/* ============================================================
 * spine-solar.css — 二十四节气 · 脊柱身心疗法（视觉适配层）
 *
 * 原则：功能与内容完全沿用原项目，本文件仅做「视觉语言统一」——
 *   - 底色/卡片/文字/描边/圆角/阴影 全部改用本项目设计令牌
 *   - 五行色、季节色、区域色作为「语义色」原样保留（由 JS 内联注入）
 *   - 深色模式下通过属性选择器微调 SVG 引导色，不改动原渲染逻辑
 * ============================================================ */

.ss-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 0 40px;
}

/* ---------- 页头 ---------- */
.ss-head {
  position: sticky;
  top: var(--nav-h, 60px);
  z-index: 20;
  margin: 0 0 18px;
  padding: 14px 20px 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line2);
  border-radius: 0 0 16px 16px;
}
.ss-head h1 {
  margin: 6px 0 4px;
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink);
}
.ss-back {
  font-size: 13px;
  color: var(--sub);
  text-decoration: none;
  letter-spacing: .1em;
  transition: color .25s;
}
.ss-back:hover { color: var(--teal); }
.ss-sub {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--sub);
  max-width: 760px;
}

/* ---------- 节气选择器 ---------- */
.ss-sel { margin-bottom: 18px; }
.ss-sel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}
.ss-sel-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--ink);
}
.ss-cur { font-size: 12px; color: var(--sub); letter-spacing: .08em; }
.ss-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}
.ss-scroll::-webkit-scrollbar { height: 5px; }
.ss-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.ss-chip {
  position: relative;
  flex: 0 0 auto;
  padding: 6px 13px;
  border: 1px solid var(--line2);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink2);
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: .08em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s var(--ease, cubic-bezier(.45,0,.2,1)), box-shadow .2s, background .25s, color .25s;
}
.ss-chip:hover { box-shadow: var(--shadow); }
.ss-chip.on {
  color: #fff;
  border-color: transparent;
  transform: scale(1.04);
  box-shadow: 0 6px 18px -8px rgba(0, 0, 0, .35);
}
.ss-chip.now { border-color: var(--gold); }
.ss-dot {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  animation: ssPulse 1.8s ease-in-out infinite;
}
.ss-legend { display: flex; align-items: center; gap: 16px; margin-top: 4px; }
.ss-lg {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--sub);
  letter-spacing: .1em;
}
.ss-lg i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ---------- 主体：脊柱 + 详情 ---------- */
.ss-main {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 18px;
  margin-bottom: 18px;
  align-items: start;
}

.ss-viewer {
  position: relative;
  width: 100%;
  height: 600px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r, 14px);
  box-shadow: var(--shadow);
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.ss-viewer.panning { cursor: grabbing; }
#ss-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: grab;
}
.ss-viewer.panning #ss-svg { cursor: grabbing; }

.ss-pulse { animation: ssPulse 2.2s ease-in-out infinite; }
@keyframes ssPulse {
  0%, 100% { opacity: .85; }
  50% { opacity: .35; }
}

.ss-ctrls {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 3;
}
.ss-ctrls button {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 85%, transparent);
  backdrop-filter: blur(6px);
  color: var(--ink2);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px -4px rgba(0, 0, 0, .3);
  transition: transform .18s, background .2s;
}
.ss-ctrls button:hover { background: var(--card); }
.ss-ctrls button:active { transform: scale(.94); }
#ss-zoom {
  font-size: 10px;
  color: var(--sub);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border: 1px solid var(--line2);
  border-radius: 999px;
  padding: 1px 6px;
}

.ss-hint {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 11px;
  color: var(--sub);
  opacity: .75;
  pointer-events: none;
}
.ss-status {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 92%;
  padding: 6px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 85%, transparent);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  color: var(--ink2);
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 2px 10px -6px rgba(0, 0, 0, .35);
  pointer-events: none;
}

.ss-panel {
  max-height: 600px;
  overflow-y: auto;
  padding-right: 4px;
}
.ss-panel::-webkit-scrollbar { width: 6px; }
.ss-panel::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }

.ss-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 260px;
  color: var(--sub);
}
.ss-empty-ico { font-size: 40px; margin-bottom: 12px; opacity: .6; }
.ss-empty p { font-size: 13px; margin: 0; }

/* ---------- 详情面板 ---------- */
.ss-detail { display: flex; flex-direction: column; gap: 12px; }
.ss-d-head {
  border-radius: var(--r, 14px);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.ss-d-ttl { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.ss-d-term {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink);
}
.ss-d-en { font-size: 11.5px; color: var(--sub); letter-spacing: .06em; }
.ss-d-sub { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink2); }
.ss-d-vb {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 500;
}
.ss-d-rg { color: var(--sub); font-size: 12px; }

