/* ============ 光影档案馆 · 胶片风 ============ */
:root {
  --bg: #0b0a08;
  --bg-2: #14110c;
  --panel: #191510;
  --line: #2c2519;
  --gold: #d8a74f;
  --gold-hi: #f0c978;
  --cream: #ece3d0;
  --muted: #97897a;
  --red: #b3402f;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--sans);
  overflow-x: hidden;
}

::selection { background: var(--gold); color: #171205; }

/* ---- 颗粒与暗角 ---- */
.grain {
  position: fixed; inset: -100px; z-index: 60; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity: .07;
  animation: grain 7s steps(8) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); } 12% { transform: translate(-40px,30px); }
  25% { transform: translate(30px,-50px); } 37% { transform: translate(-60px,-20px); }
  50% { transform: translate(50px,40px); } 62% { transform: translate(-30px,60px); }
  75% { transform: translate(60px,-30px); } 87% { transform: translate(-50px,-40px); }
}
.vignette {
  position: fixed; inset: 0; z-index: 59; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.55) 100%);
}

/* ---- 齿孔条 ---- */
.perforation {
  height: 22px;
  background:
    repeating-linear-gradient(90deg,
      transparent 0 14px,
      var(--bg) 14px 34px,
      transparent 34px 48px),
    linear-gradient(#221c12, #1a150d);
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
  position: relative;
}
.perforation::before {
  content: ""; position: absolute; inset: 5px 0;
  background: repeating-linear-gradient(90deg,
    transparent 0 17px,
    #050403 17px 31px,
    transparent 31px 48px);
  border-radius: 2px;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 0 0 34px;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(216,167,79,.14), transparent 60%),
    linear-gradient(180deg, #100d09 0%, var(--bg) 100%);
  overflow: hidden;
}
.hero::after { /* 放映机光束 */
  content: ""; position: absolute; top: -40%; left: 50%;
  width: 900px; height: 900px; transform: translateX(-50%);
  background: conic-gradient(from 160deg at 50% 0%, transparent 0deg, rgba(240,201,120,.05) 20deg, transparent 40deg);
  pointer-events: none;
  animation: flicker 4s ease-in-out infinite;
}
@keyframes flicker {
  0%,100% { opacity: .9; } 48% { opacity: .7; } 50% { opacity: 1; } 52% { opacity: .75; }
}
.hero-inner { text-align: center; padding: 92px 20px 56px; position: relative; z-index: 2; }
.hero-kicker {
  font-size: 12px; letter-spacing: .5em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 22px; opacity: .85;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(52px, 9vw, 108px);
  font-weight: 900; letter-spacing: .18em;
  background: linear-gradient(180deg, #f6e3b8 20%, var(--gold) 60%, #8a6420 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 60px rgba(216,167,79,.25);
}
.hero-sub { margin-top: 18px; color: var(--muted); font-size: 15px; letter-spacing: .12em; }
.cursor { animation: blink 1.1s steps(1) infinite; color: var(--gold); }
@keyframes blink { 50% { opacity: 0; } }

.hero-stats {
  margin-top: 34px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
}
.stat-chip {
  border: 1px solid var(--line); background: rgba(25,21,16,.7);
  padding: 10px 22px; border-radius: 3px; backdrop-filter: blur(4px);
}
.stat-chip b {
  font-family: var(--serif); font-size: 24px; color: var(--gold-hi);
  display: block; line-height: 1.1;
}
.stat-chip span { font-size: 11px; color: var(--muted); letter-spacing: .2em; }

/* ---- 跑马灯 ---- */
.marquee-wrap { position: relative; z-index: 2; margin-top: 8px; }
.marquee {
  display: flex; gap: 0; overflow: hidden; white-space: nowrap;
  background: #161209; padding: 12px 0;
}
.marquee-track { display: flex; flex-shrink: 0; animation: scroll 60s linear infinite; }
@keyframes scroll { to { transform: translateX(-50%); } }
.marquee-item {
  font-family: var(--serif); font-size: 17px; letter-spacing: .3em;
  color: #6e5f45; padding: 0 34px; border-right: 1px solid #2b2416;
}
.marquee-item em { color: var(--gold); font-style: normal; }

