/* ============================================================
   洛芮 LORIÉ 婚纱摄影工作室 — 样式表
   Design tokens 集中在 :root，改配色/字体只需改这里
   ============================================================ */

:root{
  /* ---- 色彩 Palette ---- */
  --c-ivory:      #F6F1E9;   /* 主背景 */
  --c-ivory-soft: #EFE8DB;   /* 次背景 / 分隔区块 */
  --c-ink:        #2B2420;   /* 正文文字 */
  --c-ink-soft:   #6B6157;   /* 弱化文字 */
  --c-wine:       #6B1F2B;   /* 品牌主色：酒红 */
  --c-wine-deep:  #4A141C;   /* 深酒红，标题/悬停 */
  --c-gold:       #B8905A;   /* 点缀金 */
  --c-blush:      #E7D3CE;   /* 柔粉，装饰 */
  --c-film-black: #1B1714;   /* 胶片黑边 */

  /* ---- 字体 Typography ---- */
  --f-display: "Noto Serif SC", "Songti SC", serif;
  --f-latin:   "Cormorant Garamond", "Noto Serif SC", serif;
  --f-body:    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* ---- 布局 ---- */
  --maxw: 1240px;
  --radius: 2px;
  --header-h: 76px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--c-ivory);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

::selection{ background: var(--c-wine); color: var(--c-ivory); }

/* 无障碍：可见的键盘焦点 */
a:focus-visible,
button:focus-visible{
  outline: 2px solid var(--c-wine);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.section-eyebrow{
  font-family: var(--f-latin);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--c-wine);
  margin: 0 0 10px;
  text-transform: uppercase;
}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  height: var(--header-h);
  display:flex;
  align-items:center;
  background: rgba(246,241,233,0.0);
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  background: rgba(246,241,233,0.94);
  backdrop-filter: blur(8px);
  border-bottom-color: rgba(43,36,32,0.08);
  box-shadow: 0 6px 24px rgba(27,23,20,0.06);
}

.header-inner{
  width:100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{ display:flex; flex-direction:column; line-height:1; gap:4px; }
.brand .brand-en{
  font-family: var(--f-latin);
  font-style: italic;
  font-weight:600;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--c-wine-deep);
}
.brand .brand-cn{
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--c-ink-soft);
}

.main-nav{ display:flex; gap: 40px; }
.main-nav a{
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  color: var(--c-ink);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px; background: var(--c-wine);
  transition: right .3s ease;
}
.main-nav a:hover::after{ right:0; }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:36px; height:36px;
  background:none; border:none; cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block; height:1.5px; width:100%;
  background: var(--c-ink);
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO — 胶片式自动滚动画廊
   ============================================================ */
.hero{
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 64px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(107,31,43,0.07), transparent 55%),
    var(--c-ivory);
  overflow: hidden;
}

.hero-intro{
  max-width: var(--maxw);
  margin: 0 auto 44px;
  padding: 0 28px;
  text-align:center;
}
.hero-eyebrow{
  font-family: var(--f-latin);
  font-style: italic;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  margin: 0 0 18px;
  text-transform: uppercase;
}
.hero-title{
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--c-wine-deep);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.25;
  margin: 0 0 18px;
}
.hero-sub{
  color: var(--c-ink-soft);
  font-size: 0.98rem;
  margin: 0;
}

/* 胶片轨道 */
.filmstrip-wrap{
  width: 100%;
  overflow: hidden;
  padding: 22px 0;
  background: var(--c-film-black);
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
  position: relative;
}
.filmstrip-wrap::before,
.filmstrip-wrap::after{
  content:"";
  position:absolute; top:0; bottom:0; width:80px; z-index:2;
  pointer-events:none;
}
.filmstrip-wrap::before{ left:0; background: linear-gradient(90deg, var(--c-film-black), transparent); }
.filmstrip-wrap::after{ right:0; background: linear-gradient(-90deg, var(--c-film-black), transparent); }

