/**
* ============================================================================
* 天青泥火 · visual-enhance.css (v7.0 宋韵文博视觉重塑层)
* ----------------------------------------------------------------------------
* 加载顺序：必须在 css/style.css 之后。仅「追加 / 覆盖」，不删除任何原选择器。
* 回退：移除 index.html 中对应 即可恢复旧版。
*
* 目录
* 1. 设计令牌：字体栈 / 缓动 / 金丝流光角度
* 2. 东方古典排版：衬线、字距、行距、标点挤压
* 3. 雨过天青毛玻璃 + 金丝流光边框 + 砚墨暗纹
* 4. 朱红印章
* 5. 3D 展台：暗角胶片颗粒 / 热点标签外挂 / 加载环
* 6. 模态框与 100x 显微镜目镜
* 7. 微交互：按键微抬升、墨点涟漪、焦点环
* 8. 移动端沉浸：dvh / 安全区 / 触控
* 9. 滚动入场、滚动条、选区
* 10. 减少动态偏好
* ============================================================================
*/
/* ───────────────── 1. 设计令牌 ───────────────── */
:root {
--font-serif-cn: 'Noto Serif SC', 'Source Han Serif SC', 'Noto Serif CJK SC', 'Songti SC', 'STSong', 'Source Han Serif', 'SimSun', 'FangSong', serif;
--font-kai: 'Kaiti SC', 'STKaiti', 'KaiTi', 'BiauKai', 'Noto Serif SC', serif;
--ease-ink: cubic-bezier(0.22, 1, 0.36, 1); /* 墨入宣纸：快入慢收 */
--ease-jade: cubic-bezier(0.45, 0.05, 0.2, 1);
--gold-line: rgba(214, 177, 106, 0.55);
--glass-celadon: linear-gradient(150deg, rgba(168, 208, 216, 0.13) 0%, rgba(20, 34, 42, 0.86) 46%, rgba(8, 13, 18, 0.92) 100%);
--ink-noise: url("data:image/svg+xml;utf8,");
--vh-safe: 100vh;
}
@supports (height: 100dvh) { :root { --vh-safe: 100dvh; } }
/* 金丝流光角度（Chrome / Safari 16.4+ 支持；不支持时为静态金边） */
@property --gold-ang {
syntax: '';
inherits: false;
initial-value: 0deg;
}
@keyframes goldSweep { to { --gold-ang: 360deg; } }
/* ───────────────── 2. 东方古典排版 ───────────────── */
body {
font-kerning: normal;
text-rendering: optimizeLegibility;
-webkit-text-size-adjust: 100%;
line-break: strict;
word-break: normal;
overflow-wrap: break-word;
hanging-punctuation: allow-end;
}
.font-serif-cn,
h1, h2, h3, h4,
.hero-title-gradient,
.modal-content-lg h3 {
font-family: var(--font-serif-cn) !important;
font-feature-settings: 'kern' 1, 'liga' 1;
}
h1, .hero-title-gradient { letter-spacing: 0.18em; line-height: 1.32; font-weight: 700; }
h2 { letter-spacing: 0.14em; line-height: 1.4; text-wrap: balance; }
h3, h4 { letter-spacing: 0.1em; line-height: 1.5; text-wrap: balance; }
/* 正文：两端对齐 + 中文标点避头尾 + 孤字回避 */
p, .text-text-body, .feature-card p {
text-wrap: pretty;
}
.feature-card p, #microscope-desc-card, #3d-model-info p, .modal-content-lg p {
text-align: justify;
text-justify: inter-character;
line-height: 1.85;
letter-spacing: 0.035em;
}
/* 英文 / 数字副标题：宽字距小型大写，营造博物馆图录的西式对仗 */
.font-mono { letter-spacing: 0.14em; font-variant-numeric: tabular-nums; }
.tracking-widest { letter-spacing: 0.22em !important; }
/* 题跋工具类：竖排书法落款，可用于 HTML 中任意短句 … */
.tiba {
font-family: var(--font-kai);
writing-mode: vertical-rl;
text-orientation: upright;
letter-spacing: 0.4em;
line-height: 1.6;
color: var(--gold-accent);
opacity: 0.85;
}
/* 器物考据卡片：标题—副标题—正文三级节奏 */
#3d-model-info h3, #3d-model-info h4 { letter-spacing: 0.12em; }
#3d-model-info .font-serif-cn { font-feature-settings: 'palt' 0; }
/* ───────────────── 3. 毛玻璃 + 金丝流光 + 砚墨暗纹 ───────────────── */
.mode-switch-group,
.lighting-lab-overlay,
.vessel-comparison-dock,
.canvas-quick-toolbar,
.hero-hotspot-tag {
background-image: var(--ink-noise), var(--glass-celadon) !important;
background-blend-mode: soft-light, normal;
background-size: 160px 160px, auto;
backdrop-filter: blur(18px) saturate(150%);
-webkit-backdrop-filter: blur(18px) saturate(150%);
box-shadow:
0 14px 34px rgba(0, 0, 0, 0.42),
