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

:root{
  --ink:#26171a;
  --deep:#1b1012;
  --card:#32222b;
  --rose:#eb879c;
  --pink:#ffb6c1;
  --txt:#f8ebed;
  --mut:#dcc5ca;
  --line:rgba(255,182,193,.22);
  --r:4px;
  --sh:0 2px 4px rgba(0,0,0,.26),0 14px 30px -14px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box;min-width:0}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  max-width:100%;
  overflow-x:hidden;
}

body{
  margin:0;
  width:100%;
  max-width:100%;
  overflow-x:hidden;
  font-family:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--txt);
  background:var(--ink);
  background-image:
    radial-gradient(820px 460px at 84% -8%,rgba(235,135,156,.18),transparent 64%),
    radial-gradient(640px 400px at -6% 26%,rgba(255,182,193,.1),transparent 62%);
  background-repeat:no-repeat;
}

@supports (overflow-x:clip){
  html,body{overflow-x:clip}
}

img,svg,video,iframe,pre,table,figure{max-width:100%}
img{display:block;height:auto}

a{color:var(--pink);text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease}
a:hover{color:#fff}

h1,h2,h3{font-weight:700;line-height:1.14;letter-spacing:-.02em;margin:0;overflow-wrap:anywhere}
p{margin:0 0 1em}
li,blockquote,td,th,figcaption,span{overflow-wrap:anywhere}

hr{height:0;border:0;border-top:2px solid var(--line);margin:10px 0 18px}

:focus-visible{outline:3px solid var(--pink);outline-offset:3px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:11px 22px;max-width:100%;
  border:2px solid var(--rose);border-radius:var(--r);
  background:var(--rose);color:var(--ink);font-weight:700;
  white-space:normal;text-align:center;overflow-wrap:anywhere;
  box-shadow:0 2px 4px rgba(0,0,0,.32);
}
.btn:hover{background:var(--pink);border-color:var(--pink);color:var(--ink);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--pink)}
.btn--ghost:hover{background:rgba(255,182,193,.14);border-color:var(--rose);color:var(--pink)}

/* 顶栏 */
.bar{
  position:sticky;top:0;z-index:40;
  width:100%;max-width:100%;
  background:rgba(27,16,18,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.ribbon{
  display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;gap:4px 8px;
  padding:5px 10px;width:100%;max-width:100%;
  background:linear-gradient(90deg,var(--rose),var(--pink));
  color:var(--ink);font-weight:700;letter-spacing:.08em;
  font-size:.9rem;line-height:1.5;text-align:center;
}
.ribbon__dot{width:8px;height:8px;border-radius:50%;background:var(--ink);flex:none}
.ribbon__sep{width:1px;height:14px;background:rgba(38,23,26,.45);flex:none}

.dock{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"brand btn" "l l" "r r";
  align-items:center;gap:0 10px;
  width:100%;max-width:1180px;margin:0 auto;padding:8px 14px;
}
.brand{
  grid-area:brand;
  display:inline-flex;align-items:center;gap:9px;
  min-width:0;max-width:100%;
  padding:8px 2px;color:var(--txt);font-weight:700;letter-spacing:-.01em;
}
.brand__mark{width:30px;height:30px;flex:none;border-radius:var(--r);box-shadow:0 2px 6px rgba(0,0,0,.45)}
.brand__txt{font-size:1.05rem;min-width:0;overflow-wrap:anywhere}
.brand:hover{color:var(--pink)}

.dock__btn{
  grid-area:btn;
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;padding:8px 13px;
  border:1px solid var(--line);border-radius:var(--r);
  color:var(--pink);font-size:1rem;cursor:pointer;list-style:none;
}
.dock__btn::-webkit-details-marker{display:none}
.burger{width:16px;height:2px;background:var(--pink);box-shadow:0 -5px 0 var(--pink),0 5px 0 var(--pink);display:block;flex:none}

