/* ==================== 基础 ==================== */
:root{
  --bg:#0b0a1c;
  --card:rgba(255,255,255,.055);
  --card-hover:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.12);
  --text:#f4f2ff;
  --dim:#b0abc9;
  --faint:#7a75a0;
  --acc:#ff5e8a;
  --grad:linear-gradient(120deg,#ff5e8a,#a78bfa 55%,#6ee7ff);
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font);
  min-height:100vh;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.modal-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;color:inherit}
.hidden{display:none!important}
::selection{background:rgba(255,94,138,.35)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.25)}

/* ==================== 背景 ==================== */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob-1{width:540px;height:540px;top:-180px;right:-140px;background:#ff2e7e;animation:float1 20s ease-in-out infinite}
.blob-2{width:480px;height:480px;top:38%;left:-200px;background:#5b3df5;animation:float2 24s ease-in-out infinite}
.blob-3{width:420px;height:420px;bottom:-160px;right:18%;background:#12a5c8;animation:float1 28s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-40px,50px) scale(1.08)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-40px) scale(1.06)}}
.stars{position:absolute;inset:0}
.stars i{position:absolute;background:#fff;border-radius:50%;opacity:.65;animation:twinkle 3s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.15;transform:scale(.7)}50%{opacity:.9;transform:scale(1.1)}}

/* ==================== 玻璃 ==================== */
.glass{background:var(--card);border:1px solid var(--border);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}

/* ==================== 头部 ==================== */
.site-header{position:sticky;top:0;z-index:50;border-left:none;border-right:none;border-top:none;border-radius:0}
.header-inner{max-width:1200px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;font-size:17px;box-shadow:0 6px 18px rgba(255,94,138,.4);animation:spinGlow 6s ease-in-out infinite}
@keyframes spinGlow{0%,100%{box-shadow:0 6px 18px rgba(255,94,138,.4)}50%{box-shadow:0 6px 26px rgba(167,139,250,.65)}}
.brand-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav{margin-left:8px;display:flex;gap:6px}
.nav-link{padding:8px 14px;border-radius:99px;color:var(--dim);font-size:14px;font-weight:600;transition:.25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.header-user{margin-left:auto}
.user-chip{display:flex;align-items:center;gap:9px;padding:5px 14px 5px 5px;border-radius:99px;background:rgba(255,255,255,.07);border:1px solid var(--border);transition:.25s}
.user-chip:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.avatar{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.uname{font-size:14px;font-weight:600}

/* ==================== 按钮 ==================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:13px;font-size:14px;font-weight:700;letter-spacing:.3px;transition:.22s cubic-bezier(.2,.8,.3,1);border:1px solid transparent;user-select:none;white-space:nowrap}
.btn:active{transform:scale(.96)}
.btn-primary{background:linear-gradient(120deg,#ff5e8a,#a78bfa);color:#fff;box-shadow:0 10px 26px rgba(255,94,138,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,94,138,.48)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.13);transform:translateY(-1px)}
.btn-danger{background:rgba(255,90,90,.16);border-color:rgba(255,90,90,.35);color:#ff9d9d}
.btn-danger:hover{background:rgba(255,90,90,.28)}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:15px}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:11px}
.btn-block{width:100%}
.btn-back{padding:8px 14px;border-radius:11px}

/* ==================== 视图切换 ==================== */
.view{display:none}
.view.active{display:block;animation:viewIn .5s cubic-bezier(.2,.8,.3,1) both}
@keyframes viewIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
main{max-width:1200px;margin:0 auto;padding:26px 22px 60px}

/* ==================== 首页 hero ==================== */
.hero{text-align:center;padding:56px 0 30px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:99px;font-size:13px;font-weight:600;color:var(--dim);letter-spacing:.4px}
.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:#ffd166;box-shadow:0 0 12px #ffd166;animation:dot 2.4s ease-in-out infinite}
@keyframes dot{0%,100%{opacity:.4}50%{opacity:1}}
.hero-title{margin:26px auto 18px;font-size:clamp(34px,6vw,60px);font-weight:900;letter-spacing:1px;line-height:1.2}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:var(--dim);font-size:clamp(15px,2vw,18px);line-height:1.8;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;justify-content:center;gap:clamp(24px,6vw,64px);margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.08)}
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-size:clamp(22px,3vw,30px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:var(--faint);letter-spacing:.5px}

