/**
 * 首页样式 · Klangbrücken 2026
 *
 * 颜色全部取自两张官方设计图：
 *   纸色 + 墨黑 + 铜金（横幅上 KLANG / BRÜCKEN 两个字的颜色）是主色，
 *   中国红只作点缀（中国作品的圆点、地图上的定位点、首屏丝带）。
 * 字体：EB Garamond（与横幅标题同属 Garamond）+ Jost（导航、按钮、小标签）+ 思源宋体子集（中文）。
 * 版式像一本节目册：纸色区块（文字）与夜色区块（舞台、乐团）交替，每节以一条细线和罗马数字开头。
 */

/* ------------------------------------------------------------------ 字体 */
@font-face {
    font-family: 'EB Garamond';
    src: url('../fonts/eb-garamond-latin-wght-normal.woff2') format('woff2');
    font-weight: 400 800;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'EB Garamond';
    src: url('../fonts/eb-garamond-latin-wght-italic.woff2') format('woff2');
    font-weight: 400 800;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'Jost';
    src: url('../fonts/jost-latin-wght-normal.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}
/* 只含本站用字的子集（tools/build_home_assets.py font 生成） */
@font-face {
    font-family: 'Noto Serif SC Site';
    src: url('../fonts/noto-serif-sc-subset.woff2') format('woff2');
    font-weight: 200 900;
    font-display: swap;
}

/* ------------------------------------------------------------------ 设计变量 */
:root {
    --paper: #f8f6f1;
    --paper-2: #efebe2;
    --ink: #0f0e0d;
    --ink-2: #4d4741;
    --ink-3: #6f675f;
    --rule: rgba(15, 14, 13, .16);
    --bronze: #a4661b;          /* 官方横幅 BRÜCKEN 的颜色，只用于大字 */
    --bronze-ink: #8a5312;      /* 小字用的铜色，纸色上对比度 ≥ 4.5 */
    --vermilion: #c8231c;       /* 唯一的点缀色 */

    --night: #0d0b09;
    --on-night: #f3eee6;
    --on-night-2: rgba(243, 238, 230, .72);
    --gold: #d4a45e;            /* 夜色上的铜金（肖像墙的金线） */
    --rule-night: rgba(212, 164, 94, .26);

    --serif: 'EB Garamond', 'Noto Serif SC Site', 'Songti SC', 'STSong', Georgia, serif;
    /* 导航、按钮、小标签：Jost 没有汉字，中文用系统黑体（小字号下比宋体清楚），和拉丁字母的无衬线标签一致 */
    --sans: 'Jost', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
    --cn: 'Noto Serif SC Site', 'Songti SC', 'STSong', serif;

    --gutter: clamp(1.25rem, 4.5vw, 4.5rem);
    --col-gap: clamp(1rem, 2.2vw, 2.25rem);
    /* 各节上下留白分三档：进入“舞台”（夜色）和节目单时留得最大，同一种底色接着往下读时收紧 */
    --section-lg: clamp(5.5rem, 11vw, 10.5rem);
    --section: clamp(4.5rem, 8vw, 8rem);
    --section-sm: clamp(3.5rem, 6vw, 6rem);
    --nav-h: 4.75rem;

    --ease: cubic-bezier(.22, .61, .36, 1);
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .3 0 0 0 0 .26 0 0 0 0 .2 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
}
@media (max-width: 759px) {
    :root { --nav-h: 3.75rem; }
}

/* ------------------------------------------------------------------ 基础 */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-padding-top: var(--nav-h);
    background: var(--night);
}
@media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
}
/* 纸色区块带一层极淡的纸纹（SVG 噪点平铺），像印刷的节目册 */
body {
    background: var(--paper) var(--grain);
    color: var(--ink);
    font: 400 clamp(1.0625rem, .98rem + .3vw, 1.25rem)/1.6 var(--serif);
    font-kerning: normal;
    font-variant-ligatures: common-ligatures;
    overflow-x: hidden;
}
/* 灰阶抗锯齿只用在深色底的浅色字上；纸色底上的深色字用 Mac 默认的渲染，笔画不会变细 */
[data-theme="night"], .nav.is-night, .btn--ink {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
html.menu-open body { overflow: hidden; }
[hidden] { display: none !important; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
address { font-style: normal; }
::selection { background: var(--bronze); color: var(--paper); }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
[data-theme="night"] :focus-visible { outline-color: var(--gold); }

.wrap {
    width: 100%;
    max-width: 1560px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}
.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}
.skip {
    position: fixed;
    top: .75rem; left: .75rem;
    z-index: 100;
    padding: .75rem 1.25rem;
    background: var(--ink);
    color: var(--paper);
    font: 500 .8rem/1 var(--sans);
    letter-spacing: .12em;
    transform: translateY(-200%);
    transition: transform .3s var(--ease);
}
.skip:focus { transform: none; }

/* 小标签：Jost 大写字母、加宽字距（中文不大写、字距更宽） */
.label {
    display: block;
    font: 500 .72rem/1.35 var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-2);
}
:lang(zh) .label, .label:lang(zh) { letter-spacing: .3em; font-weight: 400; }
[data-theme="night"] .label { color: var(--on-night-2); }

.display {
    font-weight: 400;
    font-size: clamp(2.8rem, 6.4vw, 7rem);
    line-height: .98;
    letter-spacing: -.012em;
}
:lang(zh) .display, .display:lang(zh) {
    font-family: var(--cn);
    font-weight: 300;
    font-size: clamp(2.2rem, 5vw, 5.2rem);
    letter-spacing: .06em;
    line-height: 1.2;
}
/* 中文短句的每一段不在中间换行 */
.clause { display: inline-block; }

.dot {
    display: inline-block;
    width: .5rem; height: .5rem;
    border-radius: 50%;
    flex: none;
}
.dot--eu { background: var(--bronze); }
.dot--cn { background: var(--vermilion); }

.icon { flex: none; }

/* ------------------------------------------------------------------ 按钮：直角、细线；悬停时颜色从左向右铺满 */
.btn {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .85rem;
    min-height: 3.25rem;
    padding: 0 1.6rem;
    border: 1px solid currentColor;
    font: 500 .76rem/1.2 var(--sans);
    letter-spacing: .16em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color .5s var(--ease), border-color .5s var(--ease);
}
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .6s var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: scaleX(1); transform-origin: left; }
.btn .icon { transition: transform .5s var(--ease-out); }
.btn:hover .icon { transform: translateX(.2rem); }
:lang(zh) .btn { letter-spacing: .24em; }

.btn--ink { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn--ink::before { background: var(--bronze-ink); }
.btn--ink:hover, .btn--ink:focus-visible { border-color: var(--bronze-ink); }
.btn--line { color: var(--ink); }
.btn--line::before { background: var(--ink); }
.btn--line:hover, .btn--line:focus-visible { color: var(--paper); }
[data-theme="night"] .btn--line { color: var(--on-night); border-color: var(--rule-night); }
[data-theme="night"] .btn--line::before { background: var(--gold); }
[data-theme="night"] .btn--line:hover, [data-theme="night"] .btn--line:focus-visible { color: var(--night); border-color: var(--gold); }
.btn--small { min-height: 2.5rem; padding: 0 1.1rem; font-size: .68rem; letter-spacing: .14em; gap: .5rem; }
/* 预约按钮（btn--shine）每 2 秒有一道白光从左往右扫过，让人一眼看到；在文字下面，系统设置了“减少动态效果”时不扫 */
@media (prefers-reduced-motion: no-preference) {
    .btn--shine::after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: -1;
        background: linear-gradient(105deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, .45) 50%, rgba(255, 255, 255, 0) 70%);
        transform: translateX(-100%);
        animation: shine 2s var(--ease) infinite;
        pointer-events: none;
    }
}
@keyframes shine {
    40%, 100% { transform: translateX(100%); }
}

