/* ==========================================================
   光影之间 · BETWEEN LIGHT
   Design tokens & shared system
   ========================================================== */

:root{
  --bg:#0E0D0C;
  --bg-2:#141312;
  --bg-3:#1A1817;
  --card:#161514;
  --line:rgba(242,239,233,.10);
  --line-2:rgba(242,239,233,.18);
  --ink:#F2EFE9;
  --ink-2:rgba(242,239,233,.66);
  --ink-3:rgba(242,239,233,.38);
  --accent:#C2553A;
  --accent-hi:#D9704F;
  --accent-soft:rgba(194,85,58,.14);
  --teal:#5F8F8C;

  --paper:#FAF8F3;
  --paper-2:#F3EFE6;
  --paper-line:#E2DCD0;
  --ink-p:#1B1917;
  --ink-p2:#4A4540;
  --ink-p3:#8A837B;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;

  --nav-h:66px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;outline:none}
::selection{background:var(--accent);color:#fff}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(242,239,233,.14);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:rgba(242,239,233,.26)}

/* ==========================================================
   NAV
   ========================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;gap:28px;padding:0 clamp(18px,4vw,44px);
  transition:background .35s var(--ease),border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.nav.solid{background:rgba(14,13,12,.82);backdrop-filter:blur(14px) saturate(1.2);border-bottom-color:var(--line)}
.nav-brand{display:flex;align-items:baseline;gap:9px;flex:0 0 auto}
/* 品牌字 · 志莽行书（草书感），仅「光影之间」四字子集 2.5KB */
@font-face{
  font-family:'ZMBX';
  src:url(brand-caoshu.woff2) format('woff2'),
      url(brand-caoshu.woff) format('woff');
  font-weight:400;font-style:normal;font-display:swap;
}
.nav-brand b{font-family:'ZMBX',var(--serif);font-size:23px;letter-spacing:.1em;font-weight:400}
.nav-brand span{font-size:8.5px;letter-spacing:.3em;color:var(--ink-3);text-transform:uppercase}
.nav-links{display:flex;gap:2px;margin-left:14px;flex:1 1 auto}
.nav-links a{
  font-size:13.5px;color:var(--ink-2);padding:8px 14px;position:relative;
  transition:color .2s;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.on{color:var(--ink)}
.nav-links a.on::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:1.5px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-icon{width:34px;height:34px;display:grid;place-items:center;color:var(--ink-2);border-radius:50%;transition:.2s}
.nav-icon:hover{color:var(--ink);background:rgba(242,239,233,.07)}
.btn-upload{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 16px;
  background:var(--accent);color:#fff;font-size:13px;letter-spacing:.06em;
  border-radius:2px;transition:.22s var(--ease);
}
.btn-upload:hover{background:var(--accent-hi);transform:translateY(-1px)}
.avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2)}
.nav-burger{display:none;width:34px;height:34px;place-items:center;color:var(--ink-2)}

/* ==========================================================
   LAYOUT
   ========================================================== */
.wrap{max-width:1320px;margin:0 auto;padding:0 clamp(18px,4vw,44px)}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 clamp(18px,4vw,44px)}
.pad-nav{padding-top:var(--nav-h)}

/* ---------- 区块标题 ---------- */
.sec{padding:clamp(48px,7vw,92px) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-head .l{display:flex;align-items:baseline;gap:14px}
.sec-head h2{
  font-family:var(--serif);font-size:clamp(21px,2.6vw,28px);font-weight:600;
  letter-spacing:.06em;line-height:1.3;
}
.sec-head .idx{font-family:var(--serif);font-size:11px;letter-spacing:.2em;color:var(--accent)}
.sec-head .more{font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;transition:.2s;white-space:nowrap}
.sec-head .more:hover{color:var(--accent)}
.sec-sub{font-size:13px;color:var(--ink-3);margin-top:-18px;margin-bottom:28px;max-width:560px}

