/* ============================================================
   Mandarin with Jane — stylesheet
   palette: warm rice paper + ink + celadon + cinnabar
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --paper:      #FBF8F3;
  --paper-2:    #FFFFFF;
  --paper-3:    #F4EEE4;
  --ink:        #1C1A17;
  --ink-2:      #4A443B;
  --ink-3:      #837A6D;
  --line:       #E5DCCE;
  --line-2:     #D6C9B4;

  --celadon:    #2F6B5E;
  --celadon-d:  #245549;
  --celadon-l:  #E8F0ED;
  --cinnabar:   #C0472F;
  --cinnabar-l: #FAEDE9;
  --gold:       #B4894A;

  --r-s: 8px;
  --r-m: 14px;
  --r-l: 22px;
  --r-xl: 32px;

  --sh-1: 0 1px 2px rgba(28,26,23,.05), 0 2px 8px rgba(28,26,23,.04);
  --sh-2: 0 4px 12px rgba(28,26,23,.07), 0 12px 32px rgba(28,26,23,.06);
  --sh-3: 0 12px 28px rgba(28,26,23,.10), 0 32px 64px rgba(28,26,23,.08);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", "Songti SC",
           "SimSun", Georgia, serif;

  --w: 1180px;
  --gut: clamp(20px, 4vw, 40px);
  --sec: clamp(72px, 9vw, 132px);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--celadon); color: #fff; }

/* ---------- typography helpers ---------- */
.serif { font-family: var(--serif); }
.cn   { font-family: var(--serif); }
.en-dim { color: var(--ink-3); font-size: .9em; letter-spacing: .01em; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.18; letter-spacing: -.02em; }
.display {
  font-family: var(--serif);
  font-size: clamp(38px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -.028em;
  font-weight: 500;
}
.h2 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.14;
  letter-spacing: -.022em;
  font-weight: 500;
}
.h3 { font-size: clamp(19px, 2vw, 23px); letter-spacing: -.012em; }
.lede {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.68;
  color: var(--ink-2);
}
.body { color: var(--ink-2); }
.small { font-size: 13.5px; line-height: 1.6; }
.tiny  { font-size: 12.5px; line-height: 1.55; }

/* bilingual pairing: english on top, chinese below in ink-3 */
.pair { display: flex; flex-direction: column; gap: 3px; }
.pair .cn { color: var(--ink-3); font-size: .8em; font-weight: 400; letter-spacing: .01em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--celadon);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: currentColor; opacity: .55;
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::after {
  content: ""; width: 22px; height: 1px; background: currentColor; opacity: .55;
}

.sect-cn {
  display: block; margin-top: 10px;
  font-family: var(--serif); font-size: .58em; font-weight: 400;
  color: var(--ink-3); letter-spacing: .06em; line-height: 1.4;
}