/* ============ 工具栏 ============ */
.toolbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,10,8,.92); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.toolbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.search-box {
  flex: 1 1 260px; display: flex; align-items: center; gap: 10px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 9px 14px; border-radius: 3px;
}
.search-box:focus-within { border-color: var(--gold); box-shadow: 0 0 18px rgba(216,167,79,.15); }
.search-icon { color: var(--gold); font-size: 13px; }
.search-box input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--cream); font-size: 14px; font-family: var(--sans);
}
.search-box input::placeholder { color: #5d5343; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  font-size: 13px; padding: 7px 16px; border-radius: 3px; cursor: pointer;
  font-family: var(--sans); letter-spacing: .08em; transition: all .25s;
}
.tab:hover { color: var(--gold-hi); border-color: var(--gold); }
.tab.active {
  background: var(--gold); border-color: var(--gold); color: #1a1408;
  font-weight: 600; box-shadow: 0 0 16px rgba(216,167,79,.3);
}
/* ---- 自定义下拉 ---- */
.sort-box { position: relative; }
.dropdown { position: relative; }
.dropdown-btn {
  display: flex; align-items: center; gap: 10px;
  background: var(--panel); color: var(--muted); border: 1px solid var(--line);
  font-size: 13px; padding: 8px 14px; border-radius: 3px; cursor: pointer;
  font-family: var(--sans); letter-spacing: .08em; transition: all .25s;
}
.dropdown-btn:hover, .dropdown.open .dropdown-btn { color: var(--gold-hi); border-color: var(--gold); }
.caret { font-size: 10px; color: var(--gold); transition: transform .25s; }
.dropdown.open .caret { transform: rotate(180deg); }
.dropdown-list {
  position: absolute; top: calc(100% + 6px); right: 0; min-width: 100%;
  background: #1c1710; border: 1px solid var(--gold); border-radius: 3px;
  box-shadow: 0 12px 34px rgba(0,0,0,.7), 0 0 20px rgba(216,167,79,.12);
  overflow: hidden; z-index: 60;
  animation: dropIn .18s ease-out;
}
.dropdown-list[hidden] { display: none; }
@keyframes dropIn { from { opacity: 0; transform: translateY(-6px); } }
.dropdown-item {
  padding: 9px 16px; font-size: 13px; color: var(--muted);
  cursor: pointer; white-space: nowrap; letter-spacing: .08em; transition: all .15s;
}
.dropdown-item:hover { background: rgba(216,167,79,.12); color: var(--gold-hi); }
.dropdown-item.active { color: var(--gold); background: rgba(216,167,79,.08); }
.dropdown-item.active::before { content: "✓ "; font-size: 11px; }

/* ---- 全局滚动条 ---- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: #0e0c08; }
::-webkit-scrollbar-thumb {
  background: #3a2f1c; border-radius: 5px; border: 2px solid #0e0c08;
}
::-webkit-scrollbar-thumb:hover { background: var(--gold); }
html { scrollbar-width: thin; scrollbar-color: #3a2f1c #0e0c08; }

/* ============ 区块标题 ============ */
.section-title {
  font-family: var(--serif); font-size: 24px; letter-spacing: .14em;
  color: var(--cream); display: flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
}
.tick { width: 4px; height: 22px; background: var(--gold); box-shadow: 0 0 12px rgba(216,167,79,.6); }
.count-badge { font-size: 13px; color: var(--muted); font-family: var(--sans); letter-spacing: .05em; }

/* ============ 热门胶卷 ============ */
.featured { max-width: 1280px; margin: 0 auto; padding: 56px 24px 8px; }
.filmstrip {
  display: flex; gap: 14px; overflow-x: auto; padding: 6px 2px 20px;
  scrollbar-width: thin; scrollbar-color: var(--gold) transparent;
}
.filmstrip::-webkit-scrollbar { height: 6px; }
.filmstrip::-webkit-scrollbar-thumb { background: #3a2f1c; border-radius: 3px; }
.frame {
  flex: 0 0 240px; cursor: pointer; position: relative;
  background: linear-gradient(160deg, #1d1810, #131009);
  border: 1px solid var(--line); border-radius: 4px;
  padding: 26px 18px 20px; transition: all .3s;
}
.frame::before, .frame::after {
  content: ""; position: absolute; left: 8px; right: 8px; height: 10px;
  background: repeating-linear-gradient(90deg, transparent 0 8px, #060503 8px 18px, transparent 18px 26px);
}
.frame::before { top: 6px; } .frame::after { bottom: 6px; }
.frame:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 14px 40px rgba(0,0,0,.6), 0 0 24px rgba(216,167,79,.18);
}
.frame-rank {
  position: absolute; top: 22px; right: 14px;
  font-family: var(--serif); font-size: 30px; color: rgba(216,167,79,.22); font-weight: 900;
}
.frame-name { font-family: var(--serif); font-size: 21px; color: var(--gold-hi); letter-spacing: .1em; }
.frame-cat { font-size: 11px; color: var(--muted); margin-top: 6px; letter-spacing: .2em; }
.frame-quote {
  margin-top: 12px; font-size: 12.5px; line-height: 1.7; color: #b3a78f;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.frame-n { margin-top: 10px; font-size: 11px; color: var(--gold); letter-spacing: .15em; }

