/* 51风流 · 51fengliu.autos — 全站样式（复刻自源站设计系统，浅色底） */
:root{
  --bg:#f5f5f7;
  --surface:#ffffff;
  --surface-2:#f8f9ff;
  --primary:#ec4899;
  --primary-deep:#c2246e;
  --primary-2:#cb2e78;
  --primary-soft:#fde7f1;
  --primary-ink:#a81a5a;
  --text:#3f4756;
  --text-strong:#1f2937;
  --muted:#5d6575;
  --line:#e7e9f2;
  --line-soft:#eef0f7;
  --amber:#fbbf24;
  --cta-line:rgba(255,255,255,.85);
  --cta-blush:rgba(255,255,255,.5);
  --go-chip:rgba(255,255,255,.18);
  --mask:rgba(17,24,39,.45);
  --radius:10px;
  --radius-sm:6px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04),0 12px 28px -16px rgba(16,24,40,.16);
  --shadow-cta:0 10px 26px -10px rgba(236,72,153,.55);
  --container:1024px;
  --cta-h:58px;
}
*{box-sizing:border-box;border-width:0;border-style:solid}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  padding-bottom:calc(var(--cta-h) + 30px);
  overflow-wrap:anywhere;
}
h1,h2,h3{color:var(--text-strong);line-height:1.3;margin:0 0 .6em}
h1{font-size:26px}
h2{font-size:21px}
h3{font-size:17px}
p{margin:0 0 1em}
a{color:var(--primary-deep);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto}
ul,ol{margin:0 0 1em;padding-left:1.4em}
li{margin-bottom:.4em}
hr{height:1px;background:var(--line);border:0;margin:2rem 0}
table{border-collapse:collapse;width:100%;margin:0 0 1.2em;background:var(--surface)}
th,td{border:1px solid var(--line);padding:.55em .8em;text-align:left;vertical-align:top;font-size:15px}
th{background:var(--surface-2);color:var(--text-strong);font-weight:600}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* 顶条 + header */
.topbar{height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-2) 55%,var(--amber))}
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);box-shadow:0 1px 8px rgba(16,24,40,.08)}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 1rem;display:flex;align-items:center;gap:1rem;min-height:56px}
.brand{display:inline-flex;align-items:center;font-weight:800;font-size:20px;color:var(--primary-deep);letter-spacing:.5px}
.brand .pill{background:var(--primary-deep);color:#fff;font-size:14px;font-weight:600;border-radius:6px;padding:2px 9px;margin-left:5px}
.brand:hover{text-decoration:none}
.main-nav{display:none;align-items:center;gap:.25rem;margin-left:1rem;flex:1}
.main-nav a{color:var(--text);font-size:15px;padding:8px 12px;border-radius:var(--radius-sm)}
.main-nav a:hover{color:var(--primary-ink);background:var(--primary-soft);text-decoration:none}
.nav-toggle{margin-left:auto;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--text-strong);border-radius:2px}
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
.drawer.open{visibility:visible}
.drawer-mask{position:absolute;inset:0;background:var(--mask);opacity:0;transition:opacity .2s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{position:absolute;top:0;left:0;bottom:0;width:264px;max-width:82vw;background:var(--surface);transform:translateX(-102%);transition:transform .22s cubic-bezier(.4,0,.2,1);padding:18px 0;overflow-y:auto}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel .brand{padding:0 20px 14px;border-bottom:1px solid var(--line-soft);margin-bottom:8px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:12px 20px;color:var(--text);font-size:16px}
.drawer-nav a:hover{background:var(--primary-soft);color:var(--primary-ink);text-decoration:none}
.drawer-close{position:absolute;top:10px;right:10px;width:44px;height:44px;border:0;background:none;font-size:24px;color:var(--muted);cursor:pointer;line-height:1}

/* 布局容器 */
.container{max-width:var(--container);margin:0 auto;padding:0 1rem}
.main{padding:1.4rem 0 0}
.panel{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:1.25rem 1.25rem 1rem;margin-bottom:1.4rem}
.panel>h2:first-child,.panel>h3:first-child{margin-top:0}
.lead{font-size:16.5px}
.small{font-size:13px;color:var(--muted)}

/* 首屏 */
.hero{padding-top:.4rem}
.hero h1{margin-bottom:.5em}
.hero .sub{margin-bottom:1.1rem}
.hot-cities{display:flex;flex-wrap:wrap;gap:9px;padding:0;list-style:none;margin:0 0 1rem}
.hot-cities a{display:inline-block;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:15px;color:var(--text)}
.hot-cities a:hover{border-color:var(--primary);color:var(--primary-ink);text-decoration:none;background:#fff}

/* 信息卡流 */
.card-flow{display:grid;gap:12px}
@media(min-width:640px){.card-flow{grid-template-columns:1fr 1fr}}
.info-card{display:block;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:14px 16px;color:var(--text)}
.info-card:hover{border-color:rgba(236,72,153,.4);text-decoration:none}
.info-card h3{display:flex;align-items:baseline;gap:10px;margin-bottom:.35em;font-size:16px}
.info-card h3 .heat{margin-left:auto;font-size:12px;color:var(--muted);font-weight:400;white-space:nowrap}
.info-card .excerpt{margin:0 0 .5em;color:var(--text)}
.info-card .loc{color:var(--primary-deep);font-size:13px}
.info-card .loc small{color:var(--muted);margin-left:6px}

/* 业态网格 */
.biz-grid{display:grid;gap:12px}
@media(min-width:640px){.biz-grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.biz-grid{grid-template-columns:repeat(3,1fr)}}
.biz-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:14px 16px}
.biz-card h3{font-size:16px;margin-bottom:.3em}
.biz-card p{margin:0;font-size:15px}
.biz-card .biz-loc{display:block;margin-top:.45em;font-size:13px;color:var(--muted)}