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--w); margin: 0 auto; padding: 0 var(--gut); }
.section { padding: var(--sec) 0; }
.section.tint { background: var(--paper-3); }
.section.dark {
  background: #171F1C; color: #EFEAE1;
  --ink: #EFEAE1; --ink-2: #C9C2B6; --ink-3: #948C7E; --line: #2E3A35; --line-2: #3C4A44;
}
.sec-head { max-width: 640px; margin-bottom: clamp(40px, 5vw, 60px); }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .h2 { margin-bottom: 16px; }
.sec-head .cn-line {
  font-family: var(--serif); color: var(--ink-3); font-size: 15px; margin-top: 12px;
}
.section.dark .eyebrow { color: #7FBFA9; }
.section.dark .cn-line { color: #948C7E; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--celadon); --fg: #fff; --bd: var(--celadon);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 100px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bd);
  font-size: 14.5px; font-weight: 600; letter-spacing: -.005em;
  transition: transform .18s cubic-bezier(.2,.8,.3,1), box-shadow .18s, background .18s, border-color .18s;
  white-space: nowrap; text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(47,107,94,.24); background: var(--celadon-d); border-color: var(--celadon-d); }
.btn:active { transform: translateY(0); }
.btn .cn { font-family: var(--serif); font-size: .82em; opacity: .78; font-weight: 400; }
.btn.ghost { --bg: transparent; --fg: var(--ink); --bd: var(--line-2); }
.btn.ghost:hover { --bg: var(--paper-2); --fg: var(--ink); --bd: var(--ink-3); box-shadow: var(--sh-1); }
.btn.warm { --bg: var(--cinnabar); --bd: var(--cinnabar); }
.btn.warm:hover { background: #A53C26; border-color: #A53C26; box-shadow: 0 8px 20px rgba(192,71,47,.24); }
.btn.sm { padding: 9px 17px; font-size: 13.5px; }
.btn.lg { padding: 16px 30px; font-size: 15.5px; }
.btn.block { display: flex; width: 100%; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(251,248,243,.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.nav.stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(28,26,23,.05);
}
.nav-in {
  display: flex; align-items: center; gap: 26px;
  height: 70px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
  background: var(--celadon); color: #fff;
  display: grid; place-items: center;
  font-family: var(--serif); font-size: 18px; font-weight: 500;
  box-shadow: 0 3px 10px rgba(47,107,94,.28);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.1; }
.logo-txt b { font-size: 15px; font-weight: 650; letter-spacing: -.018em; }
.logo-txt span { font-family: var(--serif); font-size: 10.5px; color: var(--ink-3); }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 13px; border-radius: 100px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  transition: background .16s, color .16s;
}
.nav-links a:hover { background: var(--paper-3); color: var(--ink); }
.nav-cta { flex-shrink: 0; }
.burger { display: none; width: 42px; height: 42px; border-radius: 11px; margin-left: auto; place-items: center; }
.burger span { display: block; width: 18px; height: 1.6px; background: var(--ink); border-radius: 2px; transition: .26s; }
.burger span + span { margin-top: 4.5px; }
.burger.on span:nth-child(1) { transform: translateY(6.1px) rotate(45deg); }
.burger.on span:nth-child(2) { opacity: 0; }
.burger.on span:nth-child(3) { transform: translateY(-6.1px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 70px 0 auto 0; z-index: 99;
  background: rgba(251,248,243,.97);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 12px var(--gut) 24px;
  display: none; flex-direction: column; gap: 2px;
  transform: translateY(-8px); opacity: 0; pointer-events: none;
  transition: .24s cubic-bezier(.2,.8,.3,1);
}
.mobile-menu.on { display: flex; transform: none; opacity: 1; pointer-events: auto; }
.mobile-menu a { padding: 13px 4px; font-size: 17px; font-weight: 550; border-bottom: 1px solid var(--line); }
.mobile-menu a:last-child { border: 0; }
.mobile-menu .m-cn { font-family: var(--serif); font-size: 13px; color: var(--ink-3); margin-left: 8px; }
.mobile-menu .btn { margin-top: 16px; }