.dock > menu{
  margin:0;padding:0;list-style:none;
  display:none;flex-wrap:wrap;gap:2px;
  width:100%;min-width:0;max-width:100%;
}
.dock[open] > menu{display:flex}
.dock__side{flex-wrap:wrap;min-width:0;max-width:100%}
.dock__side--l{grid-area:l;justify-content:flex-start}
.dock__side--r{grid-area:r;justify-content:flex-end}
.dock__side a{
  display:inline-flex;align-items:center;gap:7px;
  min-height:44px;max-width:100%;padding:8px 10px;border-radius:var(--r);
  color:var(--mut);font-size:.97rem;overflow-wrap:anywhere;
}
.dock__side a:hover{background:rgba(235,135,156,.15);color:var(--pink)}
.ico{width:6px;height:6px;border-radius:50%;background:var(--rose);flex:none;transition:transform .22s ease}
.dock__side a:hover .ico{transform:scale(1.8)}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr);gap:26px;
  max-width:1180px;margin:0 auto;
  padding:104px 20px 40px;
}
.hero::before{
  content:"51";
  position:absolute;top:-.08em;right:0;
  font-size:clamp(5.5rem,26vw,20rem);line-height:.8;font-weight:700;letter-spacing:-.05em;
  color:rgba(235,135,156,.1);pointer-events:none;z-index:0;
}
.hero__txt{position:relative;z-index:1;min-width:0;max-width:100%}
.kicker{
  display:inline-block;margin:0 0 16px;padding:5px 13px;max-width:100%;
  border:1px solid var(--rose);border-radius:999px;
  background:rgba(235,135,156,.12);color:var(--pink);
  font-size:.95rem;letter-spacing:.1em;overflow-wrap:anywhere;
}
.hero__h1{
  font-size:clamp(1.95rem,8vw,4.4rem);
  letter-spacing:-.035em;margin:0 0 22px;
  text-shadow:0 8px 22px rgba(0,0,0,.5);
  overflow-wrap:anywhere;
}
.hero__acts{display:flex;flex-wrap:wrap;gap:12px}
.hero__fig{margin:0;min-width:0;max-width:100%}
.hero__fig img,
.hero__img{
  border:3px solid var(--rose);border-radius:var(--r);
  box-shadow:var(--sh);transform:rotate(-1.2deg);
}
.hero--solo{grid-template-columns:minmax(0,1fr)}
.hero--solo .hero__fig{display:none}

/* 主体 */
.wrap{
  max-width:1180px;margin:0 auto;padding:0 20px 64px;
  display:grid;grid-template-columns:minmax(0,1fr);gap:26px;
  width:100%;
}
.doc{min-width:0;max-width:100%}

.prose{
  font-size:1.0625rem;
  overflow-wrap:anywhere;
  min-width:0;max-width:100%;
  overflow-x:auto;overscroll-behavior-x:contain;
  -webkit-overflow-scrolling:touch;
}
.prose *{max-width:100%}
.prose div[id]{
  background:var(--card);
  border-radius:var(--r);
  border-bottom:3px solid var(--rose);
  box-shadow:var(--sh);
  padding:24px 18px;
  margin:0 0 26px;
  scroll-margin-top:120px;
  max-width:100%;min-width:0;
  overflow-x:auto;overscroll-behavior-x:contain;
}
.prose h2{font-size:clamp(1.4rem,5.6vw,2.05rem)}
.prose h2 + hr{width:56px;border-top-width:3px;border-top-color:var(--rose);margin-top:10px}
.prose h3{font-size:1.18rem;color:var(--pink);margin:24px 0 8px}
.prose h3 + hr{width:40px;border-top-color:var(--rose);margin-top:8px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}
.prose li{margin:0 0 .4em}
.prose a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.prose strong{color:#fff}
.prose blockquote{
  margin:0 0 1em;padding:12px 14px;max-width:100%;
  border-left:3px solid var(--rose);border-radius:0 var(--r) var(--r) 0;
  background:rgba(235,135,156,.1);color:var(--txt);
}
.prose blockquote p:last-child{margin:0}
.prose table{
  display:block;width:100%;max-width:100%;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-collapse:collapse;margin:0 0 1em;font-size:.98rem;
}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;max-width:none}
.prose th{background:rgba(235,135,156,.14);color:var(--pink)}
.prose img,.prose video,.prose iframe{max-width:100%;height:auto;border-radius:var(--r);margin:0 0 1em}
.prose pre{max-width:100%;overflow-x:auto;padding:12px;border-radius:var(--r);background:rgba(255,182,193,.1)}
.prose code{background:rgba(255,182,193,.16);padding:1px 5px;border-radius:3px;font-size:.95em;overflow-wrap:anywhere}