/* ------------------------------------------------------------------ 每节开头：细线 + 罗马数字 + 两种语言的标题 */
.section-label {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 1.1rem;
    row-gap: .25rem;
    padding-top: 1.1rem;
}
.section-label::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: var(--rule);
    transform-origin: left;
}
.section-label__num {
    font: italic 500 1.05rem/1 var(--serif);
    color: var(--bronze-ink);
    min-width: 2rem;
}
.section-label__text {
    font: 500 .72rem/1.35 var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
}
.section-label__alt {
    font: 400 .82rem/1.35 var(--sans);
    letter-spacing: .3em;
    color: var(--ink-2);
}
.section-label__alt:lang(de) { font: italic 400 .95rem/1.35 var(--serif); letter-spacing: .01em; }
:lang(zh) .section-label__text { letter-spacing: .3em; font-weight: 400; }
[data-theme="night"] .section-label::before { background: var(--rule-night); }
[data-theme="night"] .section-label__num { color: var(--gold); }
[data-theme="night"] .section-label__alt { color: var(--on-night-2); }

/* ------------------------------------------------------------------ 导航 */
/* 左右边距和 .wrap 的内容边缘对齐（宽屏上内容最宽 1560px，导航不再比内容宽出一截） */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 2rem;
    height: var(--nav-h);
    padding-inline: max(var(--gutter), calc((100% - 1560px) / 2 + var(--gutter)));
    color: var(--ink);
    border-bottom: 1px solid transparent;
    transition: background-color .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease);
}
.nav.is-solid { background: var(--paper); border-color: var(--rule); }
.nav.is-night { color: var(--on-night); }
.nav.is-solid.is-night { background: var(--night); border-color: var(--rule-night); }
html.menu-open .nav { background: var(--paper); color: var(--ink); border-color: var(--rule); }

.nav__mark {
    font: 500 1.02rem/1 var(--serif);
    letter-spacing: .05em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s var(--ease), visibility .5s;
}
.nav__mark span + span { margin-left: .22em; color: var(--bronze); }
.nav.is-night .nav__mark span + span { color: var(--gold); }
html.menu-open .nav__mark span + span { color: var(--bronze); }
.nav.is-solid .nav__mark, html.menu-open .nav__mark { opacity: 1; visibility: visible; }

.nav__links {
    display: flex;
    gap: clamp(1.25rem, 2.2vw, 2.5rem);
    margin-left: auto;
    font: 500 .72rem/1 var(--sans);
    letter-spacing: .18em;
    text-transform: uppercase;
}
.nav__links a, .footer__nav a {
    position: relative;
    padding-block: .5rem;
}
.nav__links a::after, .footer__nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: .15rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .5s var(--ease-out);
}
.nav__links a:hover::after, .footer__nav a:hover::after { transform: scaleX(1); transform-origin: left; }
:lang(zh) .nav__links { letter-spacing: .28em; font-weight: 400; }

.nav__tools { display: flex; align-items: center; gap: 1.5rem; }

/* 拨弦声开关：四根细竖线；打开后像琴弦一样轻轻颤动 */
.sound {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    opacity: .68;
    transition: opacity .3s;
}
.sound:hover, .sound[aria-pressed="true"] { opacity: 1; }
.sound__bars { display: inline-flex; align-items: center; gap: 3px; height: .9rem; }
.sound__bars i {
    width: 1.5px;
    height: 100%;
    background: currentColor;
    transform: scaleY(.3);
    transition: transform .5s var(--ease-out);
}
.sound__bars i:nth-child(2), .sound__bars i:nth-child(4) { transform: scaleY(.5); }
html.sound-on .sound__bars i { animation: hum 1.2s var(--ease) infinite alternate; }
html.sound-on .sound__bars i:nth-child(2) { animation-duration: .8s; animation-delay: -.3s; }
html.sound-on .sound__bars i:nth-child(3) { animation-duration: 1s; animation-delay: -.6s; }
html.sound-on .sound__bars i:nth-child(4) { animation-duration: .7s; animation-delay: -.2s; }
@keyframes hum {
    from { transform: scaleY(.25); }
    to { transform: scaleY(1); }
}

.lang {
    display: flex;
    align-items: center;
    font: 500 .72rem/1 var(--sans);
    letter-spacing: .14em;
}
.lang a {
    padding: .5rem .45rem;
    opacity: .68;
    transition: opacity .3s;
}
.lang a + a { border-left: 1px solid currentColor; border-left-color: color-mix(in srgb, currentColor 30%, transparent); }
.lang a:hover, .lang a[aria-current] { opacity: 1; }
.lang a[aria-current] { text-decoration: underline; text-underline-offset: .35em; text-decoration-thickness: 1px; }
.lang a:first-child { padding-left: 0; }

.nav__cta-short { display: none; }
/* 首屏自己的按钮看得见时，导航栏里的同一个按钮先收起来；往下滚动后从右边展开 */
.nav__cta {
    max-width: 22rem;
    transition: color .5s var(--ease), border-color .5s var(--ease), opacity .5s var(--ease), visibility .5s,
        max-width .7s var(--ease-out), padding .7s var(--ease-out), margin .7s var(--ease-out);
}
.nav.is-cta-hidden .nav__cta { max-width: 0; padding-inline: 0; margin-left: -1.5rem; border-width: 0; opacity: 0; visibility: hidden; }
.nav.is-night .nav__cta { background: transparent; border-color: var(--rule-night); color: var(--on-night); }
.nav.is-night .nav__cta::before { background: var(--gold); }
.nav.is-night .nav__cta:hover { color: var(--night); border-color: var(--gold); }
html.menu-open .nav .nav__cta { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.nav__toggle {
    display: none;
    align-items: center;
    gap: .75rem;
    min-height: 2.75rem;
    font: 500 .72rem/1 var(--sans);
    letter-spacing: .18em;
    text-transform: uppercase;
}
.nav__toggle-lines { position: relative; width: 1.5rem; height: .5rem; }
.nav__toggle-lines::before, .nav__toggle-lines::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: currentColor;
    transition: transform .45s var(--ease-out);
}
.nav__toggle-lines::before { top: 0; }
.nav__toggle-lines::after { bottom: 0; }
html.menu-open .nav__toggle-lines::before { transform: translateY(.22rem) rotate(32deg); }
html.menu-open .nav__toggle-lines::after { transform: translateY(-.22rem) rotate(-32deg); }

@media (max-width: 1199px) {
    .nav__links { display: none; }
    .nav__tools { margin-left: auto; }
    .nav__toggle { display: inline-flex; }
}
@media (max-width: 759px) {
    .nav { gap: 1rem; }
    .nav__tools { gap: .9rem; }
    .nav__mark { font-size: .9rem; }
    /* 语言切换直接放在导航栏右侧，不用打开菜单就能看到；能点的范围往上下扩大，分隔竖线还是原来的长度。
       声音开关首屏里也有一个，手机上只有首屏的琴弦会发声，导航栏里就省掉 */
    .nav__tools > .sound { display: none; }
    .nav__tools > .lang a { position: relative; }
    .nav__tools > .lang a::before { content: ''; position: absolute; inset: -.6rem 0; }
    .nav__toggle-text { display: none; }
    .nav__toggle { min-width: 2.75rem; justify-content: center; }
    .nav__cta { min-height: 2.25rem; padding: 0 .85rem; }
    .nav.is-cta-hidden .nav__cta { margin-left: -.9rem; }
    .nav__cta-long { display: none; }
    .nav__cta-short { display: inline; }
}
@media (max-width: 519px) {
    /* 窄手机上字标、语言切换、入场按钮、菜单按钮放不下一行，字标让给语言切换 */
    .nav__mark { display: none; }
}
@media (max-width: 359px) {
    .nav__cta { display: none; }
}

