/* ============================================================
   app.css  KIKO 画布体系：全站统一布局（首页 + 二级页共用）
   奶油外底 + 白色大圆角画布 + 左侧竖导航
   ============================================================ */
:root {
  --canvas: #FFFFFF;
  --stage-bg: #F4F3EF;
  --cream: #FAF1E2;
  --cream-2: #FBF8F1;
  --cream-3: #F4EEE2;
  --ink: #131315;
  --ink-2: #57575C;
  --ink-3: #9B9BA0;
  --line: #E9E7E0;
  --p1: #F6D9C9; --p2: #E7DFF3; --p3: #DDE9D6; --p4: #FBE7B2; --p5: #DCE9F6; --p6: #F3D9DC;
}
@font-face {
  font-family: "Source Han Serif SC";
  src: url("../fonts/SourceHanSerifSC-SemiBold-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
:root[data-theme="dark"] {
  --canvas: #1C1C20;
  --stage-bg: #111114;
  --cream: #0C0C0E;
  --cream-2: #1E1E22;
  --cream-3: #26262B;
  --ink: #F2F2F3;
  --ink-2: #A9A9AF;
  --ink-3: #6C6C72;
  --line: #2A2A30;
  --p1: #4A3A30; --p2: #3D3850; --p3: #35402F; --p4: #4A4028; --p5: #2E3A48; --p6: #45333A;
}

/* 全站：奶油外底，关闭旧网格/噪点伪元素 */
body { background: var(--cream); }
body::before, body::after { display: none !important; }

/* ============ 画布骨架（内灰外白） ============ */
.canvas {
  width: calc(100vw - 32px); max-width: none; margin: 16px;
  min-height: calc(100vh - 32px); min-height: calc(100dvh - 32px);
  background: var(--stage-bg); border: 1px solid var(--line); border-radius: 30px;
  display: flex; align-items: flex-start; overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(60, 45, 20, .18);
}

/* ============ 左侧竖导航（悬浮白卡片） ============ */
.side {
  width: 186px; flex-shrink: 0; margin: 14px 0 14px 14px; padding: 22px 16px;
  background: var(--canvas); border: 1px solid var(--line); border-radius: 20px;
  display: flex; flex-direction: column; gap: 3px;
  box-shadow: 0 10px 30px -18px rgba(60, 45, 20, .14);
}
.side__brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 16px; letter-spacing: -.02em; color: var(--ink);
  padding: 2px 8px 18px;
}
.side__logo {
  width: 24px; height: 24px; border-radius: 7px; background: var(--ink); color: var(--canvas);
  display: grid; place-items: center; font-size: 10.5px; font-weight: 700; letter-spacing: .02em;
}
.side__link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px; border-radius: 10px;
  font-size: 13px; font-weight: 500; color: var(--ink-3);
  transition: background .2s ease, color .2s ease;
}
.side__link svg { width: 16px; height: 16px; flex-shrink: 0; }
.side__link:hover { background: var(--stage-bg); color: var(--ink); }
.side__link.is-active { background: var(--stage-bg); color: var(--ink); font-weight: 600; }
.side__foot { margin-top: 18px; padding: 4px 8px; font-size: 11px; color: var(--ink-3); line-height: 1.6; }

/* ============ 主区 ============ */
.stage { flex: 1; display: flex; flex-direction: column; min-width: 0; align-self: stretch; }
.stage__top {
  display: flex; justify-content: flex-end; align-items: center; gap: 10px;
  padding: 24px 30px 0;
}
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 12.5px; font-weight: 500; color: var(--ink-2); background: var(--canvas);
  transition: border-color .2s ease, color .2s ease;
}
.pill:hover { border-color: var(--ink-3); color: var(--ink); }
.pill svg { width: 15px; height: 15px; }
.pill--dark { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.pill--dark:hover { color: var(--canvas); opacity: .85; }
.iconbtn {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--ink-2); background: var(--canvas); cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}
.iconbtn:hover { border-color: var(--ink-3); color: var(--ink); }