/* ==========================================================
   HERO
   ========================================================== */
.hero{position:relative;height:min(86vh,760px);min-height:520px;display:flex;align-items:flex-end;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 42%;transform:scale(1.02)}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,13,12,.96) 0%,rgba(14,13,12,.55) 42%,rgba(14,13,12,.30) 70%,rgba(14,13,12,.55) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(34px,6vh,64px)}
.hero-label{
  display:inline-flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.22em;
  color:var(--ink);border:1px solid rgba(242,239,233,.32);padding:5px 13px;margin-bottom:22px;
  backdrop-filter:blur(4px);background:rgba(14,13,12,.25);
}
.hero-label i{width:5px;height:5px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{
  font-family:var(--serif);font-size:clamp(38px,6.6vw,74px);line-height:1.18;font-weight:600;
  letter-spacing:.04em;text-shadow:0 2px 30px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--accent-hi)}
.hero-desc{margin-top:16px;max-width:520px;font-size:14.5px;line-height:1.9;color:rgba(242,239,233,.76)}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;font-size:12.5px;color:var(--ink-2);letter-spacing:.06em}
.hero-meta b{color:var(--ink);font-family:var(--serif);font-size:15px;margin-right:4px}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
[hidden]{display:none!important}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 28px;
  font-size:14px;letter-spacing:.1em;border-radius:2px;transition:.24s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hi);transform:translateY(-2px);box-shadow:0 8px 24px rgba(194,85,58,.3)}
.btn-ghost{border:1px solid rgba(242,239,233,.3);color:var(--ink)}
.btn-ghost:hover{background:rgba(242,239,233,.08);border-color:rgba(242,239,233,.55)}
.hero-scroll{
  position:absolute;right:clamp(18px,4vw,44px);bottom:40px;z-index:2;
  writing-mode:vertical-rl;font-size:10px;letter-spacing:.32em;color:var(--ink-3);
  display:flex;align-items:center;gap:10px;
}
.hero-scroll::after{content:"";width:1px;height:46px;background:linear-gradient(var(--ink-3),transparent)}

/* ==========================================================
   派单条
   ========================================================== */
.dispatch{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  border:1px solid var(--line);background:linear-gradient(100deg,rgba(194,85,58,.10),rgba(194,85,58,.02) 55%,transparent);
  padding:16px 22px;margin-top:-1px;
}
.dispatch .dot-live{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(194,85,58,.18)}
.dispatch .txt{font-size:13.5px;color:var(--ink-2);flex:1 1 280px}
.dispatch .txt b{color:var(--ink);font-weight:600}
.dispatch .bar{flex:0 0 120px;height:3px;background:rgba(242,239,233,.12);position:relative;overflow:hidden}
.dispatch .bar i{position:absolute;inset:0 auto 0 0;width:33%;background:var(--accent)}
.dispatch .go{font-size:12.5px;letter-spacing:.08em;color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:2px;transition:.2s}
.dispatch .go:hover{color:var(--accent)}

/* ==========================================================
   瀑布流照片卡
   ========================================================== */
.masonry{columns:3;column-gap:18px}
.masonry.c2{columns:2}
.masonry .item{break-inside:avoid;margin-bottom:18px;position:relative;display:block;overflow:hidden;background:var(--bg-2)}
.masonry .item img{width:100%;height:auto;transition:transform .7s var(--ease),filter .5s}
.masonry .item:hover img{transform:scale(1.035)}
.masonry .item .ov{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:16px;gap:4px;opacity:0;transition:opacity .35s var(--ease);
  background:linear-gradient(to top,rgba(10,9,8,.88),rgba(10,9,8,.15) 55%,transparent);
}
.masonry .item:hover .ov{opacity:1}
.masonry .item .ov .t{font-family:var(--serif);font-size:15px;letter-spacing:.04em}
.masonry .item .ov .a{font-size:11.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.masonry .item .ov .a img{width:20px;height:20px;border-radius:50%;object-fit:cover}
.masonry .item .badge{
  position:absolute;top:12px;left:12px;font-size:10px;letter-spacing:.14em;
  background:rgba(14,13,12,.72);border:1px solid rgba(242,239,233,.2);
  padding:3px 8px;color:var(--ink);backdrop-filter:blur(6px);
}
.masonry .item .badge.pick{background:var(--accent);border-color:var(--accent)}