/* 移动端菜单：纸色整屏，大号衬线链接 */
.menu {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: calc(var(--nav-h) + 2.5rem) var(--gutter) calc(2rem + env(safe-area-inset-bottom));
    background: var(--paper);
    color: var(--ink);
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s var(--ease), visibility .45s;
}
html.menu-open .menu { opacity: 1; visibility: visible; }
.menu__links { display: flex; flex-direction: column; }
.menu__links a {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding-block: .55rem;
    border-bottom: 1px solid var(--rule);
    font: 400 clamp(1.9rem, 7.5vw, 3rem)/1.15 var(--serif);
    transform: translateY(.75rem);
    opacity: 0;
    transition: transform .6s var(--ease-out), opacity .6s var(--ease);
}
html.menu-open .menu__links a { transform: none; opacity: 1; }
html.menu-open .menu__links a:nth-child(2) { transition-delay: .04s; }
html.menu-open .menu__links a:nth-child(3) { transition-delay: .08s; }
html.menu-open .menu__links a:nth-child(4) { transition-delay: .12s; }
html.menu-open .menu__links a:nth-child(5) { transition-delay: .16s; }
.menu__num { min-width: 2.5rem; font: italic 500 1rem/1 var(--serif); color: var(--bronze-ink); }
:lang(zh) .menu__links a { font-family: var(--cn); font-weight: 300; letter-spacing: .12em; }
.lang--large { font-size: .85rem; }
.lang--large a { padding: .75rem 1rem; }
.lang--large a:first-child { padding-left: 0; }

/* ------------------------------------------------------------------ 第一屏 */
.hero {
    position: relative;
    display: flex;
    min-height: 100vh;
    min-height: 100svh;
    padding-top: calc(var(--nav-h) + clamp(.5rem, 3vh, 2.5rem));
    padding-bottom: clamp(1.25rem, 4vh, 2.75rem);
    overflow: hidden;
    background: var(--paper) var(--grain);
}
/* 丝带在日期栏上方淡出（--fade 由 home.js 按日期栏的位置设置），不干扰下面的文字 */
.hero__ribbons {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to bottom, #000 calc(var(--fade, 85%) - 5rem), transparent var(--fade, 85%));
    mask-image: linear-gradient(to bottom, #000 calc(var(--fade, 85%) - 5rem), transparent var(--fade, 85%));
}
.hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: auto auto minmax(clamp(8rem, 24vh, 18rem), 1fr) auto;
    column-gap: var(--col-gap);
}

.hero__title { grid-column: 1 / span 11; grid-row: 1; font-weight: 400; }
/* 字标最大到 9.6vw × 1560px（.wrap 的最大宽度），再宽的屏幕上不再变大，否则会伸到右边竖排的“声桥”下面 */
.hero__mark {
    display: block;
    font-size: clamp(3.4rem, 9.6vw, 9.36rem);
    font-weight: 450;
    line-height: .9;
    letter-spacing: -.004em;
    text-transform: uppercase;
    white-space: nowrap;
}
.hero__klang, .hero__bruecken { display: inline-block; }
.hero__bruecken { margin-left: .2em; color: var(--bronze); }

/* 字标下面的副标题：仿官方横幅——黑色常规字 / 一小段铜线 / 铜色大写 */
.hero__sub { display: block; margin-top: clamp(1rem, 2vw, 1.75rem); }
.hero__sub-1 {
    display: block;
    font-size: clamp(1.45rem, 2.5vw, 2.6rem);
    line-height: 1.1;
}
.hero__sub-1::after {
    content: '';
    display: block;
    width: 2.5rem;
    height: 1px;
    margin: .55em 0 .5em;
    background: var(--bronze);
}
.hero__sub-2 {
    display: block;
    font-size: clamp(1rem, 1.65vw, 1.6rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--bronze-ink);
}
/* 中文和德文的两行一样大：汉字占满整个字身，看上去比同字号的拉丁字母大，字号小一成 */
.lang-cn .hero__sub-1 { font: 400 clamp(1.3rem, 2.25vw, 2.35rem)/1.1 var(--cn); letter-spacing: .12em; }
.lang-cn .hero__sub-2 { font: 500 clamp(.92rem, 1.5vw, 1.45rem)/1.25 var(--cn); letter-spacing: .2em; }

/* 竖排的中文“声桥 / 中德友好音乐会”（三种语言的页面都一样） */
.hero__aside {
    grid-column: 12;
    grid-row: 1 / span 2;
    justify-self: end;
    display: flex;
    flex-direction: row-reverse;
    gap: .9rem;
    padding-top: .4rem;
}
.hero__aside > span { writing-mode: vertical-rl; }
.hero__aside-big {
    font: 300 clamp(2rem, 3.3vw, 3.6rem)/1 var(--cn);
    letter-spacing: .32em;
}
.hero__aside-small {
    font: 400 clamp(.78rem, .95vw, .95rem)/1 var(--cn);
    letter-spacing: .55em;
    color: var(--ink-3);
    padding-top: .3em;
}

.hero__ensemble {
    grid-column: 1 / span 7;
    grid-row: 2;
    margin-top: clamp(1.5rem, 3.4vh, 2.75rem);
}
.hero__ensemble .label { margin-bottom: .35rem; }
.hero__ensemble-name {
    font-size: clamp(1.3rem, 1.9vw, 1.95rem);
    line-height: 1.15;
}
.hero__ensemble-name em { font-style: normal; color: var(--bronze); font-size: 1.15em; }

.hero__zone { grid-column: 1 / -1; grid-row: 3; }

/* 丝带区域右下角的一行小字：打开声音、提示可以拨弦（浏览器支持网页音频时才显示） */
.hero__sound {
    grid-column: 6 / -1;
    grid-row: 3;
    justify-self: end;
    align-self: end;
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    margin-bottom: .9rem;
    padding-block: .5rem;
    font: 500 .66rem/1.2 var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-2);
    white-space: nowrap;
}
.hero__sound .sound__bars { color: var(--bronze); }
.hero__sound-state { color: var(--bronze-ink); }
.hero__sound-on, html.sound-on .hero__sound-off { display: none; }
html.sound-on .hero__sound-on { display: inline; }
.hero__sound-hint {
    padding-left: .8rem;
    border-left: 1px solid var(--rule);
    font: italic 400 1rem/1.2 var(--serif);
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink-3);
    transition: color .4s var(--ease);
}
.hero__sound:hover .hero__sound-hint { color: var(--ink); }
.hero__sound-hint--touch { display: none; }
@media (hover: none), (pointer: coarse) {
    .hero__sound-hint--fine { display: none; }
    .hero__sound-hint--touch { display: inline; }
}
:lang(zh) .hero__sound { letter-spacing: .3em; font-weight: 400; }
.lang-cn .hero__sound-hint { font: 400 .9rem/1.2 var(--cn); letter-spacing: .12em; }

/* 日期、时间、地点：底部一条细线上的信息栏（仿横幅右下角的粗斜体日期和宽字距地名） */
.hero__facts {
    grid-column: 1 / -1;
    grid-row: 4;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr) auto;
    align-items: end;
    column-gap: clamp(1.5rem, 3.5vw, 4rem);
    padding-top: 1.1rem;
    border-top: 1px solid var(--rule);
}
.hero__fact .label { margin-bottom: .45rem; }
.hero__fact-value { display: block; line-height: 1.1; }
.hero__fact--date .hero__fact-value,
.hero__fact--time .hero__fact-value {
    font-size: clamp(1.5rem, 2.3vw, 2.4rem);
    font-style: italic;
    font-weight: 600;
    white-space: nowrap;
}
.hero__fact--time .hero__fact-value { color: var(--bronze); }
.hero__fact--venue .hero__fact-value {
    font-size: clamp(.95rem, 1.15vw, 1.1rem);
    font-weight: 500;
    letter-spacing: .3em;
    text-transform: uppercase;
}
.hero__fact-note {
    display: block;
    margin-top: .45rem;
    font: 500 .66rem/1.4 var(--sans);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink-3);
}
.lang-cn .hero__fact--date .hero__fact-value { font: 400 clamp(1.4rem, 2vw, 2.1rem)/1.1 var(--cn); letter-spacing: .06em; }
.hero__action { display: flex; flex-direction: column; align-items: flex-end; gap: .6rem; }
.hero__countdown {
    font: italic 400 .95rem/1 var(--serif);
    color: var(--ink-3);
}
.lang-cn .hero__countdown { font: 400 .8rem/1 var(--cn); letter-spacing: .2em; }

