/* ============================================================
   云上丹青 · 刁蓬国画数字艺术馆
   设计：宣纸底色 · 墨色主体 · 朱砂点缀 · 宋楷字体
   ============================================================ */
:root {
  --paper: #f6f2e8;          /* 宣纸 */
  --paper-2: #efe9da;        /* 深宣纸 */
  --ink: #2e2a25;            /* 墨 */
  --ink-2: #55504a;          /* 淡墨 */
  --ink-3: #8a8378;          /* 灰墨 */
  --cinnabar: #a63b32;       /* 朱砂 */
  --cinnabar-2: #c05246;
  --azure: #37503f;          /* 黛青 */
  --gold: #a98a4e;           /* 秋香金 */
  --line: #d9d0bd;           /* 界线 */
  --shadow: 0 10px 40px rgba(60, 50, 30, .12);
  --serif: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", "楷体", var(--serif);
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* 纸张氛围光 */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    radial-gradient(ellipse 1200px 800px at 20% -10%, rgba(169, 138, 78, .06), transparent 60%),
    radial-gradient(ellipse 1000px 700px at 90% 110%, rgba(55, 80, 63, .05), transparent 60%);
  pointer-events: none; z-index: 0;
}

/* ================= 顶部导航 ================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(246, 242, 232, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(60, 50, 30, .10); }
.header-inner {
  max-width: 1360px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-seal {
  width: 48px; height: 48px; border-radius: 8px; overflow: hidden; flex: 0 0 auto;
  box-shadow: 0 3px 10px rgba(120, 60, 40, .28); background: #f4ede0;
  border: 1px solid rgba(166, 59, 50, .18);
}
.brand-seal img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-family: var(--kai); font-size: 24px; letter-spacing: 4px; font-weight: 700; }
.brand-sub { font-size: 12px; color: var(--ink-3); letter-spacing: 3px; }

.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-item { position: relative; }
.nav-item > a {
  display: block; padding: 10px 20px; font-size: 17px; letter-spacing: 2px;
  color: var(--ink-2); transition: color .25s; font-family: var(--kai);
}
.nav-item > a:hover, .nav-item.active > a { color: var(--cinnabar); }
.nav-item > a::after {
  content: ""; display: block; height: 2px; width: 0; margin: 2px auto 0;
  background: var(--cinnabar); transition: width .3s;
}
.nav-item.active > a::after, .nav-item > a:hover::after { width: 60%; }

.sub-menu {
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%) translateY(8px);
  background: #fffdf7; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 8px; min-width: 168px;
  opacity: 0; visibility: hidden; transition: all .25s; z-index: 110;
}
.nav-item:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-menu a {
  display: block; padding: 9px 18px; font-size: 15px; color: var(--ink-2);
  border-radius: 6px; letter-spacing: 1px; white-space: nowrap;
}
.sub-menu a:hover { background: var(--paper-2); color: var(--cinnabar); }
.nav-item3 { position: relative; }
.sub-menu-3rd {
  position: absolute; top: -9px; left: calc(100% - 2px);
  background: #fffdf7; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 8px; min-width: 172px;
  opacity: 0; visibility: hidden; transition: all .25s; z-index: 120;
}
.nav-item3:hover .sub-menu-3rd { opacity: 1; visibility: visible; }
.nav-arrow { font-size: 11px; opacity: .6; margin-left: 4px; }
.nav-3rd-trigger { display: flex !important; align-items: center; justify-content: space-between; }
.sub-menu-3rd a { font-size: 14px; }

.menu-toggle { display: none; background: none; border: none; width: 42px; height: 42px; position: relative; z-index: 130; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--ink); margin: 6px auto; transition: all .3s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ================= 主内容区 ================= */
#app { min-height: 100vh; padding-top: 76px; position: relative; z-index: 1; }
.view { animation: fadeUp .5s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ================= 首页 ================= */
.hero {
  position: relative; height: calc(100vh - 76px); min-height: 640px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding-bottom: 70px;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(30,26,20,.42) 0%, rgba(30,26,20,.18) 40%, rgba(30,26,20,.55) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; color: #f7f2e5; padding: 20px; }
.hero-vertical {
  display: flex; flex-direction: column; align-items: center;
  font-family: var(--kai); font-size: clamp(44px, 8.5vw, 100px);
  line-height: 1.16; font-weight: 700; margin: 0 auto 24px;
  text-shadow: 0 6px 30px rgba(0,0,0,.55);
}
.hero-sub { font-size: clamp(16px, 2vw, 22px); letter-spacing: clamp(4px, 1vw, 10px); margin-bottom: 10px; }
.hero-en { font-size: 13px; letter-spacing: 6px; opacity: .75; margin-bottom: 34px; font-family: var(--sans); }
.hero-quote {
  font-family: var(--kai); font-size: clamp(14px, 1.6vw, 18px);
  letter-spacing: 4px; opacity: .92; margin-bottom: 40px;
}
.hero-cta {
  display: inline-block; padding: 13px 46px; border: 1px solid rgba(247, 242, 229, .75);
  border-radius: 999px; color: #f7f2e5; font-size: 16px; letter-spacing: 6px;
  transition: all .3s; backdrop-filter: blur(4px);
}
.hero-cta:hover { background: rgba(247, 242, 229, .95); color: var(--ink); }
.hero-scroll {
  position: absolute; bottom: 100px; left: 50%; transform: translateX(-50%); z-index: 2;
  color: #f7f2e5; font-size: 12px; letter-spacing: 3px; text-align: center; opacity: .85;
}
.hero-scroll::after {
  content: ""; display: block; width: 1px; height: 34px; margin: 8px auto 0;
  background: linear-gradient(180deg, #f7f2e5, transparent); animation: drip 2s infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 数字概览 */
.stats-band {
  max-width: 1160px; margin: -70px auto 0; position: relative; z-index: 3;
  background: #fffdf6; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); display: grid; grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat { text-align: center; padding: 30px 12px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat-num { font-family: var(--kai); font-size: clamp(30px, 3.6vw, 44px); color: var(--cinnabar); font-weight: 700; }
.stat-num small { font-size: 15px; margin-left: 2px; color: var(--ink-3); }
.stat-label { font-size: 14px; color: var(--ink-2); letter-spacing: 3px; margin-top: 6px; }