/* ==========================================================
   榜单
   ========================================================== */
.board{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.board-top{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.board-card{position:relative;overflow:hidden;aspect-ratio:3/4}
.board-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.board-card:hover img{transform:scale(1.05)}
.board-card .r{
  position:absolute;top:0;left:0;background:var(--accent);color:#fff;
  font-family:var(--serif);font-size:12px;padding:4px 10px;letter-spacing:.1em;
}
.board-card .cap{
  position:absolute;inset:auto 0 0 0;padding:16px;
  background:linear-gradient(to top,rgba(10,9,8,.9),transparent);
}
.board-card .cap b{font-family:var(--serif);font-size:15px;display:block;letter-spacing:.04em}
.board-card .cap span{font-size:11.5px;color:var(--ink-2)}
.rank-list{display:flex;flex-direction:column}
.rank-row{
  display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);
  transition:.2s;
}
.rank-row:hover{background:rgba(242,239,233,.03);padding-left:8px;padding-right:8px}
.rank-row .n{font-family:var(--serif);font-size:12px;color:var(--ink-3);width:22px}
.rank-row img{width:46px;height:46px;object-fit:cover;flex:0 0 46px}
.rank-row .m{flex:1;min-width:0}
.rank-row .m b{display:block;font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-row .m span{font-size:11px;color:var(--ink-3)}
.rank-row .s{font-family:var(--serif);font-size:13px;color:var(--accent)}

/* ==========================================================
   光点条
   ========================================================== */
.spots{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.spot-card{border:1px solid var(--line);background:var(--bg-2);transition:.28s var(--ease);overflow:hidden}
.spot-card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.spot-card img{width:100%;height:130px;object-fit:cover}
.spot-card .b{padding:14px 16px 16px}
.spot-card .b b{font-family:var(--serif);font-size:14.5px;display:block;letter-spacing:.03em}
.spot-card .b span{font-size:11.5px;color:var(--ink-3);display:block;margin-top:3px}
.spot-card .b em{font-style:normal;color:var(--teal);font-size:11px;letter-spacing:.04em;display:block;margin-top:8px}

/* ==========================================================
   通用页头（内页）
   ========================================================== */
.page-head{padding:calc(var(--nav-h) + clamp(40px,7vw,80px)) 0 clamp(28px,4vw,44px);border-bottom:1px solid var(--line)}
.page-head .kicker{font-size:11px;letter-spacing:.26em;color:var(--accent);margin-bottom:16px}
.page-head h1{font-family:var(--serif);font-size:clamp(30px,5vw,52px);line-height:1.22;font-weight:600;letter-spacing:.04em}
.page-head p{max-width:600px;margin-top:14px;color:var(--ink-2);font-size:14px;line-height:1.9}

/* ---------- 标签 / chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12.5px;color:var(--ink-2);border:1px solid var(--line-2);padding:6px 15px;
  border-radius:100px;transition:.2s;letter-spacing:.04em;
}
.chip:hover{color:var(--ink);border-color:rgba(242,239,233,.4)}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* ==========================================================
   命题页
   ========================================================== */
.chal-hero{position:relative;padding:calc(var(--nav-h) + 60px) 0 40px;overflow:hidden}
.chal-hero .bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.30;filter:saturate(.9)}
.chal-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(14,13,12,.72),var(--bg) 92%)}
.chal-hero .in{position:relative;z-index:2}
.chal-no{font-family:var(--serif);font-size:13px;letter-spacing:.24em;color:var(--accent);margin-bottom:14px}
.chal-hero h1{font-family:var(--serif);font-size:clamp(32px,5.6vw,62px);line-height:1.2;font-weight:600;letter-spacing:.03em}
.chal-hero .sub{margin-top:18px;max-width:620px;color:var(--ink-2);font-size:14.5px;line-height:1.95}
.countdown{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
.countdown .unit{text-align:left}
.countdown .unit b{font-family:var(--serif);font-size:30px;line-height:1;display:block}
.countdown .unit span{font-size:10.5px;letter-spacing:.2em;color:var(--ink-3);display:block;margin-top:7px}
.countdown .sep{width:1px;background:var(--line-2);margin:4px 0}