@media (max-width: 1099px) {
    .hero__facts { grid-template-columns: auto minmax(0, 1fr) auto; row-gap: 1.4rem; }
    .hero__fact--venue { grid-column: 1 / span 2; grid-row: 2; }
    .hero__action { grid-column: 3; grid-row: 1 / span 2; align-self: end; }
}
@media (max-width: 759px) {
    .hero { padding-top: calc(var(--nav-h) + 1.25rem); }
    /* 手机上声音开关单独占一行，放在丝带下面、日期栏上面 */
    .hero__grid {
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-rows: auto auto minmax(10.5rem, 1fr) auto auto;
        column-gap: 1rem;
    }
    .hero__sound { grid-column: 1 / -1; grid-row: 4; justify-self: start; margin: 0 0 .9rem; white-space: normal; }
    .hero__facts { grid-row: 5; }
    .hero__title { grid-column: 1 / -1; }
    .hero__mark { font-size: 18.2vw; line-height: .88; }
    .hero__klang, .hero__bruecken { display: block; }
    .hero__bruecken { margin-left: 0; }
    .hero__sub { margin-top: 1.1rem; }
    /* 竖排只留“声桥”两个字，放在 KLANG 右边，不压到下一行的 BRÜCKEN */
    .hero__aside { grid-column: 2; grid-row: 1; align-self: start; padding-top: .35rem; }
    .hero__aside-big { font-size: 1.6rem; letter-spacing: .28em; }
    .hero__aside-small { display: none; }
    .hero__ensemble { grid-column: 1 / -1; margin-top: 1.4rem; }
    /* 手机上预约按钮放在日期、时间、地点上面，一打开网页就能看到；细线挪到按钮和日期之间 */
    .hero__facts {
        grid-template-columns: minmax(0, 1fr) auto;
        row-gap: 1.1rem;
        column-gap: 1rem;
        padding-top: 0;
        border-top: 0;
    }
    .hero__fact--date { grid-column: 1; grid-row: 2; }
    .hero__fact--time { grid-column: 2; grid-row: 2; text-align: right; }
    .hero__fact--venue { grid-column: 1 / -1; grid-row: 3; }
    .hero__fact--venue .hero__fact-value { letter-spacing: .2em; }
    .hero__fact-sep { display: none; }
    .hero__fact-academy { display: block; margin-top: .3rem; }
    .hero__action {
        grid-column: 1 / -1;
        grid-row: 1;
        align-items: stretch;
        padding-bottom: 1.1rem;
        border-bottom: 1px solid var(--rule);
    }
    .hero__action .btn { width: 100%; }
    .hero__countdown { text-align: center; }
}
@media (max-width: 399px) {
    /* 很窄的手机上日期和时间放不下一行，分成两行 */
    .hero__aside-big { font-size: 1.15rem; }
    .hero__fact--time { grid-column: 1 / -1; grid-row: 3; text-align: left; }
    .hero__fact--venue { grid-row: 4; }
}

/* 主办单位的会徽（home.js 的 initEmblem）：悬在两组丝带交汇的结上，位置和大小由丝带决定（.is-placed）。
   画布比会徽大一圈（四边各 22%），留出影子和转动时透视变形的地方；只有会徽本身的圆能拖动。
   没有 JS 或不支持 WebGL 时显示一张静态图 */
.hero__emblem {
    position: absolute;
    left: 50%;
    top: 64%;
    z-index: 2;
    width: 16rem;
    height: 16rem;
    margin: -8rem 0 0 -8rem;
    border-radius: 50%;
    cursor: grab;
    touch-action: pan-y;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.hero__emblem.is-placed { left: 0; top: 0; margin: 0; }
.hero__emblem.is-dragging { cursor: grabbing; }
.hero__emblem canvas {
    position: absolute;
    left: -22%;
    top: -22%;
    width: 144%;
    height: 144%;
    max-width: none;            /* 基础样式里 canvas 最宽 100%，不去掉会被横向压扁成椭圆 */
    pointer-events: none;
}
.hero__emblem-flat { display: none; width: 100%; height: 100%; pointer-events: none; }
.no-js .hero__emblem canvas, .hero__emblem.is-flat canvas { display: none; }
.no-js .hero__emblem-flat, .hero__emblem.is-flat .hero__emblem-flat { display: block; }
.no-js .hero__emblem, .hero__emblem.is-flat { cursor: auto; }

/* 第一屏入场：字标从左向右“写”出来，其余文字依次浮现（JS 准备好后加 .is-ready） */
.js .hero [data-rise] {
    opacity: 0;
    transform: translateY(1rem);
    transition: opacity 1.2s var(--ease) calc(.5s + var(--d, 0) * .16s), transform 1.4s var(--ease-out) calc(.5s + var(--d, 0) * .16s);
}
.js .hero__mark[data-rise] { opacity: 1; transform: none; }
.js .hero__klang, .js .hero__bruecken {
    clip-path: inset(-25% 100% -25% 0);
    transition: clip-path 1.7s var(--ease-out) .15s;
}
.js .hero__bruecken { transition-delay: .5s; }
.is-ready .hero [data-rise] { opacity: 1; transform: none; }
.is-ready .hero__klang, .is-ready .hero__bruecken { clip-path: inset(-25% -2% -25% 0); }

/* ------------------------------------------------------------------ 出现动画（通用） */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(1.4rem);
    transition: opacity 1.1s var(--ease) calc(var(--d, 0) * .1s), transform 1.3s var(--ease-out) calc(var(--d, 0) * .1s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .section-label::before { transform: scaleX(0); transition: transform 1.8s var(--ease-out) .1s; }
.js .section-label.is-in::before { transform: scaleX(1); }
.js .section-label[data-reveal] { transform: none; }

/* ------------------------------------------------------------------ I 音乐会介绍 */
.about { padding-block: var(--section) var(--section-sm); }
.about__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
}
.about__label { grid-column: 1 / -1; }
.about__title {
    grid-column: 1 / span 10;
    margin-top: clamp(2.5rem, 6vw, 5.5rem);
    font-style: italic;
    font-size: clamp(3rem, 7.6vw, 8.5rem);
    line-height: .95;
}
.lang-cn .about__title { font-style: normal; }
.about__title-alt {
    grid-column: 12;
    grid-row: 2 / span 2;
    align-self: start;
    justify-self: end;
    margin-top: clamp(2.5rem, 6vw, 5.5rem);
    writing-mode: vertical-rl;
    font: 300 clamp(1.35rem, 2.1vw, 2.2rem)/1 var(--cn);
    letter-spacing: .42em;
    color: var(--ink-3);
}
.about__title-alt:lang(de) { font: italic 400 1.15rem/1 var(--serif); letter-spacing: .04em; }
/* 导语在左栏随正文一起停留（像杂志的引言），正文在右栏 */
.about__lead {
    grid-column: 1 / span 5;
    grid-row: 3;
    align-self: start;
    position: sticky;
    top: calc(var(--nav-h) + 2.5rem);
    margin-top: clamp(2.5rem, 5vw, 4.5rem);
    font-size: clamp(1.4rem, 2vw, 2rem);
    line-height: 1.3;
}
.lang-cn .about__lead { font: 300 clamp(1.25rem, 1.7vw, 1.65rem)/1.7 var(--cn); letter-spacing: .04em; }
.about__body {
    grid-column: 7 / span 5;
    grid-row: 3;
    margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.prose p + p { margin-top: .95em; }
.prose { color: var(--ink-2); hyphens: auto; -webkit-hyphens: auto; }
.prose p:first-child { color: var(--ink); }
.about__body.prose p:first-child::first-letter {
    float: left;
    margin: .08em .1em 0 0;
    font-size: 3.6em;
    line-height: .8;
    color: var(--bronze);
}
.lang-cn .prose { font-family: var(--cn); font-weight: 400; line-height: 2; letter-spacing: .03em; text-align: justify; }
.lang-cn .about__body.prose p:first-child::first-letter { float: none; font-size: inherit; margin: 0; color: inherit; }

