/* 滦阳画院官网 · 墨韵宣纸视觉系统
   设计基线：宣纸底 / 墨色字 / 朱砂印 / 黛青块 / 金色点缀；中文衬线；克制留白 */

:root {
  --paper: #f7f3ea;
  --paper-2: #fdfbf6;
  --paper-3: #efe9dc;
  --ink: #1c1a17;
  --ink-2: #55504a;
  --ink-3: #8d867a;
  --cinnabar: #9e2f26;
  --dai: #35506b;
  --gold: #a8864e;
  --line: rgba(28, 26, 23, .12);
  --line-2: rgba(28, 26, 23, .06);
  --shadow: 0 2px 20px rgba(28, 26, 23, .08);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", "Times New Roman", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", var(--serif);
  --wrap: 1200px;
  --r: 2px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  background-image:
    radial-gradient(rgba(28, 26, 23, .022) 1px, transparent 1px),
    radial-gradient(rgba(28, 26, 23, .018) 1px, transparent 1px);
  background-size: 22px 22px, 22px 22px;
  background-position: 0 0, 11px 11px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; letter-spacing: .04em; margin: 0; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------------------------------------------------------- 顶部信息条 */
.topline {
  background: var(--ink);
  color: rgba(255, 255, 255, .78);
  font-size: 12.5px;
  letter-spacing: .08em;
}
.topline .wrap { display: flex; justify-content: space-between; gap: 16px; padding: 7px 24px; }
.topline .tl-right { color: rgba(255, 255, 255, .58); }

/* ---------------------------------------------------------- 门楣与导航 */
.masthead { position: relative; background: var(--paper-2); }
.mh-photo { height: clamp(130px, 17vw, 230px); overflow: hidden; position: relative; }
.mh-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%;
  filter: saturate(.92) contrast(1.03) sepia(.06); }
.mh-photo::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 46%;
  background: linear-gradient(to bottom, rgba(251, 248, 240, 0) 0%, rgba(251, 248, 240, .78) 55%, var(--paper-2) 100%);
}
.mh-brand { text-align: center; padding: 4px 0 22px; background: var(--paper-2); }
.mh-brand .seal {
  display: inline-block; vertical-align: middle; background: var(--cinnabar); color: #fff;
  font-family: var(--kai); font-size: 15px; line-height: 1.1; padding: 6px 5px; width: 34px;
  border-radius: 2px; letter-spacing: 0; margin-right: 12px;
  writing-mode: vertical-rl; height: 42px; text-align: center;
}
.mh-name { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: .22em; vertical-align: middle; }
.mh-sub { display: block; margin-top: 6px; color: var(--ink-3); font-size: 13px; letter-spacing: .34em; }

#siteHeader { position: sticky; top: 0; z-index: 50; background: rgba(251, 248, 240, .96);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.navbar { border-top: 1px solid var(--line-2); }
.nav-inner { display: flex; align-items: center; gap: 20px; min-height: 56px; }
.nav-brand { display: none; font-size: 18px; letter-spacing: .16em; align-items: center; gap: 8px; }
.nav-brand .seal.sm { width: 24px; height: 30px; font-size: 11px; padding: 4px 3px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 auto; }
.nav-links a {
  padding: 8px 15px; font-size: 15.5px; letter-spacing: .1em; color: var(--ink-2);
  border-bottom: 2px solid transparent; transition: .2s;
}
.nav-links a:hover { color: var(--cinnabar); }
.nav-links a.on { color: var(--ink); border-bottom-color: var(--cinnabar); font-weight: 700; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); font-size: 18px;
  padding: 4px 12px; cursor: pointer; color: var(--ink-2); }
#siteHeader.is-stuck .nav-brand { display: flex; }
#siteHeader.is-stuck .nav-links { margin-left: auto; margin-right: 0; }

