/* ============================================================
   拼豆豆 - 全站样式 v2.4（对齐绘拼豆设计语言）
   紫粉渐变主题 · 胶囊组件 · 柔和紫阴影 · 响应式 PC/平板/手机
   ============================================================ */
:root {
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-pale: #e8e5ff;
  --primary-dark: #4834d4;
  --accent: #fd79a8;
  --accent-pale: #ffe5f0;
  --accent-dark: #e84393;
  --yellow: #fdcb6e;
  --grad: linear-gradient(135deg, #6c5ce7 0%, #fd79a8 100%);
  --grad-soft: linear-gradient(135deg, #7d6ff0, #fd8fb8);
  --success: #4cd964;
  --t1: #2d3436;
  --t2: #636e72;
  --t3: #b2bec3;
  --bg: #fffaf5;
  --card: #ffffff;
  --input: #f6f3fc;
  --hover: #f3efff;
  --line: #efeaf6;
  --line2: #e5dff2;
  --r: 14px;
  --r-lg: 22px;
  --pill: 999px;
  --sh-s: 0 2px 10px rgba(108, 92, 231, .06);
  --sh: 0 10px 30px rgba(108, 92, 231, .1);
  --sh-l: 0 18px 50px rgba(108, 92, 231, .16);
  /* 旧变量别名（兼容历史页面） */
  --text: var(--t1);
  --text-sub: var(--t2);
  --border: var(--line2);
  --radius: var(--r);
  --shadow: var(--sh-s);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
::selection { background: var(--primary-pale); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 250, 245, .92);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 32px;
  height: 64px; display: flex; align-items: center; gap: 20px;
}
.nav-logo {
  font-weight: 800; font-size: 19px; letter-spacing: 2px;
  display: flex; align-items: center; gap: 10px; margin-right: 8px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
/* 豆子 logo：渐变圆角块 + 白色豆点 */
.nav-logo .dot {
  width: 30px; height: 30px; border-radius: 9px; background: var(--grad);
  position: relative; display: inline-block; box-shadow: var(--sh-s); flex: none;
}
.nav-logo .dot::after {
  content: ""; position: absolute; inset: 9px; border-radius: 50%;
  background: #fff; box-shadow: inset 0 -2px 3px rgba(72, 52, 212, .35);
}
.nav-links { display: flex; gap: 6px; flex: 1; }
.nav-links a {
  padding: 9px 16px; border-radius: var(--pill); font-size: 15px;
  font-weight: 600; color: var(--t2); transition: .18s; position: relative;
}
.nav-links a:hover { background: var(--hover); color: var(--primary-dark); }
.nav-links a.active { color: var(--primary-dark); background: transparent; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 3px;
  height: 3px; border-radius: 3px; background: var(--grad);
}
.nav-user { display: flex; align-items: center; gap: 10px; }
.nav-avatar {
  width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
  border: 2px solid #fff; box-shadow: var(--sh-s);
}
.nav-avatar-wrap { position: relative; display: inline-flex; }
.nav-crown {
  position: absolute; top: -8px; right: -8px; font-size: 13px;
  filter: drop-shadow(0 1px 2px rgba(253, 203, 110, .8));
}
.btn-login {
  background: var(--grad); color: #fff; border: none; cursor: pointer;
  padding: 9px 22px; border-radius: var(--pill); font-size: 14px; font-weight: 700;
  box-shadow: var(--sh-s); transition: .18s;
}
.btn-login:hover { box-shadow: var(--sh); transform: translateY(-1px); }