@media (max-width: 899px) {
    .about__title { grid-column: 1 / span 11; }
    .about__lead, .about__body { grid-column: 1 / span 11; grid-row: auto; }
    .about__lead { position: static; }
    .about__body { margin-top: 1.75rem; }
}

/* ------------------------------------------------------------------ II 演出乐团（夜色、舞台） */
[data-theme="night"] {
    background: var(--night);
    color: var(--on-night);
}
.ensemble { padding-top: var(--section-lg); }
.ensemble__head {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    align-items: end;
}
.ensemble__head .section-label { grid-column: 1 / -1; }
.ensemble__name {
    grid-column: 1 / span 9;
    margin-top: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 400;
    font-size: clamp(3rem, 8vw, 9.4rem);
    line-height: .92;
    letter-spacing: -.012em;
}
.ensemble__name > span:first-child { display: block; }
.ensemble__name em { font-style: italic; color: var(--gold); padding-left: clamp(0rem, 8vw, 10rem); }
.ensemble__motto {
    grid-column: 10 / span 3;
    padding-bottom: .6rem;
    font-style: italic;
    font-size: clamp(1.1rem, 1.35vw, 1.35rem);
    line-height: 1.35;
    color: var(--on-night-2);
}
.lang-cn .ensemble__motto { font: 400 1.05rem/1.8 var(--cn); letter-spacing: .2em; }

/* 照片墙：照片不动，上面叠一层按格子切开的暗色遮罩（逐格点亮、追光） */
.wall { margin-top: clamp(3rem, 6vw, 5.5rem); }
.wall--tall { display: none; }
.wall__frame {
    position: relative;
    aspect-ratio: var(--ratio);
    background: #000;
    overflow: hidden;
}
.wall__img { width: 100%; height: 100%; object-fit: cover; }
.wall__tiles { position: absolute; inset: 0; }
.wall__tile { position: absolute; }
.wall__tile:not([data-kind="logo"]) {
    background: rgba(8, 6, 4, .78);
    opacity: 0;
    transition: opacity 1.6s var(--ease);
}
.js .wall.is-pending .wall__tile:not([data-kind="logo"]) { opacity: 1; }
.js .wall.is-pending .wall__tile.is-on:not([data-kind="logo"]) { opacity: 0; }
.wall.is-spot .wall__tile:not([data-kind="logo"]) { opacity: .5; transition-duration: .6s; }
.wall.is-spot .wall__tile.is-lit:not([data-kind="logo"]) { opacity: 0; }

/* 乐团标志那一格：照片里是一张模糊的小图，这里用网页文字重排盖住（四周留出金色分隔线），
   版式照官方横幅：小号大写 FRANKFURT，下面 Main Chamber 和铜金色斜体 Soloists；点亮时最后亮起 */
.wall__tile[data-kind="logo"] {
    container-type: size;
    display: grid;
    place-items: center;
    clip-path: inset(1.5px);
    background: radial-gradient(120% 130% at 50% 0%, #21180f 0%, #0d0b09 64%);
}
.wall__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: min(12cqw, 25cqh);
    line-height: 1.02;
    text-align: center;
    color: var(--on-night);
    transition: opacity 1.6s var(--ease);
}
.wall__logo small {
    margin-bottom: .55em;
    padding-left: .42em;
    font: 500 .22em/1 var(--sans);
    letter-spacing: .42em;
    text-transform: uppercase;
    color: var(--on-night-2);
}
.wall__logo em { font-style: italic; color: var(--gold); }
.js .wall.is-pending .wall__logo { opacity: 0; }
.js .wall.is-pending .is-on .wall__logo { opacity: 1; }
.wall.is-spot .wall__tile:not(.is-lit) .wall__logo { opacity: .45; transition-duration: .6s; }
.wall__caption {
    padding-top: 1rem;
    font: 500 .66rem/1.4 var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--on-night-2);
}
@media (max-width: 759px) {
    .wall--wide { display: none; }
    .wall--tall { display: block; }
}

.ensemble__body {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    padding-block: clamp(3.5rem, 7vw, 6.5rem) var(--section);
}
.ensemble__text { grid-column: 1 / span 6; }
[data-theme="night"] .prose { color: var(--on-night-2); }
[data-theme="night"] .prose p:first-child { color: var(--on-night); }
.ensemble__facts { grid-column: 8 / span 5; display: grid; gap: 2.5rem; align-content: start; }
.ensemble__block .label { margin-bottom: .9rem; }
.ensemble__members li {
    padding-block: .65rem;
    border-top: 1px solid var(--rule-night);
    font-size: clamp(1.3rem, 1.7vw, 1.7rem);
    line-height: 1.2;
}
.ensemble__members li:last-child { border-bottom: 1px solid var(--rule-night); }
.ensemble__note { margin-top: .75rem; font-style: italic; color: var(--on-night-2); }
.ensemble__setup { font-size: clamp(1.15rem, 1.4vw, 1.4rem); line-height: 1.45; }
.lang-cn .ensemble__members li, .lang-cn .ensemble__setup { font-family: var(--cn); font-weight: 400; letter-spacing: .08em; }
.lang-cn .ensemble__note { font-style: normal; font-family: var(--cn); font-weight: 400; }

.team { grid-column: 1 / -1; margin-top: clamp(3.5rem, 7vw, 6rem); }
.team > .label { margin-bottom: 1rem; }
/* 两行：发起人张惟然单独一行居中，另外两位在下面左右各占一半 */
.team__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--rule-night);
    text-align: center;
}
.team__row { padding: 1.5rem 1.5rem 1.4rem; }
.team__row:first-child { grid-column: 1 / -1; border-bottom: 1px solid var(--rule-night); }
.team__row:nth-child(3) { border-left: 1px solid var(--rule-night); }
.team__row dt { font-size: clamp(1.45rem, 2.1vw, 2.2rem); line-height: 1.1; }
/* 名字上方的肖像：照片外面隔开一点再框一道金色细线，和照片墙的金线呼应 */
.team__photo {
    display: block;
    width: clamp(8.5rem, 12vw, 11rem);
    margin: .6rem auto 1.6rem;
    outline: 1px solid rgba(212, 164, 94, .55);
    outline-offset: 6px;
}
.team__photo img { width: 100%; height: auto; }
.team__row dd {
    margin-top: .6rem;
    font: 500 .68rem/1.6 var(--sans);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--gold);
}
/* 中文页面的团队名单里只有张惟然是汉字（自动退到思源宋体），拉丁字母名字不加字距 */
:lang(zh) .team__row dd { letter-spacing: .2em; }

