/* WE DANCE website · site.css v1 (2026-11-05)
   Visual language = WeDance Pro brand v1 (wd_brand.css, 2026-10-23): ink black + rehearsal-room paper + one stage red,
   14° forward lean (buttons, tags, bars), top-right cut corner (cards, photos), Chakra Petch italic for English accents.
   Mobile first. One accent per screen. Page-specific styles go in /assets/css/<page>.css, never here. */
:root{
  --ink:#111111; --ink2:#2B2825; --ink3:#3A3631;
  --paper:#F5F2EC; --white:#FFFFFF;
  --line:#DDD7CC; --line2:#ECE7DE;
  --stage:#D42A17; --stage-dk:#B32112; --blush:#F2DCD3; --blush-ink:#4F4A43;
  --mute:#6B665E; --mute2:#A8A39A; --gold:#B8893B; --ok:#2E7D4F; --warn:#B8893B;
  --skew:-14deg; --unskew:14deg; --cut:16px;
  --font:'PingFang SC','Noto Sans SC','Hiragino Sans GB','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --font-en:'Chakra Petch','Avenir Next Condensed','Arial Narrow',Arial,sans-serif;
  --wrap:1180px; --gut:16px; --hdr-h:64px; --mbar-h:64px;
  --r:4px; --shadow:0 1px 2px rgba(17,17,17,.06),0 8px 24px rgba(17,17,17,.06);
}
@media (min-width:768px){:root{--gut:28px;--hdr-h:76px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;padding-bottom:calc(var(--mbar-h) + env(safe-area-inset-bottom))}
@media (min-width:1024px){body{padding-bottom:0}}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:800;letter-spacing:-.005em}
h1{font-size:clamp(28px,5.2vw,52px)}
h2{font-size:clamp(22px,3.4vw,34px)}
h3{font-size:clamp(18px,2.2vw,22px)}
small{font-size:13px}
.sr,.skip:not(:focus){position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{position:fixed;top:8px;left:8px;z-index:100;background:var(--ink);color:#fff;padding:8px 12px}
:focus-visible{outline:2px solid var(--stage);outline-offset:2px}
[hidden]{display:none!important}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.sec{padding:48px 0}
@media (min-width:768px){.sec{padding:80px 0}}
.sec.white{background:var(--white)}
.sec.ink{background:var(--ink);color:#fff}
.sec.blush{background:var(--blush)}
.grid{display:grid;gap:16px}
@media (min-width:640px){.g2{grid-template-columns:repeat(2,1fr)}}
@media (min-width:768px){.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.g4{grid-template-columns:repeat(4,1fr)}}
@media (min-width:640px) and (max-width:767px){.g3{grid-template-columns:repeat(2,1fr)}}
.stack>*+*{margin-top:12px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.lead{font-size:clamp(17px,1.8vw,20px);color:var(--ink3);max-width:46em}
.sec.ink .lead{color:#d9d4cb}
.muted{color:var(--mute)}
.center{text-align:center}

/* ---------- type accents (from brand) ---------- */
.en,.kicker,.num{font-family:var(--font-en);font-style:italic;font-weight:700}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--stage);margin-bottom:10px}
.kicker::before{content:"";width:5px;height:14px;background:var(--stage);transform:skewX(var(--skew))}
.sec.ink .kicker{color:#ff6b57}
.num{font-variant-numeric:tabular-nums;line-height:1}
.sech{display:flex;align-items:flex-end;gap:16px;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap}
.sech h2{margin:0}
.sech .more{font-weight:700;text-decoration:none;white-space:nowrap;display:inline-block;padding:10px 0;margin:-10px 0}/* 44px+ tap target, same position */
.sech .more::after{content:" →"}