.brief{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;padding:40px 0;border-top:1px solid var(--line)}
.brief h3{font-family:var(--serif);font-size:15px;letter-spacing:.1em;margin-bottom:14px;color:var(--ink)}
.brief p{font-size:13.5px;line-height:2;color:var(--ink-2)}
.brief ul{list-style:none;font-size:13px;color:var(--ink-2)}
.brief li{padding:9px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px}
.brief li i{font-style:normal;color:var(--accent);font-family:var(--serif);font-size:11px;padding-top:3px}
.inspire{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.inspire img{width:100%;aspect-ratio:1;object-fit:cover;filter:saturate(.95)}

/* ==========================================================
   作品详情
   ========================================================== */
.photo-layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:0;align-items:start;padding-top:var(--nav-h)}
.photo-stage{position:relative;background:#080807;display:grid;place-items:center;min-height:calc(100vh - var(--nav-h));padding:28px}
.photo-stage img{max-height:calc(100vh - var(--nav-h) - 56px);width:auto;max-width:100%;object-fit:contain}
.photo-side{padding:40px 34px 60px;border-left:1px solid var(--line);min-height:calc(100vh - var(--nav-h))}
.author-row{display:flex;align-items:center;gap:12px}
.author-row img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.author-row b{font-size:14.5px;font-weight:600;display:block}
.author-row span{font-size:11.5px;color:var(--ink-3)}
.photo-title{font-family:var(--serif);font-size:24px;line-height:1.45;margin:22px 0 10px;letter-spacing:.03em}
.photo-desc{font-size:13.5px;color:var(--ink-2);line-height:1.95}
.spec{margin-top:26px;border-top:1px solid var(--line)}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.spec-row span{color:var(--ink-3)}
.spec-row b{font-weight:500;font-family:ui-monospace,Consolas,monospace;font-size:12px;letter-spacing:.02em}
.recipe{margin-top:22px;border:1px solid var(--line);padding:16px 18px;background:var(--bg-2)}
.recipe .h{font-size:11px;letter-spacing:.2em;color:var(--accent);margin-bottom:10px}
.recipe p{font-size:12.5px;color:var(--ink-2);line-height:1.9}

/* ---------- 评论 ---------- */
.cmts{margin-top:34px;border-top:1px solid var(--line);padding-top:22px}
.cmts .h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.cmts .h b{font-family:var(--serif);font-size:15px;letter-spacing:.08em}
.cmts .h span{font-size:11.5px;color:var(--ink-3)}
.cmt{padding:16px 0;border-bottom:1px solid var(--line)}
.cmt-h{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink-3);margin-bottom:7px}
.cmt-h img{width:24px;height:24px;border-radius:50%;object-fit:cover}
.cmt-h b{color:var(--ink);font-weight:500;font-size:12.5px}
.cmt-h .lv{font-size:9.5px;border:1px solid var(--line-2);padding:0 5px;color:var(--ink-3);letter-spacing:.06em}
.cmt p{font-size:13px;line-height:1.95;color:var(--ink-2)}
.cmt-f{display:flex;gap:16px;margin-top:9px;font-size:11.5px;color:var(--ink-3)}
.cmt-f button{font-size:11.5px;color:var(--ink-3);transition:.2s;display:inline-flex;align-items:center;gap:5px}
.cmt-f button:hover{color:var(--ink)}
.cmt-f button.act{color:var(--accent)}
.cmt-box{margin-top:20px;border:1px solid var(--line-2);padding:14px 16px;background:var(--bg-2);transition:border-color .25s}
.cmt-box:focus-within{border-color:rgba(194,85,58,.6)}
.cmt-box textarea{width:100%;min-height:64px;resize:vertical;font-size:13px;line-height:1.8;color:var(--ink)}
.cmt-box textarea::placeholder{color:var(--ink-3)}
.cmt-box .foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.cmt-box .hint{font-size:11px;color:var(--ink-3)}
.cmt-box .send{font-size:12.5px;color:var(--accent);letter-spacing:.08em;border:1px solid var(--accent);padding:5px 16px;transition:.2s}
.cmt-box .send:hover{background:var(--accent);color:#fff}