.filmstrip-track{
  display:flex;
  align-items:center;
  width: max-content;
  animation: filmscroll 46s linear infinite;
}
.filmstrip-track:hover{ animation-play-state: paused; }

@keyframes filmscroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

.film-frame{
  --fw: 300px;
  position: relative;
  width: var(--fw);
  aspect-ratio: 3 / 4;
  margin: 0 3px;
  flex: 0 0 auto;
  cursor: pointer;
  border: 10px solid var(--c-film-black);
  border-top-width: 18px;
  border-bottom-width: 18px;
  background: var(--c-film-black);
}
.film-frame .sprockets{
  position:absolute; left:0; right:0; height:18px;
  display:flex; justify-content:space-evenly; align-items:center;
}
.film-frame .sprockets.top{ top:-18px; }
.film-frame .sprockets.bottom{ bottom:-18px; }
.film-frame .sprockets span{
  width:7px; height:7px;
  background: var(--c-ivory);
  opacity:0.9;
}

.film-frame .frame-img-wrap{
  position:relative;
  width:100%; height:100%;
  overflow:hidden;
}
.film-frame img{
  width:100%; height:100%;
  object-fit: cover;
  transition: transform .6s ease, filter .5s ease;
  filter: saturate(0.94) contrast(1.02);
}
.film-frame:hover img{ transform: scale(1.06); }

.film-frame .frame-no{
  position:absolute; left:10px; bottom:10px;
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: #fff;
  background: rgba(27,23,20,0.55);
  padding: 3px 9px;
  backdrop-filter: blur(2px);
}
.film-frame .frame-hint{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background: rgba(27,23,20,0.0);
  color:#fff;
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  opacity:0;
  transition: opacity .35s ease, background .35s ease;
}
.film-frame:hover .frame-hint{
  opacity:1;
  background: rgba(27,23,20,0.28);
}

.scroll-cue{
  display:flex; flex-direction:column; align-items:center; gap:8px;
  width: fit-content;
  margin: 40px auto 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-ink-soft);
}
.scroll-cue span{
  width:1px; height: 30px;
  background: linear-gradient(var(--c-wine), transparent);
  animation: cuepulse 1.8s ease-in-out infinite;
}
@keyframes cuepulse{
  0%, 100%{ opacity:0.25; }
  50%{ opacity:1; }
}

/* ============================================================
   作品与服务 — 图文列表（图片在左，文字在右）
   ============================================================ */
.gallery{
  padding: 96px 28px 40px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-head{
  max-width: 640px;
  margin: 0 auto 64px;
  text-align:center;
}
.section-title{
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--c-wine-deep);
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  margin: 0 0 14px;
}
.section-desc{ color: var(--c-ink-soft); margin:0; }

.item-list{ display:flex; flex-direction:column; }

.item-row{
  display:grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  align-items:center;
  gap: 56px;
  padding: 44px 24px;
  border-bottom: 1px solid rgba(43,36,32,0.08);
}
.item-row:nth-child(even){ background: var(--c-ivory-soft); }
.item-row:first-child{ padding-top: 8px; }

.item-figure{
  position:relative;
  width:100%;
  aspect-ratio: 4 / 3;
  overflow:hidden;
  cursor: pointer;
  border-radius: var(--radius);
}
.item-figure img{
  width:100%; height:100%;
  object-fit: cover;
  transition: transform .7s ease;
}
.item-figure:hover img{ transform: scale(1.05); }
.item-figure .item-no{
  position:absolute; top:14px; left:14px;
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.78rem;
  color:#fff;
  background: rgba(27,23,20,0.55);
  padding: 3px 10px;
}
.item-figure .item-zoom{
  position:absolute; right:14px; bottom:14px;
  width:38px; height:38px;
  border-radius:50%;
  background: rgba(246,241,233,0.92);
  color: var(--c-wine-deep);
  display:flex; align-items:center; justify-content:center;
  font-size: 1.1rem;
  opacity:0; transform: translateY(6px);
  transition: opacity .3s ease, transform .3s ease;
}
.item-figure:hover .item-zoom{ opacity:1; transform:none; }