@media (max-width: 899px) {
    .ensemble__name { grid-column: 1 / -1; }
    .ensemble__name em { padding-left: 0; }
    .ensemble__motto { grid-column: 1 / -1; margin-top: 1.25rem; padding: 0; max-width: 34ch; }
    .ensemble__text, .ensemble__facts { grid-column: 1 / -1; }
    .ensemble__facts { margin-top: 3rem; }
}
@media (max-width: 559px) {
    /* 手机上下面两位并排放不下，三位都各占一行 */
    .team__list { grid-template-columns: 1fr; }
    .team__row { padding: 1.2rem 0; }
    .team__row:nth-child(3) { border-left: 0; border-top: 1px solid var(--rule-night); }
}

/* ------------------------------------------------------------------ III 演出曲目：印刷节目单 */
.programme { padding-block: var(--section-lg) var(--section-sm); }
.programme__head {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    align-items: end;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.programme__head .section-label { grid-column: 1 / -1; margin-bottom: clamp(2.5rem, 6vw, 5.5rem); }
.programme__head h2 { grid-column: 1 / span 7; }
.programme__meta { grid-column: 9 / span 4; display: grid; gap: .9rem; padding-bottom: .5rem; }
.programme__duration { font-style: italic; font-size: clamp(1.2rem, 1.5vw, 1.5rem); line-height: 1.25; }
.lang-cn .programme__duration { font: 400 1.1rem/1.5 var(--cn); letter-spacing: .12em; }
.programme__legend {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1.5rem;
    font: 500 .68rem/1.4 var(--sans);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ink-3);
}
.programme__legend span { display: inline-flex; align-items: center; gap: .55rem; }
:lang(zh) .programme__legend { letter-spacing: .25em; }

/* 曲目单最后一首下面也画一条线收尾 */
.works { border-bottom: 1px solid var(--rule); }

.work {
    position: relative;
    display: grid;
    grid-template-columns: 4rem minmax(0, 4fr) minmax(0, 7fr);
    column-gap: var(--col-gap);
    padding-block: clamp(1.25rem, 2vw, 1.75rem);
    border-top: 1px solid var(--rule);
}
.work__index { padding-top: .2rem; font: italic 500 1rem/1.4 var(--serif); color: var(--bronze-ink); }
.work__composer {
    position: relative;
    padding-left: 1.2rem;
    font-size: clamp(.95rem, 1.05vw, 1.05rem);
    font-weight: 500;
    line-height: 1.45;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.work__composer .dot { position: absolute; left: 0; top: .5em; }
.work__alt {
    display: block;
    margin-top: .15rem;
    font: 400 .9rem/1.6 var(--cn);
    letter-spacing: .22em;
    text-transform: none;
    color: var(--ink-3);
}
.work__alt:lang(en) { font: italic 400 .95rem/1.5 var(--serif); letter-spacing: .01em; }
.work__title { font-size: clamp(1.3rem, 2vw, 1.95rem); line-height: 1.22; }
.work__detail { display: block; margin-top: .35rem; font-size: clamp(1rem, 1.1vw, 1.12rem); font-style: italic; color: var(--ink-2); }
.lang-cn .work__composer { font-family: var(--cn); font-weight: 400; letter-spacing: .14em; }
.lang-cn .work__title { font: 300 clamp(1.15rem, 1.7vw, 1.6rem)/1.5 var(--cn); letter-spacing: .04em; }
.lang-cn .work__detail { font-family: var(--cn); font-style: normal; font-weight: 400; letter-spacing: .06em; }

/* 悬停：曲目下方的细线像琴弦一样被拨动 */
.work__string {
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 1px;
    background: var(--bronze);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .9s var(--ease-out);
}
.work--cn .work__string { background: var(--vermilion); }
.work:hover .work__string { transform: scaleX(1); }
@media (prefers-reduced-motion: no-preference) {
    .work:hover .work__string { animation: pluck 1.1s linear .35s; }
}
@keyframes pluck {
    0%, 100% { transform: scaleX(1) translateY(0); }
    8% { transform: scaleX(1) translateY(-2px); }
    18% { transform: scaleX(1) translateY(1.6px); }
    28% { transform: scaleX(1) translateY(-1.2px); }
    38% { transform: scaleX(1) translateY(.9px); }
    50% { transform: scaleX(1) translateY(-.6px); }
    62% { transform: scaleX(1) translateY(.35px); }
    76% { transform: scaleX(1) translateY(-.15px); }
}

/* 三组曲目之间换台：留白 + 一小段铜线 */
.works__break { position: relative; height: clamp(2.25rem, 4vw, 3.5rem); border-top: 1px solid var(--rule); }
.works__break::after {
    content: '';
    position: absolute;
    top: 50%; left: calc(4rem + var(--col-gap));
    width: 2.5rem; height: 1px;
    background: var(--bronze);
    opacity: .6;
}

@media (max-width: 899px) {
    .programme__head h2, .programme__meta { grid-column: 1 / -1; }
    .programme__meta { margin-top: 1.75rem; }
    .work { grid-template-columns: 2.5rem minmax(0, 1fr); row-gap: .5rem; }
    .work__title { grid-column: 2; }
    .works__break::after { left: calc(2.5rem + var(--col-gap)); }
}

/* ------------------------------------------------------------------ IV 时间与入场 */
/* 邀请函的投影和暖光只留在夜色区块里，不溢到下面的纸色区块上 */
.admission { padding-block: var(--section); overflow: hidden; }
.admission__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    align-items: start;
}
.admission__label, .venue__label { grid-column: 1 / -1; }
.admission__intro { grid-column: 1 / span 6; }

/* 11 · 11：两个“桥墩”，中间一道拱 */
.pillars {
    display: flex;
    align-items: flex-start;
    margin-top: clamp(2.5rem, 6vw, 5rem);
    color: var(--gold);
}
.pillars__num {
    font-size: clamp(7rem, 16vw, 17rem);
    line-height: .78;
    letter-spacing: -.03em;
}
.pillars__arc {
    width: clamp(4rem, 9vw, 9.5rem);
    height: clamp(2rem, 4.2vw, 4.5rem);
    margin: clamp(.4rem, 1vw, 1rem) clamp(.25rem, .8vw, .9rem) 0;
    overflow: visible;
}
.js .pillars__arc path { stroke-dasharray: 260; stroke-dashoffset: 260; transition: stroke-dashoffset 2.2s var(--ease-out) .5s; }
.js .pillars.is-in .pillars__arc path { stroke-dashoffset: 0; }

.admission__date { margin-top: clamp(1.75rem, 3.5vw, 3rem); font-size: clamp(1.4rem, 2.2vw, 2.2rem); line-height: 1.2; }
.admission__time { font-style: italic; font-weight: 500; font-size: clamp(2.4rem, 4.6vw, 4.8rem); line-height: 1.05; color: var(--gold); }
.lang-cn .admission__date { font: 300 clamp(1.3rem, 2vw, 2rem)/1.4 var(--cn); letter-spacing: .12em; }

