/* ==========================================================================
   久久塔罗 · 设计系统
   基调：纯白底 + 细金线 + 藏蓝文字。克制、留白、无渐变、无重投影。
   ========================================================================== */

:root {
  --ink: #1C2C52;          /* 主文字 / 主色 藏蓝 */
  --ink-2: #4C5875;        /* 次级文字 */
  --ink-3: #8A93A8;        /* 辅助文字 / 占位 */
  --gold: #C7A151;         /* 香槟金：仅用于线、点缀、强调 */
  --gold-2: #E3D2AE;       /* 浅金：分隔线、边框 */
  --bg: #FFFFFF;
  --bg-soft: #FAF9F7;      /* 极浅暖白，用于分区底 */
  --bg-gold: #FCF8F0;      /* 金色淡底，用于强调块 */
  --line: #ECEAE6;         /* 常规 hairline */
  --line-strong: #DCD8D1;
  --ok: #2F7A5B;
  --warn: #B4762B;
  --bad: #B04A45;

  --r-sm: 6px;
  --r: 12px;
  --r-lg: 18px;
  --maxw: 1120px;
  --nav-h: 64px;

  --f-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
            "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --f-serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", Georgia, serif;

  --s1: clamp(1.6rem, 1.2rem + 1.6vw, 2.15rem);
  --s2: clamp(1.3rem, 1.1rem + 0.9vw, 1.65rem);
  --s3: clamp(1.08rem, 1rem + 0.4vw, 1.2rem);
  --body: 15.5px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: var(--body);
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 600; line-height: 1.35; letter-spacing: .01em; }
h1 { font-size: var(--s1); }
h2 { font-size: var(--s2); }
h3 { font-size: var(--s3); }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--gold-2); color: var(--ink); }

/* ---------------------------------------------------------------- 布局 */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }
.wrap-narrow { max-width: 720px; }
.section { padding-block: clamp(48px, 8vw, 96px); }
.section-soft { background: var(--bg-soft); }
.section + .section { border-top: 1px solid var(--line); }
.section-soft + .section-soft { border-top: none; }

.sec-head { margin-bottom: clamp(24px, 4vw, 44px); }
.sec-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.sec-kicker::before { content: ""; width: 28px; height: 1px; background: var(--gold); }
.sec-title { font-size: var(--s2); margin: 0 0 10px; }
.sec-sub { color: var(--ink-2); max-width: 62ch; }

.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.between { justify-content: space-between; }
.center { text-align: center; }
.muted { color: var(--ink-2); }
.faint { color: var(--ink-3); font-size: 13.5px; }
.lead { font-size: 17px; color: var(--ink-2); }
.gold { color: var(--gold); }
.mono-num { font-variant-numeric: tabular-nums; }
.hr { height: 1px; background: var(--line); border: 0; margin: 28px 0; }
.hidden { display: none !important; }

/* ---------------------------------------------------------------- 顶栏 */
.nav {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
@supports not (backdrop-filter: blur(2px)) { .nav { background: #fff; } }
.nav-in { height: 100%; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand svg, .brand img { height: 30px; width: auto; }
.brand-name { font-size: 17px; font-weight: 600; letter-spacing: .06em; }
.brand-sub { font-size: 10px; letter-spacing: .1em; color: var(--gold); margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 12px; border-radius: var(--r-sm); font-size: 14.5px; color: var(--ink-2);
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: ""; display: block; height: 1px; background: var(--gold); margin-top: 2px;
}
.nav-cta { margin-left: 8px; }
.nav-burger {
  display: none; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line);
  border-radius: var(--r-sm); background: #fff; cursor: pointer; position: relative;
}
.nav-burger i, .nav-burger i::before, .nav-burger i::after {
  position: absolute; left: 50%; top: 50%; width: 16px; height: 1px; background: var(--ink);
  transform: translate(-50%, -50%); content: "";
}
.nav-burger i::before { transform: translate(-50%, -5px); }
.nav-burger i::after { transform: translate(-50%, 4px); }
@media (max-width: 900px) {
  .nav-burger { display: block; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 20px;
    margin: 0; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .18s;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-cta { margin: 14px 0 0; }
}

/* ---------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 500; letter-spacing: .02em; cursor: pointer;
  background: var(--ink); color: #fff; transition: transform .12s, opacity .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { opacity: .9; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--gold); color: var(--ink); opacity: 1; }
.btn-gold { background: #fff; color: var(--gold); border-color: var(--gold); }
.btn-gold:hover { background: var(--bg-gold); opacity: 1; }
.btn-sm { padding: 7px 14px; font-size: 13.5px; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.link { border-bottom: 1px solid var(--gold-2); padding-bottom: 1px; }
.link:hover { border-bottom-color: var(--gold); }