/* ---------- 主体 ---------- */
.container { max-width: 1400px; margin: 0 auto; padding: 24px 32px 70px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-s);
  padding: 22px; margin-bottom: 20px;
}
.card h2 { font-size: 19px; font-weight: 800; margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.card h2::before { content: ""; width: 7px; height: 19px; border-radius: 4px; background: var(--grad); }
.card h2 a, .card h2 .more { font-weight: 600; font-size: 13.5px; color: var(--primary); margin-left: auto; }
.card h2 a:hover, .card h2 .more:hover { color: var(--primary-dark); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; cursor: pointer; border-radius: var(--pill);
  padding: 10px 24px; font-size: 15px; font-weight: 700; transition: .18s; font-family: inherit;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--sh-s); }
.btn-primary:hover { box-shadow: var(--sh); transform: translateY(-1px); }
.btn-primary:disabled { background: var(--line2); color: var(--t3); box-shadow: none; transform: none; cursor: not-allowed; }
.btn-ghost { background: var(--card); color: var(--primary-dark); border: 1px solid var(--line2); }
.btn-ghost:hover { background: var(--hover); }
.btn-danger { background: var(--accent-pale); color: var(--accent-dark); border: 1px solid #ffc9dd; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ---------- 上传区 ---------- */
.upload-box {
  border: 2px dashed var(--line2); border-radius: var(--r);
  padding: 40px 16px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s; background: var(--input);
}
.upload-box:hover, .upload-box.drag { border-color: var(--primary); background: var(--primary-pale); }
.upload-box .icon { font-size: 40px; }
.upload-box p { color: var(--t2); font-size: 14px; margin-top: 6px; }
.preview-img { max-height: 260px; border-radius: var(--r); box-shadow: var(--sh); }

/* ---------- 表单 ---------- */
.form-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin: 14px 0; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item label { font-size: 13px; color: var(--t2); font-weight: 600; }
.form-item select, .form-item input[type="text"], .form-item input[type="number"] {
  border: 1.5px solid var(--line2); border-radius: 11px; padding: 10px 13px;
  font-size: 14px; background: var(--card); min-width: 110px; outline: none;
  transition: border-color .15s; color: var(--t1);
}
.form-item select:focus, .form-item input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-pale); }

/* ---------- 结果统计表 ---------- */
.stat-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.stat-table th, .stat-table td { padding: 9px 10px; border-bottom: 1px dashed var(--line); text-align: left; }
.stat-table th { color: var(--t2); font-weight: 600; background: transparent; }
.chip { display: inline-flex; align-items: center; gap: 6px; }
.chip i { width: 16px; height: 16px; border-radius: 5px; display: inline-block; border: 1px solid rgba(0,0,0,.08); box-shadow: var(--sh-s); }

/* ---------- 板块标题（首页） ---------- */
.sec { display: flex; align-items: center; gap: 9px; margin: 30px 0 16px; font-size: 20px; font-weight: 800; }
.sec .d { width: 8px; height: 20px; border-radius: 4px; background: var(--grad); flex: none; }
.sec .more { margin-left: auto; font-size: 14px; color: var(--primary); font-weight: 600; }
.sec .more:hover { color: var(--primary-dark); }

/* ---------- 分类胶囊条 ---------- */
.chips, .cat-bar { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0 18px; }
.cat-chip {
  padding: 8px 18px; border-radius: var(--pill); background: var(--card);
  border: 1px solid var(--line2); font-size: 14px; font-weight: 600;
  color: var(--t2); cursor: pointer; transition: .16s; font-family: inherit;
}
.cat-chip:hover { background: var(--hover); color: var(--primary-dark); }
.cat-chip.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: var(--sh-s); }

/* ---------- 图纸卡片网格（社区/图纸库） ---------- */
.grid-list {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.pattern-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; box-shadow: var(--sh-s); cursor: pointer;
  transition: transform .2s, box-shadow .2s, border-color .2s; position: relative;
}
.pattern-card:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: var(--primary-pale); }
.pattern-card .thumb {
  width: 100%; aspect-ratio: 1; object-fit: cover; background: #fff;
  display: block; transition: transform .3s;
}
.pattern-card:hover .thumb { transform: scale(1.03); }
.pattern-card .info { padding: 11px 13px; }
.pattern-card .title { font-size: 14.5px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pattern-card .meta { font-size: 12.5px; color: var(--t2); margin-top: 5px; display: flex; gap: 10px; }
.badge {
  position: absolute; top: 9px; left: 9px; background: rgba(108, 92, 231, .88);
  color: #fff; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: var(--pill);
  backdrop-filter: blur(4px);
}
.pattern-card .badge.cat-badge {
  left: auto; right: 9px; background: rgba(45, 52, 54, .55);
}

