/* ============================================================
   V1 · 暗夜画廊
   暗色底、瀑布流、图大优先 —— 视觉冲击最强的版本
   ============================================================ */
body.v1 {
  --ink: #f2f3f7;
  --ink-2: #c8cbd6;
  --ink-3: #8f94a5;
  --ink-4: #62677a;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .05);
  --bg: #0b0c11;
  --bg-2: #12141b;
  --bg-3: #171a23;
  --brand: #ff5a3c;
  --accent: #6b8cff;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(0, 0, 0, .5);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, .66);
}

body.v1 {
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(255, 90, 60, .10), transparent 62%),
    radial-gradient(880px 520px at 8% 4%, rgba(107, 140, 255, .10), transparent 60%),
    var(--bg);
  color: var(--ink);
}

body.v1 ::-webkit-scrollbar-track { background: var(--bg-2); }
body.v1 ::-webkit-scrollbar-thumb { background: #2b3040; border-color: var(--bg-2); }

/* ---------- 顶栏 ---------- */
.top {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 12, 17, .72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; gap: 26px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--brand); color: #fff;
  font-weight: 800; font-size: 15px;
}
.logo-text { font-size: 14px; font-weight: 700; letter-spacing: .12em; }
.logo-text i { color: var(--brand); font-style: normal; margin: 0 2px; }

.nav { display: flex; gap: 22px; margin-right: auto; }
.nav a {
  font-size: 14px; color: var(--ink-3); position: relative;
  padding: 6px 0; transition: color .2s;
}
.nav a:hover, .nav a.on { color: var(--ink); }
.nav a.on::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--brand); border-radius: 2px;
}

.top-search {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 100px;
  background: var(--bg-2); border: 1px solid var(--line);
  color: var(--ink-4); transition: all .2s;
}
.top-search:focus-within { border-color: var(--accent); background: var(--bg-3); }
.top-search input {
  background: none; border: none; outline: none;
  width: 190px; font-size: 13.5px; color: var(--ink);
}
.top-search input::placeholder { color: var(--ink-4); }

.menu-btn { display: none; flex-direction: column; gap: 5px; }
.menu-btn span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { padding: 74px 0 66px; position: relative; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.kicker {
  font-size: 11.5px; letter-spacing: .22em; color: var(--brand);
  font-weight: 700; margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 66px);
  line-height: 1.08; margin: 0 0 20px;
  letter-spacing: -.02em; font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--brand), #ff9a3c 55%, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 16px; color: var(--ink-3); max-width: 460px; margin: 0 0 26px; line-height: 1.75; }

.hero-stats { display: flex; gap: 30px; margin-bottom: 30px; flex-wrap: wrap; }
.hero-stats .st b { display: block; font-size: 25px; font-weight: 800; letter-spacing: -.02em; }
.hero-stats .st span { font-size: 12px; color: var(--ink-4); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

body.v1 .btn-ghost { border-color: var(--line); background: transparent; color: var(--ink-2); }
body.v1 .btn-ghost:hover { border-color: var(--ink-4); background: var(--bg-2); }

.hero-art {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr;
  gap: 12px; height: 430px;
}
.hero-art .cell {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-2);
  position: relative;
}
.hero-art .cell:first-child { grid-row: span 2; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-art .cell::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,12,17,.5), transparent 55%);
}

/* ---------- 筛选栏 ---------- */
.bar {
  position: sticky; top: 64px; z-index: 90;
  background: rgba(11, 12, 17, .82);
  backdrop-filter: blur(14px);
  border-block: 1px solid var(--line);
}
.bar-in { display: flex; align-items: center; gap: 16px; height: 62px; flex-wrap: wrap; }
.filters { display: flex; align-items: center; gap: 10px; flex: 1; flex-wrap: wrap; }
.fgroup { display: flex; gap: 6px; }
.chip {
  padding: 7px 15px; border-radius: 100px; font-size: 13px;
  background: var(--bg-2); border: 1px solid var(--line);
  color: var(--ink-3); transition: all .18s; white-space: nowrap;
}
.chip:hover { color: var(--ink); border-color: var(--ink-4); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

.sel {
  padding: 7px 30px 7px 14px; border-radius: 100px; font-size: 13px;
  background: var(--bg-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%238f94a5' d='M0 0h10L5 6z'/%3E%3C/svg%3E") no-repeat right 13px center;
  border: 1px solid var(--line); color: var(--ink-2);
  appearance: none; outline: none; cursor: pointer;
}
.sel option { background: var(--bg-3); color: var(--ink); }
.count { font-size: 13px; color: var(--ink-4); white-space: nowrap; }

/* ---------- 瀑布流 ---------- */
.gallery { padding: 30px 0 70px; }
.grid {
  columns: 5 220px;
  column-gap: 14px;
}
.cell {
  break-inside: avoid; margin-bottom: 14px;
  border-radius: var(--radius); overflow: hidden;
  background: var(--bg-2); border: 1px solid var(--line);
  cursor: zoom-in; position: relative;
  transition: transform .3s var(--ease), border-color .3s;
}
.cell:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.2); }
.cell img { width: 100%; display: block; }
.cell .ph {
  width: 100%; aspect-ratio: 3/4;
  background: linear-gradient(110deg, var(--bg-2) 30%, var(--bg-3) 50%, var(--bg-2) 70%);
  background-size: 220% 100%; animation: sh 1.4s infinite linear;
}
@keyframes sh { to { background-position: -220% 0; } }

.cell .cap {
  position: absolute; inset: auto 0 0 0;
  padding: 26px 12px 10px;
  background: linear-gradient(to top, rgba(11,12,17,.92), transparent);
  opacity: 0; transition: opacity .25s;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.cell:hover .cap { opacity: 1; }
.cap .nm { font-size: 12px; color: #e8eaf0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cap .sz { font-size: 11px; color: var(--ink-4); flex: 0 0 auto; }