/* ==========================================================
   学院（纸感）
   ========================================================== */
body.paper{background:var(--paper);color:var(--ink-p)}
body.paper .sec-head h2,body.paper .page-head h1{color:var(--ink-p)}
body.paper .page-head{border-bottom-color:var(--paper-line)}
body.paper .page-head p{color:var(--ink-p2)}
body.paper .sec-head .more{color:var(--ink-p3)}
body.paper .sec-head .more:hover{color:var(--accent)}
.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lesson{border:1px solid var(--paper-line);background:#fff;padding:22px;transition:.25s var(--ease);position:relative;overflow:hidden}
.lesson:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(27,25,23,.07)}
.lesson .n{font-family:var(--serif);font-size:11px;color:var(--accent);letter-spacing:.18em}
.lesson h4{font-family:var(--serif);font-size:17px;margin:8px 0 6px;letter-spacing:.03em;color:var(--ink-p)}
.lesson p{font-size:12.5px;color:var(--ink-p2);line-height:1.85}
.lesson .meta{margin-top:14px;font-size:11px;color:var(--ink-p3);display:flex;gap:12px;border-top:1px dashed var(--paper-line);padding-top:10px}
.card-tip{border:1px solid var(--paper-line);background:var(--paper-2);padding:18px}
.card-tip .tag{font-size:10px;letter-spacing:.16em;color:var(--accent);display:block;margin-bottom:8px}
.card-tip b{font-family:var(--serif);font-size:14.5px;display:block;margin-bottom:6px;color:var(--ink-p)}
.card-tip p{font-size:12.5px;color:var(--ink-p2);line-height:1.85}

/* ==========================================================
   光点地图
   ========================================================== */
.map-wrap{position:relative;border:1px solid var(--line);background:#121110;overflow:hidden;height:460px}
.map-wrap svg{width:100%;height:100%;display:block}
.pin{position:absolute;transform:translate(-50%,-100%);cursor:pointer;z-index:3}
.pin i{
  display:block;width:11px;height:11px;background:var(--accent);border-radius:50% 50% 50% 0;
  transform:rotate(-45deg);box-shadow:0 0 0 4px rgba(194,85,58,.18);
  transition:.25s;
}
.pin:hover i{box-shadow:0 0 0 8px rgba(194,85,58,.24);background:var(--accent-hi)}
.pin b{
  position:absolute;left:16px;top:-4px;white-space:nowrap;font-size:11.5px;font-weight:400;
  color:var(--ink);background:rgba(14,13,12,.8);border:1px solid var(--line-2);padding:2px 8px;
  opacity:0;transition:.2s;transform:translateX(-4px);
}
.pin:hover b{opacity:1;transform:translateX(0)}