/* ---------- 瀑布流作品墙（首页） ---------- */
.feed { columns: 4; column-gap: 18px; }
.work {
  break-inside: avoid; margin-bottom: 18px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  cursor: pointer; transition: .2s; box-shadow: var(--sh-s);
}
.work:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: var(--primary-pale); }
.work img { width: 100%; display: block; background: #fff; }
.work .meta { padding: 12px 14px; }
.work .meta .ti { font-size: 15px; font-weight: 700; margin-bottom: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.work .meta .row { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--t2); }
.work .meta .av {
  width: 24px; height: 24px; border-radius: 50%; background: var(--grad-soft);
  display: inline-grid; place-items: center; font-size: 11px; color: #fff; font-weight: 700;
  object-fit: cover; flex: none;
}
.work .meta .like { margin-left: auto; display: flex; gap: 4px; color: var(--accent-dark); font-weight: 600; }
.work .dim { position: absolute; top: 9px; left: 9px; background: rgba(108,92,231,.88); color: #fff;
  font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: var(--pill); }
@media (min-width: 769px) and (max-width: 1100px) { .feed { columns: 3; } }
@media (max-width: 768px) { .feed { columns: 2; column-gap: 12px; } .work { margin-bottom: 12px; } }

/* ---------- 首页 Hero 渐变横幅 ---------- */
.hero {
  position: relative; overflow: hidden; border-radius: var(--r-lg);
  padding: 46px 48px; background: var(--grad); color: #fff;
  box-shadow: var(--sh); margin-bottom: 8px;
  display: flex; align-items: center; gap: 40px;
}
.hero::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,255,255,.22), transparent 70%); pointer-events: none;
}
.hero .l { flex: 1; position: relative; z-index: 1; }
.hero .pill {
  display: inline-flex; gap: 6px; background: rgba(255,255,255,.2);
  padding: 6px 14px; border-radius: var(--pill); font-size: 12.5px; font-weight: 600; margin-bottom: 16px;
}
.hero h1 { font-size: 38px; line-height: 1.2; margin-bottom: 14px; font-weight: 800; letter-spacing: 1px; }
.hero p { font-size: 16px; opacity: .92; max-width: 480px; line-height: 1.6; margin-bottom: 24px; }
.hero .cta { display: flex; gap: 13px; flex-wrap: wrap; }
.hero .cta .btn { white-space: nowrap; border-radius: var(--pill); border: none; cursor: pointer; font-weight: 700; font-family: inherit; transition: .18s; }
.hero .cta .a1 { background: #fff; color: var(--primary-dark); padding: 13px 28px; font-size: 15px; }
.hero .cta .a1:hover { transform: translateY(-2px); box-shadow: var(--sh-l); }
.hero .cta .a2 { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.4); padding: 12px 26px; font-size: 15px; }
.hero .cta .a2:hover { background: rgba(255,255,255,.28); }
.hero .stats { display: flex; gap: 30px; margin-top: 26px; flex-wrap: wrap; }
.hero .stats b { display: block; font-size: 24px; font-weight: 800; font-family: "Courier New", monospace; letter-spacing: 1px; }
.hero .stats span { font-size: 12.5px; opacity: .9; }
/* 右侧 2×2 作品预览格 */
.hero .r {
  width: 300px; height: 230px; border-radius: var(--r); flex: none;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 14px;
  position: relative; z-index: 1;
}
.hero .r .mini { border-radius: 9px; overflow: hidden; background: rgba(255,255,255,.15); cursor: pointer; }
.hero .r .mini img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 1100px) { .hero { padding: 36px 32px; } .hero h1 { font-size: 30px; } }
@media (max-width: 768px) {
  .hero { flex-direction: column; align-items: flex-start; padding: 28px 22px; gap: 20px; }
  .hero h1 { font-size: 26px; }
  .hero p { font-size: 14px; }
  .hero .r { width: 100%; height: auto; display: flex; gap: 8px; padding: 10px; }
  .hero .r .mini { flex: 1; aspect-ratio: 1; min-width: 0; }
}