/* 通用版块 */
.section { max-width: 1360px; margin: 0 auto; padding: 86px 28px 30px; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-kicker { font-size: 13px; letter-spacing: 8px; color: var(--gold); margin-bottom: 12px; }
.section-title { font-family: var(--kai); font-size: clamp(30px, 4vw, 42px); letter-spacing: 8px; font-weight: 700; }
.section-title::after {
  content: ""; display: block; width: 56px; height: 3px; margin: 18px auto 0;
  background: linear-gradient(90deg, transparent, var(--cinnabar), transparent);
}
.section-desc { max-width: 760px; margin: 20px auto 0; color: var(--ink-2); font-size: 16px; }

/* 首页四大栏目 */
.portal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.portal-card {
  position: relative; border-radius: 14px; overflow: hidden; cursor: pointer;
  aspect-ratio: 3/4; box-shadow: var(--shadow); background: var(--paper-2);
  transition: transform .4s;
}
.portal-card:hover { transform: translateY(-8px); }
.portal-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.portal-card:hover img { transform: scale(1.06); }
.portal-card .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(28, 24, 18, .82) 100%);
}
.portal-card .pc-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 22px; color: #f7f2e5; }
.pc-title { font-family: var(--kai); font-size: 26px; letter-spacing: 5px; margin-bottom: 6px; }
.pc-sub { font-size: 13px; opacity: .85; letter-spacing: 2px; line-height: 1.7; }
.pc-more { margin-top: 12px; font-size: 13px; letter-spacing: 2px; opacity: 0; transform: translateY(6px); transition: all .35s; }
.portal-card:hover .pc-more { opacity: 1; transform: none; }

/* 首页代表作横卷 */
.scroll-gallery { position: relative; }
.sg-arrow {
  position: absolute; top: 44%; z-index: 5; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line); background: rgba(255, 253, 246, .95); color: var(--ink-2);
  font-size: 24px; line-height: 1; transition: all .25s; box-shadow: 0 4px 14px rgba(60,50,30,.15);
}
.sg-arrow:hover { background: var(--cinnabar); color: #f8f3e6; border-color: var(--cinnabar); }
.sg-prev { left: 26px; } .sg-next { right: 26px; }
.scroll-gallery::before, .scroll-gallery::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.scroll-gallery::before { left: 0; background: linear-gradient(90deg, var(--paper), transparent); }
.scroll-gallery::after { right: 0; background: linear-gradient(-90deg, var(--paper), transparent); }
.sg-track { display: flex; gap: 22px; overflow-x: auto; padding: 10px 90px 26px; scroll-snap-type: x mandatory; }
.sg-track::-webkit-scrollbar { height: 6px; }
.sg-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.sg-item { flex: 0 0 auto; width: 280px; scroll-snap-align: center; cursor: pointer; }
.sg-item .frame {
  background: #fffdf6; padding: 10px; border: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(60, 50, 30, .10); transition: transform .35s, box-shadow .35s;
}
.sg-item:hover .frame { transform: translateY(-6px); box-shadow: var(--shadow); }
.sg-item img { width: 100%; height: 300px; object-fit: cover; object-position: top; }
.sg-cap { text-align: center; padding: 12px 4px 4px; }
.sg-cap b { font-family: var(--kai); font-size: 17px; letter-spacing: 2px; display: block; font-weight: 700; }
.sg-cap span { font-size: 12.5px; color: var(--ink-3); letter-spacing: 1px; }

/* 名言 */
.quote-band {
  margin: 90px 0 0; padding: 90px 28px; text-align: center; position: relative;
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.quote-band .q-mark { font-family: var(--kai); font-size: 70px; color: var(--gold); opacity: .5; line-height: .6; }
.quote-band blockquote {
  font-family: var(--kai); font-size: clamp(20px, 3vw, 30px); letter-spacing: 5px;
  max-width: 860px; margin: 14px auto 8px; color: var(--ink);
}
.quote-band cite { display: block; font-style: normal; color: var(--ink-3); font-size: 14px; letter-spacing: 3px; margin-top: 18px; }

/* 阁中留痕（首页访客计数） */
.visitor-band { margin: 48px 0 20px; }
.vb-card {
  position: relative; max-width: 620px; margin: 0 auto; text-align: center;
  background: #fffdf6; border: 1px solid var(--line); border-radius: 10px;
  padding: 34px 22px 28px; box-shadow: 0 6px 20px rgba(60, 50, 30, .07);
}
.vb-seal {
  position: absolute; top: -16px; right: -8px; width: 46px; height: 46px;
  background: linear-gradient(160deg, #b84a3c, var(--cinnabar) 55%, #8f3a2f);
  border-radius: 8px 5px 7px 5px; transform: rotate(6deg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(166, 59, 50, .25), inset 0 0 0 2px rgba(255, 246, 230, .45), inset 0 0 14px rgba(120, 30, 24, .35);
  writing-mode: vertical-rl; color: #fdf3e7; font-family: var(--kai);
  font-size: 15px; letter-spacing: 3px; line-height: 1;
}
.vb-kicker { font-family: var(--sans); font-size: 10.5px; letter-spacing: 4px; color: var(--gold); opacity: .75; }
.vb-title {
  font-family: var(--kai); font-size: 24px; font-weight: 700; color: var(--ink);
  letter-spacing: 6px; margin: 10px 0 14px;
}
.vb-line {
  width: 52px; height: 1.5px; margin: 0 auto 18px; border-radius: 1px; opacity: .78;
  background: linear-gradient(90deg, transparent, var(--cinnabar), transparent);
}
.vb-count { font-family: var(--kai); font-size: 15px; color: var(--ink-2); letter-spacing: 2px; }
.vb-count b {
  display: inline-block; min-width: 64px; font-size: 32px; font-weight: 700;
  color: var(--cinnabar); font-variant-numeric: tabular-nums;
  letter-spacing: 1px; margin: 0 10px; line-height: 1; vertical-align: -3px;
}
.vb-note { margin-top: 12px; font-size: 12px; color: var(--ink-3); letter-spacing: 2px; }