.ss-wx { display: flex; gap: 8px; }
.ss-wx-i {
  flex: 1;
  border-radius: 10px;
  padding: 8px 4px;
  text-align: center;
  font-size: 13px;
  color: var(--sub);
  background: var(--card);
  transition: transform .22s var(--ease, cubic-bezier(.45,0,.2,1));
}
.ss-wx-i.on {
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 6px 16px -10px rgba(0, 0, 0, .5);
}
.ss-wx-s { font-size: 10px; margin-top: 2px; opacity: .82; }

.ss-card {
  background: var(--card);
  border: 1px solid var(--line2);
  border-radius: 12px;
  padding: 12px 14px;
}
.ss-card h4 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink2);
}
.ss-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ss-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}
.ss-pair { font-size: 12px; color: var(--sub); }
.ss-p { margin: 0; font-size: 13.5px; line-height: 1.9; color: var(--ink2); }
.ss-cause { margin: 8px 0 0; font-size: 12px; color: var(--sub); line-height: 1.8; }

.ss-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ss-chip2 {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--card2);
  border: 1px solid var(--line2);
  color: var(--ink2);
  font-size: 12px;
}

.ss-sol { border-radius: 12px; padding: 12px 14px; }
.ss-sol h4 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink2);
}
.ss-sol ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.ss-sol li { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--ink2); line-height: 1.75; }
.ss-sol li i { width: 6px; height: 6px; border-radius: 50%; flex: 0 0 auto; margin-top: 8px; }

.ss-rec { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ss-rec-i { border-radius: 10px; padding: 10px 6px; text-align: center; }
.ss-rec-l { font-size: 11px; color: var(--sub); margin-bottom: 3px; letter-spacing: .1em; }
.ss-rec-v { font-family: var(--serif); font-size: 14px; font-weight: 700; letter-spacing: .1em; }

.ss-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ss-mini-l { font-size: 11px; color: var(--sub); margin-bottom: 4px; letter-spacing: .1em; }
.ss-mini-v { font-size: 12.5px; color: var(--ink2); line-height: 1.8; }

.ss-warn {
  border-radius: 12px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
}
.ss-warn-l { font-size: 11px; color: var(--accent); font-weight: 600; letter-spacing: .14em; margin-bottom: 3px; }
.ss-warn-v { font-size: 12.5px; color: var(--ink2); line-height: 1.8; }

/* ---------- 概览统计 ---------- */
.ss-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.ss-stat {
  background: var(--card);
  border: 1px solid var(--line2);
  border-radius: 12px;
  padding: 10px 6px;
  text-align: center;
}
.ss-stat-l { font-size: 11px; color: var(--sub); letter-spacing: .14em; margin-bottom: 4px; }
.ss-stat-v { font-family: var(--serif); font-size: 14px; font-weight: 700; letter-spacing: .08em; }

/* ---------- 过滤器 ---------- */
.ss-filter { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 14px; }
.ss-fbtn {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line2);
  background: var(--card);
  color: var(--ink2);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s, transform .18s;
}
.ss-fbtn:hover { background: var(--card2); }
.ss-fbtn.on { background: var(--teal); border-color: var(--teal); color: #fff; }

/* ---------- 24 节气网格 ---------- */
.ss-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 26px;
}
.ss-gcard {
  position: relative;
  text-align: left;
  border: 1px solid var(--line2);
  border-radius: 14px;
  padding: 12px 12px 11px;
  background: var(--card);
  font-family: inherit;
  cursor: pointer;
  transition: transform .2s var(--ease, cubic-bezier(.45,0,.2,1)), box-shadow .2s;
}
.ss-gcard:hover { transform: scale(1.012); box-shadow: var(--shadow); }
.ss-gcard.on { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.ss-gdot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  animation: ssPulse 1.8s ease-in-out infinite;
}
.ss-g-h { display: flex; align-items: center; gap: 5px; margin-bottom: 6px; }
.ss-g-t { font-family: var(--serif); font-size: 14px; font-weight: 700; letter-spacing: .1em; color: var(--ink); }
.ss-g-i { font-size: 11px; }
.ss-g-v {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 999px;
  color: #fff;
  font-size: 10.5px;
  margin-bottom: 5px;
}
.ss-g-m { font-size: 11px; color: var(--sub); }
.ss-g-p {
  margin-top: 6px;
  font-size: 11px;
  color: var(--ink2);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 理论基础 ---------- */
.ss-theory {
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  margin-bottom: 22px;
}
.ss-theory h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--ink);
}
.ss-th-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 24px; }
.ss-th-grid h4 {
  margin: 0 0 5px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink2);
}
.ss-th-grid p { margin: 0; font-size: 12.5px; line-height: 1.95; color: var(--sub); }