/* ---------------------------------------------------------------- 卡片/面板 */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.panel-soft { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.panel-gold { background: var(--bg-gold); border: 1px solid var(--gold-2); border-radius: var(--r); padding: 22px; }
.tile {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 22px; transition: border-color .16s, transform .16s;
}
.tile:hover { border-color: var(--gold-2); transform: translateY(-2px); }
.tile h3 { font-size: var(--s3); margin-bottom: 6px; }
.tile-num { font-size: 12px; letter-spacing: .18em; color: var(--gold); margin-bottom: 12px; }

.tag {
  display: inline-block; padding: 3px 10px; border: 1px solid var(--gold-2); border-radius: 999px;
  font-size: 12px; color: var(--gold); letter-spacing: .04em; background: #fff;
}
.tag-ink { border-color: var(--line-strong); color: var(--ink-2); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* 表单 */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%; padding: 11px 14px; font: inherit; color: var(--ink); background: #fff;
  border: 1px solid var(--line-strong); border-radius: var(--r-sm); transition: border-color .15s;
}
textarea { resize: vertical; min-height: 96px; line-height: 1.7; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--gold); }
::placeholder { color: var(--ink-3); }
.hint { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.err-text { font-size: 13px; color: var(--bad); margin-top: 6px; min-height: 1em; }

/* 提示条 */
.notice {
  border: 1px solid var(--gold-2); background: var(--bg-gold); border-radius: var(--r);
  padding: 14px 18px; font-size: 14px; color: var(--ink);
}
.notice-bad { border-color: #E7C9C7; background: #FDF6F5; }
.notice-ok { border-color: #C9E0D5; background: #F5FBF8; }

/* 两栏布局工具类：窄屏一律折叠成单栏，避免固定 px 列撑破容器 */
.split { display: grid; gap: clamp(24px, 4vw, 44px); align-items: start; }
.split-a { grid-template-columns: 1fr 320px; }
.split-b { grid-template-columns: 1fr 260px; }
.split-c { grid-template-columns: 200px 1fr; }
.split-d { grid-template-columns: minmax(220px, 300px) 1fr; }
.split-e { grid-template-columns: 1.6fr 1fr; }
.split-f { grid-template-columns: minmax(200px, 260px) 1fr; }
.split-g { grid-template-columns: 150px 1fr; }
@media (max-width: 880px) {
  .split-a, .split-b, .split-c, .split-d, .split-e, .split-f, .split-g { grid-template-columns: 1fr; }
  .side-nav { position: static !important; }
}

/* ---------------------------------------------------------------- 塔罗牌 */
.card-face {
  position: relative; aspect-ratio: 1184 / 2000; width: 100%;
  border-radius: var(--r-sm); overflow: hidden; background: var(--bg-soft);
  border: 1px solid var(--gold-2);
}
.card-face img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, opacity .3s; }
.card-face.rev img { transform: rotate(180deg); }
.card-face::after {
  content: ""; position: absolute; inset: 4px; border: 1px solid rgba(199,161,81,.35);
  border-radius: 4px; pointer-events: none;
}
.card-back {
  aspect-ratio: 1184 / 2000; width: 100%; border-radius: var(--r-sm);
  border: 1px solid var(--gold-2); background: var(--ink);
  display: grid; place-items: center; overflow: hidden;
}
.card-back svg { width: 58%; height: auto; opacity: .85; }
.card-cap { margin-top: 8px; text-align: center; font-size: 13px; color: var(--ink-2); }
.card-cap b { display: block; font-size: 14px; color: var(--ink); font-weight: 600; }
.card-slot { width: 100%; }
.slot-pos { font-size: 12px; letter-spacing: .06em; color: var(--gold); margin-bottom: 6px; min-height: 1.2em; }

.deck-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 16px; }
.deck-row a { display: block; }
.deck-row .card-face { transition: transform .18s, border-color .18s; }
.deck-row a:hover .card-face { transform: translateY(-3px); border-color: var(--gold); }

.flip-in { animation: flipIn .55s ease both; }
@keyframes flipIn { from { transform: rotateY(88deg); opacity: 0; } to { transform: none; opacity: 1; } }
.fade-up { animation: fadeUp .5s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .flip-in, .fade-up { animation: none; } .card-face img { transition: none; } }

/* 抽牌桌：扇形展开 */
.fan { display: flex; justify-content: center; padding: 12px 0 4px; }
.fan button {
  flex: 0 0 auto; width: 54px; margin-inline: -14px; border: 1px solid var(--gold-2);
  background: var(--ink); border-radius: 5px; cursor: pointer; padding: 0;
  aspect-ratio: 1184/2000; transition: transform .18s, margin .18s, box-shadow .18s;
  display: grid; place-items: center;
}
.fan button svg { width: 60%; opacity: .8; }
.fan button:hover { transform: translateY(-14px) scale(1.06); z-index: 2; box-shadow: 0 6px 18px rgba(28,44,82,.14); }
.fan button.picked { transform: translateY(-20px); opacity: .35; pointer-events: none; }
@media (max-width: 560px) { .fan button { width: 34px; margin-inline: -12px; } }