/* ==================== 区块 ==================== */
.section{margin-top:70px;text-align:center}
.section-title{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:.5px}
.section-sub{color:var(--dim);margin:10px 0 34px;font-size:15px}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:left}
.feature-card{padding:26px 22px;border-radius:var(--radius-lg);transition:.3s cubic-bezier(.2,.8,.3,1)}
.feature-card:hover{transform:translateY(-6px);background:var(--card-hover);box-shadow:var(--shadow)}
.feature-icon{font-size:34px;margin-bottom:14px;display:inline-block;animation:floaty 4s ease-in-out infinite}
.feature-card:nth-child(2) .feature-icon{animation-delay:.6s}
.feature-card:nth-child(3) .feature-icon{animation-delay:1.2s}
.feature-card:nth-child(4) .feature-icon{animation-delay:1.8s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{color:var(--dim);font-size:14px;line-height:1.7}

.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:left}
.step{padding:26px 24px;border-radius:var(--radius-lg);position:relative;transition:.3s}
.step:hover{transform:translateY(-4px);background:var(--card-hover)}
.step-num{font-size:13px;font-weight:800;letter-spacing:2px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.step h3{margin:12px 0 8px;font-size:18px}
.step p{color:var(--dim);font-size:14px;line-height:1.75}

.cta{padding:52px 30px;border-radius:var(--radius-lg);margin-top:80px}
.cta h2{font-size:clamp(22px,3vw,30px);font-weight:800}
.cta p{color:var(--dim);margin:10px 0 24px;font-size:14px}

/* ==================== 列表页 ==================== */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-title{font-size:clamp(26px,3.4vw,34px);font-weight:800}
.page-sub{color:var(--dim);margin-top:6px;font-size:14px}
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px;border-radius:var(--radius);margin-bottom:24px}
.search-box{display:flex;align-items:center;gap:8px;flex:1;min-width:200px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:12px;padding:9px 14px;transition:.25s}
.search-box:focus-within{border-color:rgba(255,94,138,.55);box-shadow:0 0 0 3px rgba(255,94,138,.15)}
.search-icon{font-size:14px;opacity:.7}
.search-box input{flex:1;background:none;border:none;outline:none;font-size:14px}
.album-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.album-card{border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:.32s cubic-bezier(.2,.8,.3,1);animation:cardIn .5s ease both}
.album-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);background:var(--card-hover)}
.album-card:nth-child(2){animation-delay:.05s}
.album-card:nth-child(3){animation-delay:.1s}
.album-card:nth-child(4){animation-delay:.15s}
.album-card:nth-child(5){animation-delay:.2s}
.album-card:nth-child(6){animation-delay:.25s}
.album-card:nth-child(7){animation-delay:.3s}
.album-card:nth-child(8){animation-delay:.35s}
@keyframes cardIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.album-card-cover{height:150px;background-size:cover;background-position:center;position:relative;display:flex;align-items:center;justify-content:center}
.album-card-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,8,26,0) 40%,rgba(10,8,26,.55))}
.cover-symbol{font-size:40px;color:rgba(255,255,255,.9);text-shadow:0 4px 20px rgba(0,0,0,.5)}
.cover-count{position:absolute;right:12px;bottom:10px;z-index:1;font-size:12px;font-weight:700;background:rgba(0,0,0,.4);backdrop-filter:blur(6px);padding:3px 10px;border-radius:99px;border:1px solid rgba(255,255,255,.18)}
.album-card-body{padding:16px 18px 18px}
.album-card-title{font-size:18px;font-weight:800;margin-bottom:4px}
.album-card-star{font-size:13px;color:var(--dim);margin-bottom:6px}
.album-card-desc{font-size:13px;color:var(--faint);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.album-card-foot{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;color:var(--dim);background:rgba(255,255,255,.06);border:1px solid var(--border);padding:3px 10px;border-radius:99px}

.empty-state{text-align:center;padding:70px 20px}
.empty-icon{font-size:52px;margin-bottom:16px;animation:floaty 3s ease-in-out infinite}
.empty-title{font-size:20px;font-weight:800;margin-bottom:8px}
.empty-sub{color:var(--dim);font-size:14px;margin-bottom:22px}
.empty-action{margin-top:4px}