/* ================= 栏目页通用 ================= */
.page-hero { position: relative; height: 320px; overflow: hidden; }
.page-hero img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(30,26,20,.30), rgba(30,26,20,.62));
}
.page-hero .ph-text { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #f7f2e5; text-align: center; padding: 0 20px; }
.ph-title { font-family: var(--kai); font-size: clamp(34px, 5vw, 52px); letter-spacing: 12px; font-weight: 700; text-shadow: 0 3px 16px rgba(0,0,0,.65); }
.ph-sub { margin-top: 12px; font-size: clamp(13px, 1.6vw, 16px); letter-spacing: 3px; opacity: .97; max-width: 720px; line-height: 1.9; text-shadow: 0 2px 10px rgba(0,0,0,.75); }
.ph-crumb { margin-top: 18px; font-size: 12.5px; letter-spacing: 2px; opacity: .95; text-shadow: 0 2px 8px rgba(0,0,0,.7); }
.ph-crumb a:hover { color: #fff; text-decoration: underline; }

.page-body { max-width: 1360px; margin: 0 auto; padding: 54px 28px 90px; }

/* 画家简介页：加高hero，横幅山水通栏 */
.page-hero.bio-hero { height: 500px; }
.page-hero.bio-hero img.ph-img-d { object-position: center 62%; }
.page-hero.bio-hero .ph-text { justify-content: flex-end; padding-bottom: 34px; }
.page-hero img.ph-img-m { display: none; }

/* 百年人生页：加高hero，与画家简介同高，双图切换 */
.page-hero.tall-hero { height: 500px; }
.page-hero.tall-hero img.ph-img-d { object-position: center center; }
.page-hero.tall-hero .ph-text { justify-content: flex-end; padding-bottom: 34px; }

/* 画作工具栏 */
.gallery-toolbar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  padding: 18px 22px; background: #fffdf6; border: 1px solid var(--line);
  border-radius: 12px; margin-bottom: 34px; position: sticky; top: 86px; z-index: 50;
  box-shadow: 0 4px 18px rgba(60,50,30,.07);
}
.toolbar-title { font-family: var(--kai); font-size: 19px; letter-spacing: 2px; margin-right: auto; }
.toolbar-count { font-size: 13px; color: var(--ink-3); letter-spacing: 1px; }
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 13px; color: var(--ink-3); letter-spacing: 2px; }
.filter-chip {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 5px 14px; font-size: 13px; color: var(--ink-2); letter-spacing: 1px;
  transition: all .25s; font-family: var(--serif);
}
.filter-chip:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.filter-chip.on { background: var(--cinnabar); border-color: var(--cinnabar); color: #f8f3e6; }

/* 画作瀑布流 */
.painting-grid { columns: 4 240px; column-gap: 22px; }
.p-card {
  break-inside: avoid; margin-bottom: 22px; cursor: pointer;
  background: #fffdf6; border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.p-card img { width: 100%; height: auto; }
.p-meta { padding: 12px 14px 14px; text-align: center; }
.p-title { font-family: var(--kai); font-size: 16.5px; letter-spacing: 1.5px; font-weight: 700; color: var(--ink); }
.p-info { font-size: 12.5px; color: var(--ink-3); letter-spacing: 1px; margin-top: 4px; }
.p-tags { margin-top: 8px; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.p-tag { font-size: 11px; color: var(--gold); border: 1px solid #e2d5b8; border-radius: 3px; padding: 1px 7px; letter-spacing: 1px; background: #faf6ea; }

/* 加载更多 */
.load-more-wrap { text-align: center; margin-top: 30px; }
.load-more {
  padding: 12px 52px; border: 1px solid var(--ink-2); background: transparent;
  border-radius: 999px; font-size: 15px; letter-spacing: 4px; color: var(--ink-2);
  transition: all .3s; font-family: var(--kai);
}
.load-more:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ================= 画家简介 ================= */
.bio-layout { display: grid; grid-template-columns: 380px 1fr; gap: 56px; align-items: start; }
.bio-portrait {
  position: sticky; top: 100px;
  background: #fffdf6; border: 1px solid var(--line); padding: 14px;
  box-shadow: var(--shadow); border-radius: 10px;
}
.bio-portrait img { width: 100%; border-radius: 4px; }
.bio-portrait figcaption { text-align: center; padding: 14px 6px 6px; color: var(--ink-3); font-size: 13.5px; letter-spacing: 2px; }
.bio-facts { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 14px; }
.bio-facts .bf { display: flex; gap: 10px; font-size: 13.5px; padding: 5px 6px; color: var(--ink-2); }
.bio-facts .bf b { color: var(--cinnabar); font-weight: 400; min-width: 66px; letter-spacing: 2px; }

.bio-text h3 {
  font-family: var(--kai); font-size: 23px; letter-spacing: 4px; margin: 38px 0 18px;
  padding-left: 14px; border-left: 4px solid var(--cinnabar);
}
.bio-text h3:first-child { margin-top: 0; }
.bio-text p { text-align: justify; margin-bottom: 14px; font-size: 16.5px; color: var(--ink-2); text-indent: 2em; }
.bio-text .motto {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 22px 28px; text-align: center; font-family: var(--kai);
  font-size: 20px; letter-spacing: 4px; color: var(--azure); margin: 26px 0;
}
.bio-text ul.exhib-list { list-style: none; }
.bio-text ul.exhib-list li { padding: 7px 0 7px 26px; position: relative; font-size: 15.5px; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.bio-text ul.exhib-list li::before { content: "▪"; position: absolute; left: 4px; color: var(--cinnabar); }

/* 时间轴 */
.timeline { position: relative; padding-left: 34px; margin-top: 24px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--cinnabar), var(--line)); }
.tl-item { position: relative; padding: 0 0 26px 20px; }
.tl-item::before {
  content: ""; position: absolute; left: -32px; top: 8px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--cinnabar);
}
.tl-year { font-family: var(--kai); font-size: 21px; color: var(--cinnabar); letter-spacing: 2px; font-weight: 700; }
.tl-text { margin-top: 4px; color: var(--ink-2); font-size: 15.5px; }