0 2px 6px rgba(0, 0, 0, 0.28),
inset 0 1px 0 rgba(255, 255, 255, 0.14),
inset 0 -1px 0 rgba(0, 0, 0, 0.35) !important;
}
.mode-switch-group, .lighting-lab-overlay, .vessel-comparison-dock, .modal-content-lg { position: relative; }
.lighting-lab-overlay, .vessel-comparison-dock { position: absolute; }
/* 金丝流光边框：mask 掏空中间，仅露出 1px 边 */
.mode-switch-group::before,
.lighting-lab-overlay::before,
.vessel-comparison-dock::before,
.modal-content-lg::before {
content: '';
position: absolute;
inset: 0;
border-radius: inherit;
padding: 1px;
background: conic-gradient(from var(--gold-ang),
rgba(214, 177, 106, 0.12) 0deg,
rgba(214, 177, 106, 0.12) 250deg,
rgba(243, 217, 158, 0.95) 300deg,
rgba(214, 177, 106, 0.12) 340deg,
rgba(214, 177, 106, 0.12) 360deg);
-webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
-webkit-mask-composite: xor;
mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
mask-composite: exclude;
animation: goldSweep 9s linear infinite;
pointer-events: none;
z-index: 1;
}
.modal-content-lg { background-image: var(--ink-noise); background-size: 160px; background-blend-mode: soft-light; }
/* feature-card：鼠标跟随的"釉光"高光（由 ui-enhance.js 写入 --mx / --my） */
.feature-card { isolation: isolate; }
.feature-card::after {
content: '';
position: absolute;
inset: 0;
border-radius: inherit;
background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -20%), rgba(214, 177, 106, 0.14), transparent 55%);
opacity: 0;
transition: opacity 0.4s var(--ease-ink);
pointer-events: none;
z-index: 0;
}
.feature-card:hover::after { opacity: 1; }
.feature-card > * { position: relative; z-index: 1; }
/* 模式切换按钮：选中态更像一枚"玉牌" */
.mode-switch-btn { letter-spacing: 0.1em; position: relative; overflow: hidden; }
.mode-switch-btn.active {
background: linear-gradient(160deg, #4a8e9c 0%, #2c6573 55%, #21505c 100%) !important;
box-shadow: 0 3px 14px rgba(90, 156, 168, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.28) !important;
}
/* ───────────────── 4. 朱红印章 ───────────────── */
.hero-seal-stamp,
.seal-stamp {
background:
radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.18), transparent 55%),
linear-gradient(145deg, #c0403a 0%, #9a2a26 55%, #7d1f1c 100%) !important;
color: #fbeed4 !important;
font-family: var(--font-kai) !important;
font-weight: 700;
letter-spacing: 0.2em !important;
border: none !important;
border-radius: 3px !important;
outline: 1px solid rgba(255, 232, 196, 0.55);
outline-offset: -3px;
box-shadow: 0 2px 8px rgba(130, 30, 26, 0.38), inset 0 0 6px rgba(70, 8, 6, 0.55) !important;
transform: rotate(-2.2deg);
text-shadow: 0 0 1px rgba(60, 4, 2, 0.6);
filter: url(#ink-rough); /* 朱砂印泥毛边，滤镜由 ui-enhance.js 注入 */
}
.brand-seal {
border-radius: 6px !important;
background: linear-gradient(145deg, #3f8796, #1d4954) !important;
font-family: var(--font-kai);
}
.brand-seal::after { font-family: var(--font-kai) !important; }
/* ───────────────── 5. 3D 展台 ───────────────── */
.three-canvas-container {
/* 与 three-fx.js 的背景渐变同色系，加载前后无色跳 */
background: radial-gradient(ellipse at 50% 28%, #2b3d44 0%, #16232a 55%, #0b1317 100%) !important;
border: 1px solid rgba(214, 177, 106, 0.5) !important;
box-shadow:
0 24px 60px rgba(8, 16, 20, 0.35),
0 0 0 1px rgba(255, 255, 255, 0.04),
inset 0 0 0 1px rgba(214, 177, 106, 0.12),
inset 0 0 80px rgba(0, 0, 0, 0.55) !important;
touch-action: none; /* 移动端：画布内单指旋转不再被页面滚动抢走 */
-webkit-tap-highlight-color: transparent;