.item-text .item-tag{
  font-family: var(--f-latin);
  font-style: italic;
  color: var(--c-gold);
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.item-text h3{
  font-family: var(--f-display);
  color: var(--c-wine-deep);
  font-size: 1.5rem;
  margin: 0 0 14px;
  font-weight: 600;
}
.item-text p{
  color: var(--c-ink-soft);
  margin: 0;
  font-size: 0.98rem;
}

/* ============================================================
   关于我们
   ============================================================ */
.about{
  background: var(--c-wine-deep);
  color: var(--c-blush);
  padding: 100px 28px;
  margin-top: 40px;
  position: relative;
}
.about::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse at 80% 20%, rgba(184,144,90,0.16), transparent 60%);
  pointer-events:none;
}
.about-inner{
  max-width: 760px;
  margin: 0 auto;
  text-align:center;
  position:relative;
}
.about .section-eyebrow{ color: var(--c-gold); }
.about-title{
  font-family: var(--f-display);
  font-weight:700;
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  color: #fff;
  margin: 0 0 22px;
}
.about-body{
  font-size: 1.02rem;
  color: rgba(231,211,206,0.88);
  margin: 0 0 52px;
}
.about-stats{
  display:flex;
  justify-content:center;
  gap: 64px;
  flex-wrap:wrap;
}
.stat{ display:flex; flex-direction:column; gap:6px; }
.stat-num{
  font-family: var(--f-latin);
  font-style: italic;
  font-weight:600;
  font-size: 2.1rem;
  color: var(--c-gold);
}
.stat-label{
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: rgba(231,211,206,0.75);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background: var(--c-film-black);
  color: rgba(246,241,233,0.72);
  padding: 72px 28px 28px;
}
.footer-inner{
  max-width: var(--maxw);
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(246,241,233,0.12);
}
.footer-brand .brand-en{
  font-family: var(--f-latin);
  font-style: italic;
  font-weight:600;
  font-size: 1.7rem;
  color: #fff;
  letter-spacing: 0.1em;
}
.footer-brand p{ margin: 14px 0 0; font-size: 0.9rem; line-height:1.8; }

.footer-contact h3,
.footer-nav h3{
  color:#fff;
  font-weight:500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
}
.footer-contact p{ margin: 0 0 10px; font-size: 0.88rem; }
.footer-nav{ display:flex; flex-direction:column; }
.footer-nav a{ font-size: 0.88rem; margin-bottom: 10px; transition: color .25s ease; }
.footer-nav a:hover{ color: var(--c-gold); }

.footer-bottom{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 24px;
  font-size: 0.78rem;
  color: rgba(246,241,233,0.45);
  text-align:center;
}

/* ============================================================
   灯箱 Lightbox / 弹窗
   ============================================================ */
.lightbox{
  position: fixed; inset:0;
  z-index: 1000;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity .3s ease, visibility .3s ease;
}
.lightbox.is-open{ visibility: visible; opacity: 1; }

.lightbox-backdrop{
  position:absolute; inset:0;
  background: rgba(20,16,14,0.86);
}

.lightbox-panel{
  position:relative;
  z-index:1;
  background: var(--c-ivory);
  width: min(960px, 100%);
  max-height: 88vh;
  overflow:auto;
  display:grid;
  grid-template-columns: 1.35fr 1fr;
  transform: translateY(16px) scale(0.98);
  transition: transform .35s ease;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}
.lightbox.is-open .lightbox-panel{ transform: none; }

.lightbox-img-wrap{ position:relative; background:#000; min-height: 260px; }
.lightbox-img-wrap img{ width:100%; height:100%; object-fit:cover; }
.lightbox-frame-no{
  position:absolute; left:16px; bottom:16px;
  font-family: var(--f-latin); font-style:italic;
  color:#fff; font-size: 0.85rem;
  background: rgba(27,23,20,0.55);
  padding: 4px 12px;
}