/* ---------- buttons: skewed background, upright text ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 22px;
  font:inherit;font-weight:800;font-size:15px;line-height:1.2;text-decoration:none;color:var(--ink);background:none;border:0;cursor:pointer;
  isolation:isolate;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.btn::before{content:"";position:absolute;inset:0;transform:skewX(var(--skew));background:var(--white);border:2px solid var(--ink);z-index:-1;transition:background .15s,border-color .15s}
.btn:hover::before{background:var(--line2)}
.btn-stage{color:#fff}.btn-stage::before{background:var(--stage);border-color:var(--stage)}
.btn-stage:hover::before{background:var(--stage-dk);border-color:var(--stage-dk)}
.btn-ink{color:#fff}.btn-ink::before{background:var(--ink);border-color:var(--ink)}
.btn-ink:hover::before{background:var(--ink3)}
.btn-ghost-w{color:#fff}.btn-ghost-w::before{background:transparent;border-color:#fff}.btn-ghost-w:hover::before{background:rgba(255,255,255,.12)}
.btn-sm{min-height:36px;padding:6px 14px;font-size:14px}
.btn-lg{min-height:54px;padding:12px 28px;font-size:17px}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.btn-block{display:flex;width:100%}
.link{font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:var(--stage)}

/* ---------- tags / chips ---------- */
.tag{position:relative;display:inline-flex;align-items:center;padding:3px 10px;margin-left:3px;color:#fff;font-size:12px;font-weight:700;
  line-height:1.4;white-space:nowrap;isolation:isolate}
.tag::before{content:"";position:absolute;inset:0;background:var(--stage);transform:skewX(var(--skew));z-index:-1}
.tag.ink::before{background:var(--ink)}.tag.ok::before{background:var(--ok)}.tag.gold::before{background:var(--gold)}
.tag.line{color:var(--ink)}.tag.line::before{background:var(--white);border:1px solid var(--line)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:6px 14px;border:1.5px solid var(--line);background:var(--white);
  border-radius:999px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;text-decoration:none}
.chip[aria-pressed="true"],.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- cards ---------- */
.card{background:var(--white);padding:20px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);box-shadow:none}
.card.ink{background:var(--ink);color:#fff}.card.blush{background:var(--blush)}.card.paper{background:var(--paper)}
a.card{display:block;text-decoration:none;transition:transform .15s}
a.card:hover{transform:translateY(-2px)}
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.cut-lg{--cut:28px}
.ph{position:relative;overflow:hidden;background:var(--line2);aspect-ratio:4/3}
.ph img{width:100%;height:100%;object-fit:cover}
.ph.sq{aspect-ratio:1}.ph.wide{aspect-ratio:16/9}.ph.tall{aspect-ratio:3/4}
.bar{display:inline-block;width:5px;height:16px;background:var(--stage);transform:skewX(var(--skew));flex:none}
.stripe{display:flex;gap:6px;height:8px;overflow:hidden;margin:20px 0}
.stripe i{display:block;height:100%;transform:skewX(var(--skew))}
.stripe .s{width:64%;background:var(--stage);margin-left:-4px}.stripe .k{width:10%;background:var(--ink)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line2)}
.hdr-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);height:var(--hdr-h);display:flex;align-items:center;gap:20px}
.hdr-logo{flex:none}.hdr-logo img{height:40px;width:auto}
@media (min-width:768px){.hdr-logo img{height:46px}}
.hdr-nav{display:none;align-items:center;gap:2px;margin-left:8px}
.hdr-nav>a,.hdr-more>summary{position:relative;padding:8px 10px;font-size:15px;font-weight:700;text-decoration:none;color:var(--ink);cursor:pointer;list-style:none;white-space:nowrap}
.hdr-more>summary::-webkit-details-marker{display:none}
.hdr-more>summary::after{content:"";display:inline-block;width:6px;height:6px;margin-left:6px;border-right:2px solid;border-bottom:2px solid;transform:translateY(-3px) rotate(45deg)}
.hdr-nav>a[aria-current="page"]::before,.hdr-more>summary[aria-current]::before{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:3px;background:var(--stage);transform:skewX(var(--skew))}
.hdr-nav>a:hover{color:var(--stage)}
.hdr-more{position:relative}
.hdr-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:220px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;display:grid}
.hdr-menu a{padding:9px 12px;text-decoration:none;font-weight:600}
.hdr-menu a:hover{background:var(--paper)}
.hdr-act{margin-left:auto;display:flex;align-items:center;gap:10px}
.hdr-lang{white-space:nowrap;font-weight:800;text-decoration:none;padding:6px 8px;font-size:14px;border:1.5px solid var(--line);border-radius:999px;min-width:44px;text-align:center}
.hdr-login{white-space:nowrap;display:inline-flex;align-items:center;min-height:44px;padding:0 4px;font-weight:700;font-size:14px;text-decoration:none;color:var(--ink3)}
.hdr-cta{display:none}
.hdr-burger{width:44px;height:44px;display:grid;place-content:center;gap:5px;background:none;border:0;cursor:pointer;padding:0}
.hdr-burger span{display:block;width:22px;height:2.5px;background:var(--ink);transform:skewX(var(--skew));transition:transform .2s,opacity .2s}
.hdr-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hdr-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hdr-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
@media (min-width:768px){.hdr-cta{display:inline-flex}}
@media (min-width:1180px){.hdr-nav{display:flex}.hdr-burger{display:none}}
@media (min-width:1180px){.hdr-nav>a,.hdr-more>summary{padding:8px 7px;font-size:14.5px}.hdr-in{gap:12px}.hdr-act{gap:8px}}
.drawer{position:fixed;left:0;right:0;bottom:0;top:var(--drawer-top,var(--hdr-h));background:var(--paper);overflow-y:auto;padding:20px var(--gut) calc(var(--mbar-h) + 40px);z-index:49;border-top:1px solid var(--line2)}
.drawer-h{font-family:var(--font-en);font-style:italic;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--stage);font-size:13px;margin-bottom:12px}
.drawer-tasks{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-tasks a{display:block;background:var(--white);padding:14px;text-decoration:none;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%)}
.drawer-tasks b{display:block;font-size:15px}
.drawer-tasks span{display:block;font-size:12.5px;color:var(--mute);margin-top:2px}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;margin-top:20px}
.drawer-links a{padding:10px 0;font-weight:700;text-decoration:none;border-bottom:1px solid var(--line2)}
body.drawer-open{overflow:hidden}