/* ==========================================================
   个人中心
   ========================================================== */
.profile-head{position:relative;padding:calc(var(--nav-h) + 54px) 0 0}
.profile-cover{position:absolute;inset:0;height:260px;overflow:hidden}
.profile-cover img{width:100%;height:100%;object-fit:cover;opacity:.42}
.profile-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(14,13,12,.35),var(--bg))}
.profile-main{position:relative;z-index:2;display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap;padding-top:120px}
.profile-main .ava{width:104px;height:104px;border-radius:50%;object-fit:cover;border:2px solid var(--bg);box-shadow:0 0 0 1px var(--line-2)}
.profile-id{flex:1;min-width:220px}
.profile-id h1{font-family:var(--serif);font-size:30px;letter-spacing:.06em;display:flex;align-items:center;gap:12px}
.profile-id .lv{font-size:10.5px;letter-spacing:.16em;color:var(--accent);border:1px solid var(--accent);padding:2px 9px;font-family:var(--sans)}
.profile-id p{font-size:13px;color:var(--ink-2);margin-top:8px;max-width:460px;line-height:1.85}
.profile-actions{display:flex;gap:10px;padding-bottom:6px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:34px}
.stat{background:var(--bg);padding:20px 22px}
.stat b{font-family:var(--serif);font-size:26px;display:block;line-height:1.2}
.stat b small{font-size:12px;color:var(--ink-3);margin-left:3px;font-family:var(--sans)}
.stat span{font-size:11.5px;color:var(--ink-3);letter-spacing:.1em}
.progress{margin-top:26px}
.progress .bar-h{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-3);margin-bottom:8px}
.progress .bar{height:4px;background:rgba(242,239,233,.1);position:relative}
.progress .bar i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--accent),var(--accent-hi))}
.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-top:38px}
.tabs button{font-size:13.5px;color:var(--ink-3);padding:0 0 12px;position:relative;letter-spacing:.06em;transition:.2s}
.tabs button:hover{color:var(--ink-2)}
.tabs button.on{color:var(--ink)}
.tabs button.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1.5px;background:var(--accent)}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer{border-top:1px solid var(--line);padding:56px 0 34px;margin-top:40px}
.footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.footer .brand b{font-family:var(--serif);font-size:17px;letter-spacing:.24em;display:block}
.footer .brand span{font-size:8.5px;letter-spacing:.3em;color:var(--ink-3);display:block;margin-top:6px}
.footer .brand p{font-size:12.5px;color:var(--ink-3);margin-top:16px;line-height:1.9;max-width:260px}
.footer h5{font-size:11px;letter-spacing:.2em;color:var(--ink-3);margin-bottom:14px;font-weight:400}
.footer li{list-style:none;font-size:12.5px;color:var(--ink-2);padding:5px 0;transition:.2s}
.footer li:hover{color:var(--ink)}
.footer .bt{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.footer .bt .names{font-family:var(--serif);letter-spacing:.1em}
/* 备案号：低调、可点击，与页脚同级但更轻 */
.footer .bt .icp{display:inline-flex;gap:8px;align-items:center;margin-left:4px}
.footer .bt .icp:empty{display:none}
.footer .bt .icp a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.footer .bt .icp a:hover{color:var(--ink-2);border-bottom-color:var(--line-2)}
/* 作品页没有整块页脚，单独一条极简备案行 */
.icp-bar{max-width:1200px;margin:0 auto;padding:8px 24px 34px;font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-align:right}
.icp-bar span:empty{display:none}
.icp-bar a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.icp-bar a:hover{color:var(--ink-2);border-bottom-color:var(--line-2)}
@media (max-width:720px){.icp-bar{padding:4px 18px 28px;text-align:left}}

/* ==========================================================
   动效
   ========================================================== */
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width:1100px){
  .photo-layout{grid-template-columns:1fr}
  .photo-side{border-left:0;border-top:1px solid var(--line);min-height:0;padding-top:34px}
  .photo-stage{min-height:auto;padding:0}
  .photo-stage img{max-height:76vh;width:100%}
  .board{grid-template-columns:1fr}
  .spots{grid-template-columns:repeat(2,1fr)}
  .lesson-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  :root{--nav-h:58px}
  .nav-links{display:none}
  .nav-burger{display:grid}
  .nav{gap:14px}
  .nav-brand span{display:none}
  .masonry{columns:2;column-gap:10px}
  .masonry .item{margin-bottom:10px}
  .brief{grid-template-columns:1fr;gap:22px;padding:30px 0}
  .inspire{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer .top{grid-template-columns:1fr 1fr;gap:26px}
  .board-top{grid-template-columns:1fr}
  .hero{height:auto;min-height:0;padding-top:calc(var(--nav-h) + 40px);padding-bottom:34px}
  .hero::after{background:linear-gradient(to top,rgba(14,13,12,.94) 6%,rgba(14,13,12,.42) 60%,rgba(14,13,12,.72) 100%)}
  .hero-img{object-position:center}
  .hero-scroll{display:none}
  .hero-meta{gap:16px}
  .hero-actions .btn{flex:1}
  .lesson-grid{grid-template-columns:1fr}
  .map-wrap{height:340px}
  .dispatch{padding:14px 16px;gap:12px}
  .dispatch .bar{display:none}
}
@media (max-width:520px){
  .masonry{columns:2}
  .spots{grid-template-columns:1fr}
  .profile-head .profile-actions{width:100%}
  .profile-head .profile-actions .btn{flex:1}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(14,13,12,.97);backdrop-filter:blur(16px);
  display:flex;flex-direction:column;justify-content:center;padding:0 32px;gap:4px;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto}