contain: layout paint;
}
/* 暗角：压住四周、聚焦中央器物；胶片颗粒单独一层，极低不透明度 */
.three-canvas-container::after {
content: '';
position: absolute;
inset: 0;
z-index: 2;
pointer-events: none;
background: radial-gradient(ellipse at 50% 46%, transparent 52%, rgba(2, 6, 9, 0.48) 100%);
border-radius: inherit;
}
.three-canvas-container::before {
content: '';
position: absolute;
inset: 0;
z-index: 2;
pointer-events: none;
background: var(--ink-noise) 0 0 / 160px;
opacity: 0.035;
mix-blend-mode: overlay;
border-radius: inherit;
}
.three-canvas-container[data-env="kiln"]::after {
background: radial-gradient(ellipse at 50% 46%, transparent 45%, rgba(40, 8, 2, 0.55) 100%);
}
#three-canvas { touch-action: none; outline: none; }
/* 全屏：用 dvh，消除地址栏伸缩造成的底部空白 / 抖动 */
.three-canvas-container.fullscreen-mode {
height: var(--vh-safe) !important;
height: 100dvh !important;
padding-top: env(safe-area-inset-top);
}
/* 热点标签：外挂式（由 three-fx.js 根据屏幕位置加 hs-left / hs-right），不再压在瓶身上 */
.vessel-3d-hotspot {
padding: 4px 12px 4px 9px;
font-family: var(--font-serif-cn);
letter-spacing: 0.08em;
background-image: var(--glass-celadon) !important;
transition: opacity 0.35s var(--ease-ink), background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
will-change: left, top;
}
.vessel-3d-hotspot.hs-right,
.vessel-3d-hotspot:not(.hs-left) { transform: translate(-12px, -50%); }
.vessel-3d-hotspot.hs-left { flex-direction: row-reverse; padding: 4px 9px 4px 12px; transform: translate(calc(-100% + 12px), -50%); }
.vessel-3d-hotspot.hs-right:hover, .vessel-3d-hotspot:not(.hs-left):hover { transform: translate(-12px, -50%) scale(1.06); }
.vessel-3d-hotspot.hs-left:hover { transform: translate(calc(-100% + 12px), -50%) scale(1.06); }
.vessel-3d-hotspot .pulse-dot { position: relative; flex: none; }
.vessel-3d-hotspot .pulse-dot::after {
content: '';
position: absolute;
inset: -5px;
border-radius: 50%;
border: 1px solid var(--gold-light);
opacity: 0;
animation: hotspotRing 2.6s var(--ease-ink) infinite;
}
@keyframes hotspotRing { 0% { transform: scale(0.4); opacity: 0.9; } 100% { transform: scale(1.7); opacity: 0; } }
/* 窄屏收缩态：仅显示光点，点按 / 悬停 / 聚焦时展开文字 */
.vessel-3d-hotspot.hs-compact { padding: 6px; gap: 0; }
.vessel-3d-hotspot.hs-compact > span:last-child { max-width: 0; overflow: hidden; opacity: 0; transition: max-width 0.35s var(--ease-ink), opacity 0.25s ease, margin 0.3s ease; }
.vessel-3d-hotspot.hs-compact:hover > span:last-child,
.vessel-3d-hotspot.hs-compact:focus-visible > span:last-child { max-width: 220px; opacity: 1; margin-left: 6px; }
.vessel-3d-hotspot.hs-compact:hover, .vessel-3d-hotspot.hs-compact:focus-visible { z-index: 5; }
/* 加载环：天青渐变描边 */
.celadon-pulse-ring {
border: 2px solid rgba(143, 184, 192, 0.18) !important;
border-top-color: #bfe3ea !important;
border-right-color: rgba(229, 200, 136, 0.7) !important;
box-shadow: 0 0 18px rgba(143, 184, 192, 0.25);
}
.three-stage-loader {
background: radial-gradient(circle at 50% 45%, rgba(15, 26, 34, 0.65), rgba(6, 12, 16, 0.80)) !important;
backdrop-filter: blur(6px) !important;
-webkit-backdrop-filter: blur(6px) !important;
pointer-events: none !important;
}
.loader-text { font-family: var(--font-serif-cn); letter-spacing: 0.28em !important; }
/* 提示条：衬线 + 金边 + 自带入场弹性 */
#toast {
top: calc(env(safe-area-inset-top, 0px) + 78px) !important;
font-family: var(--font-serif-cn) !important;
letter-spacing: 0.08em;
max-width: min(92vw, 640px);