/* ---------- hero ---------- */
.hero { padding: clamp(120px, 17vw, 186px) 0 clamp(60px, 7vw, 96px); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -22%; right: -12%;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,107,94,.09), transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; bottom: 6%; left: -8%;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(192,71,47,.055), transparent 70%);
  pointer-events: none;
}
.hero-in {
  position: relative; z-index: 2;
  max-width: 860px;
}
.hero h1 { margin-bottom: 10px; }
.hero h1 em {
  font-style: normal; color: var(--celadon);
  position: relative; white-space: nowrap;
}
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .1em; height: .11em;
  background: var(--gold); opacity: .3; border-radius: 2px;
}
.hero .lede { max-width: 30em; margin: 26px 0 34px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- courses ---------- */
.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); gap: 16px; }
.course {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-l);
  padding: 24px 24px 26px; display: flex; flex-direction: column;
  transition: transform .22s cubic-bezier(.2,.8,.3,1), box-shadow .22s, border-color .22s;
  position: relative; overflow: hidden;
}
.course::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--celadon), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.course:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--line-2); }
.course:hover::after { transform: scaleX(1); }
.c-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 15px; }
.c-ic {
  width: 42px; height: 42px; border-radius: 13px; flex-shrink: 0;
  background: var(--celadon-l); color: var(--celadon);
  display: grid; place-items: center;
}
.c-lv-badge {
  font-size: 10.5px; font-weight: 600; letter-spacing: .04em;
  padding: 4px 10px; border-radius: 100px; color: var(--ink-3);
  background: var(--paper-3); white-space: nowrap; text-align: right;
}
.course h3 { margin-bottom: 3px; }
.course .c-cn { font-family: var(--serif); font-size: 14.5px; color: var(--ink-3); margin-bottom: 12px; }
.course .c-desc { font-size: 14px; color: var(--ink-2); line-height: 1.62; margin-top: auto; }
.c-desc .c-desc-en { display: block; font-size: 12.5px; color: var(--ink-3); line-height: 1.58; margin-top: 7px; padding-top: 7px; border-top: 1px dashed var(--line); }

/* ---------- select with arrow ---------- */
.selwrap { position: relative; }
.selarrow {
  position: absolute; right: 15px; top: 50%; margin-top: -7px;
  width: 9px; height: 9px; pointer-events: none;
  border-right: 1.8px solid var(--ink-3); border-bottom: 1.8px solid var(--ink-3);
  transform: rotate(45deg) translateY(-2px);
}
.select-wrap select, .selwrap select { padding-right: 38px; }

/* ---------- booking: timezone first ---------- */
.tzpick {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r-l); padding: 20px 22px; box-shadow: var(--sh-1);
}
.tzpick-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tzpick .selwrap { flex: 1 1 240px; min-width: 0; }
.tzpick .fin { font-weight: 550; }
.tzdetect { font-size: 12px; color: var(--celadon); font-weight: 600; white-space: nowrap; }
.tzhint { font-size: 12px; color: var(--ink-3); margin-top: 7px; line-height: 1.55; }
.tzhint b { color: var(--ink-2); font-weight: 650; }
/* 时区城市搜索下拉 */
.tzwrap { position: relative; }
.tz-list {
  position: absolute; top: calc(100% + 5px); left: 0; right: 0; z-index: 40;
  max-height: 264px; overflow-y: auto; -webkit-overflow-scrolling: touch;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  box-shadow: 0 10px 30px rgba(38,50,47,.12);
}
.tz-list[hidden] { display: none; }
.tz-opt {
  display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
  padding: 9px 13px; font-size: 13.5px; cursor: pointer;
}
.tz-opt + .tz-opt { border-top: 1px solid var(--line); }
.tz-opt.act, .tz-opt:hover { background: var(--celadon-l); }
.tz-opt .z { font-size: 11px; color: var(--ink-3); text-align: right; flex-shrink: 0; }

.slothead {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 26px 0 14px;
}
.slothead b { font-size: 15.5px; font-weight: 650; }
.slothead .cn2 { display: block; font-family: var(--serif); font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.lnk {
  font-size: 13px; font-weight: 600; color: var(--celadon);
  text-decoration: underline; text-underline-offset: 3px; white-space: nowrap;
}
.lnk:hover { color: var(--celadon-d); }

