/* Photoshop CC 课程文章站 · 轻量阅读样式 */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#1e293b;background:#f8fafc;line-height:1.85;font-size:16px}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px;background:#1b2a4a;color:#fff;font-size:14px}
.topbar a{color:#fbbf24;text-decoration:none}
.article{max-width:760px;margin:0 auto;padding:24px 18px 60px;background:#fff;
  box-shadow:0 0 24px rgba(15,23,42,.06)}
.crumbs{font-size:13px;color:#64748b;margin-bottom:8px}
h1{font-size:24px;line-height:1.4;margin:6px 0 4px;color:#0f172a}
.meta{font-size:13px;color:#64748b;border-bottom:2px solid #f59e0b;padding-bottom:14px;margin-bottom:20px}
h2{font-size:19px;color:#1b2a4a;margin:34px 0 12px;padding-left:10px;border-left:4px solid #f59e0b}
h3{font-size:16px;color:#334155;margin:20px 0 8px}
p{margin:10px 0}
ul,ol{margin:8px 0 8px 22px}
li{margin:6px 0}
code{background:#f1f5f9;padding:1px 6px;border-radius:4px;font-size:14px;color:#b45309}
.practice{background:#fffbeb;border:1px solid #fcd34d;border-radius:10px;padding:14px 16px;margin:16px 0}
.practice h3{color:#92400e;margin:0 0 8px;font-size:16px}
.practice ol{margin-left:20px}
.tip{background:#eff6ff;border:1px solid #93c5fd;border-radius:10px;padding:12px 16px;margin:16px 0;font-size:15px}
.tip b{color:#1d4ed8}
.warn{background:#fef2f2;border:1px solid #fca5a5;border-radius:10px;padding:12px 16px;margin:16px 0;font-size:15px}
.goals{background:#f0fdf4;border:1px solid #86efac;border-radius:10px;padding:14px 16px;margin:16px 0}
.goals h2{border:none;padding:0;margin:0 0 8px;font-size:17px;color:#166534}
.plan table{width:100%;border-collapse:collapse;font-size:14px;margin:10px 0}
.plan th{background:#1b2a4a;color:#fff;padding:8px;font-weight:600}
.plan td{border:1px solid #e2e8f0;padding:8px;vertical-align:top}
.homework{background:#faf5ff;border:1px solid #c4b5fd;border-radius:10px;padding:14px 16px;margin:16px 0}
.homework h2{border-color:#8b5cf6}
.pagenav{display:flex;justify-content:space-between;gap:10px;margin-top:40px}
.pagenav a{flex:1;text-align:center;background:#1b2a4a;color:#fff;text-decoration:none;
  padding:12px;border-radius:10px;font-size:15px}
.pagenav a.disabled{background:#cbd5e1;color:#64748b;pointer-events:none}
footer{text-align:center;font-size:12px;color:#94a3b8;padding:22px}
/* 首页 */
.hero{background:linear-gradient(135deg,#1b2a4a,#0f172a);color:#fff;padding:44px 20px;text-align:center}
.hero h1{color:#fff;font-size:26px}
.hero p{color:#cbd5e1;font-size:15px;max-width:640px;margin:12px auto 0}
.hero .tag{display:inline-block;border:1px solid #f59e0b;color:#fbbf24;border-radius:20px;
  font-size:13px;padding:4px 14px;margin-bottom:12px}
.lesson-list{max-width:760px;margin:0 auto;padding:24px 18px 60px}
.module{font-size:17px;font-weight:700;color:#1b2a4a;margin:28px 0 10px;
  padding-bottom:6px;border-bottom:2px solid #e2e8f0}
.lesson{display:block;background:#fff;border:1px solid #e2e8f0;border-radius:12px;
  padding:16px;margin:10px 0;text-decoration:none;color:#1e293b;
  box-shadow:0 2px 8px rgba(15,23,42,.05)}
.lesson:hover{border-color:#f59e0b}
.lesson .no{display:inline-block;background:#f59e0b;color:#fff;font-size:13px;font-weight:700;
  border-radius:6px;padding:2px 10px;margin-right:8px}
.lesson b{font-size:16px}
.lesson p{font-size:13px;color:#64748b;margin:6px 0 0}
.howto{max-width:760px;margin:0 auto 10px;padding:0 18px}
.howto .practice{margin-top:0}
@media(min-width:800px){body{font-size:17px}.article{border-radius:12px;margin-top:24px}}