/* SkyGuide 光遇攻略站 v2 — 整体优化版 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0a0f24; --card: #151c3d; --card2: #1d2750; --line: #2b3a6e;
  --text: #e9edff; --muted: #97a1cf; --accent: #ffb45e; --accent2: #7fb5ff;
  --good: #5ee6a8; --warn: #ffd166; --danger: #ff7b7b;
  --radius: 16px;
}
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.7; }
.sky-bg { position: fixed; inset: 0; z-index: -1; background:
  radial-gradient(ellipse 80% 50% at 20% -10%, rgba(127,181,255,.13), transparent),
  radial-gradient(ellipse 60% 40% at 85% 10%, rgba(255,180,94,.07), transparent),
  linear-gradient(180deg, #0a0f24, #101a40 55%, #0a0f24);
}
.app { max-width: 920px; margin: 0 auto; padding: 0 16px 70px; }

/* 顶栏 */
.top { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(10,15,36,.85); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(43,58,110,.6); }
.top-inner { max-width: 920px; margin: 0 auto; padding: 11px 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.logo { font-size: 19px; font-weight: 800; color: var(--accent); white-space: nowrap; }
.logo span { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.nav::-webkit-scrollbar { display: none; }
.nav a { flex-shrink: 0; padding: 6px 11px; border-radius: 9px; color: var(--muted); text-decoration: none; font-size: 13px; transition: all .2s; }
.nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav a.on { color: var(--accent); background: rgba(255,180,94,.12); font-weight: 600; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 9px; padding: 5px 11px; font-size: 17px; }

section { padding: 40px 0 8px; scroll-margin-top: 88px; }
h2 { font-size: 23px; color: var(--accent); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
h2::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(255,180,94,.4), transparent); }
h3 { font-size: 15.5px; color: var(--accent2); margin: 10px 0 7px; }
p { color: var(--text); font-size: 14.5px; margin: 6px 0; }
.sub { color: var(--muted); margin-bottom: 12px; }

/* Hero */
.hero { position: relative; padding: 130px 10px 40px; text-align: center; overflow: hidden; }
.hero-glow { position: absolute; top: 60px; left: 50%; transform: translateX(-50%); width: 420px; height: 220px; background: radial-gradient(ellipse, rgba(255,180,94,.16), transparent 70%); filter: blur(10px); pointer-events: none; }
.hero h1 { font-size: 32px; color: var(--text); letter-spacing: 1px; position: relative; }
.hero .lead { color: var(--muted); margin: 14px auto 24px; max-width: 520px; font-size: 15px; position: relative; }
.hero .lead b { color: var(--accent); }
.stat-row { display: flex; justify-content: center; gap: 34px; margin-bottom: 26px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat b { display: block; font-size: 24px; color: var(--accent2); }
.stat span { font-size: 12px; color: var(--muted); }
.hero-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; position: relative; }
.btn { padding: 12px 22px; border-radius: 13px; background: linear-gradient(135deg, var(--accent), #ff9a3c); color: #241703; font-weight: 700; text-decoration: none; font-size: 14px; transition: transform .15s, box-shadow .15s; box-shadow: 0 4px 16px rgba(255,180,94,.25); }
.btn.alt { background: linear-gradient(135deg, var(--accent2), #5d94e8); color: #071022; box-shadow: 0 4px 16px rgba(127,181,255,.22); }
.btn:hover { transform: translateY(-2px); }

/* 卡片 */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 13px; }
.card { background: linear-gradient(180deg, var(--card2), var(--card)); border: 1px solid var(--line); border-radius: var(--radius); padding: 17px; }
.card-icon { font-size: 26px; margin-bottom: 4px; }
.card h3 { margin-top: 2px; }
.card p, .card li { font-size: 13.5px; }
ul, ol { padding-left: 20px; }
li { margin: 4px 0; font-size: 13.5px; }
li b { color: var(--accent); }
li.no { color: var(--danger); }
li.ok { color: var(--good); }

.tip { margin-top: 14px; padding: 12px 15px; border-radius: 13px; background: rgba(255,209,102,.07); border: 1px solid rgba(255,209,102,.25); color: var(--warn); font-size: 13px; line-height: 1.9; }
.tip b { color: var(--text); }

/* 表格 */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 540px; }
th { text-align: left; padding: 12px 12px; color: var(--accent2); border-bottom: 1px solid var(--line); font-size: 12.5px; letter-spacing: .3px; }
td { padding: 11px 12px; border-bottom: 1px solid rgba(43,58,110,.45); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(127,181,255,.04); }
.tag { display: inline-block; padding: 2px 9px; border-radius: 7px; font-size: 11.5px; font-weight: 700; }
.tag.s { background: rgba(255,123,123,.16); color: var(--danger); }
.tag.a { background: rgba(255,209,102,.16); color: var(--warn); }
.tag.b { background: rgba(127,181,255,.16); color: var(--accent2); }
.tag.c { background: rgba(151,161,207,.16); color: var(--muted); }

/* 季节时间线 */
.season-info { margin-bottom: 14px; }
.timeline { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 9px; }
.tl-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 8px; text-align: center; transition: transform .15s, border-color .15s; }
.tl-item:hover { transform: translateY(-2px); border-color: var(--accent2); }
.tl-num { font-size: 11px; color: var(--muted); }
.tl-name { font-size: 13px; font-weight: 600; margin-top: 2px; }
.tl-flag { font-size: 10.5px; color: var(--accent); margin-top: 3px; min-height: 14px; }
.tl-item.locked { opacity: .65; }
.tl-item.flag { border-color: rgba(255,180,94,.4); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 9px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 13px; overflow: hidden; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 14px 16px; background: none; border: none; color: var(--text); font-size: 14px; font-weight: 600; cursor: pointer; text-align: left; font-family: inherit; }
.faq-q:hover { background: rgba(255,255,255,.03); }
.faq-arrow { color: var(--accent); transition: transform .25s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 16px 14px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.faq-item.open .faq-a { display: block; }

/* 工具 */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.tool-card { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-decoration: none; transition: all .2s; }
.tool-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.tc-icon { font-size: 30px; line-height: 1.2; }
.tc-name { font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.tc-desc { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 34px 0 10px; }
.foot a { color: var(--accent); text-decoration: none; }

/* 返回顶部 */
#toTop { position: fixed; right: 16px; bottom: 20px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,180,94,.9); color: #241703; border: none; font-size: 18px; cursor: pointer; opacity: 0; pointer-events: none; transition: all .25s; z-index: 40; }
#toTop.show { opacity: 1; pointer-events: auto; }

@media (max-width: 700px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,15,36,.97); border-bottom: 1px solid var(--line); padding: 8px 12px; flex-direction: column; }
  .nav.open { display: flex; }
  .nav a { padding: 11px 12px; border-radius: 9px; }
  .hero { padding-top: 110px; }
  .hero h1 { font-size: 25px; }
  .stat-row { gap: 22px; }
}