/* ---------------------------------------------------------- 首屏 */
.hero { padding: clamp(36px, 5vw, 72px) 0 clamp(30px, 4vw, 56px); background:
  radial-gradient(1200px 420px at 78% 10%, rgba(168, 134, 78, .09), transparent 60%),
  linear-gradient(180deg, var(--paper-2), var(--paper)); }
.hero-inner { display: grid; grid-template-columns: 1fr minmax(300px, 460px); gap: clamp(28px, 4vw, 64px); align-items: center; }
.hero-sub { display: block; color: var(--cinnabar); font-size: 14px; letter-spacing: .5em; margin-bottom: 14px; }
.hero-text h1 { font-size: clamp(36px, 4.6vw, 54px); letter-spacing: .18em; }
.hero-seal {
  display: inline-block; margin: 18px 0 14px; background: var(--cinnabar); color: #fff;
  writing-mode: vertical-rl; font-family: var(--kai); font-size: 17px; padding: 12px 8px;
  height: 78px; letter-spacing: .1em; border-radius: 2px;
}
.hero-text p { color: var(--ink-2); max-width: 34em; }
.hero-btns { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 30px; background: var(--cinnabar); color: #fff;
  letter-spacing: .16em; border: 1px solid var(--cinnabar); border-radius: var(--r); transition: .2s;
  font-size: 15px;
}
.btn:hover { background: #87261e; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--cinnabar); color: var(--cinnabar); }

/* 装裱画框 */
.mount { position: relative; background: #fff; padding: 16px; box-shadow: var(--shadow);
  border: 1px solid var(--line-2); }
.mount::before { content: ""; position: absolute; inset: 0; border: 8px solid var(--paper-3); pointer-events: none; }
.mount img { width: 100%; }
.mount-seal {
  position: absolute; right: 22px; top: 22px; background: var(--cinnabar); color: #fff;
  writing-mode: vertical-rl; font-family: var(--kai); font-size: 13px; padding: 8px 5px; height: 52px;
  border-radius: 2px; z-index: 2;
}
.hero-art .mount { transform: rotate(-.4deg); }

/* ---------------------------------------------------------- 章节 */
.sec { padding: clamp(38px, 5vw, 68px) 0; }
.sec.alt { background: var(--paper-2); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.sec.dark { background: var(--dai); color: #fff; }
.sec.dark .sec-title h2, .sec.dark .sec-en { color: #fff; }
.sec.dark .sec-title h2::after { background: rgba(255, 255, 255, .5); }
.sec.dark .wc-memo { color: rgba(255, 255, 255, .62); }
.sec.dark .work-card { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); }
.sec-title { position: relative; margin-bottom: 30px; display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.sec-title h2 { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: .16em; }
.sec-title h2::after { content: ""; display: block; width: 46px; height: 2px; background: var(--cinnabar); margin-top: 10px; }
.sec-en { color: var(--ink-3); font-size: 12.5px; letter-spacing: .22em; text-transform: uppercase; }
.sec-more { margin-left: auto; color: var(--ink-3); font-size: 14px; letter-spacing: .1em; }
.sec-more:hover { color: var(--cinnabar); }

/* 简介 + 数据 */
.intro-grid { display: grid; grid-template-columns: 1fr auto; gap: clamp(24px, 4vw, 60px); align-items: start; }
.intro-text p { color: var(--ink-2); font-size: 16.5px; }
.link-more { color: var(--cinnabar); letter-spacing: .1em; font-size: 15px; }
.stats { list-style: none; display: flex; gap: clamp(20px, 3vw, 44px); margin: 0; padding: 0; }
.stats li { text-align: center; }
.stats b { display: block; font-size: clamp(26px, 3vw, 36px); color: var(--cinnabar); letter-spacing: .04em; }
.stats span { display: block; color: var(--ink-3); font-size: 13px; letter-spacing: .16em; margin-top: 2px; }

