/* =========================================================
   承曜 · 曜剧场  全站设计系统
   意象：舞台光 / 节目册 / 印章 / 幕布
   ========================================================= */

:root{
  /* 纸与墨 */
  --paper:#FBF6EE;
  --paper-2:#F4E9D8;
  --paper-3:#ECDCC4;
  --ink:#221C14;
  --ink-2:#4E4438;
  --ink-3:#7C6F5D;
  --ink-4:#8C8171;

  /* 光与幕 */
  --amber:#C9822C;
  --amber-2:#E8A33D;
  --amber-soft:#F3E0BE;
  --amber-text:#8A5410;      /* 纸底上的可读金色 */
  --curtain:#8E3B2E;
  --curtain-2:#B05240;
  --jade:#3F6B5E;
  --jade-soft:#DCE7E1;

  /* 线 */
  --line:rgba(34,28,20,.12);
  --line-2:rgba(34,28,20,.24);

  /* 剧场夜色（演出厅专用） */
  --night:#191410;
  --night-2:#241C16;
  --night-3:#322721;

  --radius:2px;
  --shadow-soft:0 2px 20px rgba(34,28,20,.06);
  --shadow-lift:0 18px 46px -18px rgba(34,28,20,.28);

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

  --head-h:118px;   /* 头部总高（含须知条） */
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.85;
  letter-spacing:.01em;
  /* 宣纸纹理：极淡的双层径向光斑 */
  background-image:
    radial-gradient(1000px 520px at 12% -8%, rgba(232,163,61,.16), transparent 62%),
    radial-gradient(820px 460px at 92% 4%, rgba(142,59,46,.09), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;color:inherit;}

h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:.02em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

.wrap{width:min(1240px,92vw);margin:0 auto;}
.wrap-narrow{width:min(940px,92vw);margin:0 auto;}

/* ---------- 通用：栏目标头（编辑感，不用卡片） ---------- */
.sec{padding:74px 0;position:relative;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:34px;}
.sec-title{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);letter-spacing:.06em;}
.sec-title em{font-style:normal;color:var(--curtain);}
.sec-en{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--ink-4);margin-top:6px;}
.sec-note{max-width:44ch;font-size:13px;color:var(--ink-3);line-height:1.9;}
.sec-num{font-family:var(--serif);font-size:13px;letter-spacing:.3em;color:var(--amber-text);white-space:nowrap;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:11px 24px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  border-radius:var(--radius);font-size:14px;letter-spacing:.08em;cursor:pointer;
  transition:.28s cubic-bezier(.2,.7,.3,1);}
.btn:hover{background:var(--curtain);border-color:var(--curtain);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.btn-gold{background:linear-gradient(135deg,var(--amber-2),var(--amber));border-color:transparent;color:#2A1A06;font-weight:600;}
.btn-gold:hover{filter:brightness(1.06);background:linear-gradient(135deg,var(--amber-2),var(--amber));}
.btn-sm{padding:7px 16px;font-size:13px;}
.btn-block{width:100%;}

/* ---------- 徽标 / 标签 ---------- */
.tag{display:inline-block;padding:2px 9px;font-size:11px;letter-spacing:.1em;
  border:1px solid var(--line-2);color:var(--ink-2);border-radius:1px;background:rgba(255,255,255,.5);}
.tag-free{color:var(--jade);border-color:rgba(63,107,94,.35);background:var(--jade-soft);}
.tag-coin{color:var(--amber-text);border-color:rgba(201,130,44,.4);background:var(--amber-soft);}
.tag-level{color:var(--curtain);border-color:rgba(142,59,46,.3);background:rgba(142,59,46,.06);}

/* ---------- 印章 ---------- */
.seal{display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:4px;background:var(--curtain);color:#FFF3E4;
  font-family:var(--serif);font-size:24px;line-height:1;letter-spacing:0;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.28);}
.seal-sm{width:38px;height:38px;font-size:18px;}

/* =========================================================
   头部：三层结构（顶部公示条 / 主导航 / 观演须知条）
   ========================================================= */
.stage-head{position:sticky;top:0;z-index:80;background:rgba(251,246,238,.94);
  backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line);}