/* ---------- 快捷工具卡 ---------- */
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 22px 0 4px; }
.tool {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 20px; cursor: pointer; transition: .2s; box-shadow: var(--sh-s);
  display: flex; gap: 14px; align-items: center;
}
.tool:hover { transform: translateY(-3px); box-shadow: var(--sh); border-color: var(--primary-pale); }
.tool .ic {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  color: #fff; flex: none; font-size: 22px;
}
.tool .ic.i1 { background: var(--grad); }
.tool .ic.i2 { background: linear-gradient(135deg, #fd79a8, #fdcb6e); }
.tool .ic.i3 { background: linear-gradient(135deg, #4834d4, #6c5ce7); }
.tool .ic.i4 { background: linear-gradient(135deg, #fdcb6e, #fd79a8); }
.tool b { font-size: 15px; display: block; margin-bottom: 3px; }
.tool span { font-size: 12px; color: var(--t2); }
@media (max-width: 768px) { .tools { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 首页双栏（作品流 + 侧栏） ---------- */
.home-grid { display: grid; grid-template-columns: 1fr 300px; gap: 26px; align-items: start; }
.aside { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 84px; }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 18px; box-shadow: var(--sh-s);
}
.panel h4 { font-size: 15px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.panel h4 .d { width: 6px; height: 15px; border-radius: 3px; background: var(--grad); }
.panel .more { font-size: 12.5px; color: var(--primary); font-weight: 600; margin-left: auto; cursor: pointer; }
@media (max-width: 1100px) {
  .home-grid { grid-template-columns: 1fr; }
  .aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .aside .panel { flex: 1; min-width: 240px; }
}

/* ---------- 创作者榜（侧栏 + 板块通用） ---------- */
.author { display: flex; align-items: center; gap: 11px; padding: 9px 0; cursor: pointer; }
.author:hover .info b { color: var(--primary-dark); }
.author .rank-no {
  width: 22px; height: 22px; border-radius: 7px; flex: none;
  display: inline-grid; place-items: center; font-size: 12px; font-weight: 800;
  color: var(--t3); background: var(--input);
}
.author .rank-no.top1 { background: #ffd75e; color: #8a5a00; }
.author .rank-no.top2 { background: #e3e8ef; color: #5a6a80; }
.author .rank-no.top3 { background: #f2cdb2; color: #8a4a1a; }
.author .av {
  width: 40px; height: 40px; border-radius: 50%; background: var(--grad-soft);
  display: inline-grid; place-items: center; color: #fff; font-weight: 700;
  object-fit: cover; flex: none;
}
.author .info { flex: 1; min-width: 0; }
.author .info b { font-size: 14px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: .15s; }
.author .info span { display: block; font-size: 12px; color: var(--t3); }
/* 首页大板块版式 */
.creator-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.creator-card {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 13px 15px; cursor: pointer; transition: .2s; box-shadow: var(--sh-s);
}
.creator-card:hover { border-color: var(--primary-pale); box-shadow: var(--sh); transform: translateY(-2px); }
.creator-card .rank {
  width: 26px; height: 26px; border-radius: 9px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: var(--t3); background: var(--input);
}
.creator-card .rank.top1 { background: #ffd75e; color: #8a5a00; }
.creator-card .rank.top2 { background: #e3e8ef; color: #5a6a80; }
.creator-card .rank.top3 { background: #f2cdb2; color: #8a4a1a; }
.creator-card img, .creator-card .no-avatar {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover; flex: none;
  background: var(--grad-soft); color: #fff; font-size: 16px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.creator-card .cinfo { min-width: 0; flex: 1; }
.creator-card .cname { font-size: 14px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.creator-card .cstat { font-size: 12px; color: var(--t2); margin-top: 2px; }
.creator-card .cstat b { color: var(--primary); font-weight: 700; }