.lightbox-text{ padding: 40px 36px; }
.lightbox-tag{
  font-family: var(--f-latin);
  font-style:italic;
  color: var(--c-gold);
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.lightbox-text h3{
  font-family: var(--f-display);
  color: var(--c-wine-deep);
  font-size: 1.6rem;
  margin: 0 0 18px;
}
.lightbox-text p{ color: var(--c-ink-soft); margin:0; }

.lightbox-close{
  position:absolute; top:14px; right:14px;
  z-index:2;
  width:40px; height:40px;
  border-radius:50%;
  border:none;
  background: rgba(27,23,20,0.55);
  color:#fff;
  font-size: 1.6rem;
  line-height:1;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition: background .25s ease;
}
.lightbox-close:hover{ background: var(--c-wine); }

body.lightbox-locked{ overflow: hidden; }

/* ============================================================
   背景音乐按钮 — 固定在右下角，滚动页面时保持原位不动
   ============================================================ */
.music-toggle{
  position: fixed;
  right: 24px;
  bottom: 24px;
  right: calc(24px + env(safe-area-inset-right, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 800;
  width: 60px; height: 60px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 22px rgba(27,23,20,0.35);
  transition: box-shadow .25s ease, transform .25s ease;
}
.music-toggle:hover{
  box-shadow: 0 10px 28px rgba(27,23,20,0.45);
  transform: translateY(-2px);
}
.music-toggle:active{ transform: translateY(0); }

.music-disc{
  width: 100%; height: 100%;
  border-radius: 50%;
  animation: discspin 5s linear infinite;
  animation-play-state: paused;
}
.music-toggle.is-playing .music-disc{ animation-play-state: running; }

@keyframes discspin{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(360deg); }
}

.music-icon-note{
  position:absolute;
  font-size: 1.05rem;
  color: var(--c-ivory);
  pointer-events:none;
  opacity: 0.9;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

@media (prefers-reduced-motion: reduce){
  .music-disc{ animation: none !important; }
}

@media (max-width: 700px){
  .music-toggle{
    width: 52px; height: 52px;
    right: calc(16px + env(safe-area-inset-right, 0px));
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .music-icon-note{ font-size: 0.92rem; }
}

/* ============================================================
   响应式 — 平板
   ============================================================ */
@media (max-width: 960px){
  .footer-inner{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; margin-bottom: 12px; }
  .item-row{ gap: 36px; padding: 36px 20px; }
  .film-frame{ --fw: 250px; }
}

/* ============================================================
   响应式 — 手机
   ============================================================ */
@media (max-width: 700px){
  .header-inner{ padding: 0 18px; }
  .main-nav{
    position:fixed;
    top: var(--header-h);
    left:0; right:0;
    background: var(--c-ivory);
    flex-direction:column;
    gap:0;
    padding: 8px 18px 18px;
    border-bottom: 1px solid rgba(43,36,32,0.1);
    transform: translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .main-nav.is-open{
    opacity:1; transform:none; pointer-events:auto;
  }
  .main-nav a{ padding: 14px 0; border-bottom: 1px solid rgba(43,36,32,0.06); }
  .nav-toggle{ display:flex; }

  .hero{ padding-top: calc(var(--header-h) + 34px); padding-bottom: 44px; }
  .hero-intro{ margin-bottom: 30px; }
  .film-frame{ --fw: 200px; }

  .gallery{ padding: 64px 18px 20px; }
  .section-head{ margin-bottom: 40px; }

  .item-row{
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 16px;
  }
  .item-figure{ aspect-ratio: 4/3; }

  .about{ padding: 72px 20px; }
  .about-stats{ gap: 36px; }

  .footer-inner{ grid-template-columns: 1fr; gap: 32px; }

  .lightbox-panel{ grid-template-columns: 1fr; }
  .lightbox-img-wrap{ min-height: 220px; }
  .lightbox-text{ padding: 28px 22px; }
}