/* ---------- 快捷入口 ---------- */
.ss-quick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
.ss-q {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border-radius: 14px;
  border: 1px solid var(--line2);
  background: var(--card);
  font-family: inherit;
  cursor: pointer;
  transition: background .22s, transform .2s;
}
.ss-q:hover { background: var(--card2); transform: translateY(-2px); }
.ss-q i { font-size: 22px; font-style: normal; transition: transform .25s; }
.ss-q:hover i { transform: scale(1.12); }
.ss-q span { font-size: 12.5px; letter-spacing: .1em; }

/* ---------- 顶部闭环说明条（本项目适配层） ---------- */
.ss-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin: 4px 0 18px;
  padding: 16px 22px;
  border-radius: 16px;
  background: linear-gradient(120deg,
    color-mix(in srgb, var(--teal-soft) 60%, transparent),
    color-mix(in srgb, var(--gold-soft) 70%, transparent));
  border: 1px solid var(--line2);
}
.ss-kicker {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: .42em;
  color: var(--teal);
  margin-bottom: 5px;
}
.ss-bn-chain {
  font-family: var(--serif);
  font-size: 14.5px;
  letter-spacing: .1em;
  color: var(--ink);
}
.ss-bn-r { text-align: right; }
.ss-bn-now { font-size: 13.5px; color: var(--ink2); letter-spacing: .08em; }
.ss-bn-now b { font-family: var(--serif); font-size: 17px; letter-spacing: .16em; color: var(--ink); }
.ss-bn-sub { font-size: 11.5px; color: var(--sub); margin-top: 3px; }

/* ---------- 详情面板内的关联桥接 ---------- */
.ss-bridge {
  background: var(--card2);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 13px 14px;
}
.ss-bridge h4 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink2);
}
.ss-chain {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  font-size: 11.5px;
  color: var(--sub);
  margin-bottom: 10px;
}
.ss-chain b { color: var(--ink); font-weight: 600; margin-left: 3px; }
.ss-chain em { color: var(--line); font-style: normal; }
.ss-b-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
.ss-b-l { flex: 0 0 68px; font-size: 11px; color: var(--sub); letter-spacing: .06em; padding-top: 3px; }
.ss-b-v { display: flex; flex-wrap: wrap; gap: 6px; }
.ss-b-oil {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px 3px 5px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line2);
  color: var(--ink2);
  font-size: 11.5px;
  text-decoration: none;
  transition: border-color .2s, transform .18s;
}
.ss-b-oil:hover { border-color: var(--teal); transform: translateY(-1px); }
.ss-b-sw { width: 12px; height: 12px; border-radius: 50%; flex: 0 0 auto; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.ss-b-act { display: flex; gap: 8px; margin-top: 10px; }
.ss-b-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--teal);
  background: var(--teal);
  color: #fff;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: opacity .2s, transform .18s;
}
.ss-b-btn:hover { opacity: .88; }
.ss-b-btn:active { transform: scale(.97); }
.ss-b-btn.ghost { background: transparent; color: var(--ink2); border-color: var(--line); }

/* ---------- 深色模式：SVG 引导色微调（不改渲染逻辑） ---------- */
html[data-theme="dark"] #ss-svg text[fill="#8b7b6b"] { fill: #96a09c; }
html[data-theme="dark"] #ss-svg line[stroke="#d4c5a9"] { stroke: rgba(242, 236, 223, .20); }
html[data-theme="dark"] #ss-svg ellipse[stroke="#8b7b6b"] { stroke: #96a09c; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .ss-grid { grid-template-columns: repeat(4, 1fr); }
  .ss-th-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .ss-main { grid-template-columns: 1fr; }
  .ss-viewer { height: 460px; }
  .ss-panel { max-height: none; }
}
@media (max-width: 640px) {
  .ss-page { padding: 0 0 30px; }
  .ss-head { padding: 12px 14px 10px; }
  .ss-viewer { height: 380px; }
  .ss-grid { grid-template-columns: repeat(2, 1fr); }
  .ss-stats { grid-template-columns: repeat(2, 1fr); }
  .ss-quick { grid-template-columns: repeat(2, 1fr); }
  .ss-2col { grid-template-columns: 1fr; }
  .ss-hint { font-size: 10px; }
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .ss-pulse, .ss-dot, .ss-gdot { animation: none !important; }
  .ss-chip, .ss-gcard, .ss-wx-i, .ss-q, .ss-q i { transition: none !important; }
}

/* ---------- 打印 ---------- */
@media print {
  .ss-ctrls, .ss-hint, .ss-status, .ss-scroll { display: none !important; }
  .ss-viewer { height: auto; aspect-ratio: 3 / 4; }
}