/* ==================== 编辑页 ==================== */
.album-hero{position:relative;border-radius:var(--radius-lg);padding:26px;margin-bottom:20px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(120deg,#1c1940,#0e0c22)}
.album-hero-bg{position:absolute;inset:0;background:radial-gradient(640px 280px at 85% -10%,rgba(255,94,138,.28),transparent 70%);pointer-events:none}
.album-hero-inner{position:relative;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.album-hero-info{display:flex;align-items:center;gap:16px;flex:1;min-width:220px}
.album-hero-avatar{width:58px;height:58px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.35)}
.album-title{font-size:clamp(20px,3vw,26px);font-weight:800}
.album-meta{color:var(--dim);font-size:13px;margin-top:4px}
.album-actions{display:flex;gap:10px;flex-wrap:wrap}

.album-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px;border-radius:var(--radius);margin-bottom:18px}
.album-tools .search-box{flex:1 1 220px}
.select{background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:11px;padding:9px 12px;font-size:13px;outline:none;color:var(--text);cursor:pointer;transition:.2s;max-width:150px}
.select:hover,.select:focus{border-color:rgba(255,94,138,.5)}
.select option{background:#171534;color:var(--text)}
.spacer{flex:1}
.toggle-group{display:inline-flex;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:12px;padding:4px;gap:4px}
.toggle-btn{padding:8px 14px;border-radius:9px;font-size:13px;font-weight:600;color:var(--dim);transition:.25s}
.toggle-btn.active{background:linear-gradient(120deg,#ff5e8a,#a78bfa);color:#fff;box-shadow:0 4px 14px rgba(255,94,138,.35)}

.dropzone{border:2px dashed rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:38px 20px;text-align:center;cursor:pointer;transition:.28s;margin-bottom:22px}
.dropzone:hover,.dropzone.over{border-color:var(--acc);background:rgba(255,94,138,.06);transform:translateY(-2px)}
.dz-icon{font-size:42px;margin-bottom:10px}
.dz-title{font-weight:700;font-size:16px}
.dz-sub{color:var(--faint);font-size:13px;margin-top:6px}

.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.photo-card{border-radius:var(--radius);overflow:hidden;transition:.28s;animation:cardIn .45s ease both}
.photo-card.dragging{opacity:.4;transform:scale(.96)}
.photo-card.drop-target{border-color:var(--acc);box-shadow:0 0 0 3px rgba(255,94,138,.3)}
.photo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.photo-thumb{height:180px;background-size:cover;background-position:center;position:relative;cursor:pointer}
.photo-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(8,6,22,.62))}
.photo-mood{position:absolute;top:10px;left:10px;z-index:2;font-size:22px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.4));animation:floaty 3.2s ease-in-out infinite}
.photo-date{position:absolute;left:10px;bottom:10px;z-index:2;font-size:12px;font-weight:700;color:#fff;background:rgba(0,0,0,.42);backdrop-filter:blur(6px);padding:3px 10px;border-radius:99px}
.photo-hover{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center;gap:10px;opacity:0;background:rgba(8,6,22,.45);backdrop-filter:blur(3px);transition:.25s}
.photo-card:hover .photo-hover{opacity:1}
.icon-btn{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);font-size:15px;display:flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover{background:rgba(255,255,255,.28);transform:scale(1.08)}
.photo-meta{padding:12px 14px 14px}
.photo-caption{font-size:14px;font-weight:600;line-height:1.5}
.photo-sub{font-size:12px;color:var(--faint);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.photo-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.tag{font-size:11px;color:var(--dim);background:rgba(255,255,255,.07);border:1px solid var(--border);padding:2px 9px;border-radius:99px}
.drag-handle{display:block;margin-top:10px;font-size:11px;color:var(--faint);letter-spacing:1px;text-align:center;cursor:grab;border-top:1px dashed rgba(255,255,255,.1);padding-top:8px}

/* ==================== 分享页 ==================== */
.share-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:var(--radius);margin-bottom:20px;position:sticky;top:74px;z-index:20}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}
.share-hero{text-align:center;padding:52px 24px;border-radius:var(--radius-lg);margin-bottom:24px;border:1px solid var(--border);background:linear-gradient(160deg,#1d1946,#0d0b20);position:relative;overflow:hidden}
.share-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(560px 260px at 50% -20%,rgba(255,94,138,.35),transparent 70%);pointer-events:none}
.share-hero::after{content:'✦ ✦ ✦';position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.14);letter-spacing:14px;font-size:15px}
.share-hero-inner{position:relative}
.share-hero-badge{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--dim);border:1px solid var(--border);padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.05);margin-bottom:20px}
.share-hero h1{font-size:clamp(30px,5vw,46px);font-weight:900;letter-spacing:1px;margin-bottom:12px}
.share-hero-star{font-size:17px;color:var(--dim);margin-bottom:8px}
.share-hero-desc{color:var(--dim);font-size:14px;max-width:520px;margin:0 auto 14px}
.share-hero-meta{font-size:13px;color:var(--faint)}

