/*!
 * 开运堂 KAIYUNTANG (www.kaiyuntang.com)
 * Copyright (c) 2026 开运堂. All Rights Reserved.
 * 本样式/脚本为开运堂原创作品，未经书面授权禁止复制、转载或用于其他站点。
 *//* ============================================================
 * 组件层：玻璃卡片 / 鎏金按钮 / 表单 / 标题 / 标签
 * ============================================================ */

/* === 玻璃卡片 === */
.glass{background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  border-radius:var(--r-lg);position:relative;transition:all .4s var(--ease-out)}
.glass:hover{border-color:var(--glass-border-hi);background:var(--glass-2);
  box-shadow:var(--sh),0 0 40px rgba(212,168,87,.08)}

/* 鎏金边框卡片（带角饰） */
.gold-card{background:linear-gradient(160deg,rgba(30,26,54,.66),rgba(17,14,34,.8));
  border:1px solid var(--gold-line);border-radius:var(--r-lg);position:relative;
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh),inset 0 1px 0 rgba(212,168,87,.12);transition:all .4s var(--ease-out)}
.gold-card:hover{border-color:var(--gold);box-shadow:var(--sh-lg),0 0 50px rgba(212,168,87,.15),inset 0 1px 0 rgba(212,168,87,.2);transform:translateY(-4px)}

.corner{position:relative}

/* === 分区标题 === */
.sec-head{display:flex;align-items:center;gap:16px;margin:0 0 36px}
.sec-head .bar{width:4px;height:28px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold-4));box-shadow:0 0 12px var(--gold-glow)}
.sec-head h2{font-family:var(--font-zhuan);font-size:26px;font-weight:900;letter-spacing:6px;
  background:linear-gradient(180deg,#fff4d6,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head .sub{margin-left:8px;color:var(--ink-3);font-size:13px;letter-spacing:3px}
.sec-head .more{margin-left:auto;font-size:13px;color:var(--ink-3);letter-spacing:2px;transition:color .25s}
.sec-head .more:hover{color:var(--gold-2)}

/* 居中大标题 */
.sec-title{text-align:center;margin:0 0 48px;position:relative}
.sec-title .deco{display:inline-flex;align-items:center;gap:20px;margin-bottom:16px;color:var(--gold)}
.sec-title .deco::before,.sec-title .deco::after{content:"";width:60px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold))}
.sec-title .deco::after{background:linear-gradient(90deg,var(--gold),transparent)}
.sec-title .deco i{font-style:normal;font-size:12px;letter-spacing:6px;color:var(--gold-2)}
.sec-title h2{font-family:var(--font-zhuan);font-size:34px;letter-spacing:10px;font-weight:700;
  background:linear-gradient(180deg,#fff 0%,#fff4d6 30%,var(--gold-2) 70%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  text-shadow:0 0 40px rgba(212,168,87,.2)}
.sec-title p{margin-top:14px;color:var(--ink-3);font-size:13px;letter-spacing:4px}

/* === 按钮 === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 40px;border:1px solid var(--gold);border-radius:var(--r);
  background:linear-gradient(135deg,rgba(212,168,87,.2),rgba(168,130,58,.1));
  color:var(--gold-2);font-size:15px;letter-spacing:6px;font-family:var(--font-zhuan);font-weight:600;
  cursor:pointer;position:relative;overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,248,230,.15),0 4px 20px rgba(212,168,87,.15);
  transition:all .3s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,248,230,.25) 50%,transparent 70%);
  transform:translateX(-100%);transition:transform .6s var(--ease)}
.btn:hover{background:linear-gradient(135deg,var(--gold),var(--gold-3));color:#1a1208;border-color:var(--gold-2);
  box-shadow:0 8px 30px rgba(212,168,87,.4),inset 0 1px 0 rgba(255,255,255,.3);transform:translateY(-2px)}
.btn:hover::before{transform:translateX(100%)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-block{width:100%}
.btn-lg{height:60px;font-size:17px;letter-spacing:8px;border-radius:14px}

.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-2));border-color:var(--red-3);
  color:#fff;box-shadow:0 6px 24px rgba(200,68,58,.35),inset 0 1px 0 rgba(255,255,255,.2)}
.btn-primary:hover{background:linear-gradient(135deg,var(--red-3),var(--red));box-shadow:0 10px 36px rgba(200,68,58,.5);color:#fff}

.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:42px;padding:0 22px;
  border:1px solid var(--glass-border);border-radius:var(--r);color:var(--ink-2);
  background:rgba(255,255,255,.03);font-size:13.5px;letter-spacing:3px;cursor:pointer;
  backdrop-filter:blur(10px);transition:all .25s var(--ease)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2);background:rgba(212,168,87,.08)}

/* 限免角标（朱砂红印章，按钮右上角） */
.btn .free-badge{position:absolute;top:4px;right:10px;z-index:3;
  padding:3px 8px 2px;border-radius:3px;line-height:1;
  font-size:11px;letter-spacing:2px;font-weight:600;
  background:#a63a2b;color:#f7ecd8;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.15)}

/* === 表单 === */
.form{max-width:600px;margin:0 auto;padding:40px 36px}
/* 表单卡片 hover 不位移，避免鼠标指向输入框时“跳动”（与亮色主题一致） */
.gold-card.form:hover{transform:none}
.frow{margin-bottom:20px}
.frow label{display:block;font-size:13px;color:var(--gold-2);margin-bottom:9px;
  font-weight:500;letter-spacing:2px}
.frow label .req{color:var(--red-3);margin-left:4px}
.frow .hint{font-size:12px;color:var(--ink-4);margin-top:6px;letter-spacing:1px}

.frow input,.frow select,.frow textarea{width:100%;height:48px;padding:0 16px;
  border:1px solid var(--glass-border);border-radius:var(--r);font-size:15px;
  background:rgba(22,19,42,.5);color:var(--ink);outline:none;
  transition:all .25s var(--ease);backdrop-filter:blur(8px)}
.frow textarea{height:auto;padding:14px 16px;line-height:1.8;resize:vertical;min-height:120px}
.frow input:focus,.frow select:focus,.frow textarea:focus{
  border-color:var(--gold);background:rgba(26,22,50,.7);
  box-shadow:0 0 0 3px rgba(212,168,87,.12),0 0 20px rgba(212,168,87,.08)}
.frow input::placeholder,.frow textarea::placeholder{color:var(--ink-4)}
.frow select option{background:#1c1830;color:var(--ink)}

input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
input[type=number]{-moz-appearance:textfield}

.row-gut{display:grid;gap:16px}
.row-2{grid-template-columns:repeat(2,1fr)}
.row-3{grid-template-columns:repeat(3,1fr)}

/* === 标签 === */
.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 14px;border-radius:99px;
  font-size:12px;letter-spacing:2px;line-height:1.7;border:1px solid transparent}
.tag-gold{background:rgba(212,168,87,.12);color:var(--gold-2);border-color:rgba(212,168,87,.3)}
.tag-red{background:rgba(200,68,58,.15);color:var(--red-3);border-color:rgba(200,68,58,.3)}
.tag-jade{background:rgba(123,168,154,.12);color:var(--jade);border-color:rgba(123,168,154,.3)}
.tag-line{border-color:var(--glass-border);color:var(--ink-3);background:transparent}

/* === 分隔线 === */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--gold-line),transparent);margin:32px 0;border:0}

/* === 工具类 === */
.text-c{text-align:center}
.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}
.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.flex{display:flex}.flex-c{display:flex;align-items:center}.flex-b{display:flex;align-items:center;justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}