/* ==========================================================
   登录浮层 / 动态数据态
   ========================================================== */
#lbAuthModal{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease)}
#lbAuthModal.open{opacity:1;pointer-events:auto}
#lbAuthModal .lb-mask{position:absolute;inset:0;background:rgba(8,7,6,.78);backdrop-filter:blur(10px)}
#lbAuthModal .lb-dialog{position:relative;z-index:2;width:min(400px,100%);max-height:calc(100dvh - 40px)}
#lbAuthModal .lb-panel{
  position:relative;width:100%;max-height:calc(100dvh - 40px);overflow-y:auto;overscroll-behavior:contain;
  background:var(--bg-2);border:1px solid var(--line-2);padding:38px 34px 30px;
  transform:translateY(14px);transition:transform .3s var(--ease);
}
#lbAuthModal.open .lb-panel{transform:none}
#lbAuthModal .lb-x{position:absolute;z-index:3;top:6px;right:8px;width:44px;height:44px;display:grid;place-items:center;
  padding:0;font-size:24px;line-height:1;color:var(--ink-3);background:var(--bg-2);border:0;cursor:pointer;touch-action:manipulation}
#lbAuthModal .lb-x:hover{color:var(--ink)}
#lbAuthModal .lb-x:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
#lbAuthModal .lb-brand{font-family:var(--serif);font-size:22px;letter-spacing:.24em;margin-bottom:8px}
#lbAuthModal .lb-slogan{font-size:12.5px;color:var(--ink-3);letter-spacing:.1em;margin-bottom:26px}
#lbAuthModal label{display:block;font-size:11px;letter-spacing:.14em;color:var(--ink-3);margin-bottom:16px}
#lbAuthModal input{
  display:block;width:100%;margin-top:7px;padding:11px 13px;font-size:13.5px;color:var(--ink);
  background:var(--bg);border:1px solid var(--line-2);border-radius:2px;transition:border-color .2s;
}
#lbAuthModal input:focus{border-color:rgba(194,85,58,.7);outline:none}
#lbAuthModal .lb-err{min-height:18px;font-size:12px;color:var(--accent-hi);margin-bottom:8px}
#lbAuthModal .lb-go{width:100%;height:44px;background:var(--accent);color:#fff;font-size:14px;
  letter-spacing:.12em;border-radius:2px;transition:.2s}
#lbAuthModal .lb-go:hover{background:var(--accent-hi)}
#lbAuthModal .lb-go:disabled{opacity:.5;cursor:wait}
#lbAuthModal .lb-note{font-size:11px;color:var(--ink-3);line-height:1.8;margin-top:16px}
@media(max-width:480px){
  #lbAuthModal{padding:12px}
  #lbAuthModal .lb-dialog,#lbAuthModal .lb-panel{max-height:calc(100dvh - 24px)}
  #lbAuthModal .lb-panel{padding:32px 22px 24px}
}

/* 互评派单卡片（动态渲染） */
.lb-dispatch-card{border:1px solid var(--line);background:var(--bg-2);margin-bottom:18px}
.lb-dispatch-card.done{opacity:.45}
.lb-dispatch-card .dc-img{width:100%;height:280px;object-fit:cover;display:block}
.lb-dispatch-card .dc-body{padding:16px 18px 20px;border-top:0}
.lb-dispatch-card .dc-meta{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink-3);margin-bottom:10px}
.lb-dispatch-card .dc-meta img{width:22px;height:22px;border-radius:50%;object-fit:cover}
.lb-dispatch-card .dc-title{font-family:var(--serif);font-size:16px;margin-bottom:12px}
.lb-dispatch-card.done .dc-tag{display:inline-block;font-size:11px;color:var(--teal);letter-spacing:.08em}
/* 登录前占位 */
.lb-gate{
  border:1px dashed var(--line-2);padding:26px 22px;text-align:center;font-size:13px;
  color:var(--ink-2);line-height:1.9;
}
.lb-gate button{color:var(--accent-hi);border-bottom:1px solid var(--accent);padding-bottom:1px;font-size:13px}
.drawer a{font-family:var(--serif);font-size:26px;letter-spacing:.1em;padding:12px 0;border-bottom:1px solid var(--line)}
.drawer .close{position:absolute;top:20px;right:24px;font-size:26px;color:var(--ink-2)}