/* ================= 百年人生照片墙 ================= */
.photo-group-head {
  display: flex; align-items: baseline; gap: 16px; margin: 44px 0 22px;
}
.photo-group-head:first-child { margin-top: 0; }
.pg-title { font-family: var(--kai); font-size: 26px; letter-spacing: 4px; }
.pg-title em { font-style: normal; color: var(--cinnabar); }
.pg-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }
.pg-count { font-size: 13px; color: var(--ink-3); letter-spacing: 1px; }
.photo-wall { columns: 5 200px; column-gap: 16px; }
.ph-card {
  break-inside: avoid; margin-bottom: 16px; border-radius: 8px; overflow: hidden;
  cursor: zoom-in; background: #fffdf6; border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s; position: relative;
}
.ph-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.ph-card img { width: 100%; height: auto; }
.ph-card .ph-badge {
  position: absolute; top: 10px; left: 10px; background: rgba(166, 59, 50, .88); color: #f8f3e6;
  font-size: 11px; letter-spacing: 2px; padding: 3px 10px; border-radius: 3px;
}

/* ================= 出书著作 ================= */
.book-shelf { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.book-card {
  background: #fffdf6; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  box-shadow: 0 8px 26px rgba(60,50,30,.10); transition: transform .35s, box-shadow .35s; cursor: pointer;
}
.book-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.book-cover-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--paper-2); }
.book-cover-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.book-open {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(40, 34, 25, 0); color: transparent; font-size: 16px; letter-spacing: 4px;
  transition: all .35s; font-family: var(--kai);
}
.book-card:hover .book-open { background: rgba(40, 34, 25, .45); color: #f7f2e5; }
.book-info { padding: 22px 24px 26px; text-align: center; }
.book-title { font-family: var(--kai); font-size: 20px; letter-spacing: 2px; line-height: 1.55; min-height: 62px; display: flex; align-items: center; justify-content: center; }
.book-action { display: inline-block; margin-top: 10px; padding: 8px 30px; border: 1px solid var(--cinnabar); color: var(--cinnabar); border-radius: 999px; font-size: 14px; letter-spacing: 3px; transition: all .3s; }
.book-card:hover .book-action { background: var(--cinnabar); color: #f8f3e6; }

/* ================= 荣誉奖项 ================= */
.honor-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.honor-card {
  background: #fffdf6; border: 1px solid var(--line); border-radius: 12px; padding: 26px 26px 22px;
  box-shadow: 0 6px 20px rgba(60,50,30,.07); transition: transform .3s; position: relative; overflow: hidden;
}
.honor-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold));
}
.honor-card:hover { transform: translateY(-5px); }
.honor-icon { font-size: 30px; margin-bottom: 10px; }
.honor-title { font-family: var(--kai); font-size: 19px; letter-spacing: 2px; margin-bottom: 8px; }
.honor-desc { font-size: 14px; color: var(--ink-2); line-height: 1.85; text-align: justify; }

.report-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.report-card {
  background: #fffdf6; border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px;
  transition: all .3s; display: block;
}
.report-card:hover { border-color: var(--gold); box-shadow: var(--shadow); transform: translateY(-3px); }
.report-src { font-size: 12px; color: var(--gold); letter-spacing: 2px; margin-bottom: 6px; }
.report-title { font-family: var(--kai); font-size: 17px; letter-spacing: 1px; line-height: 1.6; margin-bottom: 8px; }
.report-abs { font-size: 13.5px; color: var(--ink-3); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; text-align: justify; }
.report-link { margin-top: 10px; font-size: 12.5px; color: var(--cinnabar); letter-spacing: 1px; }

.subsec-title {
  font-family: var(--kai); font-size: 26px; letter-spacing: 5px; margin: 64px 0 26px;
  display: flex; align-items: center; gap: 18px;
}
.subsec-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.subsec-en { font-size: 12px; color: var(--ink-3); letter-spacing: 3px; font-family: var(--sans); }

/* ================= 名家点评 ================= */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.review-card {
  background: #fffdf6; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  box-shadow: 0 8px 24px rgba(60,50,30,.09); transition: transform .35s, box-shadow .35s; cursor: pointer;
  display: flex; flex-direction: column;
}
.review-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.review-cover { position: relative; aspect-ratio: 9/12.5; overflow: hidden; }
.review-cover img { width: 100%; height: 100%; object-fit: cover; }
.review-info { padding: 18px 20px 20px; text-align: center; border-top: 1px solid var(--line); flex: 1; display: flex; flex-direction: column; justify-content: center; }
.review-title { font-family: var(--kai); font-size: 16px; line-height: 1.65; letter-spacing: 1px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; word-break: break-all; }
.review-src { margin-top: 8px; font-size: 12.5px; color: var(--ink-3); letter-spacing: 1px; }

/* ================= 联系合作 ================= */
.coop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.coop-card {
  position: relative; background: #fffdf6; border: 1px solid var(--line); border-radius: 14px;
  padding: 40px 32px 34px; overflow: hidden; transition: transform .35s, box-shadow .35s;
}
.coop-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.coop-card .cc-num {
  position: absolute; top: 14px; right: 20px; font-family: var(--kai); font-size: 64px;
  color: var(--paper-2); font-weight: 700; line-height: 1; z-index: 0;
}
.coop-icon {
  width: 60px; height: 60px; border-radius: 50%; background: var(--paper-2);
  display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 18px;
  border: 1px solid var(--line); position: relative; z-index: 1;
}
.coop-title { font-family: var(--kai); font-size: 23px; letter-spacing: 4px; margin-bottom: 6px; position: relative; z-index: 1; }
.coop-en { font-size: 11.5px; color: var(--gold); letter-spacing: 3px; margin-bottom: 16px; font-family: var(--sans); position: relative; z-index: 1; }
.coop-card ul { list-style: none; position: relative; z-index: 1; }
.coop-card li { padding: 7px 0 7px 22px; position: relative; font-size: 14.5px; color: var(--ink-2); line-height: 1.75; }
.coop-card li::before { content: "◆"; position: absolute; left: 0; top: 7px; font-size: 10px; color: var(--cinnabar); }