/* ---------- 标签云 ---------- */
.tagcloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tagcloud span {
  font-size: 12.5px; font-weight: 600; color: var(--primary-dark);
  background: var(--primary-pale); padding: 5px 13px; border-radius: var(--pill); cursor: pointer; transition: .15s;
}
.tagcloud span:hover { background: var(--primary-light); color: #fff; }

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line); background: var(--card);
  padding: 28px 32px; text-align: center; color: var(--t3); font-size: 13px;
}
.footer .fbrand { font-weight: 800; font-size: 15px; letter-spacing: 2px; margin-bottom: 6px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer a { color: var(--t2); margin: 0 10px; }
.footer a:hover { color: var(--primary); }

/* ---------- 首页作品墙（旧栅格，保留兼容） ---------- */
.wall-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.wall-grid .pattern-card .thumb { aspect-ratio: auto; height: auto; }

/* ---------- 登录弹层 ---------- */
.modal-mask {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(29, 27, 41, .45); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 16px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: var(--r-lg); padding: 30px 26px;
  width: 100%; max-width: 360px; text-align: center; position: relative;
  box-shadow: var(--sh-l); animation: fadeUp .22s ease;
}
@keyframes fadeUp { 0% { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.modal h3 { font-size: 19px; font-weight: 800; margin-bottom: 6px; }
.modal .sub { font-size: 13px; color: var(--t2); margin-bottom: 18px; }
.modal .close {
  position: absolute; right: 14px; top: 12px; font-size: 20px;
  color: var(--t3); cursor: pointer; background: none; border: none;
}
.modal .close:hover { color: var(--t2); }
.wlogin-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 13px; margin-bottom: 12px; border-radius: 13px;
  border: 1.5px solid var(--line2); background: var(--card); cursor: pointer;
  font-size: 15px; font-weight: 600; transition: .15s; font-family: inherit;
}
.wlogin-btn:hover { border-color: var(--primary); background: var(--hover); }
.wlogin-btn .ic {
  width: 24px; height: 24px; border-radius: 7px; color: #fff; font-size: 12px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center; background: #2aae67;
}
.wlogin-btn.open .ic { background: #1a73e8; }
.wlogin-btn.work .ic { background: #4a6ef5; }

/* ---------- 账号密码登录表单 ---------- */
.acc-divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--t3); font-size: 12px; margin: 16px 0 12px;
}
.acc-divider::before, .acc-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.acc-input {
  width: 100%; height: 44px; border: 1.5px solid var(--line2); border-radius: 12px;
  padding: 0 14px; font-size: 14px; outline: none; margin-bottom: 10px;
  background: var(--input); transition: .15s; font-family: inherit; color: var(--t1);
}
.acc-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px var(--primary-pale); }
.acc-captcha { display: flex; gap: 10px; align-items: stretch; margin-bottom: 10px; }
.acc-captcha .acc-input { flex: 1; margin-bottom: 0; }
.acc-captcha img {
  width: 120px; height: 44px; border-radius: 12px; border: 1.5px solid var(--line2);
  background: #f5f3ff; cursor: pointer; flex: 0 0 auto; object-fit: cover;
}
.acc-err { color: #e35555; font-size: 12.5px; min-height: 18px; margin: -2px 0 6px; }
.acc-submit {
  width: 100%; height: 44px; border: none; border-radius: 12px; cursor: pointer;
  background: var(--grad); color: #fff; font-size: 15px; font-weight: 700; letter-spacing: 4px;
  box-shadow: 0 6px 16px rgba(108, 92, 231, .3); transition: .18s; font-family: inherit;
}
.acc-submit:hover { transform: translateY(-1px); box-shadow: 0 9px 22px rgba(108, 92, 231, .4); }
.acc-submit:disabled { opacity: .6; cursor: not-allowed; }
.acc-switch { text-align: center; font-size: 13px; color: var(--t2); margin-top: 12px; }
.acc-switch a { color: var(--primary); font-weight: 600; text-decoration: none; }