/* 邀请函：夜色上的一张请柬——金边（border 用金色渐变）、纸面上一层斜照的光、四周一圈暖光，
   里面是四角内凹的双线框（border-image），文字居中 */
.invite {
    --frame: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' fill='none' stroke='%23a4661b'%3E%3Cpath stroke-opacity='.62' d='M9 1.5H51A9.12 9.12 0 0 0 58.5 9V51A9.12 9.12 0 0 0 51 58.5H9A9.12 9.12 0 0 0 1.5 51V9A9.12 9.12 0 0 0 9 1.5Z'/%3E%3Cpath stroke-opacity='.45' stroke-width='.6' d='M12.5 5H47.5A13.46 13.46 0 0 0 55 12.5V47.5A13.46 13.46 0 0 0 47.5 55H12.5A13.46 13.46 0 0 0 5 47.5V12.5A13.46 13.46 0 0 0 12.5 5Z'/%3E%3Cpath fill='%23a4661b' fill-opacity='.62' stroke='none' d='M3.4 1.6l1.8 1.8-1.8 1.8-1.8-1.8zM56.6 1.6l1.8 1.8-1.8 1.8-1.8-1.8zM56.6 54.8l1.8 1.8-1.8 1.8-1.8-1.8zM3.4 54.8l1.8 1.8-1.8 1.8-1.8-1.8z'/%3E%3C/svg%3E");
    grid-column: 8 / span 5;
    position: relative;
    margin-top: clamp(4.5rem, 9vw, 8rem);
    padding: clamp(2.6rem, 4.2vw, 3.9rem) clamp(2rem, 3.6vw, 3.5rem) clamp(2.4rem, 3.8vw, 3.4rem);
    border: 2px solid transparent;
    background:
        linear-gradient(155deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0) 42%) padding-box,
        var(--grain) padding-box,
        linear-gradient(var(--paper), var(--paper)) padding-box,
        linear-gradient(135deg, #7d5119, #e6c27f 18%, #a4661b 38%, #f3dcab 58%, #9a6223 80%, #d8b06a) border-box;
    color: var(--ink);
    text-align: center;
    box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .95), 0 0 160px rgba(212, 164, 94, .13);
}
.invite::before {
    content: '';
    position: absolute;
    inset: .55rem;
    border: 20px solid transparent;
    border-image: var(--frame) 20 / 20px stretch;
    pointer-events: none;
}
.invite > * { position: relative; }
.invite__label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font: 500 .64rem/1 var(--sans);
    letter-spacing: .34em;
    text-indent: .34em;
    text-transform: uppercase;
    color: var(--bronze-ink);
}
.invite__label::before, .invite__label::after { content: ''; width: 2rem; height: 1px; background: currentColor; opacity: .55; }
.invite__mark { margin-top: 1.7rem; font-size: 1.15rem; font-weight: 500; line-height: 1.2; letter-spacing: .16em; text-indent: .16em; text-transform: uppercase; }
.invite__mark span + span { margin-left: .3em; color: var(--bronze); }
.invite__sub { margin-top: .45rem; font-style: italic; font-size: 1rem; line-height: 1.35; color: var(--ink-2); }
/* 两个小圆点是桥墩，中间一道拱，和左边的 11 ⌒ 11 呼应 */
.invite__bridge { width: 7.5rem; margin: 1.35rem auto 0; overflow: visible; }
.invite__bridge path { fill: none; stroke: var(--bronze); stroke-width: 1; vector-effect: non-scaling-stroke; }
.invite__bridge circle { fill: var(--bronze); }
.invite__title {
    max-width: 22ch;
    margin: 1.2rem auto 0;
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.75rem, 2.6vw, 2.5rem);
    line-height: 1.1;
    text-wrap: balance;
}
.invite__rows { margin-top: 2rem; }
.invite__rows > div + div { margin-top: 1.4rem; }
.invite__rows > .invite__time { margin-top: .1rem; }
.invite__rows dd { font-size: 1.12rem; line-height: 1.4; }
.invite__rows dd span { display: block; margin-top: .15rem; font-size: .9rem; color: var(--ink-3); }
.invite__rows dd a { text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
.invite__time dd { font-style: italic; font-weight: 500; font-size: 1.6rem; line-height: 1.2; color: var(--bronze); }
.invite__venue strong { display: block; font-weight: 500; font-size: .95rem; letter-spacing: .3em; text-indent: .3em; text-transform: uppercase; }
.invite__duration dd { font-style: italic; font-size: 1rem; color: var(--ink-2); }
.invite__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: 2.1rem; }
.invite .btn--line { color: var(--ink); border-color: var(--ink); }
.invite .btn--line::before { background: var(--ink); }
.invite .btn--line:hover, .invite .btn--line:focus-visible { color: var(--paper); border-color: var(--ink); }
.invite :focus-visible { outline-color: var(--bronze); }

.lang-cn .invite__label { font-weight: 400; letter-spacing: .6em; text-indent: .6em; }
.lang-cn .invite__sub { font: 400 1rem/1.5 var(--cn); letter-spacing: .32em; text-indent: .32em; }
.lang-cn .invite__title { font: 400 clamp(1.45rem, 2vw, 1.95rem)/1.45 var(--cn); letter-spacing: .14em; }
.lang-cn .invite__rows dd { font-family: var(--cn); font-weight: 400; letter-spacing: .06em; }
.lang-cn .invite__time dd { font: italic 500 1.6rem/1.2 var(--serif); letter-spacing: 0; }
/* 地点全是拉丁字母，中文页面上也用 EB Garamond；中文没有斜体，时长不倾斜 */
.lang-cn .invite__venue dd { font-family: var(--serif); font-weight: 400; letter-spacing: 0; }
.lang-cn .invite__duration dd { font-style: normal; }

@media (max-width: 1099px) {
    .admission__intro { grid-column: 1 / span 7; }
    .invite { grid-column: 8 / span 5; }
}
@media (max-width: 899px) {
    .admission__intro, .invite { grid-column: 1 / -1; }
    .invite { margin-top: 3.5rem; }
}
@media (max-width: 479px) {
    .invite { padding-inline: 1.6rem; }
}

/* ------------------------------------------------------------------ V 演出地点 */
.venue { padding-top: var(--section); }
.venue__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    align-items: start;
}
.venue__info { grid-column: 1 / span 5; align-self: stretch; display: flex; flex-direction: column; align-items: flex-start; }
.venue__name { margin-top: clamp(2.5rem, 6vw, 5.5rem); }
.venue__academy {
    margin-top: 1rem;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--ink-2);
}
.venue__address { margin: auto 0 1.75rem; padding-top: 2.5rem; font-size: clamp(1.2rem, 1.5vw, 1.45rem); line-height: 1.4; }

/* 地图：先显示一张用 OpenStreetMap 数据画的小地图（tools/build_venue_map.py 生成，直接嵌在页面里，不连任何地图服务），
   像节目册里印的那种：建筑是浅灰的块，街道是细线，Casals Forum 用铜色标出，周围一圈圈“声波”向外扩散；
   访客点击后才加载 Google 地图 */
.map {
    grid-column: 7 / span 6;
    margin-top: clamp(2.5rem, 6vw, 5.5rem);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--paper-2);
    border: 1px solid var(--rule);
}
.map__stage { position: relative; aspect-ratio: 16 / 11; overflow: hidden; }
.vm { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; }
.vm path, .vm circle { vector-effect: non-scaling-stroke; }
.vm-green { fill: rgba(96, 88, 52, .07); }
.vm-water { fill: rgba(52, 74, 88, .1); }
.vm-buildings { fill: rgba(15, 14, 13, .09); }
.vm-platforms { fill: rgba(15, 14, 13, .14); }
.vm-paths, .vm-minor, .vm-major, .vm-rail, .vm-rail-ties { fill: none; stroke: var(--ink); stroke-linecap: round; stroke-linejoin: round; }
.vm-paths { stroke-opacity: .22; stroke-width: .6; stroke-dasharray: 1.5 2.5; }
.vm-minor { stroke-opacity: .3; stroke-width: 1; }
.vm-major { stroke-opacity: .5; stroke-width: 1.8; }
.vm-rail { stroke-opacity: .55; stroke-width: 1; }
.vm-rail-ties { stroke-opacity: .55; stroke-width: 5; stroke-dasharray: 1 7; stroke-linecap: butt; }
.vm-forum { fill: var(--bronze); stroke: var(--paper-2); stroke-width: 1; }
.vm-waves circle {
    fill: none;
    stroke: var(--bronze);
    stroke-opacity: .3;
    transform-box: fill-box;
    transform-origin: center;
}
@media (prefers-reduced-motion: no-preference) {
    .vm-waves circle { animation: ring 7s var(--ease) infinite; animation-delay: calc(var(--i) * -1.75s); }
}
@keyframes ring {
    0% { transform: scale(.75); stroke-opacity: 0; }
    35% { stroke-opacity: .42; }
    100% { transform: scale(1.2); stroke-opacity: 0; }
}
.vm-station { fill: var(--paper-2); stroke: var(--ink); stroke-width: 1.5; }
/* 地图上的字：外面描一圈底色，压在街道上也看得清 */
.vm text {
    paint-order: stroke;
    stroke: var(--paper-2);
    stroke-width: 5px;
    stroke-linejoin: round;
    fill: var(--ink);
}
.vm-label--forum { font: italic 500 25px/1 var(--serif); }
.vm-label--station { font: 500 13px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; fill: var(--ink-2); }
.vm-line { fill: var(--bronze-ink); font-weight: 600; letter-spacing: .06em; }
.vm-scale path, .vm-north path { fill: none; stroke: var(--ink); stroke-opacity: .6; stroke-width: 1; }
.vm-north path { fill: var(--ink); fill-opacity: .6; stroke: none; }
.vm-scale text, .vm-north text { font: 500 12px/1 var(--sans); letter-spacing: .12em; fill: var(--ink-3); }
.map__coords {
    position: absolute;
    top: .9rem; left: 1.1rem;
    font-style: italic;
    font-size: .92rem;
    color: var(--ink-3);
}
.map__credit {
    position: absolute;
    right: .9rem; bottom: .7rem;
    font: 400 .62rem/1.3 var(--sans);
    letter-spacing: .06em;
    color: var(--ink-3);
}
.map__credit:hover { color: var(--ink); text-decoration: underline; text-underline-offset: .2em; }
.map__consent {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--rule);
}
.map__consent p { max-width: 40ch; font-size: .82rem; line-height: 1.4; color: var(--ink-3); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
/* 加载后地图占据取景框的位置 */
.map.is-loaded .map__stage > *, .map.is-loaded .map__consent { display: none; }