.contact-band {
  margin-top: 60px; background: linear-gradient(135deg, #33453a, #22302a);
  border-radius: 16px; padding: 54px 48px; color: #f2eddd;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  position: relative; overflow: hidden;
}
.contact-band::before {
  content: "丹青不朽"; position: absolute; right: -20px; bottom: -34px;
  font-family: var(--kai); font-size: 130px; color: rgba(247, 242, 229, .05); letter-spacing: 14px; font-weight: 700;
}
.cb-title { font-family: var(--kai); font-size: 30px; letter-spacing: 6px; margin-bottom: 14px; }
.cb-desc { font-size: 15px; opacity: .85; line-height: 2; }
.cb-items { display: grid; gap: 16px; }
.cb-item { display: flex; align-items: center; gap: 16px; background: rgba(247,242,229,.08); border: 1px solid rgba(247,242,229,.16); border-radius: 10px; padding: 16px 22px; }
.cb-item .ic { font-size: 22px; }
.cb-item small { display: block; font-size: 12px; opacity: .7; letter-spacing: 2px; margin-bottom: 2px; }
.cb-item b { font-size: 17px; font-weight: 400; letter-spacing: 1.5px; font-family: var(--sans); }

/* ================= 灯箱 ================= */
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(24, 20, 14, .93);
  display: none; align-items: center; justify-content: center; padding: 36px 44px 62px;
}
.lightbox.open { display: flex; animation: lbIn .3s ease; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lb-figure { max-width: min(1500px, 100%); max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; margin: 0; }
.lb-figure img {
  max-width: 100%; max-height: calc(100vh - 120px); object-fit: contain;
  box-shadow: 0 20px 80px rgba(0, 0, 0, .6); border: 5px solid #fffdf6; border-radius: 2px;
}
.lb-caption { color: #efe9da; text-align: center; font-family: var(--kai); font-size: 19px; letter-spacing: 3px; }
.lb-caption span { color: #b9b09c; font-size: 14px; margin-left: 14px; letter-spacing: 2px; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; background: rgba(255, 253, 246, .08); border: 1px solid rgba(255,253,246,.25);
  color: #f2eddd; width: 52px; height: 52px; border-radius: 50%; font-size: 26px;
  display: flex; align-items: center; justify-content: center; transition: all .25s; z-index: 2;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--cinnabar); border-color: var(--cinnabar); }
.lb-close { top: 26px; right: 30px; }
.lb-prev { left: 26px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 26px; top: 50%; transform: translateY(-50%); }
.lb-count { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: #b9b09c; font-size: 13px; letter-spacing: 3px; }

/* ================= 音乐 ================= */
.music-dock { position: fixed; right: 26px; bottom: 26px; z-index: 200; }
.music-btn {
  width: 58px; height: 58px; border-radius: 50%; border: none;
  background: var(--cinnabar); color: #f8f3e6; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 26px rgba(166, 59, 50, .45), inset 0 0 0 2px rgba(248, 243, 230, .35); transition: transform .3s; position: relative; z-index: 3;
  font-family: var(--kai); font-size: 24px; font-weight: 700; letter-spacing: 0;
}
.music-btn:hover { transform: scale(1.08); }
.music-btn.playing::before, .music-btn.playing::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(166, 59, 50, .5); animation: ripple 1.8s infinite;
}
.music-btn.playing::after { animation-delay: .9s; }
@keyframes ripple { from { transform: scale(1); opacity: 1; } to { transform: scale(1.7); opacity: 0; } }
.music-icon { display: none; }
.music-icon.play svg { animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.music-hint {
  position: absolute; right: 72px; top: 50%; transform: translateY(-50%);
  background: rgba(46, 42, 37, .92); color: #f2eddd; font-size: 13px; letter-spacing: 2px;
  padding: 9px 18px; border-radius: 999px; white-space: nowrap; pointer-events: none;
  animation: hintPulse 2.4s infinite; font-family: var(--kai);
}
.music-hint::after { content: ""; position: absolute; right: -4px; top: 50%; transform: translateY(-50%) rotate(45deg); width: 10px; height: 10px; background: rgba(46, 42, 37, .92); }
@keyframes hintPulse { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }
.music-panel {
  position: absolute; right: 0; bottom: 74px; width: 240px;
  background: #fffdf6; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 18px; display: none;
}
.music-panel.open { display: block; animation: fadeUp .3s ease; }
.music-panel-title { font-family: var(--kai); font-size: 15px; letter-spacing: 3px; margin-bottom: 12px; color: var(--ink-2); }
.music-tracks { display: grid; gap: 4px; }
.music-track {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px;
  font-size: 13.5px; color: var(--ink-2); cursor: pointer; transition: background .2s; letter-spacing: 1px;
}
.music-track:hover { background: var(--paper-2); }
.music-track.on { background: var(--paper-2); color: var(--cinnabar); }
.music-track .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--line); flex: 0 0 auto; }
.music-track.on .dot { background: var(--cinnabar); }
.music-volume { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 12px; color: var(--ink-3); }
.music-volume input { flex: 1; accent-color: var(--cinnabar); height: 3px; }

/* ================= 回到顶部 ================= */
.back-top {
  position: fixed; left: 26px; bottom: 26px; z-index: 190;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(255, 253, 246, .9); color: var(--ink-2); font-size: 18px;
  opacity: 0; visibility: hidden; transition: all .35s; backdrop-filter: blur(6px);
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--ink); color: var(--paper); }

