/* ═════════ 美地阳光房 · 暖阳版 ═════════ */
:root{
  --ink:#2b2419;
  --ink-soft:#4a4132;
  --accent:#ff8103;
  --accent-deep:#d96e00;
  --paper:#fbf7ec;
  --cream:#f4eddc;
  --sand:#e9dcc3;
  --sage:#dde8d2;
  --sky:#dbe9f2;
  --blossom:#f9e2cb;
  --line:#e0d3b8;
  --muted:#6e6250;
  --serif:'Noto Serif SC',serif;
  --sans:'Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --radius:18px;
  --shadow:0 20px 60px rgba(46,42,36,.08);
  --shadow-sm:0 8px 28px rgba(46,42,36,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.section{padding:110px 0}
.eyebrow{font-size:14px;letter-spacing:.3em;color:var(--accent-deep);font-weight:700;margin-bottom:18px}
.h2{font-family:var(--serif);font-size:clamp(38px,5vw,58px);font-weight:900;line-height:1.25;margin-bottom:16px}
.lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:10px}
.service-note{font-size:15px;color:var(--ink);font-weight:600;max-width:640px;margin:-2px 0 18px;padding:10px 18px;background:rgba(255,129,3,.08);border-left:3px solid var(--accent);border-radius:0 12px 12px 0}
.diy-note{font-size:15px;color:var(--muted);max-width:640px;margin:-8px 0 22px;padding:12px 18px;background:rgba(122,154,116,.08);border-left:3px solid var(--sage-deep,#7a9a74);border-radius:0 12px 12px 0;line-height:1.7}
.permit-note{font-size:14px;color:var(--muted);max-width:640px;margin:-10px 0 20px;padding:8px 18px}
.detail-note{font-size:15px;color:var(--ink);max-width:720px;margin:0 0 16px;line-height:1.8}
.lead .note{font-size:13px;background:rgba(0,0,0,.55);color:#fff;padding:3px 10px;border-radius:99px;margin-left:8px;vertical-align:middle}

/* ── 按钮 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 34px;border-radius:999px;font-weight:700;font-size:16px;border:0;cursor:pointer;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 30px rgba(255,129,3,.35)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.6);color:var(--ink);border:1.5px solid var(--line);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;border-color:var(--accent)}
.btn-lg{padding:16px 40px;font-size:17px}
.btn-sm{padding:10px 22px;font-size:14px}

/* ── 导航 ── */
.nav{position:fixed;top:18px;left:0;right:0;z-index:100;transition:.3s;background:transparent;padding:0 24px}
.nav.scrolled{background:transparent;box-shadow:none}
.nav-inner{max-width:1240px;margin:0 auto;padding:14px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-radius:999px;box-shadow:0 8px 32px rgba(43,36,25,.12);border:1px solid rgba(255,255,255,.8)}
.brand{display:flex;align-items:center;flex-shrink:0;gap:14px}
.brand-logo{height:42px;width:auto;display:block}
.brand-icon{height:52px;width:auto;display:block;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-cn-nav{font-size:20px;font-weight:800;letter-spacing:.14em;color:var(--ink);white-space:nowrap}
.brand-en-nav{font-size:13px;font-weight:700;letter-spacing:.3em;white-space:nowrap}
.brand-en-nav .en-b{color:var(--ink)}
.brand-en-nav .en-o{color:#ff8103}
.about-logo{height:72px;width:auto;display:block;margin:8px 0 20px}
.brand-cn{font-family:var(--serif);font-weight:900;font-size:20px;letter-spacing:.06em;white-space:nowrap}
.brand-en{font-size:10px;letter-spacing:.28em;color:var(--muted);font-weight:500;line-height:1.6;white-space:nowrap}
.nav .brand-cn{color:var(--ink);transition:.3s}
.nav .brand-en{color:var(--muted);transition:.3s}
.nav.scrolled .brand-cn{color:var(--ink)}
.nav.scrolled .brand-en{color:var(--muted)}
.nav-links{display:flex;gap:26px}
.nav-links a{font-size:16px;font-weight:600;color:var(--ink);opacity:.92;transition:.25s;white-space:nowrap}
.nav.scrolled .nav-links a{color:var(--ink)}
.nav-links a:hover{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-contact{display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}
.nav-phone{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.03em;white-space:nowrap}
.nav-phone:hover{color:var(--accent-deep)}
.nav-wechat{font-size:12.5px;color:var(--muted);letter-spacing:.03em;white-space:nowrap}
.lang-toggle{background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:13px;padding:8px 14px;border-radius:999px;cursor:pointer;transition:.25s;letter-spacing:.08em}
.nav.scrolled .lang-toggle{background:var(--cream);border-color:var(--line);color:var(--ink)}
.lang-toggle:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{width:24px;height:2px;background:var(--ink);transition:.3s}
.nav.scrolled .nav-burger span{background:var(--ink)}
.nav-mobile{display:none;flex-direction:column;gap:6px;padding:10px 28px 24px;background:#fff;box-shadow:0 20px 40px rgba(22,17,9,.12)}
.nav-mobile a{padding:12px 0;border-bottom:1px solid var(--line);font-weight:500}
.nav-mobile.open{display:flex}