.head-top{background:var(--ink);color:rgba(251,246,238,.82);font-size:12px;letter-spacing:.06em;}
.head-top .wrap{display:flex;align-items:center;justify-content:space-between;height:34px;gap:16px;flex-wrap:wrap;}
.head-top a{color:rgba(251,246,238,.82);transition:.2s;}
.head-top a:hover{color:var(--amber-2);}
.head-top .ht-left{display:flex;gap:18px;align-items:center;}
.head-top .ht-right{display:flex;gap:18px;align-items:center;flex-wrap:wrap;}
.head-top .dot{width:3px;height:3px;border-radius:50%;background:rgba(251,246,238,.4);display:inline-block;}

.head-main{height:56px;}
.head-main .wrap{display:flex;align-items:center;gap:26px;height:56px;}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand .logo{width:38px;height:38px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{display:block;font-family:var(--serif);font-size:17px;letter-spacing:.02em;line-height:1.25;white-space:nowrap;}
.brand-sub{display:block;font-size:10px;letter-spacing:.26em;color:var(--ink-3);margin-top:2px;white-space:nowrap;}

.nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav a{position:relative;padding:8px 14px;font-size:14.5px;letter-spacing:.08em;color:var(--ink-2);transition:.24s;}
.nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--curtain);transform:scaleX(0);transform-origin:left;transition:.28s;}
.nav a:hover{color:var(--ink);}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1);}
.nav a.on{color:var(--ink);font-weight:600;}

.head-user{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:18px;}
.coin-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  background:var(--amber-soft);color:var(--amber-text);font-size:12.5px;letter-spacing:.04em;white-space:nowrap;}
.coin-chip b{font-variant-numeric:tabular-nums;font-size:14px;}
.user-name{max-width:10ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);background:transparent;
  border-radius:2px;cursor:pointer;align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:1px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--ink);}
.burger span::before{top:-6px;} .burger span::after{top:6px;}

/* 观演须知条：协议不做下拉，按权重平铺 */
.head-policy{border-top:1px solid var(--line);background:rgba(244,233,216,.6);}
.head-policy .wrap{display:flex;align-items:center;gap:10px;min-height:44px;flex-wrap:wrap;padding:7px 0;}
.hp-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.18em;
  color:var(--curtain);white-space:nowrap;padding-right:12px;border-right:1px solid var(--line);margin-right:6px;}
.hp-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.hp-links a{font-size:13px;color:var(--ink-2);padding:4px 10px;border:1px solid transparent;
  border-radius:999px;transition:.22s;white-space:nowrap;}
.hp-links a:hover{background:var(--paper);border-color:var(--line-2);color:var(--curtain);}
.hp-links a.hot{color:var(--curtain);font-weight:600;}
.hp-all{margin-left:auto;font-size:12.5px;color:var(--ink-3);letter-spacing:.06em;white-space:nowrap;}
.hp-all:hover{color:var(--curtain);}

/* =========================================================
   主内容
   ========================================================= */
main{min-height:52vh;}

/* 面包屑 */
.crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);
  padding:22px 0 0;letter-spacing:.06em;}
.crumbs a:hover{color:var(--curtain);}
.crumbs .sep{color:var(--ink-4);}

/* 幕布弧线分隔 */
.curtain-div{height:34px;background:
  radial-gradient(140% 100% at 50% 0%, transparent 60%, rgba(142,59,46,.07) 61%);}

/* ---------- 作品封面（canvas 截帧 + 兜底光斑） ---------- */
.frame{position:relative;overflow:hidden;background:
  linear-gradient(150deg,#2B211A 0%,#4A3728 52%,#7A5B33 100%);
  display:flex;align-items:center;justify-content:center;}
.frame img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;}
.frame.ratio-16{aspect-ratio:16/9;}
.frame.ratio-4{aspect-ratio:4/3;}
.frame.ratio-1{aspect-ratio:1/1;}
.frame .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(251,246,238,.5);font-family:var(--serif);font-size:26px;letter-spacing:.2em;}
.frame .play-mark{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(251,246,238,.7);
  display:flex;align-items:center;justify-content:center;opacity:0;transition:.3s;
  background:rgba(25,20,16,.28);backdrop-filter:blur(2px);}
.frame .play-mark svg{margin-left:3px;}
.frame:hover .play-mark{opacity:1;transform:translate(-50%,-50%) scale(1.06);}
.frame .badge{position:absolute;left:10px;top:10px;z-index:2;}