/* ---------------------------------------------------------------- 解读正文 */
.prose { max-width: 68ch; }
.prose h3 { margin-top: 1.9em; font-size: var(--s3); }
.prose h2 { margin-top: 2.2em; font-size: var(--s2); padding-top: 18px; border-top: 1px solid var(--line); }
.prose ol, .prose ul { padding-left: 1.35em; margin: 0 0 1em; }
.prose li { margin-bottom: .5em; }
.prose strong { font-weight: 600; }
.prose p { margin-bottom: 1.05em; }
.cursor::after { content: "▍"; color: var(--gold); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------------------------------------------------------------- 手风琴 */
.acc { border-top: 1px solid var(--line); }
.acc:last-of-type { border-bottom: 1px solid var(--line); }
.acc > button {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 2px; background: none; border: 0; text-align: left; cursor: pointer; font-size: 15.5px;
}
.acc > button::after { content: "+"; color: var(--gold); font-size: 18px; line-height: 1; transition: transform .2s; }
.acc[open] > button::after { content: "−"; }
.acc-body { padding: 0 2px 18px; color: var(--ink-2); display: none; }
.acc[open] .acc-body { display: block; }

/* ---------------------------------------------------------------- 页脚 */
.foot { border-top: 1px solid var(--line); background: var(--bg-soft); padding-block: 44px 28px; margin-top: 0; }
.foot-grid { display: grid; gap: 28px; grid-template-columns: 1.4fr repeat(3, 1fr); }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }
.foot h4 { font-size: 13px; letter-spacing: .12em; color: var(--ink); margin-bottom: 12px; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 8px; font-size: 14px; }
.foot a { color: var(--ink-2); }
.foot a:hover { color: var(--gold); }
.foot-bottom {
  margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px 20px; justify-content: space-between; font-size: 12.5px; color: var(--ink-3);
}

/* ---------------------------------------------------------------- 其它 */
.pill-toggle { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px; overflow: hidden; }
.pill-toggle button { padding: 7px 16px; background: #fff; border: 0; cursor: pointer; font-size: 13.5px; color: var(--ink-2); }
.pill-toggle button[aria-pressed="true"] { background: var(--ink); color: #fff; }

.skel { background: linear-gradient(90deg, var(--bg-soft), #fff, var(--bg-soft)); background-size: 200% 100%; animation: sk 1.3s linear infinite; border-radius: var(--r-sm); }
@keyframes sk { to { background-position: -200% 0; } }

.toast-wrap { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 90; display: grid; gap: 8px; width: min(92vw, 420px); }
.toast { background: var(--ink); color: #fff; padding: 12px 16px; border-radius: var(--r); font-size: 14px; animation: fadeUp .25s ease both; }
.toast-bad { background: var(--bad); }

.modal-back { position: fixed; inset: 0; background: rgba(28,44,82,.35); display: grid; place-items: center; z-index: 80; padding: 20px; }
.modal { background: #fff; border-radius: var(--r-lg); padding: 28px; width: min(520px, 100%); max-height: 86vh; overflow: auto; }

.breadcrumb { font-size: 13px; color: var(--ink-3); margin-bottom: 18px; }
.breadcrumb a { color: var(--ink-2); }
.breadcrumb a:hover { color: var(--gold); }

.steps { counter-reset: s; display: grid; gap: 18px; }
.steps li { list-style: none; padding-left: 44px; position: relative; }
.steps li::before {
  counter-increment: s; content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 1px; font-size: 13px; color: var(--gold); letter-spacing: .08em;
  border: 1px solid var(--gold-2); border-radius: 999px; width: 30px; height: 30px; display: grid; place-items: center;
}
.price-big { font-size: 34px; font-weight: 600; letter-spacing: -.01em; }
.page-title { font-size: var(--s1); font-weight: 600; line-height: 1.35; margin: 0 0 4px; letter-spacing: .01em; }
.price-big small { font-size: 14px; font-weight: 400; color: var(--ink-3); }
.strike { text-decoration: line-through; color: var(--ink-3); font-size: 14px; }

.hero { padding-block: clamp(40px, 7vw, 84px); }
.hero-grid { display: grid; gap: clamp(28px, 5vw, 60px); grid-template-columns: 1.05fr .95fr; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-title { font-size: clamp(1.9rem, 1.2rem + 3vw, 2.9rem); line-height: 1.28; margin-bottom: 16px; }
.hero-art { position: relative; border: 1px solid var(--gold-2); border-radius: var(--r-lg); overflow: hidden; }
.hero-art img { width: 100%; height: auto; }
.hero-art figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 16px; font-size: 12px;
  color: #fff; background: rgba(28,44,82,.62); letter-spacing: .04em;
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: 8px 12px; border: 1px solid var(--gold); border-radius: var(--r-sm); }

table.cmp { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.cmp th, table.cmp td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
table.cmp th { font-weight: 600; font-size: 13px; letter-spacing: .04em; }
table.cmp td:first-child { color: var(--ink-2); }