@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Syncopate:wght@400;700&display=swap');

:root{
  --ink:#26171a;
  --bg:#180e11;
  --bg-2:#211316;
  --surface:#2a1a1e;
  --line:rgba(255,182,193,.22);
  --line-soft:rgba(255,182,193,.11);
  --pink:#eb879c;
  --pink-l:#ffb6c1;
  --text:#f7ebef;
  --dim:#d3b8bf;
  --r:18px;
  --shadow:0 2px 4px rgba(0,0,0,.45), 0 16px 38px rgba(0,0,0,.38);
  --mono:'Space Mono','PingFang SC','Hiragino Sans GB','Microsoft YaHei',ui-monospace,monospace;
  --wide:'Syncopate','Space Mono','PingFang SC','Microsoft YaHei',sans-serif;
}

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

html{
  font-size:17px;
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:var(--mono);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(72% 55% at 88% -8%, rgba(235,135,156,.20), transparent 66%),
    radial-gradient(52% 42% at 2% 6%, rgba(255,182,193,.09), transparent 70%);
  background-attachment:fixed;
}

img{display:block;max-width:100%;height:auto}
a{color:var(--pink-l)}
p{margin:0 0 14px}
:focus-visible{outline:3px solid var(--pink-l);outline-offset:2px;border-radius:8px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--pink);color:var(--ink);text-decoration:none;
  padding:12px 20px;border-radius:0 0 14px 0;font-size:1rem;
}
.skip:focus{left:0}

/* 顶栏 */
.top{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:10px;
  padding:8px clamp(14px,4vw,44px);
  background:rgba(24,14,17,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}

.mark{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,#3d242a,#241417);
  color:var(--pink-l);text-decoration:none;
  font-family:var(--wide);font-size:1rem;letter-spacing:.04em;
  box-shadow:0 2px 4px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,182,193,.2);
  transition:transform .22s ease, border-color .22s ease;
}
.mark:hover{transform:translateY(-2px);border-color:var(--pink-l)}
.mark img{width:26px;height:26px;border-radius:8px}

.topnav{margin-left:auto}
.navlist{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.navlist>li{position:relative}
.navlist a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 11px;
  border-radius:12px;color:var(--dim);text-decoration:none;
  font-size:.94rem;letter-spacing:.02em;
  transition:color .2s ease, background-color .2s ease;
}
.navlist>li>a:hover,
.navlist>li>a:focus-visible{color:var(--text);background:rgba(235,135,156,.18)}

.nav-group>a::after{
  content:'';width:6px;height:6px;margin-left:8px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}

.sub{
  position:absolute;left:0;top:calc(100% + 8px);min-width:188px;
  list-style:none;margin:0;padding:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
}
.nav-group:hover .sub,
.nav-group:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{width:100%;padding:0 12px;color:var(--dim)}

.contact{
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(235,135,156,.12);color:var(--pink-l);
  text-decoration:none;font-size:.94rem;white-space:nowrap;
  transition:background-color .22s ease, transform .22s ease;
}
.contact:hover{background:rgba(235,135,156,.24);transform:translateY(-1px)}

.burger{
  display:none;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,182,193,.08);
  color:var(--text);font-family:var(--mono);font-size:.94rem;cursor:pointer;
}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;gap:16px;
  min-height:100vh;min-height:100svh;
  padding:clamp(30px,8vw,90px) clamp(18px,5vw,64px);
  border-bottom:1px solid var(--line-soft);
}
.hero-ghost{
  position:absolute;right:-3vw;bottom:1vh;z-index:0;
  font-family:var(--wide);font-weight:700;
  font-size:clamp(72px,17vw,230px);line-height:.86;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1px rgba(255,182,193,.22);
  white-space:nowrap;pointer-events:none;user-select:none;
}
.hero-tag{
  position:relative;z-index:1;margin:0;
  font-size:.94rem;letter-spacing:.34em;color:var(--pink);
  text-transform:uppercase;
}
.hero-h1{
  position:relative;z-index:1;margin:0;
  font-family:var(--wide);font-weight:700;
  font-size:clamp(34px,8vw,84px);line-height:1.04;letter-spacing:-.02em;
  color:var(--text);text-shadow:0 2px 4px rgba(0,0,0,.5);
}