text-align: center;
background-image: var(--glass-celadon) !important;
backdrop-filter: blur(14px);
-webkit-backdrop-filter: blur(14px);
}
/* ───────────────── 6. 模态框与 100x 显微镜目镜 ───────────────── */
.modal-backdrop {
background:
radial-gradient(ellipse at 50% 40%, rgba(24, 44, 52, 0.55), rgba(4, 8, 11, 0.86) 75%) !important;
backdrop-filter: blur(14px) saturate(120%);
-webkit-backdrop-filter: blur(14px) saturate(120%);
padding: max(1.25rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}
.modal-content-lg {
max-height: min(88vh, 880px);
max-height: min(88dvh, 880px);
overscroll-behavior: contain;
-webkit-overflow-scrolling: touch;
transform: translateY(22px) scale(0.965);
filter: blur(6px);
opacity: 0;
transition: transform 0.55s var(--ease-ink), opacity 0.35s ease, filter 0.45s ease;
border-radius: 22px;
border-color: rgba(214, 177, 106, 0.45);
}
.modal-backdrop.active .modal-content-lg { transform: none; filter: none; opacity: 1; }
/* 显微镜镜筒：黄铜双环 + 刻度环 + 玻璃反光 + 暗角 */
.microscope-lens-viewport {
width: clamp(250px, 64vw, 340px);
height: clamp(250px, 64vw, 340px);
border: 0 !important;
background: #05090c;
box-shadow:
0 0 0 5px #20272d,
0 0 0 6px rgba(214, 177, 106, 0.85),
0 0 0 10px #0f1418,
0 0 0 11px rgba(214, 177, 106, 0.35),
0 0 0 14px rgba(20, 26, 31, 0.9),
inset 0 0 60px rgba(0, 0, 0, 0.85),
0 22px 46px rgba(0, 0, 0, 0.5) !important;
isolation: isolate;
}
.microscope-lens-viewport::before { /* 刻度环 */
content: '';
position: absolute;
inset: 0;
z-index: 3;
pointer-events: none;
background: repeating-conic-gradient(from -0.4deg, rgba(243, 217, 158, 0.55) 0 0.8deg, transparent 0.8deg 6deg);
-webkit-mask: radial-gradient(circle, transparent 90%, #000 90.5%, #000 95%, transparent 95.5%);
mask: radial-gradient(circle, transparent 90%, #000 90.5%, #000 95%, transparent 95.5%);
opacity: 0.8;
}
.microscope-lens-viewport::after { /* 暗角 + 玻璃反光 */
content: '';
position: absolute;
inset: 0;
z-index: 2;
pointer-events: none;
border-radius: 50%;
background:
linear-gradient(135deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.02) 28%, transparent 42%),
radial-gradient(circle, transparent 58%, rgba(0, 0, 0, 0.55) 100%);
}
.modal-backdrop.active .microscope-lens-viewport { animation: lensIris 0.85s var(--ease-ink) both; }
@keyframes lensIris { from { clip-path: circle(4% at 50% 50%); filter: brightness(2.2); } to { clip-path: circle(75% at 50% 50%); filter: none; } }
#microscope-desc-card, #microscope-preset-tabs button { font-family: var(--font-serif-cn); }
#microscope-preset-tabs button { letter-spacing: 0.08em; transition: all 0.25s var(--ease-ink); }
/* 研学手记 / 命令面板同源质感 */
#study-notebook-panel, #command-palette-panel {
background-image: var(--ink-noise);
background-size: 160px;
background-blend-mode: soft-light;
}
/* ───────────────── 7. 微交互 ───────────────── */
@media (hover: hover) {
.mode-switch-btn:hover, .scene-env-btn:hover, .ambient-btn:hover, .archive-dynasty-btn:hover,
.brush-style-btn:hover, .history-node-btn:hover, .canvas-quick-toolbar button:hover {
transform: translateY(-1.5px);
}
}
.mode-switch-btn, .scene-env-btn, .ambient-btn, .archive-dynasty-btn, .brush-style-btn,
.history-node-btn, .canvas-quick-toolbar button, .model-btn-scroll button, .craft-chapter-btn {
transition: transform 0.28s var(--ease-ink), background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.3s ease !important;
-webkit-tap-highlight-color: transparent;