/* ================= 页脚 ================= */
.site-footer { background: #26221c; color: #b6ad99; margin-top: 100px; position: relative; z-index: 1; }
.footer-inner {
  max-width: 1360px; margin: 0 auto; padding: 64px 28px 40px;
  display: grid; grid-template-columns: 1.3fr 2fr; gap: 50px;
}
.footer-logo { font-family: var(--kai); font-size: 34px; letter-spacing: 8px; color: #f2eddd; }
.footer-slogan { font-size: 14px; letter-spacing: 4px; margin-top: 8px; color: #cfc6b0; }
.footer-desc { margin-top: 18px; font-size: 13.5px; line-height: 2; color: #948b77; letter-spacing: 1px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.footer-col h4 { font-family: var(--kai); font-size: 16px; color: #e8e1cf; letter-spacing: 3px; margin-bottom: 16px; font-weight: 400; }
.footer-col a { display: block; font-size: 13.5px; color: #948b77; padding: 5px 0; letter-spacing: 1px; transition: color .25s; }
.footer-col a:hover { color: #f2eddd; }
.footer-bottom { border-top: 1px solid rgba(247, 242, 229, .1); padding: 22px 28px; text-align: center; font-size: 12.5px; color: #7d755f; letter-spacing: 1px; }
.footer-contact { margin-bottom: 8px; color: #948b77; }
.footer-contact b { color: #cfc6b0; font-weight: 400; }
.footer-music-note { margin-top: 6px; opacity: .75; }

/* ================= 空状态 ================= */
.empty-tip { text-align: center; padding: 70px 20px; color: var(--ink-3); font-size: 15px; letter-spacing: 2px; }

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .12s; } .reveal-d2 { transition-delay: .24s; } .reveal-d3 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* 搜索框 */
.search-box {
  display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 6px 4px 16px; background: #fffdf6;
}
.search-box input {
  border: none; outline: none; background: transparent; font-family: var(--serif);
  font-size: 13.5px; color: var(--ink-2); width: 130px; letter-spacing: 1px;
}
.search-box input::placeholder { color: var(--ink-3); }
.search-box .sb-btn {
  border: none; background: var(--cinnabar); color: #f8f3e6; border-radius: 999px;
  padding: 4px 14px; font-size: 12.5px; letter-spacing: 2px;
}

/* 数字滚动 */
.stat-num { font-variant-numeric: tabular-nums; }

/* ================= 三峡图卷 ================= */
/* 图卷介绍 */
.juan-intro {
  display: grid; grid-template-columns: 1fr 350px; gap: 46px; align-items: stretch;
  background: #fffdf6; border: 1px solid var(--line); border-radius: 14px;
  padding: 42px 44px 38px; box-shadow: 0 6px 20px rgba(60,50,30,.07);
}
.ji-title {
  font-family: var(--kai); font-size: clamp(24px, 3vw, 32px); letter-spacing: 4px;
  font-weight: 700; padding-bottom: 16px; margin-bottom: 20px; position: relative; line-height: 1.4;
}
.ji-title::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 64px; height: 3px;
  background: linear-gradient(90deg, var(--cinnabar), transparent);
}
.ji-en {
  display: block; font-family: var(--sans); font-size: 11.5px; letter-spacing: 3px;
  color: var(--gold); margin-top: 9px; font-weight: 400;
}
.ji-text p {
  text-align: justify; font-size: 15.5px; color: var(--ink-2);
  margin-bottom: 13px; text-indent: 2em; line-height: 2.05;
}
.ji-text p:last-child { margin-bottom: 0; }
.ji-stats { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 14px; }
.ji-stat {
  background: linear-gradient(160deg, #f8f4e9, #f0e9d6); border: 1px solid var(--line);
  border-radius: 10px; padding: 22px 10px 17px; text-align: center; box-shadow: inset 0 1px 0 #fff;
  display: flex; flex-direction: column; justify-content: center;
}
.ji-stat b {
  font-family: var(--kai); font-size: 34px; color: var(--cinnabar); font-weight: 700;
  line-height: 1; font-variant-numeric: tabular-nums; display: block;
}
.ji-stat b i { font-style: normal; font-size: 14px; margin-left: 3px; color: var(--ink-3); font-weight: 400; }
.ji-stat span { display: block; margin-top: 10px; font-size: 12.5px; letter-spacing: 3px; color: var(--ink-2); }

/* 长卷全览：手卷画框 */
.juan-section { margin-top: 10px; }
.juan-frame {
  position: relative; margin: 0 auto;
  background: linear-gradient(180deg, #faf6ea 0%, #f2ebd7 100%);
  border: 1px solid #cfc4a8; border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 26px 28px 22px;
}
/* 上下卷轴 */
.juan-frame::before, .juan-frame::after {
  content: ""; position: absolute; left: 12px; right: 12px; height: 14px; border-radius: 7px;
  background: linear-gradient(180deg, #6a5137, #3d2d1b 55%, #57412a);
  box-shadow: 0 2px 6px rgba(46,34,18,.42), inset 0 1px 0 rgba(255,240,200,.32);
}
.juan-frame::before { top: -7px; }
.juan-frame::after { bottom: -7px; }
/* 阅卷窗口：高度与 roll 图原生高度一致，保持原比例不拉伸 */
.juan-window {
  position: relative; height: 320px; overflow: hidden; border-radius: 4px;
  background: #eae2cd; cursor: grab; touch-action: pan-y;
  box-shadow: inset 0 0 28px rgba(72, 58, 34, .20);
}
.juan-window.dragging { cursor: grabbing; }
.juan-window::before, .juan-window::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 76px; z-index: 2; pointer-events: none;
}
.juan-window::before { left: 0; background: linear-gradient(90deg, rgba(48, 38, 22, .26), transparent); }
.juan-window::after { right: 0; background: linear-gradient(-90deg, rgba(48, 38, 22, .26), transparent); }
.juan-track { display: flex; height: 100%; will-change: transform; }
.juan-track img {
  height: 100%; width: auto; flex: 0 0 auto; display: block;
  user-select: none; -webkit-user-drag: none;
}
/* 展卷进度 */
.juan-progress {
  position: relative; height: 6px; margin-top: 17px; border-radius: 3px;
  background: rgba(60, 48, 28, .15); cursor: pointer;
}
.jp-bar {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--cinnabar), var(--cinnabar-2));
  box-shadow: 0 0 8px rgba(166, 59, 50, .4);
}
/* 展卷控制 */
.juan-controls {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-top: 19px; flex-wrap: wrap;
}
.jc-btn {
  border: 1px solid var(--ink-2); background: transparent; color: var(--ink-2);
  border-radius: 999px; padding: 7px 22px; font-size: 14px; letter-spacing: 3px;
  font-family: var(--kai); transition: all .25s;
}
.jc-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.jc-btn.on { background: var(--cinnabar); border-color: var(--cinnabar); color: #f8f3e6; }
.jc-speed {
  display: flex; gap: 8px; align-items: center;
  padding: 0 14px; border-left: 1px solid var(--line); border-right: 1px solid var(--line);
}
.jc-speed .jc-btn { padding: 6px 16px; font-size: 13px; letter-spacing: 1px; }
.jc-tip { font-size: 12.5px; color: var(--ink-3); letter-spacing: 1px; }
.jc-tip b { color: var(--cinnabar); font-weight: 400; }