/* ============ 档案墙 ============ */
.main { max-width: 1280px; margin: 0 auto; padding: 48px 24px 80px; }
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
}
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 4px;
  padding: 20px 20px 16px; cursor: pointer; position: relative; overflow: hidden;
  transition: all .28s;
}
.card::before { /* 左侧片孔 */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 14px;
  background: repeating-linear-gradient(180deg, transparent 0 10px, #060503 10px 20px, transparent 20px 30px);
  border-right: 1px solid #000; opacity: .9;
}
.card:hover {
  border-color: var(--gold); transform: translateY(-4px);
  box-shadow: 0 12px 34px rgba(0,0,0,.55), 0 0 20px rgba(216,167,79,.14);
}
.card-head { display: flex; align-items: baseline; gap: 10px; padding-left: 12px; }
.card-name {
  font-family: var(--serif); font-size: 19px; color: var(--cream);
  letter-spacing: .06em; flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card:hover .card-name { color: var(--gold-hi); }
.card-cat {
  flex-shrink: 0; font-size: 10.5px; color: var(--gold);
  border: 1px solid rgba(216,167,79,.4); padding: 2px 8px; border-radius: 2px; letter-spacing: .15em;
}
.card-quote {
  margin: 12px 0 0 12px; font-size: 12.5px; line-height: 1.75; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-foot {
  margin: 14px 0 0 12px; display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: #6e6350; letter-spacing: .1em;
}
.card-foot .n { color: var(--gold); }
.card-foot .ch { font-family: var(--serif); }

.empty { text-align: center; padding: 90px 0; color: var(--muted); font-size: 20px; font-family: var(--serif); letter-spacing: .2em; }
.empty-sub { margin-top: 12px; font-size: 13px; font-family: var(--sans); letter-spacing: .05em; color: #5d5343; }

/* ============ 弹窗 ============ */
.modal-mask[hidden] { display: none; }
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4,3,2,.82); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  animation: fadeIn .25s;
}
@keyframes fadeIn { from { opacity: 0; } }
.modal {
  width: min(720px, 100%); max-height: 86vh; display: flex; flex-direction: column;
  background: linear-gradient(170deg, #1b1610, #12100b);
  border: 1px solid var(--gold); border-radius: 6px;
  box-shadow: 0 30px 90px rgba(0,0,0,.8), 0 0 60px rgba(216,167,79,.12);
  position: relative; animation: slideUp .3s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } }
.modal-close {
  position: absolute; top: 32px; right: 16px; z-index: 2;
  background: none; border: 1px solid var(--line); color: var(--muted);
  width: 32px; height: 32px; border-radius: 3px; cursor: pointer; font-size: 13px;
  transition: all .2s;
}
.modal-close:hover { color: var(--gold); border-color: var(--gold); }
.modal-body { overflow-y: auto; padding: 30px 34px 34px; scrollbar-width: thin; }
.modal-body::-webkit-scrollbar { width: 5px; }
.modal-body::-webkit-scrollbar-thumb { background: #3a2f1c; }

.m-cat { font-size: 11px; letter-spacing: .3em; color: var(--gold); }
.m-name {
  font-family: var(--serif); font-size: 40px; font-weight: 900;
  letter-spacing: .1em; margin-top: 8px;
  background: linear-gradient(180deg, #f6e3b8, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.m-meta { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.m-tag {
  font-size: 11.5px; color: var(--muted); border: 1px solid var(--line);
  padding: 4px 12px; border-radius: 2px; letter-spacing: .1em;
}
.m-tag b { color: var(--gold-hi); font-weight: 600; }
.m-divider {
  margin: 24px 0 20px; height: 12px;
  background: repeating-linear-gradient(90deg, transparent 0 10px, #060503 10px 22px, transparent 22px 32px);
  border-top: 1px solid #000; border-bottom: 1px solid #000;
}
.m-quote { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px dashed #241e13; }
.m-quote:last-child { border-bottom: none; }
.m-ch {
  flex-shrink: 0; font-family: var(--serif); font-size: 13px; color: var(--gold);
  border: 1px solid rgba(216,167,79,.35); border-radius: 2px;
  height: fit-content; padding: 3px 10px; letter-spacing: .1em; white-space: nowrap;
}
.m-text { font-size: 14px; line-height: 1.9; color: #cfc3ab; }
.m-text mark { background: rgba(216,167,79,.25); color: var(--gold-hi); padding: 0 2px; }

/* ============ 页脚 & 回顶 ============ */
.footer { text-align: center; color: #5d5343; font-size: 12.5px; letter-spacing: .15em; }
.footer p { padding: 26px 20px 6px; }
.footer-sub { font-family: var(--serif); color: var(--gold); letter-spacing: .6em; padding-bottom: 34px !important; }

.backtop {
  position: fixed; right: 26px; bottom: 26px; z-index: 55;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--panel); border: 1px solid var(--gold); color: var(--gold);
  cursor: pointer; font-size: 14px; opacity: 0; pointer-events: none; transition: all .3s;
}
.backtop.show { opacity: 1; pointer-events: auto; }
.backtop:hover { background: var(--gold); color: #1a1408; box-shadow: 0 0 24px rgba(216,167,79,.4); }

/* ---- 移动端 ---- */
@media (max-width: 640px) {
  .hero-inner { padding: 64px 16px 40px; }
  .toolbar-inner { padding: 10px 14px; }
  .featured, .main { padding-left: 14px; padding-right: 14px; }
  .m-name { font-size: 30px; }
  .modal-body { padding: 24px 20px; }
}