/* ---------- 提示条 ---------- */
.notice{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;margin:22px 0;
  border-left:3px solid var(--curtain);background:rgba(142,59,46,.05);font-size:13.5px;color:var(--ink-2);}
.notice.ok{border-color:var(--jade);background:var(--jade-soft);}
.notice.gold{border-color:var(--amber);background:var(--amber-soft);color:#6B4410;}
.notice b{color:var(--ink);}

/* ---------- 空态 ---------- */
.empty{padding:60px 0;text-align:center;color:var(--ink-3);font-size:14px;}

/* ---------- Toast ---------- */
.toast-box{position:fixed;left:50%;top:92px;transform:translateX(-50%);z-index:999;display:flex;
  flex-direction:column;gap:10px;align-items:center;pointer-events:none;}
.toast{background:var(--ink);color:var(--paper);padding:11px 22px;border-radius:2px;font-size:13.5px;
  box-shadow:var(--shadow-lift);animation:tin .3s ease;letter-spacing:.04em;max-width:82vw;}
.toast.ok{background:var(--jade);}
.toast.err{background:var(--curtain);}
@keyframes tin{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:none;}}

/* =========================================================
   页脚
   ========================================================= */
.stage-foot{margin-top:80px;background:var(--ink);color:rgba(251,246,238,.72);position:relative;overflow:hidden;}
.stage-foot::before{content:"";position:absolute;left:50%;top:-120px;width:900px;height:300px;
  transform:translateX(-50%);background:radial-gradient(closest-side,rgba(232,163,61,.22),transparent 70%);pointer-events:none;}
.foot-top{padding:56px 0 34px;display:grid;grid-template-columns:1.1fr 1fr;gap:52px;position:relative;}
.foot-brand{font-family:var(--serif);font-size:34px;letter-spacing:.18em;color:var(--paper);}
.foot-slogan{font-size:13px;letter-spacing:.22em;color:rgba(251,246,238,.5);margin-top:10px;}
.foot-contact{margin-top:24px;font-size:13.5px;line-height:2.3;}
.foot-contact span{color:rgba(251,246,238,.45);display:inline-block;width:4.5em;}
.foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.foot-h{font-size:12px;letter-spacing:.26em;color:var(--amber-2);margin-bottom:16px;}
.foot-links{list-style:none;margin:0;padding:0;font-size:13.5px;line-height:2.15;}
.foot-links a{transition:.2s;}
.foot-links a:hover{color:var(--amber-2);padding-left:4px;}

.foot-policy{border-top:1px solid rgba(251,246,238,.12);padding:30px 0;}
.foot-policy .fp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px 22px;font-size:13px;}
.foot-policy a{color:rgba(251,246,238,.7);transition:.2s;}
.foot-policy a:hover{color:var(--amber-2);}
.fp-title{grid-column:1/-1;font-size:12px;letter-spacing:.26em;color:var(--amber-2);margin-bottom:6px;}

.foot-bottom{border-top:1px solid rgba(251,246,238,.12);padding:20px 0 34px;font-size:12.5px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:rgba(251,246,238,.5);}
.foot-bottom a{color:rgba(251,246,238,.62);}
.foot-bottom a:hover{color:var(--amber-2);}

/* =========================================================
   条款文档排版（工业级长文）
   ========================================================= */
.doc{padding:44px 0 20px;}
.doc-head{border-bottom:2px solid var(--ink);padding-bottom:22px;margin-bottom:8px;}
.doc-kicker{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--amber-text);}
.doc-title{font-family:var(--serif);font-size:clamp(26px,3.4vw,40px);letter-spacing:.04em;margin:10px 0 12px;}
.doc-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3);}
.doc-meta b{color:var(--ink-2);font-weight:600;}
.doc-lead{margin:26px 0 34px;padding:20px 24px;background:var(--paper-2);
  border-left:3px solid var(--amber);font-size:14.5px;line-height:2;color:var(--ink-2);}