.slot-list { display: grid; gap: 10px; }
.slotbtn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "day time" "date bj";
  align-items: center; gap: 2px 14px;
  width: 100%; text-align: left;
  background: var(--paper-2); border: 1px solid var(--line-2);
  border-radius: var(--r-m); padding: 15px 18px;
  transition: border-color .16s, background .16s, transform .16s, box-shadow .16s;
}
.slotbtn:hover { border-color: var(--celadon); background: var(--celadon-l); transform: translateX(3px); }
.slotbtn.sel { background: var(--celadon); border-color: var(--celadon); box-shadow: 0 4px 14px rgba(47,107,94,.26); }
.slotbtn.sel .sb-day, .slotbtn.sel .sb-date { color: #fff; }
.slotbtn.sel .sb-time { color: #fff; }
.slotbtn.sel .sb-bj { color: rgba(255,255,255,.72); }
.sb-day { grid-area: day; font-size: 15.5px; font-weight: 650; color: var(--ink); line-height: 1.3; }
.sb-date { grid-area: date; font-size: 12.5px; color: var(--ink-3); }
.sb-time {
  grid-area: time; font-size: 22px; font-weight: 600; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums; color: var(--celadon); line-height: 1.1;
}
.sb-bj { grid-area: bj; font-size: 11.5px; color: var(--ink-3); text-align: right; font-variant-numeric: tabular-nums; }
.slotbtn:hover:not(.sel) .sb-time { color: var(--celadon-d); }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(36px, 5.5vw, 76px); align-items: start; }
.about-photo {
  border-radius: var(--r-xl); overflow: hidden; background: var(--paper-3);
  border: 1px solid var(--line); aspect-ratio: 4/5; position: relative; box-shadow: var(--sh-2);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo .ph-fill {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 30px;
  background: linear-gradient(160deg, var(--celadon-l), var(--paper-3));
}
.about-photo .ph-fill .big { font-family: var(--serif); font-size: 74px; color: var(--celadon); line-height: 1; }
.about-photo .ph-fill p { font-size: 13px; color: var(--ink-3); margin-top: 14px; }
.about-body p { margin-bottom: 20px; }
.about-body p:last-child { margin-bottom: 0; }

/* about 区的资质卡片（2×2） */
.cred-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; margin-top: 30px;
}
.cred {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; border-radius: var(--r-m);
  background: var(--paper-2); border: 1px solid var(--line);
}
.cred .ic {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  background: var(--celadon-l); display: grid; place-items: center; font-size: 20px;
}
.cred b { display: block; font-size: 14.5px; font-weight: 650; color: var(--ink); letter-spacing: -.01em; }
.cred span { display: block; font-family: var(--serif); font-size: 12px; color: var(--ink-3); margin-top: 3px; }
/* 教学经验 + 语言能力：强调卡 */
.cred.hi { background: var(--celadon-l); border-color: rgba(47,107,94,.28); }
.cred.hi .ic { background: #fff; }
.cred.hi b { color: var(--celadon-d); }
.cred.hi span { color: var(--celadon); }

@media (max-width: 640px) {
  .cred-grid { grid-template-columns: 1fr; }
}

/* ---------- week calendar（周历选 3 个时段） ---------- */
.slothead .pk-count {
  font-size: 13px; font-weight: 650; color: var(--celadon-d);
  background: var(--celadon-l); border-radius: 100px; padding: 4px 12px;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.slothead .pk-count.full { background: var(--celadon-d); color: #fff; }
.slothead .pk-count.bad { animation: pkshake .4s; background: var(--cinnabar); color: #fff; }
@keyframes pkshake { 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }

.wk-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 4px 0 14px; }
.wk-title { font-size: 15px; font-weight: 650; letter-spacing: -.01em; color: var(--ink); }
.wk-nav { display: flex; gap: 8px; }
.wk-btn {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; font-size: 15px; color: var(--ink-2); line-height: 1;
}
.wk-btn:hover:not([disabled]) { border-color: var(--celadon); color: var(--celadon-d); }
.wk-btn[disabled] { opacity: .35; cursor: default; }