/* ---------- mobile action bar ---------- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:48;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;background:var(--ink);
  padding-bottom:env(safe-area-inset-bottom);height:calc(var(--mbar-h) + env(safe-area-inset-bottom))}
.mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#fff;text-decoration:none;font-size:12px;font-weight:700}
.mbar svg{width:22px;height:22px}
.mbar .mbar-main{background:var(--stage);font-size:13px}
@media (min-width:1024px){.mbar{display:none}}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:#d9d4cb;font-size:14px}
.ftr a{color:#fff;text-decoration:none}
.ftr a:hover{text-decoration:underline}
.ftr-in{max-width:var(--wrap);margin:0 auto;padding:48px var(--gut) 24px;display:grid;gap:28px}
@media (min-width:768px){.ftr-in{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.ftr-brand img{height:52px;width:auto;margin-bottom:12px}
.ftr address{font-style:normal;line-height:1.8;margin:12px 0}
.ftr-col{display:grid;gap:8px;align-content:start}
.ftr-col h2{font-family:var(--font-en);font-style:italic;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#ff6b57;margin:0 0 4px}
.ftr-base{max-width:var(--wrap);margin:0 auto;padding:16px var(--gut) 28px;border-top:1px solid #2b2825;display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--mute2)}
.ftr-base a{color:#bdb7ad}
.ftr-vx{margin-left:auto}
.ftr-legal{display:inline-flex;gap:16px}
.ftr-vx b{color:#fff}

/* ---------- forms ---------- */
.field{display:grid;gap:6px;margin-bottom:14px}
.field label,.field .lbl{font-weight:700;font-size:14px}
.field .hint{font-size:13px;color:var(--mute)}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=time],input[type=number],input[type=search],select,textarea{
  width:100%;min-height:46px;padding:10px 12px;font:inherit;font-size:16px;color:var(--ink);background:var(--white);border:1.5px solid var(--line);border-radius:var(--r)}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--ink);outline:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--stage)}
.form-err{color:var(--stage);font-weight:700;font-size:14px}
.form-ok{background:#e9f4ee;border-left:4px solid var(--ok);padding:14px 16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- notices / misc ---------- */
.note{background:var(--white);border-left:4px solid var(--stage);padding:14px 16px;font-size:15px}
.note.ok{border-color:var(--ok)}.note.warn{border-color:var(--gold)}
.preview-flag{display:block;background:var(--gold);color:#fff;text-align:center;font-size:13px;font-weight:700;padding:6px var(--gut)}
.table{width:100%;border-collapse:collapse;background:var(--white);font-size:15px}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line2);text-align:left;vertical-align:top}
.table th{font-size:13px;color:var(--mute);font-weight:700}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
.breadcrumb{font-size:13px;color:var(--mute);margin-bottom:12px}
.breadcrumb a{color:var(--mute)}
.page-hd{padding:36px 0 24px;background:var(--white);border-bottom:1px solid var(--line2)}
@media (min-width:768px){.page-hd{padding:56px 0 36px}}
.page-hd h1{margin-bottom:10px}
.faq details{background:var(--white);border-bottom:1px solid var(--line2)}
.faq summary{cursor:pointer;padding:16px 44px 16px 16px;font-weight:700;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:12px;font-size:22px;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 16px 16px;color:var(--ink3)}