.doc-body{display:grid;grid-template-columns:210px 1fr;gap:56px;align-items:start;}
.doc-toc{position:sticky;top:150px;font-size:13px;}
.doc-toc .toc-h{font-size:11px;letter-spacing:.26em;color:var(--ink-4);margin-bottom:14px;}
.doc-toc ol{list-style:none;margin:0;padding:0;counter-reset:t;}
.doc-toc li{counter-increment:t;margin-bottom:9px;line-height:1.65;}
.doc-toc li::before{content:counter(t,decimal-leading-zero);color:var(--amber-text);
  font-family:var(--mono);font-size:11px;margin-right:8px;}
.doc-toc a{color:var(--ink-2);transition:.2s;}
.doc-toc a:hover{color:var(--curtain);}
.doc-toc a.on{color:var(--curtain);font-weight:600;}

.doc-main h2{font-family:var(--serif);font-size:22px;letter-spacing:.05em;margin:46px 0 16px;
  padding-left:14px;border-left:4px solid var(--amber);}
.doc-main h3{font-size:16.5px;margin:28px 0 10px;color:var(--ink);letter-spacing:.04em;}
.doc-main h3::before{content:"§ ";color:var(--amber-text);font-family:var(--mono);}
.doc-main p{font-size:14.8px;line-height:2.05;color:var(--ink-2);text-align:justify;}
.doc-main ul,.doc-main ol{margin:0 0 18px;padding-left:22px;font-size:14.8px;line-height:2;color:var(--ink-2);}
.doc-main li{margin-bottom:6px;}
.doc-main strong{color:var(--ink);}
.doc-table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:13.8px;}
.doc-table th,.doc-table td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.doc-table th{background:var(--paper-2);font-weight:600;color:var(--ink);}
.doc-table td{color:var(--ink-2);}
.doc-note{background:var(--paper-2);padding:16px 20px;font-size:13.6px;color:var(--ink-2);
  border-left:3px solid var(--jade);margin:18px 0;}
.doc-warn{border-left-color:var(--curtain);background:rgba(142,59,46,.05);}
.doc-signature{margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);line-height:2.1;}
.doc-updated{display:inline-block;margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--ink-3);}

/* =========================================================
   表单
   ========================================================= */
.form-row{margin-bottom:18px;}
.form-label{display:block;font-size:13px;letter-spacing:.1em;color:var(--ink-2);margin-bottom:8px;}
.form-label .opt{color:var(--ink-4);font-size:11.5px;letter-spacing:.04em;margin-left:6px;}
.input,.select,textarea.input{width:100%;padding:12px 14px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.68);border-radius:2px;font-size:14.5px;color:var(--ink);
  font-family:inherit;transition:.22s;outline:none;}
.input:focus,.select:focus{border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(201,130,44,.12);}
.input::placeholder{color:var(--ink-4);}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),
  linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.agree{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.6);font-size:13.4px;line-height:1.9;color:var(--ink-2);border-radius:2px;}
.agree input{margin-top:5px;width:16px;height:16px;accent-color:var(--curtain);flex:0 0 auto;}
.agree a{color:var(--curtain);text-decoration:underline;text-underline-offset:3px;}
.agree a:hover{color:var(--amber-text);}
.err{color:var(--curtain);font-size:13px;margin-top:8px;}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1080px){
  .doc-body{grid-template-columns:1fr;gap:0;}
  .doc-toc{position:static;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--line);}
  .foot-policy .fp-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:860px){
  :root{--head-h:auto;}
  .nav{position:fixed;left:0;right:0;top:0;bottom:0;background:var(--paper);flex-direction:column;
    align-items:flex-start;justify-content:center;gap:4px;padding:0 8vw;z-index:120;
    transform:translateY(-100%);transition:.36s cubic-bezier(.2,.7,.3,1);}
  .nav.open{transform:none;}
  .nav a{font-size:22px;font-family:var(--serif);padding:12px 0;}
  .nav a::after{display:none;}
  .burger{display:flex;margin-left:auto;z-index:130;}
  .head-user{margin-left:8px;}
  .head-top .ht-right .hide-sm{display:none;}
  .sec{padding:52px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .foot-top{grid-template-columns:1fr;gap:34px;}
  .foot-cols{grid-template-columns:1fr 1fr;}
  .foot-policy .fp-grid{grid-template-columns:repeat(2,1fr);}
  .head-policy{display:none;}
}
@media (max-width:560px){
  body{font-size:14.5px;}
  .brand-name{font-size:13.5px;letter-spacing:0;}
  .brand-sub{display:none;}
  .foot-policy .fp-grid{grid-template-columns:1fr;}
  .sec-title{font-size:21px;}
}