touch-action: manipulation;
}
.mode-switch-btn:active, .scene-env-btn:active, .ambient-btn:active, .archive-dynasty-btn:active,
.brush-style-btn:active, .history-node-btn:active, .canvas-quick-toolbar button:active,
.model-btn-scroll button:active, .craft-chapter-btn:active {
transform: translateY(1px) scale(0.965) !important;
transition-duration: 0.08s !important;
}
/* 器型按钮被按下 → 瓷器微震颤（纯 CSS 版；3D 侧同时由 ui-enhance.js 触发叩击微震） */
.model-btn-scroll button:active { animation: porcelainTremor 0.32s linear; }
@keyframes porcelainTremor {
0%, 100% { translate: 0 0; } 20% { translate: -1.2px 0; } 40% { translate: 1.2px 0; } 60% { translate: -0.8px 0; } 80% { translate: 0.6px 0; }
}
/* 墨点涟漪 */
.ink-ripple {
position: absolute;
border-radius: 50%;
pointer-events: none;
background: radial-gradient(circle, rgba(243, 217, 158, 0.55) 0%, rgba(168, 208, 216, 0.28) 45%, transparent 70%);
transform: scale(0);
opacity: 0.9;
animation: inkRipple 0.7s var(--ease-ink) forwards;
}
@keyframes inkRipple { to { transform: scale(1); opacity: 0; } }
/* 键盘焦点：金丝环，替代浏览器默认蓝框 */
:focus-visible {
outline: 2px solid var(--gold-light);
outline-offset: 3px;
border-radius: 6px;
}
button:focus-visible, a:focus-visible { box-shadow: 0 0 0 4px rgba(214, 177, 106, 0.25); }
/* 范围滑块：玉质滑轨 */
input[type='range'] { -webkit-appearance: none; appearance: none; height: 4px; border-radius: 4px; background: linear-gradient(90deg, rgba(143, 184, 192, 0.5), rgba(214, 177, 106, 0.6)); outline: none; }
input[type='range']::-webkit-slider-thumb {
-webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
background: radial-gradient(circle at 35% 30%, #fff7e0, #d6b16a 70%);
border: 1px solid rgba(70, 50, 20, 0.5); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
transition: transform 0.2s var(--ease-ink);
}
input[type='range']:active::-webkit-slider-thumb { transform: scale(1.25); }
input[type='range']::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff7e0, #d6b16a 70%); border: 1px solid rgba(70, 50, 20, 0.5); }
/* ───────────────── 8. 移动端沉浸 ───────────────── */
@media (max-width: 768px) {
.three-canvas-container { height: min(74vh, 560px) !important; height: min(74svh, 560px) !important; min-height: 360px; }
.exhibition-mode-bar { top: max(0.6rem, env(safe-area-inset-top)); left: 0.6rem; right: 0.6rem; }
.mode-switch-group { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.mode-switch-group::-webkit-scrollbar { display: none; }
.mode-switch-group { -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); }
.mode-switch-btn { padding: 7px 12px; font-size: 11.5px; } /* 触控目标 ≥ 32px */
.vessel-3d-hotspot { font-size: 10.5px; padding: 3px 10px 3px 8px; }
.vessel-comparison-dock { left: 8px; right: 8px; bottom: max(8px, env(safe-area-inset-bottom)); }
#curator-subtitle-bar { bottom: calc(3.8rem + env(safe-area-inset-bottom)); }
.modal-content-lg { padding: 1.25rem; border-radius: 20px; }
}
@media (max-width: 640px) {
h1, .hero-title-gradient { letter-spacing: 0.1em; }
.tracking-widest { letter-spacing: 0.14em !important; }
}
#navbar { padding-top: env(safe-area-inset-top); }
#back-to-top { bottom: max(26px, calc(env(safe-area-inset-bottom) + 16px)); right: max(20px, env(safe-area-inset-right)); }
.mobile-menu { padding-bottom: max(1.5rem, env(safe-area-inset-bottom)); height: var(--vh-safe); }
.hero-section { min-height: 88vh; min-height: 88svh; }
/* ───────────────── 9. 滚动入场 / 滚动条 / 选区 ───────────────── */