/* 主体 */
.main{display:block}

.sheet{
  display:grid;grid-template-columns:minmax(0,1fr) 282px;
  gap:clamp(18px,3vw,40px);
  max-width:1180px;margin:0 auto;
  padding:clamp(26px,5vw,64px) clamp(18px,5vw,64px) 48px;
}

.mark-panel{
  grid-column:1 / -1;margin:0;
  display:flex;align-items:center;gap:16px;
  padding:14px 22px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(120deg, rgba(235,135,156,.14), rgba(38,23,26,.6));
  transition:transform .24s ease, border-color .24s ease;
}
.mark-panel:hover{transform:translateY(-2px);border-color:var(--pink)}
.mark-panel .glyph{
  font-family:var(--wide);font-size:1.7rem;line-height:1;
  color:var(--pink-l);letter-spacing:.08em;
}
.mark-panel figcaption{
  font-size:.94rem;letter-spacing:.3em;color:var(--dim);
}

.sheet-body{grid-column:1;min-width:0;max-width:70ch}
.sheet-body article{
  padding:clamp(22px,3vw,36px) 0;
  border-top:1px solid var(--line-soft);
  scroll-margin-top:96px;
}
.sheet-body article:first-child{border-top:0;padding-top:0}
.sheet-body h2{
  margin:0 0 12px;font-family:var(--wide);font-weight:700;
  font-size:clamp(21px,3.2vw,30px);line-height:1.28;letter-spacing:-.01em;
  color:var(--pink-l);
}
.sheet-body h3{
  margin:22px 0 10px;font-size:1.06rem;line-height:1.4;
  color:var(--text);letter-spacing:.01em;
}
.sheet-body p{font-size:1rem;line-height:1.85;color:var(--text)}
.sheet-body p.subtitle,
.sheet-body .subtitle,
.sheet-body .lead{
  color:var(--dim);font-size:1rem;letter-spacing:.01em;
}
.sheet-body ul,.sheet-body ol{margin:0 0 16px;padding-left:1.35rem}
.sheet-body li{margin:0 0 8px;line-height:1.75}
.sheet-body strong{color:var(--pink-l);font-weight:700}
.sheet-body blockquote{
  margin:18px 0;padding:14px 20px;
  border-left:3px solid var(--pink);border-radius:0 var(--r) var(--r) 0;
  background:rgba(235,135,156,.09);color:var(--dim);
}
.sheet-body blockquote p:last-child{margin:0}
.sheet-body a{color:var(--pink-l);text-underline-offset:3px}
.sheet-body figure{margin:18px 0}
.sheet-body img{border-radius:14px;border:1px solid var(--line-soft)}

/* 侧栏 */
.rail{
  grid-column:2;align-self:start;position:sticky;top:84px;
  padding:20px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(42,26,30,.62);
}
.rail h2{
  margin:0 0 8px;font-family:var(--wide);font-weight:700;
  font-size:1.02rem;line-height:1.35;letter-spacing:.02em;color:var(--pink-l);
}
.rail .subtitle{margin:0;color:var(--dim);font-size:.94rem;line-height:1.6}
.rail-list{
  list-style:none;margin:14px 0 0;padding:14px 0 0;
  border-top:1px solid var(--line-soft);
}
.rail-list a{
  display:flex;align-items:center;min-height:40px;
  color:var(--dim);text-decoration:none;font-size:.94rem;
  border-bottom:1px dashed rgba(255,182,193,.14);
  transition:color .2s ease, padding-left .2s ease;
}
.rail-list a:hover{color:var(--pink-l);padding-left:4px}

/* 页脚 */
.foot{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:26px 20px;
  padding:clamp(28px,5vw,56px) clamp(18px,5vw,64px) 22px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(42,26,30,.55), rgba(24,14,17,.92));
}
.foot .cta{
  grid-column:1 / -1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:clamp(18px,3vw,28px) clamp(18px,3vw,30px);
  border:1px solid var(--line);border-radius:var(--r);
  background:radial-gradient(120% 140% at 100% 0%, rgba(235,135,156,.22), rgba(38,23,26,.5));
  box-shadow:inset 0 1px 0 rgba(255,182,193,.16);
}
.cta-big{
  margin:0;font-family:var(--wide);font-weight:700;
  font-size:clamp(23px,4.4vw,38px);line-height:1.15;letter-spacing:-.01em;
  color:var(--text);
}
.cta-link{
  display:inline-flex;align-items:center;min-height:46px;padding:0 24px;
  border-radius:44px;background:var(--pink);color:var(--ink);
  text-decoration:none;font-size:1rem;font-weight:700;
  transition:transform .22s ease, background-color .22s ease;
}
.cta-link:hover{transform:translateY(-2px);background:var(--pink-l)}