.week-scroll { overflow-x: auto; padding-bottom: 4px; }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(54px, 1fr)); gap: 8px; min-width: 440px; }
.wk-dow {
  font-size: 10px; font-weight: 650; letter-spacing: .08em;
  color: var(--ink-3); text-align: center; text-transform: uppercase;
}
.wk-date { font-family: var(--serif); font-size: 12.5px; color: var(--ink-2); text-align: center; margin: 3px 0 8px; }
.wk-cell {
  display: block; width: 100%; padding: 4px 2px; margin-bottom: 4px;
  border-radius: 7px; border: 1px solid var(--line); background: #fff;
  font-size: 11.5px; font-weight: 600; color: var(--ink);
  font-variant-numeric: tabular-nums; cursor: pointer; text-align: center;
}
.wk-cell:hover:not(.off):not([disabled]) { border-color: var(--celadon); color: var(--celadon-d); }
.wk-cell.off {
  background: var(--paper-3); border-color: transparent; color: var(--ink-3);
  cursor: default; text-decoration: line-through; opacity: .7;
}
.wk-cell.sel { background: var(--ink); border-color: var(--ink); color: #fff; }
.week-grid.maxed .wk-cell:not(.sel):not(.off):not([disabled]) { opacity: .4; cursor: default; }
.wk-none { text-align: center; color: var(--ink-3); font-size: 12px; padding: 8px 0; }

.wk-legend {
  display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px;
  font-size: 11.5px; color: var(--ink-3);
}
.wk-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.wk-legend .lg-sel { background: var(--ink); }
.wk-legend .lg-ok { background: #fff; border: 1px solid var(--line); }
.wk-legend .lg-off { background: var(--paper-3); }

.pick-hint { margin-top: 14px; font-size: 13px; color: var(--ink-2); }
.pick-hint .cn2 { font-family: var(--serif); font-size: 12px; color: var(--ink-3); }

/* reviews 展开按钮 + 固定高度滚动区 */
.rev-more-wrap { display: flex; justify-content: center; margin-top: 26px; }
.rev-more-wrap[hidden] { display: none; }
.rev-note {
  text-align: center; font-family: var(--serif); font-size: 12.5px;
  color: var(--ink-3); margin-top: 14px;
}
.rev-note:empty { display: none; }
.rev-grid.expanded {
  max-height: 560px; overflow-y: auto;
  padding: 4px 18px 10px 4px;
  scrollbar-width: thin; scrollbar-color: #C9C4BC transparent;
}
.rev-grid.expanded::-webkit-scrollbar { width: 6px; }
.rev-grid.expanded::-webkit-scrollbar-track { background: transparent; }
.rev-grid.expanded::-webkit-scrollbar-thumb {
  background: #C9C4BC; border-radius: 100px;
}
.rev-grid.expanded::-webkit-scrollbar-thumb:hover { background: #B0AAA1; }

/* ---------- trial flow ---------- */
.trial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trial-step {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-l);
  padding: 30px 26px; position: relative; overflow: hidden;
}
.trial-step::before {
  content: ""; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--celadon), var(--gold));
}
.t-label {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase;
  color: var(--celadon); background: var(--celadon-l);
  padding: 5px 11px; border-radius: 100px; margin-bottom: 15px;
}
.trial-step h4 { font-size: 17px; margin-bottom: 8px; }
.trial-step p { font-size: 14.5px; color: var(--ink-2); line-height: 1.66; }
.trial-step .t-cn { font-family: var(--serif); font-size: 13.5px; color: var(--ink-3); margin-top: 10px; }

/* ---------- reviews ---------- */
.rev-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.rev {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-l);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 14px;
}
.stars { display: flex; gap: 2px; color: var(--gold); font-size: 14px; letter-spacing: 1px; }
.rev p { font-size: 14.5px; line-height: 1.7; color: var(--ink-2); flex: 1; }
.rev-who { display: flex; align-items: center; gap: 11px; padding-top: 15px; border-top: 1px solid var(--line); }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--celadon-l); color: var(--celadon);
  font-size: 14px; font-weight: 650;
}
.rev-who b { display: block; font-size: 13.5px; font-weight: 600; }
.rev-who span { display: block; font-size: 11.5px; color: var(--ink-3); }