/* ---------- modal / sheet ---------- */
.sheet{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;background:rgba(17,17,17,.5)}
@media (min-width:768px){.sheet{align-items:center}}
.sheet-in{background:var(--paper);width:100%;max-width:640px;max-height:92vh;overflow-y:auto;padding:24px var(--gut) calc(24px + env(safe-area-inset-bottom));position:relative}
@media (min-width:768px){.sheet-in{padding:28px 32px}}
.sheet-x{position:absolute;top:10px;right:10px;width:44px;height:44px;border:0;background:none;font-size:26px;cursor:pointer}

/* reduce motion */
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{.hdr,.mbar,.ftr,.drawer{display:none!important}body{padding:0;background:#fff}}

/* TODO marker for facts Frank still has to supply — visible in preview only */
html[data-preview] .todo{background:#fff3c4;outline:1px dashed var(--gold);padding:0 4px}
html[data-preview] .todo:empty::before{content:"[待补]"}

.nw{white-space:nowrap}

/* review fixes 2026-11-06 */
time{white-space:nowrap}
.ftr-col a{display:block;padding:9px 0}
.ftr-base a{display:inline-block;padding:10px 4px}
.breadcrumb a{display:inline-block;padding:10px 2px}
@media (max-width:767px){.tag,.kicker{font-size:12px}}
@media (max-width:389px){.hdr-in{gap:10px}.hdr-lang{min-width:40px;padding:6px}}
.drawer-login{margin-bottom:22px}
@media (min-width:1180px){.drawer{display:none!important}body.drawer-open{overflow:auto}}

/* desktop footer: tighter rows, aligned base */
@media (min-width:768px){.ftr-col{gap:0}.ftr-col a{padding:6px 0}.ftr-base{align-items:center}.ftr-base a{padding:8px 0}}
/* phone footer (Frank 11/06 "布局在手机上看起来不太行"): one group per row, links in 2 columns, compact base */
@media (max-width:767px){
  .ftr-in{grid-template-columns:1fr;gap:22px;padding-top:36px}
  .ftr-col{grid-template-columns:1fr 1fr;column-gap:16px;row-gap:0}
  .ftr-col h2{grid-column:1/-1;margin-bottom:2px}
  .ftr-col a{padding:8px 0;min-height:40px;display:flex;align-items:center;font-size:14px;line-height:1.3}
  .ftr-base{flex-direction:column;align-items:flex-start;gap:0;padding-bottom:32px}
  .ftr-base > span{padding:4px 0}
  .ftr-base a{padding:6px 0}
  .ftr-legal{margin:2px 0}
  .ftr-legal{gap:24px}
  .ftr-vx{margin-left:0}
}

/* Big screens (Frank 11/06: on a large monitor the page sat small in the middle, hero photo hugging the right edge).
   Above laptop widths the whole page scales up in steps, so the layout keeps the proportions it has on a laptop
   (effective width stays ~1500–1650px) instead of a 1180px strip in a 3000px window. Phones / tablets / laptops unchanged. */
@media (min-width:1680px){body{zoom:1.12}}
@media (min-width:1920px){body{zoom:1.25}}
@media (min-width:2240px){body{zoom:1.4}}
@media (min-width:2560px){body{zoom:1.6}}
@media (min-width:3000px){body{zoom:1.85}}
@media (min-width:3600px){body{zoom:2.2}}