/* ==========================================================
   v2.0 · 往期题目库 / 排序 chips in sec-head / em in tabs
   ========================================================== */
.sec-head .chips{margin-bottom:6px}
.tabs button em{font-style:normal;color:var(--ink-3);font-size:12px;margin-left:4px}

.arch-card{
  display:block;border:1px solid var(--line);background:var(--bg-2);
  overflow:hidden;transition:.25s var(--ease);position:relative
}
.arch-card:hover{border-color:rgba(194,85,58,.5);transform:translateY(-3px)}
.arch-card img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.92)}
.arch-card:hover img{filter:saturate(1)}
.arch-card .arch-b{padding:16px 18px 18px}
.arch-card .arch-no{font-size:10.5px;letter-spacing:.22em;color:var(--accent);margin-bottom:8px}
.arch-card b{font-family:var(--serif);font-size:16.5px;font-weight:600;letter-spacing:.04em;display:block;margin-bottom:8px}
.arch-card p{font-size:12px;color:var(--ink-2);line-height:1.8;margin-bottom:12px}
.arch-card .arch-m{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--ink-3)}
.arch-card .arch-m i{font-style:normal;border:1px solid var(--line-2);padding:1px 8px;margin-right:6px;letter-spacing:.08em}
.arch-card .arch-m em{font-style:normal;color:rgba(217,164,79,.9);letter-spacing:.2em}
.arch-card .arch-m time{letter-spacing:.06em}

/* ---------- 阶段二：学院 / 光点 / 光影值 ---------- */
.lesson .done-mark{display:none;position:absolute;top:16px;right:16px;font-size:11px;color:#fff;background:var(--teal);
  padding:2px 10px;border-radius:2px;letter-spacing:.1em}
.lesson.done .done-mark{display:block}
.lesson.done{border-color:rgba(95,143,140,.6)}
.card-tip{position:relative}
.tip-save{position:absolute;top:14px;right:14px;font-size:17px;color:var(--ink-p3);transition:.2s;line-height:1}
.tip-save:hover{color:var(--accent);transform:scale(1.15)}
.tip-save.on{color:var(--accent)}
.dict-row{cursor:pointer;transition:.15s}
.dict-row:hover td,.dict-row.sel td{color:var(--ink)}
.dict-row.sel td:first-child .term{color:var(--accent)}
.dict-pop{position:absolute;z-index:60;background:#fff;border:1px solid var(--paper-line);
  box-shadow:0 18px 44px rgba(27,25,23,.18);padding:16px 18px;max-width:300px;font-size:12.5px;
  color:var(--ink-p2);line-height:1.9}
.dict-pop b{display:block;font-family:var(--serif);color:var(--ink-p);margin-bottom:6px;font-size:14px}
.spot-act{border-top:1px dashed var(--line);margin-top:14px;padding-top:14px;display:flex;gap:12px;align-items:center}
.btn-checkin{height:34px;padding:0 18px;font-size:12px;background:var(--teal);color:#fff;transition:.2s}
.btn-checkin:hover{filter:brightness(1.1)}
.btn-checkin.done{background:transparent;border:1px solid var(--teal);color:var(--teal);cursor:default}
.light-panel{border:1px solid var(--line);background:var(--bg-2);padding:22px 26px;margin-top:18px}
.light-panel .h{font-size:10.5px;letter-spacing:.22em;color:var(--accent);margin-bottom:16px}
.light-panel .big{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.light-panel .big b{font-family:var(--serif);font-size:40px;font-weight:600;color:var(--ink)}
.light-panel .big span{font-size:12px;color:var(--ink-3)}
.light-bars{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px}
.light-bar .t{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-2);margin-bottom:6px}
.light-bar .bar{height:4px;background:rgba(242,239,233,.1);position:relative}
.light-bar .bar i{position:absolute;left:0;top:0;bottom:0;background:var(--accent);transition:width .6s var(--ease)}
.light-bar:nth-child(2) .bar i{background:var(--teal)}
.light-bar:nth-child(4) .bar i{background:var(--teal)}