.stage__sign {
  text-align: center; padding: 22px 0 26px; margin-top: auto;
  font-size: 12.5px; color: var(--ink-3);
}
.stage__sign a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.stage__sign a:hover { color: var(--ink); }

/* ============ 首页 Hero ============ */
.hero2 {
  position: relative; isolation: isolate;
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 40px 40px 24px;
}
.hero2 > :not(.hero2__visual) { position: relative; z-index: 1; }
.hero2__visual {
  position: relative; z-index: 0;
  width: clamp(300px, 34vw, 480px); height: auto; flex: 0 0 auto;
  margin: 0 auto 10px; opacity: 1; pointer-events: none; user-select: none;
}
:root[data-theme="dark"] .hero2__visual { opacity: .82; filter: brightness(.82) saturate(.8); }

/* 正式站不显示可视化编辑器注入的悬浮铅笔按钮 */
[data-visual-truth], [data-visual-editor], [id*="visual-truth" i], [class*="visual-truth" i],
iframe[src*="visual-truth" i] { display: none !important; }
.hero2 h1 {
  font-family: "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(32px, 4.6vw, 54px); font-weight: 600; letter-spacing: .035em;
  line-height: 1.24; color: var(--ink); text-rendering: optimizeLegibility;
}
.hero2 .sub { margin-top: 16px; font-size: 15.5px; color: var(--ink-2); }

/* 分类卡扇形排布（小卡，对齐参考图比例） */
.fan {
  margin-top: 40px; display: flex; justify-content: center; align-items: flex-start;
  gap: 14px; flex-wrap: wrap; padding: 0 12px;
}
.mood-card {
  position: relative; width: 162px; background: var(--canvas); border: 1px solid var(--line);
  border-radius: 17px; padding: 10px 10px 13px; text-align: left; overflow: hidden;
  box-shadow: 0 12px 30px -16px rgba(60, 45, 20, .15);
  transition: transform .3s cubic-bezier(.22,.68,.32,1), box-shadow .3s ease, border-color .3s ease;
}
.mood-card:nth-child(1) { transform: rotate(-3.5deg) translateY(10px); }
.mood-card:nth-child(2) { transform: rotate(-1.8deg) translateY(3px); }
.mood-card:nth-child(3) { transform: rotate(0deg); }
.mood-card:nth-child(4) { transform: rotate(1.8deg) translateY(3px); }
.mood-card:nth-child(5) { transform: rotate(3.5deg) translateY(10px); }
.mood-card:hover {
  transform: rotate(0deg) translateY(-7px); border-color: var(--ink-3);
  box-shadow: 0 24px 46px -18px rgba(60, 45, 20, .26);
}
/* 卡片光效：鼠标跟随聚光 */
.mood-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, -20%), rgba(255,255,255,.55), transparent 65%);
  opacity: 0; transition: opacity .3s ease; mix-blend-mode: overlay;
}
:root[data-theme="dark"] .mood-card::after {
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, -20%), rgba(255,255,255,.14), transparent 65%);
  mix-blend-mode: normal;
}
.mood-card:hover::after { opacity: 1; }
.mood-card__wall {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px;
  border-radius: 11px; overflow: hidden;
}
.mood-card__tile {
  aspect-ratio: 1; border-radius: 7px;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 700; color: rgba(19,19,21,.72); letter-spacing: .01em;
}
:root[data-theme="dark"] .mood-card__tile { color: rgba(242,242,243,.8); }
.mood-card__dots { display: flex; gap: 4px; margin-top: 10px; padding-left: 2px; }
.mood-card__dots i { width: 8px; height: 8px; border-radius: 50%; display: block; }
.mood-card__name { margin-top: 8px; font-size: 13.5px; font-weight: 650; letter-spacing: -.015em; color: var(--ink); }
.mood-card__desc { margin-top: 3px; font-size: 11.5px; line-height: 1.5; color: var(--ink-3); }