.foot .col{min-width:0;font-size:.94rem;color:var(--dim)}
.col-brand{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.col-brand .bmark{
  display:grid;place-items:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;
  background:rgba(255,182,193,.08);color:var(--pink-l);
  font-family:var(--wide);font-size:1.1rem;
}
.col-brand .bname{
  font-family:var(--wide);font-size:.94rem;letter-spacing:.14em;color:var(--text);
}
.col-word p{margin:0 0 8px;letter-spacing:.12em}
.col-contact a{
  display:inline-flex;align-items:center;min-height:42px;padding:0 18px;
  border:1px solid var(--line);border-radius:44px;
  color:var(--pink-l);text-decoration:none;
  transition:background-color .2s ease;
}
.col-contact a:hover{background:rgba(235,135,156,.16)}

.footlist{list-style:none;margin:0;padding:0}
.footlist a{
  display:flex;align-items:center;min-height:40px;
  border-bottom:1px solid rgba(255,182,193,.1);
  color:var(--dim);text-decoration:none;font-size:.94rem;
  transition:color .2s ease;
}
.footlist a:hover{color:var(--pink-l)}

.foot .legal{
  grid-column:1 / -1;text-align:center;
  border-top:1px solid var(--line-soft);padding-top:16px;
}
.foot .legal p{margin:0;font-size:.94rem;color:var(--dim);letter-spacing:.06em}

/* 动效 */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
.navlist>li{animation:rise .26s cubic-bezier(.2,.7,.3,1) both}
.navlist>li:nth-child(2){animation-delay:.05s}
.navlist>li:nth-child(3){animation-delay:.1s}
.navlist>li:nth-child(4){animation-delay:.15s}
.navlist>li:nth-child(5){animation-delay:.2s}
.rail-list li,.footlist li{animation:rise .3s ease-out both}
.rail-list li:nth-child(2),.footlist li:nth-child(2){animation-delay:.03s}
.rail-list li:nth-child(3),.footlist li:nth-child(3){animation-delay:.06s}
.rail-list li:nth-child(4),.footlist li:nth-child(4){animation-delay:.09s}
.rail-list li:nth-child(5),.footlist li:nth-child(5){animation-delay:.12s}
.rail-list li:nth-child(6),.footlist li:nth-child(6){animation-delay:.15s}
.hero-tag{animation:fade .5s ease-out both;animation-delay:.1s}
.hero-h1{animation:rise .5s cubic-bezier(.2,.7,.3,1) both;animation-delay:.16s}

/* 移动端 */
@media (max-width:880px){
  .burger{display:inline-flex}
  .contact{margin-left:auto}
  .topnav{
    position:absolute;left:0;right:0;top:100%;
    display:none;margin-left:0;
    padding:12px 16px 22px;max-height:76vh;overflow:auto;
    background:#1e1114;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.55);
  }
  body.nav-open .topnav{display:block}
  .navlist{flex-direction:column;align-items:stretch;gap:2px}
  .navlist a{min-height:46px;padding:0 12px;font-size:1rem}
  .sub{
    position:static;opacity:1;visibility:visible;transform:none;
    min-width:0;padding:2px 0 6px 16px;
    background:transparent;border:0;box-shadow:none;
  }
  .sub a{min-height:44px;color:#c2a9b0}

  .sheet{grid-template-columns:minmax(0,1fr)}
  .sheet-body{grid-column:1;max-width:none}
  .rail{grid-column:1;position:static;order:3}

  .foot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .col-contact{grid-column:1 / -1}
}

@media (max-width:520px){
  .hero-ghost{font-size:clamp(60px,22vw,120px);right:-6vw}
  .foot{grid-template-columns:minmax(0,1fr)}
  .foot .legal{border-top:0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

button[aria-expanded]{min-width:44px;min-height:44px}