/* ---------------------------------------------------------- 文章列表 */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { border-bottom: 1px solid var(--line-2); }
.news-list li a { display: grid; grid-template-columns: 104px minmax(0, 1fr) auto; gap: 20px;
  align-items: center; padding: 18px 4px; transition: .2s; }
.news-list li a:hover { background: rgba(158, 47, 38, .04); padding-left: 10px; }
.news-list li a:hover b { color: var(--cinnabar); }
.db { display: block; text-align: center; line-height: 1.2; }
.db em { display: block; font-style: normal; font-size: 12.5px; color: var(--ink-3); letter-spacing: .1em; }
.db b { display: block; font-size: 19px; letter-spacing: .06em; }
.ni-main { min-width: 0; }
.ni-main b { display: block; font-weight: 700; font-size: 17px; margin-bottom: 3px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ni-main i { display: block; font-style: normal; color: var(--ink-3); font-size: 14px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ni-cat { color: var(--cinnabar); font-size: 12.5px; letter-spacing: .12em; white-space: nowrap;
  border: 1px solid rgba(158, 47, 38, .3); padding: 2px 9px; border-radius: 2px; }
.empty { color: var(--ink-3); padding: 24px 0; }

/* ---------------------------------------------------------- 作品网格 */
.work-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 26px); }
.work-grid.four { grid-template-columns: repeat(4, 1fr); }
.work-card { background: #fff; border: 1px solid var(--line-2); padding: 12px 12px 16px;
  box-shadow: 0 1px 8px rgba(28, 26, 23, .05); transition: .25s; }
.work-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(28, 26, 23, .12); }
.wc-frame { display: block; position: relative; background: var(--paper-3); overflow: hidden; }
.wc-frame::after { content: ""; position: absolute; inset: 0; border: 5px solid rgba(255, 255, 255, .8); }
.wc-frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.wc-title { display: block; margin-top: 12px; font-size: 15.5px; letter-spacing: .06em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wc-memo { display: block; color: var(--ink-3); font-size: 13px; margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------------------------------------------------- 画家 */
.artist-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 24px); }
.artist-card { text-align: center; padding: 26px 14px; background: #fff; border: 1px solid var(--line-2); transition: .25s; }
.artist-card:hover { border-color: rgba(158, 47, 38, .35); transform: translateY(-3px); }
.ac-av { display: block; width: 92px; height: 92px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--paper-3); border: 2px solid var(--paper); overflow: hidden; }
.ac-av img { width: 100%; height: 100%; object-fit: cover; }
.ac-av i { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%;
  font-style: normal; font-family: var(--kai); font-size: 34px; color: var(--cinnabar); }
.ac-name { display: block; font-size: 18px; letter-spacing: .16em; }
.ac-meta { display: block; color: var(--ink-3); font-size: 12.5px; margin-top: 4px; letter-spacing: .1em; }

/* ---------------------------------------------------------- 分页/面包屑/标题带 */
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.pager a { padding: 7px 14px; border: 1px solid var(--line); color: var(--ink-2); font-size: 14px; }
.pager a.on { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }
.crumb { background: var(--paper-2); border-bottom: 1px solid var(--line-2); font-size: 13.5px; }
.crumb .wrap { padding: 11px 24px; color: var(--ink-3); }
.crumb a:hover { color: var(--cinnabar); }
.crumb .sep { margin: 0 8px; color: var(--line); }
.page-band { background: var(--ink); color: #fff; padding: clamp(30px, 4vw, 48px) 0; text-align: center; }
.page-band h1 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: .22em; }
.page-band span { display: block; margin-top: 8px; color: rgba(255, 255, 255, .5);
  font-size: 12.5px; letter-spacing: .3em; text-transform: uppercase; }
.tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.tabs a { padding: 6px 16px; border: 1px solid var(--line); font-size: 14px; color: var(--ink-2); border-radius: 999px; }
.tabs a.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------------------------------------------------------- 文章详情 */
.article { padding: clamp(34px, 5vw, 60px) 24px; max-width: 820px; }
.article h1 { font-size: clamp(24px, 3vw, 34px); letter-spacing: .1em; line-height: 1.45; }
.art-meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--ink-3); font-size: 13px;
  margin: 14px 0 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.art-summary { background: var(--paper-2); border-left: 3px solid var(--cinnabar);
  padding: 14px 18px; color: var(--ink-2); margin-bottom: 26px; font-size: 15.5px; }
.art-body { font-size: 17px; line-height: 2.05; color: #2a2724; }
.art-body img { margin: 18px auto; border: 1px solid var(--line-2); background: #fff; padding: 6px; }
.art-body p { margin-bottom: 1.1em; }
.art-nav { display: flex; justify-content: space-between; gap: 18px; margin-top: 40px;
  padding-top: 20px; border-top: 1px solid var(--line-2); font-size: 14.5px; color: var(--ink-2); }
.art-nav a:hover { color: var(--cinnabar); }

