:root{color-scheme:dark;--text:#f7f5f4;--muted:#b5b3ba;--gold:#c6a88d;--gold-btn:#dfc1a7;--shell:#1d1c22;--line:rgba(255,255,255,.08);--card:rgba(25,24,29,.55)}
*{box-sizing:border-box}
html{min-height:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;color:var(--text);font-family:Arial,'PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.85;background:linear-gradient(90deg,rgba(28,27,33,.77),rgba(28,27,33,.89)),url('/assets/network-background.webp') center top/cover fixed,var(--shell)}
main{flex:1}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #ead2bb;outline-offset:4px}
h1,h2,h3{text-wrap:balance}

/* Header / footer */
.site-header{height:96px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.nav{display:flex;align-items:center;gap:44px;font-size:14px;font-weight:bold;letter-spacing:.2em}
.nav a{padding:6px 0}
.nav a:hover,.nav a[aria-current=page]{color:#e1c3aa}
.site-footer{border-top:1px solid var(--line);color:#aaa7ae;text-align:center;font-size:12px;padding:25px 15px}

/* Shared type */
.eyebrow{color:var(--gold);font-size:14px;letter-spacing:.17em;font-weight:600;margin:0 0 24px}
.intro,.body-copy{color:var(--muted);line-height:2;margin:0 0 26px}
.section-title{font-size:26px;line-height:1.4;margin:0 0 28px}

/* Buttons */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid rgba(255,255,255,.26);border-radius:25px;padding:7px 22px;font-size:13px;letter-spacing:.17em;font-weight:bold;font-family:inherit;background:transparent;color:var(--text);cursor:pointer;transition:background .2s,border-color .2s}
.pill:hover{background:rgba(255,255,255,.11);border-color:#e2c7b1}
.pill.gold{background:var(--gold-btn);color:#2c2624;border-color:var(--gold-btn)}
.pill.gold:hover{background:#f1d3b8}
.pill:disabled{opacity:.6;cursor:wait}
.actions{display:flex;flex-wrap:wrap;gap:14px}

/* Home */
.home-hero{min-height:calc(100vh - 96px);min-height:calc(100svh - 96px);display:flex;align-items:center}
.home-inner{width:min(580px,calc(100% - 48px));margin-left:max(calc((100vw - 590px)/2),24px);padding:52px 0 90px}
.home-hero h1{font-size:clamp(30px,3.1vw,42px);line-height:1.35;margin:0 0 22px;letter-spacing:.02em}
.brand{font-size:clamp(22px,2vw,25px);line-height:1.4;letter-spacing:.045em;font-weight:600;margin:0 0 34px;color:#d5b48f;background:linear-gradient(165deg,#f7e4bc 0%,#d1aa75 30%,#fff0c8 47%,#b48652 72%,#e7c99b 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 1px 1px rgba(0,0,0,.45))}

/* Wide sections */
.wide{width:min(1160px,calc(100% - 48px));margin:0 auto}
.band{padding:80px 0;border-top:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none}
.card{background:var(--card);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:28px 26px 30px;backdrop-filter:blur(2px)}
.card .num{display:block;color:var(--gold);font-size:13px;letter-spacing:.17em;font-weight:700;margin-bottom:14px}
.card h3{font-size:19px;line-height:1.45;margin:0 0 12px}
.card p{color:var(--muted);font-size:15px;line-height:1.9;margin:0}
.card ul{margin:14px 0 0;padding:0;list-style:none;color:#d8d3cf;font-size:14px;line-height:1.9}
.card li:before{content:'— ';color:var(--gold)}
.cta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta h2{font-size:24px;line-height:1.5;margin:0 0 6px}
.cta p{color:var(--muted);margin:0}

/* Inner pages */
.content{width:min(560px,calc(100% - 42px));margin:0 auto;padding:75px 0 50px}
.content h1{font-size:38px;line-height:1.45;margin:0 0 30px}
.about-cards{padding:10px 0 30px}

/* About photos */
.photo-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:50px auto 0}
.photo-gallery figure{margin:0}
.photo-gallery img{display:block;width:100%;height:230px;object-fit:cover;object-position:center;border-radius:4px}
.photo-gallery figcaption{color:#9f9ca4;font-size:13px;margin-top:10px}

