/* ============================================================
   踏破腐朽 — 影像馆 THE FILM VAULT
   骨相取自 wildmind.agency：整宽纯色 section 顺序硬切（黑↔纸色），
   12列网格 + vw 流体字号 + 标题逐行揭示；血肉是自己的——
   毛笔巨字、时间码结构、印泥红角点、流体墨水开场。
   配色接全站体系：纸色=var(--paper-bg)、强调=var(--purple)，
   换行色时本页自动联动；黑色是本页的固有底，不随主题走。
   ============================================================ */

@font-face {
    font-family: "LogoBrush";
    src: url("assets/fonts/pangmen-cushu-site.woff2?v=3") format("woff2");
    font-display: swap;
}
@font-face {
    font-family: "BrushXia";
    src: url("assets/fonts/xiaxingkai-site.woff2?v=3") format("woff2");
    font-display: swap;
}
@font-face {
    font-family: "BrushHonglei";
    src: url("assets/fonts/honglei-site.woff2?v=3") format("woff2");
    font-display: swap;
}
@font-face {
    font-family: "BrushDongfang";
    src: url("assets/fonts/dongfangdakai-site.woff2?v=3") format("woff2");
    font-display: swap;
}
html[data-brush="xia"] { --font-brush: "BrushXia", "Noto Sans SC", sans-serif; --brush-stroke: .032em; }
html[data-brush="honglei"] { --font-brush: "BrushHonglei", "Noto Sans SC", sans-serif; --brush-stroke: .03em; }
html[data-brush="dongfang"] { --font-brush: "BrushDongfang", "Noto Sans SC", sans-serif; --brush-stroke: 0px; }

:root {
    --paper-bg: #f4f3eb;
    --dark-bg: #0a0a0c;
    --purple: #6a15ff;
    --seal-red: #b3402a;
    --vault-black: #0a0a0c;          /* 本页固有黑，不随主题变 */
    --cream: var(--paper-bg);
    --ink-on-cream: #0e0e0c;
    --font-sans: "Hanken Grotesk", "Noto Sans SC", -apple-system, sans-serif;
    --font-cn: "Noto Sans SC", "Hanken Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", "Noto Sans SC", monospace;
    --font-brush: "LogoBrush", "Noto Sans SC", sans-serif;
    --brush-stroke: 0px;
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --gut: 4vw;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    background: var(--vault-black);   /* wildmind 手法：兜底黑，section 不涂色即露黑 */
    color: var(--cream);
}
body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--purple); color: var(--cream); }
a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ---------- 12列网格容器（贯穿全页的版心） ---------- */
.vgrid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2.5vw;
    padding: 0 var(--gut);
}

/* ---------- 时间码眉标：本页的结构语言 ---------- */
.tc {
    font-family: var(--font-mono);
    font-size: clamp(11px, .85vw, 13px);
    letter-spacing: .22em;
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    padding: clamp(20px, 2.4vw, 40px) var(--gut);
    opacity: .82;
}
.tc .rec { color: var(--seal-red); }
.tc .rec::before { content: "● "; animation: recblink 2.4s steps(2) infinite; }
@keyframes recblink { 50% { opacity: .25; } }

/* ---------- 固定导航（mix-blend 反色，wildmind 同款） ---------- */
.vnav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 900;
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px var(--gut);
    color: var(--cream);
    mix-blend-mode: difference;
}
.vnav-brand {
    font-family: var(--font-brush); font-weight: 400;
    font-size: clamp(22px, 2vw, 30px); letter-spacing: .06em;
    -webkit-text-stroke: var(--brush-stroke, 0px) currentColor;
    text-decoration: none; line-height: 1;
}
.vnav-links { display: flex; gap: clamp(14px, 2.4vw, 34px); font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; }
.vnav-links a { text-decoration: none; opacity: .85; transition: opacity .2s; }
.vnav-links a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 5px; }
@media (max-width: 640px) { .vnav-links a.hidemobile { display: none; } }