/* ---------------------------------------------------------- 作品详情 */
.work-detail { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: clamp(26px, 4vw, 56px); padding: clamp(30px, 4vw, 56px) 24px; align-items: start; }
.wd-stage { background: #fff; padding: 14px; border: 1px solid var(--line-2); box-shadow: var(--shadow); }
.wd-stage img { width: 100%; }
.wd-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.wd-thumbs img { width: 74px; height: 74px; object-fit: cover; cursor: pointer;
  border: 2px solid transparent; opacity: .7; }
.wd-thumbs img.on, .wd-thumbs img:hover { border-color: var(--cinnabar); opacity: 1; }
.wd-side h1 { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: .12em; }
.wd-memo { color: var(--ink-2); margin: 10px 0 20px; }
.wd-meta { display: grid; grid-template-columns: 62px 1fr; gap: 8px 14px; margin: 0 0 24px;
  padding: 18px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); font-size: 15px; }
.wd-meta dt { color: var(--ink-3); letter-spacing: .1em; }
.wd-meta dd { margin: 0; }
.wd-meta dd a { color: var(--cinnabar); }
.wd-body { color: var(--ink-2); margin-bottom: 22px; }

/* ---------------------------------------------------------- 画家主页 */
.artist-page { padding: clamp(30px, 4vw, 56px) 24px; }
.ap-head { display: grid; grid-template-columns: 130px 1fr; gap: 28px; align-items: start; }
.ap-av { width: 130px; height: 130px; border-radius: 50%; overflow: hidden; background: var(--paper-3); }
.ap-av img { width: 100%; height: 100%; object-fit: cover; }
.ap-av i { display: flex; align-items: center; justify-content: center; height: 100%;
  font-style: normal; font-family: var(--kai); font-size: 46px; color: var(--cinnabar); }
.ap-info h1 { font-size: clamp(24px, 3vw, 32px); letter-spacing: .18em; }
.ap-year { color: var(--ink-3); font-size: 14px; margin: 6px 0 12px; }
.ap-bio { color: var(--ink-2); }
.ap-resume { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line-2); }
.ap-resume h3 { font-size: 18px; letter-spacing: .16em; margin-bottom: 12px; }