/* Contact */
.contact-content{padding-bottom:70px}
.contact-content h1{margin-bottom:24px}
.contact-content .intro{font-size:15px;margin-bottom:36px}
.field{margin:0 0 18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.field label{display:block;font-size:13px;letter-spacing:.06em;margin-bottom:8px;color:#ded8d5;font-weight:700}
.field label .req{color:var(--gold);margin-left:3px}
.field label .opt{color:#8f8c95;font-weight:400;margin-left:6px;letter-spacing:0}
.field input,.field textarea{width:100%;border:1px solid #49464d;border-radius:11px;background:rgba(25,24,29,.45);color:#fff;padding:10px 14px;font:inherit;min-height:43px}
.field input:focus,.field textarea:focus{border-color:#8c7a6b}
.field textarea{min-height:140px;resize:vertical}
.form-hint{color:#8f8c95;font-size:13px;margin:-6px 0 14px}
.form-note{font-size:14px;color:#f0c0b0;min-height:1.6em;margin:8px 0}
.turnstile:empty{display:none}
.turnstile{margin:6px 0 10px}

/* Success / 404 */
.success-wrap{display:flex;align-items:center;min-height:calc(100vh - 164px)}
.success-content{width:min(800px,calc(100% - 48px));margin:0 auto;padding:72px 0}
.success-content h1{font-size:clamp(36px,5vw,54px);margin:32px 0 40px}
.success-content p:not(.eyebrow){color:var(--muted);font-size:19px;line-height:1.85;margin:0 0 48px}

@media(max-width:860px){
  .cards{grid-template-columns:1fr}
  .photo-gallery{display:flex;overflow-x:auto;gap:12px;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;padding-bottom:8px}
  .photo-gallery figure{flex:0 0 min(78vw,340px);scroll-snap-align:start}
  .photo-gallery img{height:210px}
}
@media(max-width:700px){
  body{background-attachment:scroll;background-position:39% top}
  .site-header{height:76px}
  .nav{gap:30px;font-size:12px}
  .home-hero{min-height:calc(100svh - 76px)}
  .home-inner{margin:0 auto;padding:60px 0 75px}
  .brand{font-size:22px;margin-bottom:27px}
  .wide{width:calc(100% - 42px)}
  .band{padding:56px 0}
  .content{padding:55px 0 40px}
  .content h1{font-size:31px}
  .field-row{grid-template-columns:1fr}
  .success-content p:not(.eyebrow){font-size:16px}
  .site-footer{font-size:11px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.contact-info{list-style:none;margin:0 0 40px;padding:20px 22px;border:1px solid rgba(255,255,255,.09);border-radius:14px;background:var(--card);display:grid;gap:6px;font-size:15px}
.contact-info span{display:inline-block;min-width:4.5em;color:var(--gold);font-weight:700}
.contact-info a:hover{color:#e1c3aa}

/* ===== Motion ===== */
/* 导航当前页的金色下划线（页面切换时会平滑滑动到新位置） */
.nav a{position:relative}
.nav a[aria-current=page]::after{content:'';position:absolute;left:0;right:.2em;bottom:-3px;height:2px;border-radius:2px;background:linear-gradient(90deg,#d1aa75,#f1d3b8);view-transition-name:nav-indicator}

/* 跨页面过渡：导航固定，内容淡出 → 淡入上浮（不支持的浏览器自动退化为普通跳转） */
@view-transition{navigation:auto}
.site-header{view-transition-name:header}
main{view-transition-name:content}
::view-transition-group(content){animation:none}
::view-transition-old(content){animation:vt-out .18s cubic-bezier(.4,0,1,1) both}
::view-transition-new(content){animation:vt-in .34s cubic-bezier(.2,.7,.2,1) .06s both}
::view-transition-group(nav-indicator){animation-duration:.38s;animation-timing-function:cubic-bezier(.2,.7,.2,1)}
::view-transition-old(root),::view-transition-new(root){animation-duration:.25s}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(12px)}}

/* 首页首屏逐行浮现（每个浏览器会话只播放一次） */
.home-inner>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
.home-inner>:nth-child(2){animation-delay:.08s}
.home-inner>:nth-child(3){animation-delay:.16s}
.home-inner>:nth-child(4){animation-delay:.24s}
.no-intro .home-inner>*{animation:none}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}

@media(prefers-reduced-motion:reduce){
  .home-inner>*{animation:none}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}
}