/* ---------- booking ---------- */
.book-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); gap: clamp(28px, 4vw, 52px); align-items: start; }
.slot-empty {
  grid-column: 1/-1; padding: 22px 14px; text-align: center;
  font-size: 13.5px; color: var(--ink-3);
  background: var(--paper-3); border-radius: var(--r-m);
  border: 1px dashed var(--line-2);
}

.tz-note {
  display: flex; align-items: flex-start; gap: 9px;
  margin-top: 18px; padding: 12px 14px; border-radius: var(--r-m);
  background: var(--celadon-l); color: var(--celadon-d);
  font-size: 12.5px; line-height: 1.6;
}
.tz-note .ic { flex-shrink: 0; font-size: 14px; line-height: 1.3; }
.tz-note .tx { flex: 1 1 auto; min-width: 0; }
.tz-note b { font-weight: 650; word-break: break-word; }
.tz-note .cn { display: block; color: var(--celadon); opacity: .8; margin-top: 3px; }
.tz-note .src {
  display: inline-block; font-size: 11px; font-weight: 650;
  padding: 2px 8px; border-radius: 100px; margin-left: 4px; white-space: nowrap;
}
.tz-note .src-cal  { background: var(--celadon); color: #fff; }
.tz-note .src-manual { background: rgba(47,107,94,.12); color: var(--celadon-d); }
.tz-note select {
  border: 1px solid rgba(47,107,94,.3); border-radius: 7px; padding: 2px 6px;
  background: #fff; font-size: 12px; color: var(--celadon-d); font-weight: 600;
}

/* selection summary（已选的 3 个时段清单） */
.sel-sum {
  margin-top: 18px; padding: 13px 16px; border-radius: var(--r-m);
  background: var(--celadon-l); border: 1px solid rgba(47,107,94,.18);
  display: none; flex-direction: column; gap: 9px; font-size: 13.5px; color: var(--celadon-d);
}
.sel-sum > div { display: flex; align-items: center; gap: 10px; min-width: 0; }
.sel-sum .ic { flex-shrink: 0; }
.sel-sum .tx { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sel-sum .tx .tiny { font-size: 12px; opacity: .78; font-variant-numeric: tabular-nums; }
.sel-sum.on { display: flex; }
.sel-sum b { font-weight: 650; }
.sel-sum .x {
  flex-shrink: 0; margin-left: auto; border: 0; background: none; cursor: pointer;
  font-size: 14px; line-height: 1; padding: 5px; border-radius: 7px; color: var(--celadon-d); opacity: .55;
}
.sel-sum .x:hover { opacity: 1; background: rgba(47,107,94,.1); }

/* ---------- form ---------- */
.form-card {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r-l); padding: clamp(22px, 3vw, 32px); box-shadow: var(--sh-1);
}
.form-card h3 { margin-bottom: 5px; }
.form-card .fc-sub { font-size: 13.5px; color: var(--ink-3); margin-bottom: 24px; }
.frow { margin-bottom: 18px; }
.frow label, .flabel {
  display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 7px; letter-spacing: .01em;
}
.flabel .req { color: var(--cinnabar); margin-left: 2px; }
.flabel .cn2 { font-family: var(--serif); font-weight: 400; color: var(--ink-3); }
.fin {
  width: 100%; padding: 12px 14px; border-radius: var(--r-s);
  border: 1px solid var(--line-2); background: var(--paper);
  font-size: 14.5px; transition: border-color .16s, box-shadow .16s, background .16s;
}
.fin:focus {
  outline: none; border-color: var(--celadon); background: #fff;
  box-shadow: 0 0 0 3px var(--celadon-l);
}
.fin::placeholder { color: var(--ink-3); opacity: .65; }
textarea.fin { resize: vertical; min-height: 92px; line-height: 1.6; }
select.fin { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23837A6D' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fgrid .frow { margin-bottom: 18px; }