.view-toggle{display:inline-flex;justify-content:center;gap:4px;padding:5px;border-radius:14px;position:relative;left:50%;transform:translateX(-50%);margin-bottom:26px}
.timeline{position:relative;max-width:860px;margin:0 auto;padding:10px 0 20px}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,transparent,rgba(255,255,255,.25),transparent)}
.tl-year{position:relative;text-align:center;padding:14px 0 26px;font-size:14px;font-weight:700;letter-spacing:4px;color:var(--dim)}
.tl-year::before{content:'✦';margin-right:8px;color:var(--acc)}
.tl-item{position:relative;width:50%;padding:0 44px 40px 0}
.tl-item.right{margin-left:50%;padding:0 0 40px 44px}
.tl-dot{position:absolute;top:16px;right:-13px;width:26px;height:26px;border-radius:50%;background:var(--acc,#ff5e8a);display:flex;align-items:center;justify-content:center;font-size:11px;color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.07),0 0 20px var(--acc,#ff5e8a)}
.tl-item.right .tl-dot{left:-13px;right:auto}
.tl-card{border-radius:var(--radius);overflow:hidden;transition:.3s}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tl-photo{height:210px;background-size:cover;background-position:center;position:relative}
.tl-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,6,22,.6))}
.tl-body{padding:14px 16px 16px}
.tl-caption{font-size:14px;font-weight:600;line-height:1.6}
.tl-meta{font-size:12px;color:var(--faint);margin-top:8px;display:flex;gap:12px;flex-wrap:wrap}
.tl-body .photo-tags{margin-top:8px}

/* ==================== 翻页书 ==================== */
.book-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px}
.page-indicator{font-size:14px;font-weight:700;color:var(--dim);letter-spacing:1px}
.book{max-width:860px;margin:0 auto}
.book-page{display:none;grid-template-rows:auto 1fr auto;gap:14px;background:linear-gradient(160deg,#1c1942,#221d4b);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px;min-height:430px;box-shadow:var(--shadow)}
.book-page.active{display:grid;animation:pageIn .55s cubic-bezier(.2,.7,.3,1) both}
.book-page.flipping{animation:pageIn .55s cubic-bezier(.2,.7,.3,1) both}
@keyframes pageIn{from{opacity:0;transform:rotateY(26deg) translateX(16px)}to{opacity:1;transform:none}}
.book-page-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--dim)}
.book-title{font-weight:800;font-size:15px;letter-spacing:.5px}
.book-pageno{font-size:12px;color:var(--faint)}
.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.book-photo{margin:0}
.book-img{height:190px;border-radius:13px;background-size:cover;background-position:center;position:relative}
.book-date{position:absolute;left:10px;bottom:10px;font-size:11px;font-weight:700;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);padding:3px 9px;border-radius:99px}
.book-photo figcaption{font-size:12px;color:var(--dim);margin-top:8px;line-height:1.5}
.book-page-foot{text-align:center;font-size:12px;letter-spacing:3px;color:var(--faint)}
.book-empty{text-align:center;color:var(--dim);padding:40px}

/* ==================== 弹窗 ==================== */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:18px;visibility:hidden;opacity:0;transition:.28s}
.modal.open{visibility:visible;opacity:1}
.modal-backdrop{position:absolute;inset:0;background:rgba(5,4,14,.74);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.modal-card{position:relative;width:100%;max-width:430px;border-radius:22px;padding:28px;max-height:88vh;overflow-y:auto;transform:translateY(20px) scale(.97);transition:.32s cubic-bezier(.2,.8,.3,1.1);box-shadow:var(--shadow)}
.modal.open .modal-card{transform:none}
.modal-card-wide{max-width:840px}
.modal-card-sm{max-width:360px}
.modal-close{position:absolute;top:14px;right:16px;width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.06);color:var(--dim);font-size:18px;line-height:1;transition:.2s;z-index:2}
.modal-close:hover{background:rgba(255,255,255,.14);color:#fff;transform:rotate(90deg)}
.modal-title{font-size:22px;font-weight:800;letter-spacing:.5px}
.modal-sub{color:var(--dim);font-size:13px;margin:6px 0 20px}
.modal-switch{text-align:center;font-size:13px;color:var(--dim);margin-top:18px}
.modal-switch a{color:#ff8fb0;font-weight:700;margin-left:4px}
.modal-switch a:hover{text-decoration:underline}