/* ============================================================
   TC 00:00 — 开场（黑）：流体墨水 + 毛笔巨字
   ============================================================ */
.vhero {
    position: relative;
    min-height: 100svh;
    display: flex; flex-direction: column; justify-content: flex-end;
    background: var(--vault-black);
    color: var(--cream);
    overflow: clip;
}
.vhero #fluidCanvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: .9; }
.vhero-core { position: relative; z-index: 1; padding: 0 var(--gut) 7vh; pointer-events: none; }
.vhero-title {
    font-family: var(--font-brush); font-weight: 400;
    font-size: clamp(72px, 16.5vw, 300px);
    line-height: 1.02; letter-spacing: .02em;
    -webkit-text-stroke: var(--brush-stroke, 0px) currentColor;
    white-space: nowrap;
}
.vhero-title i { font-style: normal; color: var(--purple); }
.vhero-sub {
    margin-top: 2.6vh;
    display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap;
    font-size: clamp(13px, 1.15vw, 17px); line-height: 1.8;
    max-width: 100%;
}
.vhero-sub .cn { max-width: 34em; opacity: .88; }
.vhero-sub .en { font-family: var(--font-mono); font-size: clamp(10px, .8vw, 12px); letter-spacing: .2em; opacity: .55; text-align: right; }
.vhero .tc { position: absolute; top: 54px; left: 0; right: 0; z-index: 1; }

/* ============================================================
   TC 00:32 — 为什么拍（纸色，硬切）
   ============================================================ */
.vsec { padding: clamp(64px, 9vw, 150px) 0; }
.vsec.on-cream { background: var(--cream); color: var(--ink-on-cream); }
.vsec .tc { padding-left: var(--gut); padding-right: var(--gut); padding-top: 0; }

.vstate { grid-column: 1 / 11; }
.vstate-title {
    font-family: var(--font-sans); font-weight: 800;
    font-size: clamp(38px, 6vw, 108px);
    line-height: 1.02; letter-spacing: -.015em;
    text-transform: uppercase;
}
.vstate-title .cn {
    font-family: var(--font-brush); font-weight: 400; letter-spacing: .03em;
    -webkit-text-stroke: var(--brush-stroke, 0px) currentColor;
}
.vstate-title em { font-style: italic; color: var(--purple); }
.vcopy {
    grid-column: 7 / 12; margin-top: clamp(28px, 4vw, 64px);
    font-size: clamp(14px, 1.3vw, 18px); line-height: 2;
}
.vcopy .mono { font-family: var(--font-mono); font-size: .78em; letter-spacing: .16em; opacity: .6; display: block; margin-bottom: 14px; }
@media (max-width: 900px) { .vstate { grid-column: 1 / -1; } .vcopy { grid-column: 1 / -1; } }

/* ---------- 词语跑马灯（纸色内，CSS 动画，无 JS 逐帧） ---------- */
.vmarquee {
    overflow: clip; white-space: nowrap;
    border-top: 1px solid color-mix(in srgb, currentColor 22%, transparent);
    border-bottom: 1px solid color-mix(in srgb, currentColor 22%, transparent);
    padding: clamp(14px, 1.6vw, 26px) 0;
    margin-top: clamp(48px, 7vw, 120px);
    font-family: var(--font-sans); font-weight: 800;
    font-size: clamp(22px, 2.8vw, 46px); letter-spacing: .06em;
    text-transform: uppercase;
}
.vmarquee .chunk { display: inline-block; padding-right: 3vw; animation: vmq 26s linear infinite; }
.vmarquee .chunk i { font-style: normal; color: var(--seal-red); padding: 0 1.2vw; font-size: .5em; vertical-align: .5em; }
@keyframes vmq { to { transform: translateX(-100%); } }