/* 分段细览 */
.juan-segs { margin-top: 6px; }
.js-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: 20px; }
.js-card {
  background: #fffdf6; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  cursor: zoom-in; transition: transform .3s, box-shadow .3s;
}
.js-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.js-imgwrap { height: 134px; overflow: hidden; background: var(--paper-2); }
.js-imgwrap img {
  width: 100%; height: 100%; object-fit: cover; object-position: left center;
  transition: transform .45s;
}
.js-card:hover .js-imgwrap img { transform: scale(1.05); }
.js-card figcaption {
  text-align: center; font-family: var(--kai); font-size: 15px; letter-spacing: 3px;
  padding: 11px 6px 12px; color: var(--ink-2); border-top: 1px solid var(--line);
}

/* 段落查看器 */
.juan-viewer {
  position: fixed; inset: 0; z-index: 300; background: #17130d;
  display: none; flex-direction: column;
}
.juan-viewer.open { display: flex; animation: jvIn .3s ease; }
@keyframes jvIn { from { opacity: 0; } to { opacity: 1; } }
.jv-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 15px 24px; border-bottom: 1px solid rgba(247, 242, 229, .14); flex: 0 0 auto;
}
.jv-title { font-family: var(--kai); color: #f2eddd; font-size: 18px; letter-spacing: 3px; }
.jv-ops { display: flex; gap: 10px; flex-wrap: wrap; }
.jv-btn {
  background: rgba(255, 253, 246, .08); border: 1px solid rgba(255, 253, 246, .28); color: #f2eddd;
  border-radius: 999px; padding: 7px 20px; font-size: 13.5px; letter-spacing: 2px;
  transition: all .25s; font-family: var(--kai);
}
.jv-btn:hover { background: var(--cinnabar); border-color: var(--cinnabar); }
.jv-close { font-size: 20px; padding: 5px 15px; line-height: 1.3; }
.jv-scroll { flex: 1; overflow: auto; display: flex; padding: 28px 0 20px; }
.jv-scroll::-webkit-scrollbar { height: 8px; }
.jv-scroll::-webkit-scrollbar-track { background: rgba(247, 242, 229, .06); }
.jv-scroll::-webkit-scrollbar-thumb { background: rgba(247, 242, 229, .28); border-radius: 4px; }
#jvImg {
  height: auto; max-height: calc(100vh - 175px); width: auto; max-width: none;
  margin: auto; flex: 0 0 auto;
  border: 4px solid #f2ecdc; border-radius: 2px; box-shadow: 0 20px 80px rgba(0, 0, 0, .6);
  cursor: grab; align-self: center;
}
#jvImg.zoomed { height: 750px; max-height: none; }
.jv-foot {
  flex: 0 0 auto; text-align: center; color: #d8cfba; font-size: 12.5px;
  letter-spacing: 2px; padding: 12px 16px 16px;
}

/* 三峡图卷 · 响应式 */
@media (max-width: 1100px) {
  .juan-intro { grid-template-columns: 1fr; }
  .ji-stats { max-width: 480px; }
  .juan-window { height: 320px; }
}
@media (max-width: 760px) {
  .juan-intro { padding: 26px 20px 24px; }
  .ji-stats { grid-template-columns: repeat(4, 1fr); gap: 8px; max-width: none; }
  .ji-stat { padding: 15px 4px 12px; }
  .ji-stat b { font-size: 24px; }
  .ji-stat b i { font-size: 11px; }
  .ji-stat span { font-size: 11px; letter-spacing: 1px; margin-top: 6px; }
  .juan-frame { padding: 18px 14px 14px; border-radius: 10px; }
  .juan-frame::before, .juan-frame::after { height: 11px; left: 8px; right: 8px; }
  .juan-window { height: 260px; }
  .juan-window::before, .juan-window::after { width: 46px; }
  .juan-controls { gap: 8px; }
  .jc-btn { padding: 6px 14px; font-size: 13px; letter-spacing: 1px; }
  .jc-speed { padding: 0 8px; }
  .jc-speed .jc-btn { padding: 5px 12px; }
  .jc-tip { display: none; }
  .js-grid { grid-template-columns: 1fr; gap: 14px; }
  .js-imgwrap { height: 120px; }
  .jv-head { flex-wrap: wrap; padding: 10px 12px; }
  .jv-title { font-size: 15px; letter-spacing: 1px; }
  .jv-btn { padding: 6px 13px; font-size: 12px; letter-spacing: 1px; }
  .jv-scroll { padding: 16px 0 12px; }
  #jvImg { max-height: calc(100vh - 145px); max-width: none; border-width: 3px; align-self: center; }
  #jvImg.zoomed { height: 750px; }
  .jv-foot { font-size: 11px; padding: 8px 12px 12px; }
  .jv-desk { display: none; }
}
@media (max-width: 420px) {
  .ji-stats { grid-template-columns: repeat(2, 1fr); }
  .juan-window { height: 220px; }
}