/* 侧栏 */
.rail{min-width:0;max-width:100%}
.rail__card{
  background:var(--card);border-radius:var(--r);
  border-bottom:3px solid var(--pink);
  box-shadow:var(--sh);padding:20px 16px;
  max-width:100%;min-width:0;overflow-wrap:anywhere;
}
.rail__h{font-size:1.05rem}
.rail__list{list-style:none;margin:0 0 14px;padding:0;counter-reset:r}
.rail__list li{counter-increment:r;min-width:0}
.rail__list a{
  display:flex;align-items:center;gap:9px;
  min-height:42px;padding:6px 2px;max-width:100%;
  border-bottom:1px dashed var(--line);
  color:var(--mut);font-size:.98rem;overflow-wrap:anywhere;
}
.rail__list a::before{content:counter(r,decimal-leading-zero);color:var(--rose);font-weight:700;font-size:.85rem;flex:none}
.rail__list a:hover{color:var(--pink)}
.rail__top{
  display:flex;align-items:center;justify-content:center;
  min-height:44px;padding:8px 14px;
  border:1px solid var(--line);border-radius:var(--r);
  color:var(--pink);font-weight:700;
}
.rail__top:hover{background:rgba(255,182,193,.14);border-color:var(--rose);color:var(--pink)}

/* 页脚 */
.foot{
  display:grid;grid-template-columns:minmax(0,1fr);gap:26px;
  margin-top:12px;padding:38px 20px 20px;
  width:100%;max-width:100%;
  background:var(--deep);border-top:3px solid var(--rose);
}
.foot > div{min-width:0;max-width:100%}
.foot__cta{
  grid-column:1/-1;
  background:linear-gradient(135deg,rgba(235,135,156,.22),rgba(255,182,193,.07));
  border:1px solid var(--line);border-radius:var(--r);
  padding:24px 18px;box-shadow:var(--sh);
}
.foot__cta h2{font-size:clamp(1.3rem,5vw,1.9rem)}
.foot__cta h2 + hr{width:56px;border-top-width:3px;border-top-color:var(--rose);margin:10px 0 18px}
.foot__col h3{font-size:1rem;color:var(--pink);margin-bottom:8px}
.brand--foot{padding:0}
.foot__menu{list-style:none;margin:0;padding:0;min-width:0;max-width:100%}
.foot__menu a{display:flex;align-items:center;min-height:42px;padding:6px 0;color:var(--mut);max-width:100%;overflow-wrap:anywhere}
.foot__menu a:hover{color:var(--pink)}
.foot__desc{margin:0;color:var(--mut);font-size:.98rem;overflow-wrap:anywhere}
.foot__legal{
  grid-column:1/-1;text-align:center;
  border-top:1px solid var(--line);padding-top:14px;
  color:var(--mut);font-size:.95rem;overflow-wrap:anywhere;
}
.foot__legal p{margin:0}

/* 断点 */
@media (min-width:880px){
  .dock{
    grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
    grid-template-areas:"l brand r";
    padding:10px 20px;
  }
  .dock > menu{display:flex !important;flex-wrap:wrap}
  .dock__btn{display:none}
  .hero{
    grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
    align-items:center;
    min-height:100vh;
    padding:132px 20px 60px;
  }
  .hero--solo{min-height:auto;padding-bottom:44px}
  .wrap{grid-template-columns:minmax(0,1fr) 300px;align-items:start}
  .rail{position:sticky;top:118px}
  .foot{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
  .prose div[id]{padding:26px 22px}
}

@media (min-width:1220px){
  .foot{
    padding-left:calc((100% - 1180px)/2);
    padding-right:calc((100% - 1180px)/2);
  }
}

@media (max-width:879px){
  .hero--solo{padding-top:92px}
  .wrap{padding-bottom:44px}
  .foot{padding:34px 16px 18px}
}

@media (max-width:430px){
  .dock{padding:8px 12px}
  .dock__side a{padding:8px 9px;font-size:.94rem}
  .ribbon{font-size:.86rem;letter-spacing:.04em}
  .hero{padding:84px 16px 34px}
  .wrap{padding:0 16px 44px}
  .prose div[id]{padding:20px 14px}
  .prose{font-size:1.03rem}
  .foot{padding:30px 14px 16px}
}

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

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