/* ---------------------------------------------------------- 单页内容 */
.page-content { max-width: 900px; font-size: 16.5px; line-height: 2; color: #2a2724; }
.page-content h2 { font-size: 20px; margin: 1.6em 0 .6em; }
.page-content h3 { font-size: 17.5px; margin: 1.4em 0 .5em; }
.page-content img { margin: 14px 0; border: 1px solid var(--line-2); background: #fff; padding: 6px; }
.page-content ul { padding-left: 1.2em; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px); margin-top: 34px; }
.cg-info p { color: var(--ink-2); }
.cg-form { background: #fff; border: 1px solid var(--line-2); padding: 24px; }
.cg-form h3 { font-size: 18px; letter-spacing: .16em; margin-bottom: 16px; }
.cg-form input, .cg-form textarea {
  width: 100%; padding: 10px 12px; margin-bottom: 12px; border: 1px solid var(--line);
  background: var(--paper-2); font-family: var(--serif); font-size: 15px; color: var(--ink);
}
.cg-form input:focus, .cg-form textarea:focus { outline: none; border-color: var(--cinnabar); }
.tip { padding: 10px 14px; margin-bottom: 14px; font-size: 14.5px; }
.tip.ok { background: rgba(53, 80, 107, .08); color: var(--dai); border-left: 3px solid var(--dai); }
.tip.bad { background: rgba(158, 47, 38, .07); color: var(--cinnabar); border-left: 3px solid var(--cinnabar); }
.link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.link-grid a { display: block; padding: 14px 16px; background: #fff; border: 1px solid var(--line-2);
  text-align: center; letter-spacing: .08em; transition: .2s; }
.link-grid a:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.search-form { display: flex; gap: 10px; margin-bottom: 26px; }
.search-form input { flex: 1; padding: 12px 16px; border: 1px solid var(--line); background: #fff;
  font-family: var(--serif); font-size: 15px; }
.search-count { color: var(--ink-3); margin-bottom: 18px; }

/* ---------------------------------------------------------- 经营项目 */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 32px); }
.biz-item { background: #fff; border: 1px solid var(--line-2); padding: 30px 26px; position: relative; }
.biz-item .num { font-family: var(--kai); font-size: 34px; color: var(--gold); display: block; margin-bottom: 8px; }
.biz-item h3 { font-size: 19px; letter-spacing: .14em; margin-bottom: 10px; }
.biz-item p { color: var(--ink-2); font-size: 15px; margin: 0; }

/* ---------------------------------------------------------- 页脚 */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .7); margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: clamp(24px, 3vw, 48px);
  padding: clamp(34px, 4vw, 52px) 24px; }
.foot-col h4 { color: #fff; font-size: 16px; letter-spacing: .18em; margin-bottom: 14px; }
.foot-col p { font-size: 14px; line-height: 1.95; color: rgba(255, 255, 255, .58); }
.foot-col a:hover { color: #fff; text-decoration: underline; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 24px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 12.5px; color: rgba(255, 255, 255, .45); }

.empty-page { padding: 90px 24px; text-align: center; }
.empty-page h1 { font-size: 64px; color: var(--ink-3); }

/* ---------------------------------------------------------- 响应式 */
@media (max-width: 1100px) {
  .work-grid, .work-grid.four { grid-template-columns: repeat(3, 1fr); }
  .artist-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 460px; }
  .intro-grid { grid-template-columns: 1fr; }
  .stats { justify-content: flex-start; }
  .work-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-links { display: none; }
  body.nav-open .nav-links {
    display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper-2); border-bottom: 1px solid var(--line); padding: 8px 24px 16px;
    box-shadow: var(--shadow);
  }
  body.nav-open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line-2); }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 16px; }
  .work-grid, .work-grid.four, .artist-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list li a { grid-template-columns: 74px minmax(0, 1fr); }
  .ni-cat { display: none; }
  .ni-main i { display: none; }
  .foot-grid { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr 1fr; }
  .mh-name { letter-spacing: .14em; }
  .topline .tl-right { display: none; }
  .ap-head { grid-template-columns: 1fr; }
  .ap-av { margin: 0 auto; }
}

@media print {
  .topline, #siteHeader, .site-footer, .sec-more, .pager { display: none !important; }
  body { background: #fff; }
}

/* 图片灯箱 */
.lightbox { position: fixed; inset: 0; background: rgba(20,18,16,.92); z-index: 999;
  display: flex; align-items: center; justify-content: center; cursor: zoom-out; padding: 4vh 4vw; }
.lightbox img { max-width: 100%; max-height: 92vh; object-fit: contain; background: #fff; }