html.js-reveal .reveal-on-scroll {
opacity: 0;
transform: translateY(26px);
filter: blur(4px);
transition: opacity 0.9s var(--ease-ink), transform 0.9s var(--ease-ink), filter 0.9s var(--ease-ink);
transition-delay: var(--reveal-delay, 0s);
}
html.js-reveal .reveal-on-scroll.in-view { opacity: 1; transform: none; filter: none; }
::selection { background: rgba(124, 170, 180, 0.38); color: inherit; }
* { scrollbar-width: thin; scrollbar-color: rgba(124, 170, 180, 0.5) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(124, 170, 180, 0.55), rgba(214, 177, 106, 0.45)); border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }
/* ───────────────── 10. 减少动态偏好 ───────────────── */
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
html.js-reveal .reveal-on-scroll { opacity: 1; transform: none; filter: none; }
}
/* ═════════════ v7.1 全站细节打磨 ═════════════ */
/* 导航：链接不换行；金丝下划线渐显；当前章节高亮（由 ui-enhance.js 写入 .nav-active） */
#navbar a { white-space: nowrap; }
#navbar .xl\:flex a { position: relative; padding: 6px 1px; letter-spacing: 0.01em; }
#navbar .xl\:flex a::after {
content: ''; position: absolute; left: 50%; bottom: 0; width: 0; height: 1.5px;
background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
transition: width 0.4s var(--ease-ink), left 0.4s var(--ease-ink);
}
#navbar .xl\:flex a:hover::after, #navbar .xl\:flex a.nav-active::after { width: 100%; left: 0; }
#navbar .xl\:flex a.nav-active { color: var(--tianqing-deep); font-weight: 600; }
#navbar.scrolled { background: var(--bg-nav); box-shadow: 0 8px 30px rgba(10, 20, 28, 0.14), 0 1px 0 var(--gold-line); }
/* 顶部阅读进度：天青→鎏金 细线 */
#read-progress {
position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 3000;
transform-origin: 0 50%; transform: scaleX(0);
background: linear-gradient(90deg, var(--tianqing), var(--gold-accent) 70%, var(--cinnabar));
box-shadow: 0 0 8px var(--gold-glow); pointer-events: none;
}
/* 主按钮：渐变玉面 + 悬停流光扫过 */
.hero-section a[class*="rounded-full"][class*="bg-tianqing-deep"],
.hero-section a[class*="rounded-full"][class*="bg-amber-700"],
button[class*="bg-tianqing-deep"][class*="rounded-full"] {
position: relative; overflow: hidden; isolation: isolate;
box-shadow: 0 8px 22px rgba(34, 78, 89, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.22);
transition: transform 0.35s var(--ease-ink), box-shadow 0.35s var(--ease-ink);
}
.hero-section a[class*="rounded-full"][class*="bg-tianqing-deep"]::after,
.hero-section a[class*="rounded-full"][class*="bg-amber-700"]::after {
content: ''; position: absolute; inset: 0; z-index: -1;
background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.35) 50%, transparent 65%);
transform: translateX(-120%); transition: transform 0.8s var(--ease-ink);
}
.hero-section a[class*="rounded-full"]:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(34, 78, 89, 0.34); }
.hero-section a[class*="rounded-full"]:hover::after { transform: translateX(120%); }
/* 首屏标题：金色流光缓慢扫过（仅渐变文字，不影响可读性） */
.hero-title-gradient {
background-size: 220% 100%;
animation: titleShimmer 9s ease-in-out infinite alternate;
}
@keyframes titleShimmer { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
/* 章节标签胶囊与分隔装饰：金线描边，更像图录题签 */
section .rounded-full.bg-tianqing-deep[class*="text-xs"],
section span[class*="rounded-full"][class*="bg-tianqing-deep"] {
letter-spacing: 0.16em;
box-shadow: 0 0 0 1px rgba(214, 177, 106, 0.55), 0 6px 16px rgba(34, 78, 89, 0.22);