/* radio / checkbox pills */
.pills { display: flex; flex-wrap: wrap; gap: 7px; }
.pill { position: relative; display: inline-block; }
.pill input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  margin: 0; opacity: 0; cursor: pointer; z-index: 2;
}
.pill span {
  display: block; padding: 8px 14px; border-radius: 100px;
  border: 1px solid var(--line-2); background: var(--paper);
  font-size: 13.5px; font-weight: 550; color: var(--ink-2);
  transition: .16s; cursor: pointer; user-select: none; pointer-events: none;
}
.pill span:hover { border-color: var(--celadon); }
.pill input:checked + span {
  background: var(--celadon); border-color: var(--celadon); color: #fff;
  box-shadow: 0 3px 10px rgba(47,107,94,.22);
}
.pill input:focus-visible + span { box-shadow: 0 0 0 3px var(--celadon-l); }

.err { display: none; font-size: 12.5px; color: var(--cinnabar); margin-top: 6px; }
.frow.bad .fin { border-color: var(--cinnabar); }
.frow.bad .err { display: block; }

.fsubmit { margin-top: 24px; }
.fnote { font-size: 12px; color: var(--ink-3); margin-top: 13px; text-align: center; line-height: 1.6; }
.fnote[hidden] { display: none; }
#formErr { color: var(--cinnabar); }
/* 垃圾邮件陷阱字段（给机器人看，人看不见） */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.fsubmit .btn[disabled] { opacity: .6; pointer-events: none; }

/* success state */
.form-ok { display: none; text-align: center; padding: 26px 8px; }
.form-ok.on { display: block; }
.form-ok .tick {
  width: 58px; height: 58px; border-radius: 50%; margin: 0 auto 18px;
  background: var(--celadon-l); color: var(--celadon);
  display: grid; place-items: center; font-size: 27px;
  animation: pop .42s cubic-bezier(.2,1.4,.4,1);
}
@keyframes pop { from { transform: scale(.4); opacity: 0; } }
.form-ok h4 { font-size: 20px; margin-bottom: 9px; }
.form-ok p { font-size: 14.5px; color: var(--ink-2); margin-bottom: 8px; }
.form-ok .sum {
  background: var(--paper-3); border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 15px; margin: 20px 0; text-align: left; font-size: 13.5px;
}
.form-ok .sum div { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.form-ok .sum div + div { border-top: 1px dashed var(--line-2); }
.form-ok .sum b { font-weight: 600; }
.form-ok .sum .k { color: var(--ink-3); }
.form-ok .fallback { margin: 16px 0 22px; }
.form-ok .fallback a { color: var(--celadon); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

