34px 28px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .rule-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 780px) {
  .topbar-inner { flex-direction: column; gap: 2px; text-align: center; }
  .nav-toggle-label {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; padding: 0 8px; border: 1px solid var(--gold); cursor: pointer;
  }
  .nav-toggle-label span { display: block; height: 2px; background: var(--gold-soft); }
  .site-nav { display: none; order: 10; width: 100%; padding-top: 12px; margin-top: 12px; border-top: 1px solid rgba(201,162,74,.25); }
  .nav-toggle-input:checked ~ .site-nav { display: block; }
  .site-nav .menu { flex-direction: column; gap: 2px; }
  .site-nav a { display: block; padding: 10px 0; }
  .header-inner { flex-wrap: wrap; }
  .header-cta { display: none; }
  .plate-inner { padding: 26px 20px; }
  .plate-foot { gap: 12px; font-size: 11px; }
  .prod-grid { grid-template-columns: 1fr; }
  .chron li { grid-template-columns: 66px 1fr; gap: 14px; }
  .chron-row { grid-template-columns: 1fr; gap: 4px; }
  .cta-plate { padding: 28px 22px; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
}