}
/* 卡片：统一的悬浮高度、金线顶沿与更细的层次阴影 */
.feature-card {
transition: transform 0.5s var(--ease-ink), box-shadow 0.5s var(--ease-ink), border-color 0.4s ease;
box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, var(--shadow-card);
}
@media (hover: hover) {
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, var(--shadow-card-hover); }
}
/* 图片占位：加载前显示天青渐变骨架，而不是一块纯黑 */
.feature-card img, .hero-showcase-stage img {
background: linear-gradient(135deg, #20343b, #0f1b21 60%, #1b2a30);
}
/* 首屏数据卡：悬浮微抬升 + 数字使用衬线等宽 */
.hero-section [class*="rounded-2xl"][class*="shadow"], .hero-section .grid > div { transition: transform 0.45s var(--ease-ink), box-shadow 0.45s var(--ease-ink); }
@media (hover: hover) { .hero-section .grid > div:hover { transform: translateY(-4px); } }
/* 筛选 / 朝代胶囊：选中态加金环 */
.archive-dynasty-btn.active, .history-node-btn.ring-2, .history-node-btn[class*="bg-tianqing-deep"] {
box-shadow: 0 0 0 1.5px var(--gold-accent), 0 6px 16px rgba(34, 78, 89, 0.28);
}
/* 滚动条：改为实色细条，避免在页面右缘形成渐变污迹 */
::-webkit-scrollbar-thumb { background: rgba(124, 170, 180, 0.55); background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(58, 118, 132, 0.8); background-clip: content-box; }
/* 页脚与分隔线：金线渐隐 */
hr, .section-divider { border: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-line), transparent); }
footer { border-top: 1px solid var(--gold-line); }
/* 平板过渡档：1024–1279 隐藏主菜单后，按钮区不拥挤 */
@media (max-width: 1279px) { #navbar .flex.items-center.gap-2 { gap: 0.4rem; } }
/* 1280–1439 宽屏档：主菜单收紧间距并隐藏图标，右侧功能按钮不再被挤出视口 */
@media (min-width: 1280px) and (max-width: 1439px) {
#navbar .xl\:flex { gap: 0.6rem !important; font-size: 11.5px; }
#navbar .xl\:flex a i { display: none; }
}
/* ─── 宋韵典藏卡片微光骨架（彻底根除死黑方块，未加载时呈现文博玉质美感） ─── */
.porcelain-card-skeleton {
background: linear-gradient(120deg, rgba(20, 32, 40, 0.85) 0%, rgba(32, 52, 62, 0.65) 35%, rgba(42, 68, 80, 0.75) 50%, rgba(32, 52, 62, 0.65) 65%, rgba(20, 32, 40, 0.85) 100%) !important;
background-size: 200% 100% !important;
animation: porcelainShimmer 2.4s ease-in-out infinite !important;
position: relative;
}
@keyframes porcelainShimmer {
0% { background-position: 100% 0; }
100% { background-position: -100% 0; }
}
.porcelain-skeleton-icon {
position: absolute;
inset: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: rgba(143, 184, 192, 0.28);
font-size: 26px;
pointer-events: none;
transition: opacity 0.3s ease;
}
/* 展台极简悬浮微状态指示胶囊（绝不遮挡展台器物与光影，彻底告别居中全屏大转圈） */
.three-stage-loader {
inset: auto 20px 20px auto !important;
top: auto !important;
left: auto !important;
bottom: 20px !important;
right: 24px !important;
width: auto !important;
height: auto !important;
padding: 6px 14px !important;
border-radius: 9999px !important;
flex-direction: row !important;
gap: 8px !important;
background: rgba(15, 26, 34, 0.78) !important;
backdrop-filter: blur(10px) !important;
-webkit-backdrop-filter: blur(10px) !important;
border: 1px solid rgba(229, 200, 136, 0.32) !important;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35) !important;
pointer-events: none !important;
z-index: 25 !important;
}
.celadon-pulse-ring {
width: 14px !important;
height: 14px !important;
border-width: 1.5px !important;
margin-bottom: 0 !important;
}
.loader-text {
font-family: var(--font-serif-cn) !important;
letter-spacing: 0.12em !important;
font-size: 11px !important;
color: #e5c888 !important;
}