/* 行话 chips */
.slang{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0 0 1em}
.slang span{background:var(--primary-soft);color:var(--primary-ink);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600}

/* 地区列表 */
.region-list{columns:2;column-gap:2rem;padding-left:1.4em;margin-bottom:0}
@media(max-width:560px){.region-list{columns:1}}
.region-list li{break-inside:avoid}

/* 专题/导流 */
.topic-list{display:grid;gap:10px}
@media(min-width:640px){.topic-list{grid-template-columns:1fr 1fr}}
.topic-item{background:var(--surface-2);border:1px solid var(--line-soft);border-radius:var(--radius);padding:12px 14px;font-size:15px}
.topic-item a{font-weight:600}

/* FAQ */
details{border-bottom:1px solid var(--line-soft);padding:.2em 0}
details:last-of-type{border-bottom:0}
summary{cursor:pointer;font-weight:600;color:var(--text-strong);padding:.55em 0;font-size:16px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--primary);font-size:18px;line-height:1.4}
details[open] summary::after{content:"−"}
details p:last-child{padding-bottom:.6em}

/* 攻略/城市页组件 */
.entry-list{padding-left:0;list-style:none;margin:0}
.entry-list li{border-bottom:1px solid var(--line-soft);padding:11px 2px}
.entry-list li:last-child{border-bottom:0}
.entry-list .e-head{display:flex;align-items:baseline;gap:10px}
.entry-list .e-head a{font-weight:600;color:var(--text-strong)}
.entry-list .e-head .heat{margin-left:auto;font-size:12px;color:var(--muted);overflow-wrap:anywhere;text-align:right}
.entry-list .e-desc{margin:.25em 0 0;font-size:15px}
.entry-list .e-loc{font-size:13px;color:var(--primary-deep)}
.entry-list .e-loc small{color:var(--muted);margin-left:6px}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1rem}
.filter-bar a{font-size:14px;border:1px solid var(--line);border-radius:999px;padding:5px 13px;color:var(--text);background:var(--surface)}
.filter-bar a:hover{border-color:var(--primary);color:var(--primary-ink);text-decoration:none}
.fact-list dt{font-weight:600;color:var(--text-strong);margin-top:.7em}
.fact-list dd{margin:0 0 .4em}

/* footer */
.site-footer{background:var(--surface);box-shadow:0 -1px 8px rgba(16,24,40,.06);padding:2rem 0 1.2rem;margin-top:2rem}
.footer-grid{display:grid;gap:1.6rem}
@media(min-width:768px){.footer-grid{grid-template-columns:1.2fr 2fr}}
.footer-brand .brand{font-size:22px}
.footer-brand p{font-size:14px;color:var(--muted);margin:.6em 0 0}
.footer-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
@media(min-width:560px){.footer-cols{grid-template-columns:repeat(4,1fr)}}
.footer-cols h3{font-size:14px;color:var(--text-strong);margin-bottom:.5em}
.footer-cols ul{list-style:none;margin:0;padding:0}
.footer-cols a{font-size:14px;color:var(--muted);display:inline-block;padding:3px 0}
.footer-cols a:hover{color:var(--primary-ink)}
.footer-note{margin-top:1.6rem;font-size:13px;color:var(--muted)}

/* 寻芳 CTA（唯一） */
.site-cta{
  position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
  z-index:80;display:flex;align-items:center;justify-content:center;gap:10px;
  width:min(520px,calc(100vw - 28px));min-height:var(--cta-h);
  background:linear-gradient(135deg,var(--primary-deep),var(--primary-2));
  color:#fff;font-size:16.5px;font-weight:600;text-align:center;
  border-radius:999px;padding:10px 22px;
  box-shadow:var(--shadow-cta);text-decoration:none;overflow:hidden;
}
.site-cta:hover{background:linear-gradient(135deg,var(--primary-deep),var(--primary-2));text-decoration:none}
.site-cta .go{background:var(--go-chip);border-radius:999px;padding:2px 12px;font-size:14px;font-weight:600;white-space:nowrap}
.site-cta::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--cta-line);transform:scaleX(0);transform-origin:left center;
  animation:cta-thread 3.2s cubic-bezier(.2,.7,.3,1) infinite;
}
.site-cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 18% 108%,var(--cta-blush),transparent 58%);
  opacity:0;animation:cta-blush 3.2s cubic-bezier(.2,.7,.3,1) infinite;
}
@keyframes cta-thread{
  0%{transform:scaleX(0);opacity:0}
  14%{opacity:.9}
  34%,72%{transform:scaleX(1);opacity:.85}
  86%,100%{transform:scaleX(1);opacity:0}
}
@keyframes cta-blush{
  0%,20%{opacity:0}
  46%{opacity:.24}
  72%,100%{opacity:0}
}
@media(max-width:720px){
  :root{--cta-h:54px}
  .site-cta{left:14px;right:14px;transform:none;width:auto;font-size:16px;padding:9px 16px;bottom:calc(14px + env(safe-area-inset-bottom))}
  body{padding-bottom:calc(var(--cta-h) + 28px + env(safe-area-inset-bottom))}
  .site-cta .go{padding:2px 10px}
}
@media(min-width:721px){
  body{padding-bottom:calc(var(--cta-h) + 34px)}
}
@media (prefers-reduced-motion:reduce){
  .site-cta::before{transform:scaleX(1);opacity:.85;animation:none}
  .site-cta::after{opacity:.14;animation:none}
  html{scroll-behavior:auto}
}

/* 窄屏文字保护 */
@media(max-width:420px){
  h1{font-size:23px}
  .info-card h3 .heat{display:none}
}