/* ============================================================
   TC 01:24 — 三支主打（黑，隐式露底）
   ============================================================ */
.vfeat-list { display: grid; gap: clamp(28px, 4vw, 60px); grid-column: 1 / -1; }
.vfeat {
    position: relative;
    display: grid; grid-template-columns: repeat(12, 1fr); gap: 2.5vw;
    align-items: center;
    border: 1px dashed color-mix(in srgb, var(--cream) 34%, transparent);
    border-radius: clamp(16px, 1.8vw, 26px);
    padding: clamp(18px, 2.6vw, 44px);
    cursor: pointer;
    transition: border-color .3s;
}
.vfeat:hover { border-color: color-mix(in srgb, var(--cream) 65%, transparent); }
.vfeat .dot { /* 印泥红四角点（wildmind 服务卡的角点，换成自家印泥红） */
    position: absolute; width: 7px; height: 7px; border-radius: 50%;
    background: var(--seal-red);
    transition: transform .3s var(--ease-out);
}
.vfeat .dot.tl { top: -4px; left: -4px; } .vfeat .dot.tr { top: -4px; right: -4px; }
.vfeat .dot.bl { bottom: -4px; left: -4px; } .vfeat .dot.br { bottom: -4px; right: -4px; }
.vfeat:hover .dot { transform: scale(1.7); }
.vfeat-media { grid-column: 1 / 8; overflow: clip; aspect-ratio: 16 / 9; border-radius: clamp(12px, 1.3vw, 20px); }
.vfeat-media { background: var(--purple); } /* 主题色丝网印底，随行色联动（主页同款） */
.vfeat-media img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(1) contrast(1.12) brightness(1.06);
    mix-blend-mode: multiply;
    transition: filter .5s, transform .8s var(--ease-out);
    will-change: transform;
}
.vfeat:hover .vfeat-media img { filter: none; mix-blend-mode: normal; transform: scale(1.04); }
.vfeat-info { grid-column: 8 / 13; }
.vfeat-no { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--seal-red); }
.vfeat-title {
    font-family: var(--font-brush); font-weight: 400;
    font-size: clamp(30px, 3.6vw, 58px); line-height: 1.2; margin: 10px 0 4px;
    -webkit-text-stroke: var(--brush-stroke, 0px) currentColor;
}
.vfeat-en { font-family: var(--font-mono); font-size: 11px; letter-spacing: .26em; opacity: .55; text-transform: uppercase; }
.vfeat-flavor { margin-top: 16px; font-size: clamp(13px, 1.05vw, 16px); line-height: 1.9; opacity: .8; max-width: 30em; }
.vfeat-play {
    margin-top: 20px; display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em;
}
.vfeat-play b { width: 34px; height: 34px; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; font-weight: 400; transition: background .25s, color .25s; }
.vfeat:hover .vfeat-play b { background: var(--purple); border-color: var(--purple); color: var(--cream); }
@media (max-width: 900px) {
    .vfeat { grid-template-columns: 1fr; }
    .vfeat-media, .vfeat-info { grid-column: 1 / -1; }
}

/* ============================================================
   TC 03:47 — 片库全集（纸色）
   ============================================================ */
.vchips { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: clamp(24px, 3vw, 44px); }
.vchip {
    border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
    background: transparent; border-radius: 999px;
    font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em;
    padding: 8px 18px; cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
}
.vchip:hover { border-color: currentColor; }
.vchip.active { background: var(--ink-on-cream); color: var(--cream); border-color: var(--ink-on-cream); }
.varchive { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 2vw; }
.vcard { cursor: pointer; }
.vcard.hide { display: none; }
.vcard-media { overflow: clip; aspect-ratio: 16 / 10; position: relative; border-radius: clamp(10px, 1.1vw, 16px); }
.vcard-media { background: var(--purple); } /* 主题色丝网印底，随行色联动 */
.vcard-media img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(1) contrast(1.12) brightness(1.06);
    mix-blend-mode: multiply;
    transition: filter .45s, transform .7s var(--ease-out);
}
.vcard:hover .vcard-media img { filter: none; mix-blend-mode: normal; transform: scale(1.05); }
.vcard-media::after {
    content: "▶"; position: absolute; right: 10px; bottom: 10px;
    width: 30px; height: 30px; display: grid; place-items: center;
    font-size: 10px; border-radius: 50%;
    background: color-mix(in srgb, var(--vault-black) 72%, transparent); color: var(--cream);
    opacity: 0; transform: translateY(6px);
    transition: opacity .3s, transform .3s var(--ease-out);
}
.vcard:hover .vcard-media::after { opacity: 1; transform: none; }
.vcard-meta { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; padding-top: 10px; }
.vcard-title { font-size: 14.5px; font-weight: 500; line-height: 1.5; }
.vcard-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; opacity: .55; flex: none; }