/* 底部大搜索框 */
.ask {
  position: relative;
  margin: 30px auto 0; width: min(560px, 88%);
  display: flex; align-items: center; gap: 10px;
  background: var(--canvas); border: 1px solid var(--line); border-radius: 20px;
  padding: 8px 8px 8px 20px;
  box-shadow: 0 18px 44px -22px rgba(60, 45, 20, .2);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.ask:focus-within { border-color: var(--ink-3); box-shadow: 0 22px 54px -22px rgba(60, 45, 20, .3); }
.ask input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-size: 15px; color: var(--ink); font-family: inherit; min-width: 0;
}
.ask input::placeholder { color: var(--ink-3); }
.ask__send {
  width: 42px; height: 42px; border-radius: 14px; border: 0; cursor: pointer;
  background: var(--ink); color: var(--canvas);
  display: grid; place-items: center; flex-shrink: 0;
  transition: opacity .2s ease, transform .2s ease;
}
.ask__send:hover { opacity: .85; transform: scale(1.04); }

/* 搜索实时联想下拉 */
.ask__drop {
  position: absolute; top: calc(100% + 10px); left: 0; right: 0; z-index: 50;
  background: var(--canvas); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 30px 60px -24px rgba(60, 45, 20, .3);
  padding: 8px; display: none; text-align: left;
}
.ask__drop.is-open { display: block; }
.ask__item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  padding: 10px 12px; border-radius: 12px; border: 0; background: transparent;
  cursor: pointer; font-family: inherit; text-align: left;
  transition: background .15s ease;
}
.ask__item:hover, .ask__item.is-sel { background: var(--cream-2); }
.ask__logo {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700; color: rgba(19,19,21,.72);
}
:root[data-theme="dark"] .ask__logo { color: rgba(242,242,243,.8); }
.ask__item-name { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.ask__item-sub { font-size: 12px; color: var(--ink-3); margin-top: 1px; }
.ask__item-cat { margin-left: auto; font-size: 11px; color: var(--ink-3); flex-shrink: 0; }
.ask__ai {
  display: flex; gap: 8px; padding: 10px 12px 6px; margin-top: 4px;
  border-top: 1px solid var(--line); align-items: center;
}
.ask__ai-label { font-size: 11.5px; color: var(--ink-3); }
.ask__ai-link {
  font-size: 12px; font-weight: 600; color: var(--ink-2);
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px;
  transition: color .2s ease, border-color .2s ease;
}
.ask__ai-link:hover { color: var(--ink); border-color: var(--ink-3); }

/* 热门关键词芯片（空输入聚焦时展示，全部来自站内真实分类） */
.ask__hot {
  display: flex; flex-wrap: wrap; gap: 7px; align-items: center;
  padding: 8px 10px 6px;
}
.ask__hot-chip {
  font-size: 12px; font-weight: 500; color: var(--ink-2);
  padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--stage-bg);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.ask__hot-chip:hover { color: var(--canvas); background: var(--ink); border-color: var(--ink); }

/* 鼓励开发者：固定弹窗，不参与首页排版 */
.support-pill { cursor: pointer; font-family: inherit; }
.support-pill span { font-size: 16px; line-height: 1; color: #1677ff; }
body.modal-open { overflow: hidden; }
.support-modal[hidden] { display: none; }
.support-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; }
.support-modal__backdrop { position: absolute; inset: 0; background: rgba(12,12,14,.46); backdrop-filter: blur(8px); opacity: 0; transition: opacity .18s ease; }
.support-modal__panel {
  position: relative; width: min(760px, 94vw); max-height: min(820px, 90vh); overflow: auto;
  padding: 30px; border: 1px solid var(--line); border-radius: 24px; outline: 0;
  background: var(--canvas); box-shadow: 0 30px 90px -28px rgba(0,0,0,.42);
  text-align: center; opacity: 0; transform: translateY(12px) scale(.985);
  transition: opacity .18s ease, transform .18s ease;
}
.support-modal.is-open .support-modal__backdrop { opacity: 1; }
.support-modal.is-open .support-modal__panel { opacity: 1; transform: none; }
.support-modal__close {
  position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--stage-bg); color: var(--ink-2); cursor: pointer; font-size: 21px;
}
.support-modal__eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: #1677ff; }
.support-modal h2 { margin-top: 8px; font-size: 27px; letter-spacing: -.025em; color: var(--ink); }
.support-modal p { max-width: 520px; margin: 10px auto 0; font-size: 14px; line-height: 1.7; color: var(--ink-2); }
.support-modal__codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.support-modal__codes figure { margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: var(--stage-bg); }
.support-modal__codes img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: contain; border-radius: 12px; background: #fff; }
.support-modal__codes figcaption { margin-top: 9px; font-size: 13px; font-weight: 650; color: var(--ink); }
.support-modal__note { margin-top: 17px; font-size: 11.5px; color: var(--ink-3); }