/* contact chips */
.contact-list { display: grid; gap: 12px; }
.cchip {
  display: flex; align-items: center; gap: 14px;
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r-m); padding: 15px 18px; transition: .18s;
}
.cchip:hover { border-color: var(--celadon); transform: translateY(-2px); box-shadow: var(--sh-1); }
.cchip .ic { width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0; display: grid; place-items: center; background: var(--celadon-l); color: var(--celadon); }
.cchip b { display: block; font-size: 14px; font-weight: 600; }
.cchip span { display: block; font-family: var(--serif); font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.cchip .go { margin-left: auto; color: var(--ink-3); font-size: 18px; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; align-items: stretch; }
.plan {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-l);
  padding: 30px 26px; display: flex; flex-direction: column; position: relative;
}
.plan.featured { border-color: var(--celadon); box-shadow: 0 0 0 3px var(--celadon-l); }
.plan .pl-flag {
  position: absolute; top: -10px; left: 26px;
  background: var(--cinnabar); color: #fff;
  font-size: 10.5px; font-weight: 650; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 100px;
}
.plan .pl-d { font-size: 12.5px; color: var(--ink-3); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.plan h4 { font-size: 19px; margin: 8px 0 4px; }
.plan .pl-cn { font-family: var(--serif); font-size: 14px; color: var(--ink-3); }
.plan .pl-p { margin: 20px 0 6px; display: flex; align-items: baseline; gap: 2px; flex-wrap: wrap; }
.plan .pl-p .cur { font-size: 21px; font-weight: 600; color: var(--ink); }
.plan .pl-p .n { font-family: var(--serif); font-size: 46px; line-height: 1; font-weight: 500; letter-spacing: -.03em; }
.plan .pl-p .per-unit {
  font-family: var(--serif); font-size: 14px; color: var(--ink-3);
  margin-left: 4px; align-self: flex-end; padding-bottom: 6px;
}
.plan .pl-p .per {
  flex-basis: 100%; font-size: 13.5px; color: var(--ink-3);
  font-variant-numeric: tabular-nums; margin-top: 5px;
}
.plan .pl-note { font-size: 13.5px; color: var(--ink-2); margin-bottom: 24px; }
.plan .pl-note .cn2 { display: block; font-family: var(--serif); font-size: 12px; color: var(--ink-3); margin-top: 3px; }
.plan .btn { margin-top: auto; }
.pkg {
  margin-top: 22px; padding: 20px 24px; border-radius: var(--r-m);
  background: var(--celadon-l); border: 1px solid rgba(47,107,94,.16);
  font-size: 14.5px; color: var(--celadon-d);
}
.pkg b { font-weight: 650; }
.pkg .cn2 { display: block; font-family: var(--serif); font-size: 12.5px; color: var(--celadon); margin-top: 3px; }

/* ---------- wechat copy ---------- */
.copyid { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-top: 4px; }
.copyid code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; font-weight: 600; color: var(--ink);
  background: var(--paper-3); border: 1px solid var(--line-2);
  padding: 2px 9px; border-radius: 6px; user-select: all;
}
.copybtn {
  font-size: 11.5px; font-weight: 600; color: var(--celadon);
  border: 1px solid var(--celadon); background: transparent;
  padding: 3px 10px; border-radius: 100px; transition: .16s; white-space: nowrap;
}
.copybtn:hover { background: var(--celadon); color: #fff; }
.copybtn.ok { background: var(--celadon); color: #fff; border-color: var(--celadon); }
.copybtn.no { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 52px 0 30px; background: var(--paper-2); }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 34px; }
.foot-brand { max-width: 300px; }
.foot-brand .logo { margin-bottom: 14px; }
.foot-brand p { font-size: 13.5px; color: var(--ink-3); line-height: 1.65; }
.foot-cols { display: flex; gap: clamp(32px, 5vw, 64px); flex-wrap: wrap; }
.foot-col b { display: block; font-size: 12.5px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 13px; }
.foot-col a, .foot-col span { display: block; font-size: 14px; color: var(--ink-2); padding: 4px 0; transition: color .16s; }
.foot-col a:hover { color: var(--celadon); }
.foot-bot {
  border-top: 1px solid var(--line); padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-3);
}

/* ---------- reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.8,.3,1), transform .7s cubic-bezier(.2,.8,.3,1); }
.rv.in { opacity: 1; transform: none; }
.rv-1 { transition-delay: .07s; } .rv-2 { transition-delay: .14s; }
.rv-3 { transition-delay: .21s; } .rv-4 { transition-delay: .28s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .rv { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 360px; }
  .book-grid { grid-template-columns: 1fr; }
  .book-grid > * { min-width: 0; }   /* 防周历 min-width 把整列撑爆（否则页面横向溢出） */
  .trial-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .burger { display: grid; }
}
@media (max-width: 460px) {
  .hero { padding-top: 108px; }
  .tzpick { padding: 16px; }
  .slotbtn { padding: 13px 15px; gap: 2px 10px; }
  .sb-time { font-size: 19px; }
}