/* ---------- 支付弹层 ---------- */
.pay-type-row { display: flex; gap: 10px; margin: 12px 0 16px; }
.pay-type-row button {
  flex: 1; padding: 12px; border-radius: 12px; border: 1.5px solid var(--line2);
  background: var(--card); cursor: pointer; font-weight: 700; font-size: 14px; transition: .15s; font-family: inherit;
}
.pay-type-row button.on { border-color: var(--primary); background: var(--primary-pale); color: var(--primary-dark); }

/* ---------- 提示 ---------- */
.toast {
  position: fixed; top: 76px; left: 50%; transform: translateX(-50%);
  background: rgba(29, 27, 41, .85); color: #fff; padding: 10px 22px;
  border-radius: var(--pill); font-size: 14px; z-index: 1000; display: none;
  box-shadow: var(--sh); backdrop-filter: blur(6px);
}
.err-banner {
  background: var(--accent-pale); border: 1px solid #ffc9dd; color: var(--accent-dark);
  padding: 9px 15px; border-radius: 11px; font-size: 13px; margin-bottom: 14px; display: none;
}

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 22px; }
.pager button {
  border: 1px solid var(--line2); background: var(--card); border-radius: 10px;
  padding: 7px 15px; cursor: pointer; font-size: 13px; font-weight: 600; color: var(--t2);
  transition: .15s; font-family: inherit;
}
.pager button:hover { border-color: var(--primary-light); color: var(--primary-dark); }
.pager button.cur { background: var(--grad); color: #fff; border-color: transparent; box-shadow: var(--sh-s); }
.pager button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- 图纸详情画布 ---------- */
.canvas-wrap { overflow: auto; background: var(--input); border-radius: var(--r); padding: 12px; max-height: 70vh; }
canvas { image-rendering: pixelated; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .container { padding: 22px 22px 60px; }
  .nav-inner { padding: 0 22px; }
}
@media (max-width: 768px) {
  .nav-inner { padding: 0 14px; height: 56px; gap: 10px; }
  .nav-links a { padding: 7px 9px; font-size: 14px; }
  .nav-logo { font-size: 17px; gap: 7px; }
  .nav-logo .dot { width: 26px; height: 26px; border-radius: 8px; }
  .nav-logo .dot::after { inset: 8px; }
  .grid-list { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .card { padding: 16px; border-radius: var(--r); }
  .form-row { gap: 8px; }
  .form-item select, .form-item input { min-width: 90px; }
  .container { padding: 16px 14px 60px; }
}
@media (max-width: 480px) {
  .grid-list { grid-template-columns: repeat(2, 1fr); }
  .creator-grid { grid-template-columns: 1fr 1fr; }
  .creator-card { flex-direction: column; text-align: center; padding: 14px 8px; }
  .creator-card .rank { display: none; }
  .btn { padding: 10px 18px; }
  .stat-table { font-size: 13px; }
  .stat-table th, .stat-table td { padding: 6px; }
  .hero h1 { font-size: 23px; }
  .hero { padding: 24px 18px; }
  .sec { font-size: 18px; margin: 22px 0 12px; }
}
/* 平板（768-1024） */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-list { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}