.cell .vid {
  position: absolute; top: 10px; left: 10px;
  padding: 3px 8px; border-radius: 6px; font-size: 11px; font-weight: 600;
  background: rgba(11,12,17,.8); color: #fff; backdrop-filter: blur(6px);
}
.cell .nd {
  position: absolute; top: 10px; right: 10px;
  width: 22px; height: 22px; border-radius: 7px;
  display: grid; place-items: center; font-size: 11px;
  background: rgba(43,108,255,.9); color: #fff;
}

.sentinel { height: 1px; }
.more { text-align: center; padding: 26px 0; }
.more button {
  padding: 11px 28px; border-radius: 100px; font-size: 14px; font-weight: 600;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink-2);
  transition: all .2s;
}
.more button:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- 合集 ---------- */
.collections { padding: 66px 0; border-top: 1px solid var(--line); }
.sec-title { font-size: 27px; font-weight: 800; margin: 0 0 8px; letter-spacing: -.01em; }
.sec-sub { font-size: 14.5px; color: var(--ink-3); margin: 0 0 30px; }
.cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 16px; }

.col {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-2); overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.col:hover { border-color: rgba(255,255,255,.18); transform: translateY(-2px); }
.col-hd { display: flex; align-items: center; gap: 10px; padding: 15px 16px; border-bottom: 1px solid var(--line); }
.col-hd .ico {
  width: 34px; height: 34px; border-radius: 10px; flex: 0 0 34px;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  background: var(--bg-3); color: var(--ink-3);
}
.col-hd .tt { flex: 1; min-width: 0; }
.col-hd .tt b { display: block; font-size: 14.5px; }
.col-hd .tt span { font-size: 12px; color: var(--ink-4); }
.col-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line-2); }
.col-thumbs img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.col-thumbs .more-t {
  aspect-ratio: 1; display: grid; place-items: center;
  background: var(--bg-3); color: var(--ink-4); font-size: 12.5px; font-weight: 600;
}
.col-bd { padding: 13px 16px; display: flex; align-items: center; gap: 10px; }
.col-bd .grow { flex: 1; }

/* ---------- 关于 ---------- */
.about { padding: 66px 0; border-top: 1px solid var(--line); }
.about-in { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; align-items: start; }
.about-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.acard {
  padding: 20px; border-radius: var(--radius);
  background: var(--bg-2); border: 1px solid var(--line);
}
.acard b { display: block; font-size: 25px; font-weight: 800; margin-bottom: 3px; }
.acard span { font-size: 13px; color: var(--ink-3); }

/* ---------- 页脚 ---------- */
.foot { padding: 26px 0; border-top: 1px solid var(--line); color: var(--ink-4); font-size: 13px; }
.foot-in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 18px; }
.foot-links a:hover { color: var(--brand); }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(6, 7, 10, .96);
  backdrop-filter: blur(8px);
  display: none; grid-template-rows: 1fr auto;
  opacity: 0; transition: opacity .24s;
}
.lightbox.open { display: grid; opacity: 1; }
.lb-stage {
  display: grid; place-items: center; padding: 54px 74px 18px; min-height: 0;
}
.lb-stage img, .lb-stage video {
  max-width: 100%; max-height: 100%; object-fit: contain;
  border-radius: 10px; box-shadow: 0 24px 70px rgba(0,0,0,.6);
}
.lb-close {
  position: absolute; top: 18px; right: 20px; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.09); color: #fff;
  font-size: 16px; display: grid; place-items: center;
  backdrop-filter: blur(8px); transition: background .2s;
}
.lb-close:hover { background: rgba(255,255,255,.2); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.09); color: #fff; font-size: 26px;
  display: grid; place-items: center; backdrop-filter: blur(8px);
  transition: background .2s;
}
.lb-nav:hover { background: rgba(255,255,255,.2); }
.lb-prev { left: 18px; }
.lb-next { right: 18px; }

.lb-bar {
  padding: 16px 30px 26px; display: flex; align-items: center; gap: 22px;
  flex-wrap: wrap; border-top: 1px solid var(--line);
}
.lb-meta { flex: 1; min-width: 260px; }
.lb-title { font-size: 14.5px; font-weight: 600; }
.lb-sub { font-size: 12.5px; color: var(--ink-4); margin-top: 3px; display: flex; gap: 7px; flex-wrap: wrap; }
.lb-sub .sep { opacity: .45; }
.lb-links { margin-top: 6px; font-size: 12.5px; }
.lb-links a { color: var(--accent); }
.lb-links a:hover { text-decoration: underline; }
.lb-netdisk { min-width: 340px; }
body.v1 .netdisk { background: rgba(255,255,255,.05); border-color: var(--line); }
body.v1 .copy-field { background: var(--bg-3); border-color: var(--line); color: var(--ink-3); }
body.v1 .copy-field b { color: var(--ink); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { height: 330px; }
  .about-in { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 18px; }
  .nav { display: none; }
  .menu-btn { display: flex; }
  .top-search input { width: 130px; }
  .grid { columns: 2 140px; column-gap: 10px; }
  .cell { margin-bottom: 10px; }
  .hero { padding: 44px 0 40px; }
  .about-cards { grid-template-columns: 1fr; }
  .lb-stage { padding: 52px 12px 12px; }
  .lb-bar { padding: 14px 18px 20px; }
  .lb-netdisk { min-width: 0; width: 100%; }
  .lb-nav { width: 38px; height: 38px; font-size: 22px; }
  .lb-prev { left: 8px; } .lb-next { right: 8px; }
}