/* ================= 响应式 ================= */
@media (max-width: 1100px) {
  .portal-grid { grid-template-columns: repeat(2, 1fr); }
  .bio-layout { grid-template-columns: 1fr; }
  .bio-portrait { position: static; max-width: 460px; margin: 0 auto; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-cards { grid-template-columns: repeat(2, 1fr); }
  .report-list { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .book-shelf { grid-template-columns: repeat(2, 1fr); }
  .coop-grid { grid-template-columns: 1fr; }
  .contact-band { grid-template-columns: 1fr; padding: 40px 32px; }
}
@media (max-width: 760px) {
  .header-inner { padding: 0 16px; height: 64px; }
  #app { padding-top: 64px; }
  .brand-name { font-size: 20px; letter-spacing: 2px; }
  .brand-sub { font-size: 10px; }
  .brand-seal { width: 38px; height: 38px; font-size: 21px; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; right: 0; height: calc(100vh - 64px); width: min(78vw, 330px);
    background: #fffdf6; flex-direction: column; align-items: stretch;
    padding: 16px 18px 30px; gap: 2px; transform: translateX(100%);
    transition: transform .35s; box-shadow: -10px 0 40px rgba(0,0,0,.15); overflow-y: auto;
  }
  .main-nav.open { transform: none; }
  .nav-item > a { padding: 13px 14px; font-size: 18px; border-bottom: 1px dashed var(--line); }
  .nav-item > a::after { display: none; }
  .sub-menu, .sub-menu-3rd {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; background: transparent; padding: 0 0 6px 16px; min-width: 0;
    display: none; border-radius: 0;
  }
  .sub-menu.show { display: block; }
  .sub-menu-3rd.show3 { display: block; padding-left: 34px; }
  .sub-menu-3rd a { font-size: 14px; color: var(--ink-3); padding: 6px 12px; border-bottom: none !important; }
  .sub-menu-3rd a::before { content: "·"; margin-right: 7px; color: var(--cinnabar); }
  .nav-3rd-trigger { display: flex; }
  .nav-3rd-trigger .nav-arrow { transition: transform .25s; }
  .sub-menu.show .nav-3rd-trigger .nav-arrow { transform: rotate(90deg); }
  .lb-figure img { max-height: calc(100vh - 130px); }
  .hero { height: calc(100vh - 64px); }
  .portal-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .pc-title { font-size: 19px; }
  .section { padding: 60px 16px 20px; }
  .section-title { letter-spacing: 4px; }
  .painting-grid { columns: 2 150px; column-gap: 12px; }
  .p-card { margin-bottom: 12px; }
  .p-title { font-size: 14.5px; }
  .p-info { font-size: 11.5px; }
  .photo-wall { columns: 2 140px; column-gap: 10px; }
  .ph-card { margin-bottom: 10px; }
  .photo-group-head { flex-wrap: wrap; gap: 6px 14px; margin: 36px 0 18px; }
  .pg-title { font-size: 21px; letter-spacing: 2px; }
  .pg-count { font-size: 12px; }
  .review-grid { grid-template-columns: 1fr; }
  .book-shelf { grid-template-columns: 1fr; }
  .honor-cards { grid-template-columns: 1fr; }
  .page-body { padding: 34px 16px 70px; }
  .page-hero.bio-hero { height: 420px; }
  .page-hero.bio-hero img.ph-img-d { display: none; }
  .page-hero.bio-hero img.ph-img-m { display: block; object-position: center center; }
  .page-hero.bio-hero .ph-text { justify-content: flex-end; padding-bottom: 20px; }
  .page-hero.tall-hero { height: 420px; }
  .page-hero.tall-hero img.ph-img-d { display: none; }
  .page-hero.tall-hero img.ph-img-m { display: block; object-position: center center; }
  .page-hero.tall-hero .ph-text { justify-content: flex-end; padding-bottom: 20px; }
  .gallery-toolbar { position: static; flex-direction: column; align-items: stretch; }
  .toolbar-title { margin-right: 0; }
  .lightbox { padding: 46px 8px 64px; }
  .lb-figure img { max-height: calc(100vh - 120px); border-width: 3px; }
  .lb-prev { left: 6px; } .lb-next { right: 6px; }
  .lb-close { top: 12px; right: 12px; }
  .footer-inner { grid-template-columns: 1fr; padding: 48px 20px 30px; gap: 34px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .music-dock { right: 14px; bottom: 14px; }
  .back-top { left: 14px; bottom: 14px; width: 42px; height: 42px; }
  .music-hint { display: none; }
  .stats-band { margin: -50px 16px 0; }
  .sg-track { padding: 10px 16px 22px; }
  .sg-item { width: 220px; }
  .scroll-gallery::before, .scroll-gallery::after { display: none; }
  .sg-arrow { width: 38px; height: 38px; font-size: 20px; }
  .sg-prev { left: 10px; } .sg-next { right: 10px; }
  .quote-band { padding: 60px 20px; }
.visitor-band { margin: 36px 0 12px; }
.vb-card { max-width: none; margin: 0 14px; padding: 26px 16px 22px; }
.vb-seal { width: 38px; height: 38px; font-size: 13px; top: -12px; right: -6px; }
.vb-title { font-size: 20px; letter-spacing: 4px; margin: 8px 0 12px; }
.vb-line { margin-bottom: 14px; }
.vb-count { font-size: 14px; letter-spacing: 1px; }
.vb-count b { font-size: 26px; min-width: 52px; margin: 0 6px; vertical-align: -2px; }
.vb-note { font-size: 11px; letter-spacing: 1px; margin-top: 10px; }
}
@media (max-width: 420px) {
  .portal-grid { grid-template-columns: 1fr; }
  .painting-grid { columns: 1 1fr; }
}
/* 矮视口适配（笔记本/小窗口） */
@media (max-height: 820px) and (min-width: 761px) {
  .hero-vertical { font-size: clamp(40px, 7vw, 84px); line-height: 1.12; }
  .hero-en { margin-bottom: 20px; }
  .hero-quote { margin-bottom: 26px; }
  .hero { min-height: 560px; }
}
@media (max-height: 700px) and (min-width: 761px) {
  .hero-vertical { font-size: clamp(32px, 5.5vw, 64px); }
  .hero-quote { display: none; }
  .hero { min-height: 500px; }
}