.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;font-weight:600;color:var(--dim);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:12px;padding:11px 14px;font-size:14px;outline:none;transition:.22s;color:var(--text);resize:vertical}
.field input:focus,.field textarea:focus{border-color:rgba(255,94,138,.55);box-shadow:0 0 0 3px rgba(255,94,138,.15)}
.field textarea{line-height:1.6}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

.accent-picker{display:flex;gap:10px;flex-wrap:wrap}
.swatch{width:34px;height:34px;border-radius:11px;background:var(--c);position:relative;transition:.2s;border:2px solid transparent}
.swatch:hover{transform:scale(1.14)}
.swatch.active{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.2)}
.swatch.active::after{content:'✓';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:900;text-shadow:0 1px 3px rgba(0,0,0,.4)}

.mood-picker{display:flex;gap:6px;flex-wrap:wrap;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:10px}
.mood-btn{width:40px;height:40px;border-radius:11px;font-size:21px;display:flex;align-items:center;justify-content:center;transition:.2s;filter:grayscale(.2)}
.mood-btn:hover{transform:scale(1.15);background:rgba(255,255,255,.08)}
.mood-btn.active{background:rgba(255,255,255,.14);box-shadow:0 0 0 2px var(--acc);transform:scale(1.1)}

.photo-modal-body{display:grid;grid-template-columns:300px 1fr;gap:22px;margin-top:18px}
.photo-preview{height:360px;border-radius:var(--radius);background-size:cover;background-position:center;background-color:#0f0d26;position:sticky;top:0}
.photo-form{min-width:0}

.confirm-text{color:var(--dim);font-size:14px;line-height:1.8;margin-top:14px}

/* ==================== toast ==================== */
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);z-index:200;background:rgba(24,21,54,.92);backdrop-filter:blur(14px);border:1px solid var(--border);padding:12px 22px;border-radius:99px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;box-shadow:var(--shadow);max-width:86vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(255,90,90,.5);color:#ffb0b0}

/* ==================== footer ==================== */
.site-footer{text-align:center;color:var(--faint);font-size:13px;letter-spacing:2px;padding:34px 20px 44px}

/* ==================== 响应式 ==================== */
@media(max-width:960px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .how-steps{grid-template-columns:1fr}
  .photo-modal-body{grid-template-columns:1fr}
  .photo-preview{height:230px;position:relative}
}
@media(max-width:680px){
  main{padding:18px 14px 48px}
  .header-inner{padding:12px 14px;gap:10px}
  .brand-name{font-size:17px}
  .hero{padding:40px 0 20px}
  .hero-actions{flex-direction:column;align-items:stretch;max-width:320px;margin:0 auto}
  .hero-stats{margin-top:32px;padding-top:22px}
  .section{margin-top:52px}
  .feature-grid{grid-template-columns:1fr}
  .album-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .album-card-cover{height:120px}
  .page-head{flex-direction:column;align-items:flex-start}
  .album-tools{gap:8px}
  .album-tools .select{max-width:none;flex:1 1 40%}
  .spacer{display:none}
  .dropzone{padding:28px 14px}
  .photo-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .photo-thumb{height:140px}
  .book-grid{grid-template-columns:1fr}
  .book-img{height:160px}
  .book-page{padding:18px;min-height:0}
  .share-topbar{position:static}
  .album-hero-inner{gap:12px}
  .album-hero-avatar{width:48px;height:48px;font-size:22px}
  .album-actions{width:100%;justify-content:flex-end}
  .field-row{grid-template-columns:1fr}
  .timeline::before{left:14px}
  .tl-item,.tl-item.right{width:100%;margin-left:0;padding:0 0 26px 44px}
  .tl-dot,.tl-item.right .tl-dot{left:3px;right:auto}
  .tl-year{text-align:left;padding-left:6px}
  .pc-only{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}