/* ── Hero ── */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:var(--ink);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:heroZoom 18s ease-in-out infinite alternate;filter:brightness(1.06)}
@keyframes heroZoom{to{transform:scale(1.14)}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(251,247,236,.55) 0%,rgba(251,247,236,.22) 45%,rgba(251,247,236,.05) 100%)}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:140px 28px 80px;width:100%;display:flex;flex-direction:column;justify-content:flex-end;min-height:100svh}
.hero-kicker{font-size:15px;letter-spacing:.28em;color:var(--accent-deep);font-weight:700;margin-bottom:18px;text-shadow:0 1px 8px rgba(251,247,236,.9)}
.hero-badges{display:grid;grid-template-columns:repeat(2,max-content);gap:12px;justify-content:start}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;background:rgba(255,255,255,.75);color:var(--ink);border:1px solid var(--line);backdrop-filter:blur(6px);white-space:nowrap}
.badge-cta{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700;box-shadow:0 8px 24px rgba(255,129,3,.3)}
.badge-cta:hover{background:var(--accent-deep);color:#fff}
.badge-package{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}
.hero-action{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:24px;z-index:2;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}

/* ── 分类区 ── */
.cat{background:var(--paper)}
.cat-alt{background:var(--sage)}
.cat-alt2{background:var(--sky)}
.cat .eyebrow{color:var(--accent-deep)}
.cat-hero{border-radius:var(--radius);overflow:hidden;margin:44px 0 26px;box-shadow:var(--shadow);position:relative}
.cat-hero img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:.6s}
.cat-hero:hover img{transform:scale(1.03)}
.product-note{position:absolute;top:18px;right:18px;background:rgba(0,0,0,.6);color:#fff;font-size:12.5px;padding:6px 14px;border-radius:99px;backdrop-filter:blur(4px)}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.photo-grid figure{border-radius:14px;overflow:hidden;position:relative;cursor:zoom-in;box-shadow:var(--shadow-sm);transition:.3s;aspect-ratio:4/3}
.photo-grid figure:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.photo-grid img{width:100%;height:100%;object-fit:cover;transition:.5s}
.photo-grid figure:hover img{transform:scale(1.06)}
.photo-grid figcaption{position:absolute;inset:auto 0 0 0;padding:30px 16px 12px;background:linear-gradient(transparent,rgba(10,7,3,.55));color:#e8dcc8;font-size:14px;font-weight:600;text-align:center}
.cat-cta{text-align:center;margin-top:44px}

/* ── 预约 ── */
.booking{background:linear-gradient(135deg,var(--blossom) 0%,var(--cream) 60%,var(--sage) 100%);position:relative;overflow:hidden}
.booking::before{content:'';position:absolute;top:-120px;right:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(255,129,3,.14),transparent 70%)}
.booking-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;position:relative}
.booking .h2{color:var(--ink)}
.booking .lead{color:var(--muted)}
.phone-big{font-family:var(--serif);font-size:clamp(32px,4vw,46px);font-weight:900;color:var(--accent-deep);letter-spacing:.04em}
.wechat-big{font-size:20px;font-weight:700;color:var(--ink);margin-top:8px;letter-spacing:.04em}
.booking-contact p{color:var(--muted);font-size:14px;margin-top:12px;line-height:1.9}
.booking-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 36px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px}
.booking-form label{font-size:14px;font-weight:500;display:flex;flex-direction:column;gap:8px;color:var(--ink-soft)}
.booking-form input,.booking-form select,.booking-form textarea{background:var(--cream);border:1px solid var(--line);border-radius:10px;padding:14px 16px;color:var(--ink);font-size:15px;font-family:var(--sans);transition:.25s;width:100%}
.booking-form input::placeholder,.booking-form textarea::placeholder{color:#b3a88f}
.booking-form input:focus,.booking-form select:focus,.booking-form textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.booking-form select option{color:var(--ink)}
.form-note{font-size:13px;color:var(--muted);text-align:center}

/* ── 页脚 ── */
.footer{background:#3a342a;color:rgba(255,255,255,.75);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px}
.footer-brand .brand-cn{font-family:var(--serif);font-size:24px;font-weight:900;color:#fff}
.footer-brand .brand-en{font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.45);margin:6px 0 12px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;padding:6px 0;transition:.2s;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.9}
.footer-legal{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;text-align:center;font-size:12.5px;color:rgba(255,255,255,.4)}

/* ── 灯箱 ── */
.lightbox{position:fixed;inset:0;background:rgba(10,7,3,.92);z-index:200;display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:88vh;border-radius:12px;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.lightbox-close{position:absolute;top:24px;right:32px;background:none;border:0;color:#fff;font-size:48px;cursor:pointer;line-height:1;opacity:.8}
.lightbox-close:hover{opacity:1}

/* ── 动效 ── */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ── 响应式 ── */
@media(max-width:900px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .nav-right .btn{display:none}
  .section{padding:80px 0}
  .photo-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cat-hero img{aspect-ratio:16/10}
  .booking-grid{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:560px){
  .photo-grid{grid-template-columns:1fr 1fr;gap:10px}
  .hero-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}