/* ============================================================
   尾声（黑）：巨字 + 去处
   ============================================================ */
.vend { text-align: center; padding-bottom: 4vh; }
.vend-giant {
    font-family: var(--font-brush); font-weight: 400;
    font-size: clamp(72px, 17vw, 300px); line-height: 1.05;
    letter-spacing: .01em; white-space: nowrap;
    -webkit-text-stroke: var(--brush-stroke, 0px) currentColor;
}
.vend-giant i { font-style: normal; color: var(--purple); }
.vend-links {
    display: flex; justify-content: center; gap: clamp(18px, 4vw, 60px); flex-wrap: wrap;
    margin-top: clamp(28px, 4vw, 56px);
    font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .16em;
}
.vend-links a { text-decoration: none; border-bottom: 1px solid color-mix(in srgb, currentColor 35%, transparent); padding-bottom: 6px; transition: border-color .25s, color .25s; }
.vend-links a:hover { color: var(--purple); border-color: var(--purple); }
.vend-meta { margin-top: clamp(36px, 5vw, 70px); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .18em; opacity: .5; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 0 var(--gut); }

/* ---------- 视频弹层（同主页机制：手机自动换手机版播放器） ---------- */
.video-modal {
    position: fixed; inset: 0; z-index: 2000;
    display: grid; place-items: center;
    background: color-mix(in srgb, var(--vault-black) 88%, transparent);
    opacity: 0; pointer-events: none; transition: opacity .35s;
}
.video-modal.open { opacity: 1; pointer-events: auto; }
.vm-close {
    position: absolute; top: 20px; right: 24px;
    background: transparent; border: 1px solid color-mix(in srgb, var(--cream) 40%, transparent);
    color: var(--cream); width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
    transition: background .25s;
}
.vm-close:hover { background: color-mix(in srgb, var(--cream) 18%, transparent); }
.vm-frame { width: min(1080px, 92vw); aspect-ratio: 16 / 9; background: #000; border-radius: 14px; overflow: hidden; }
.vm-frame iframe { width: 100%; height: 100%; border: 0; }
.vm-outlink {
    position: absolute; left: 50%; transform: translateX(-50%);
    bottom: 4vh; color: var(--cream);
    font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
    text-decoration: none; border: 1px solid color-mix(in srgb, var(--cream) 40%, transparent);
    padding: 10px 22px; border-radius: 999px; transition: background .25s, border-color .25s;
}
.vm-outlink:hover { background: var(--purple); border-color: var(--purple); }

/* ============================================================
   墨刷撕裂衔接带（复刻 wildmind 的黑白交界质感）
   蒙版取自参考站截图二值化，上方区块颜色向下"撕"入下方区块，
   纯静态 mask 染色，随配色主题自动变色，零性能开销
   ============================================================ */
.ink-break {
    position: relative;
    height: clamp(80px, 11vw, 210px);
    pointer-events: none;
}
.ink-break::before {
    content: ""; position: absolute; inset: 0;
    -webkit-mask: url("assets/ink-edge.png") center top / 100% 100% no-repeat;
    mask: url("assets/ink-edge.png") center top / 100% 100% no-repeat;
}
.ib-d2l { background: var(--cream); }
.ib-d2l::before { background: var(--vault-black); }
.ib-l2d { background: var(--vault-black); }
.ib-l2d::before { background: var(--cream); }

/* ---------- 逐行揭示的行容器（JS 注入 .rl-line） ---------- */
/* mask 必须是块级，内联元素裁不住位移中的行（否则标题错乱叠字） */
.rl-mask { display: block; overflow: clip; }
.rl-line { display: block; will-change: transform; }

@media (prefers-reduced-motion: reduce) {
    .vmarquee .chunk { animation: none; }
    .tc .rec::before { animation: none; }
}