@media (max-width: 899px) {
    .venue__info, .map { grid-column: 1 / -1; }
    .venue__address { margin-top: 0; padding-top: 1.75rem; }
    .map { margin-top: 3rem; }
    .map__stage { aspect-ratio: 1; }
    /* 正方形的地图只显示中间 620 米，比例尺和指北针往里挪 */
    .vm-corner--sw { transform: translateX(124px); }
    .vm-corner--ne { transform: translateX(-124px); }
    .map__consent { flex-direction: column; align-items: flex-start; gap: .75rem; }
}

/* ------------------------------------------------------------------ VI 主办、支持与赞助单位 */
.partners { padding-block: var(--section-sm) var(--section); }
.tier {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--col-gap);
    margin-top: clamp(2.5rem, 5vw, 4rem);
}
.tier__label { grid-column: 1 / span 3; padding-top: .3rem; }
/* 各家标志颜色、风格都不一样，统一成墨色单色，按看上去一样大排齐；鼠标移上去才显示原来的颜色（手机、平板上没法悬停，直接显示彩色） */
.tier__list {
    grid-column: 4 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
    gap: 2.5rem 2rem;
}
.partner, .partner__link { display: flex; flex-direction: column; align-items: center; gap: .9rem; text-align: center; }
.partner__link { width: 100%; }
.partner__logo { display: flex; align-items: center; justify-content: center; width: 100%; height: 6rem; }
.partner img {
    width: auto;
    height: var(--size, 4rem);
    max-width: 88%;
    object-fit: contain;
    mix-blend-mode: multiply;
    filter: grayscale(1) contrast(1.2);
    opacity: .66;
    transition: filter .7s var(--ease), opacity .7s var(--ease);
}
.partner:hover img, .partner__link:focus-visible img { filter: none; opacity: 1; }
@media (hover: none), (pointer: coarse) {
    .partner img { filter: none; opacity: 1; }
}
.partner__name { max-width: 24ch; font-size: .92rem; line-height: 1.35; color: var(--ink-2); text-wrap: balance; }
.lang-cn .partner__name { font: 400 .88rem/1.6 var(--cn); letter-spacing: .06em; word-break: keep-all; }
.partner__link:hover .partner__name, .partner__link:focus-visible .partner__name { color: var(--ink); text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
@media (max-width: 899px) {
    .tier__label, .tier__list { grid-column: 1 / -1; }
    .tier__list { margin-top: 1.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.25rem 1.5rem; }
    .partner__logo { height: 5rem; }
    .partner img { height: calc(var(--size, 4rem) * .82); }
}

/* ------------------------------------------------------------------ 页脚 */
.footer {
    overflow: hidden;
    padding-top: clamp(4rem, 9vw, 8rem);
}
/* 页脚大字标和内容同宽（最宽 1560px），宽屏上不再撑满整个屏幕 */
.footer__mark {
    display: flex;
    align-items: flex-start;
    font-size: min(10.2vw, 159px);
    font-weight: 450;
    line-height: .8;
    letter-spacing: -.01em;
    text-transform: uppercase;
    white-space: nowrap;
}
.footer__mark span:nth-child(2) { margin-left: .18em; color: var(--gold); }
.footer__mark-alt {
    margin-left: .35em;
    writing-mode: vertical-rl;
    font: 300 max(.9rem, min(1.35vw, 21px))/1 var(--cn);
    letter-spacing: .5em;
    color: var(--on-night-2);
}
.footer__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 5fr) auto;
    gap: 2rem var(--col-gap);
    align-items: center;
    margin-top: clamp(3rem, 6vw, 5rem);
    padding-block: 2rem;
    border-top: 1px solid var(--rule-night);
}
.footer__org { display: flex; align-items: center; gap: 1rem; }
.footer__org img { width: 3rem; height: 3rem; flex: none; }
.footer__org span { display: flex; flex-direction: column; gap: .25rem; font: 500 .66rem/1.4 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--on-night-2); }
.footer__org strong { font: 400 1.1rem/1.25 var(--serif); letter-spacing: 0; text-transform: none; color: var(--on-night); }
.footer__nav { display: flex; flex-wrap: wrap; gap: .25rem 1.75rem; font: 500 .7rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--on-night-2); }
.footer__nav a:hover { color: var(--on-night); }
:lang(zh) .footer__nav { letter-spacing: .28em; }
.footer__side { display: flex; align-items: center; gap: 2rem; }
.footer__top { font: 500 .7rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--gold); white-space: nowrap; }
.footer__base {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem 2rem;
    padding-top: 1.25rem;
    padding-bottom: calc(1.75rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--rule-night);
    font: 400 .72rem/1.4 var(--sans);
    letter-spacing: .12em;
    color: var(--on-night-2);
}
.footer__legal { display: flex; gap: 1.75rem; }
.footer__legal a:hover { color: var(--on-night); }
@media (max-width: 999px) {
    .footer__grid { grid-template-columns: 1fr; }
    .footer__side { justify-content: space-between; }
}
@media (max-width: 759px) {
    .footer__mark { flex-wrap: wrap; font-size: 18vw; line-height: .86; }
    .footer__mark span:nth-child(2) { margin-left: 0; }
    .footer__mark span:nth-child(-n+2) { flex-basis: 100%; }
    .footer__mark-alt { writing-mode: horizontal-tb; margin: 1.25rem 0 0; font-size: .95rem; }
}

/* ------------------------------------------------------------------ 减少动态效果：所有内容直接显示 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: .01ms !important; transition-delay: 0s !important; animation: none !important; }
    .js [data-reveal], .js .hero [data-rise] { opacity: 1; transform: none; }
    .js .hero__klang, .js .hero__bruecken { clip-path: none; }
    .js .section-label::before { transform: none; }
    .js .pillars__arc path { stroke-dashoffset: 0; }
}

@media print {
    .nav, .menu, .hero__ribbons, .hero__sound, .hero__emblem, .map, .skip { display: none !important; }
    [data-theme="night"] { background: #fff; color: #000; }
}