/* ============ 二级页内容区适配画布 ============ */
.stage .container { max-width: none; width: 100%; padding: 0 40px; }
.stage .pagehead { padding: 40px 0 28px; }
.stage .pagehead__title { color: var(--ink); }
.stage .pagehead__sub { color: var(--ink-2); }

/* 让组件库里的卡片/筛选/树在灰底画布内呈统一白卡质感 */
.stage {
  --surface: var(--canvas);
  --surface-2: var(--stage-bg);
  --border: var(--line);
  --border-strong: #DCD5C6;
  --text: var(--ink);
  --text-2: var(--ink-2);
  --text-3: var(--ink-3);
  --bg: var(--stage-bg);
}
:root[data-theme="dark"] .stage { --border-strong: #34343A; }

/* 二级页主按钮统一为墨黑（与首页发送钮一致） */
.stage .btn-primary {
  background: var(--ink); color: var(--canvas); border: 1px solid var(--ink);
  border-radius: 12px; padding: 11px 18px; font-size: 14px; font-weight: 600;
  transition: opacity .2s ease;
}
.stage .btn-primary:hover { opacity: .85; background: var(--ink); }

/* 频道页布局在画布内的间距 */
.stage .layout { padding-bottom: 48px; }
.stage .filterbar { margin-bottom: 18px; }

/* 旧导航/页脚在画布体系下隐藏（由脚本移除，双保险） */
body > .nav, body > .footer { display: none; }

/* ============ 响应式（全端自适应） ============ */
@media (max-width: 960px) {
  .canvas { flex-direction: column; margin: 14px; min-height: calc(100vh - 28px); border-radius: 24px; }
  .side {
    width: auto; flex-direction: row; align-items: center; flex-wrap: wrap;
    margin: 12px 12px 0; padding: 12px 14px; border-radius: 16px; gap: 2px;
  }
  .side__brand { padding: 2px 8px 2px 2px; }
  .side__link { padding: 7px 10px; font-size: 12.5px; }
  .side__foot { display: none; }
  .stage__top { padding: 16px 20px 0; }
  .stage .container { padding: 0 20px; }
  .hero2 { padding: 36px 20px 8px; }
  .hero2__visual { width: clamp(280px, 52vw, 400px); margin-bottom: 8px; }
  .mood-card { width: calc(50% - 14px); max-width: 200px; }
  .mood-card:nth-child(n) { transform: none; }
  .mood-card:hover { transform: translateY(-6px); }
}
@media (max-width: 560px) {
  .mood-card { width: 100%; max-width: 320px; }
  .hero2 h1 { font-size: 30px; }
  .ask { width: calc(100% - 40px); }
  .stage .container { padding: 0 14px; }
  .stage__top { flex-wrap: wrap; }
  .hero2__visual { display: block; width: min(320px, 88vw); margin-bottom: 6px; }
  .support-modal__panel { padding: 26px 16px 20px; }
  .support-modal__codes { grid-template-columns: 1fr; }
  .support-modal__codes img { max-height: 60vh; }
}
@media (prefers-reduced-motion: reduce) {
  .mood-card, .mood-card:hover, .ask__send { transition: none; transform: none; }
  .mood-card::after { display: none; }
}