/* 富爱俱乐部 · 杭州 · style.css */
/* 设计风格：西湖禅意·数字江南 | 字体变体 B (Noto Serif SC 400 重衬线暖奢) */
/* Trust Strip B (亮色横排大数字) | Footer B (宽logo+三列) | 圆角 8px */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400&family=EB+Garamond:ital@1&display=swap');

/* ─── Tokens ─── */
:root {
  --green: #3d6b52;
  --green-light: #5a8a6e;
  --gold: #9a8050;
  --gold-light: #b09860;
  --bg: #f4f7f4;
  --bg-alt: #eaf0ea;
  --bg-dark: #141e18;
  --ink: #141e18;
  --ink-light: #2a3a2e;
  --ink-muted: #6a8070;
  --ink-faint: #a8c0b0;
  --on-dark: rgba(236,244,238,0.96);
  --on-dark-muted: rgba(180,210,190,0.75);
  --on-dark-faint: rgba(130,165,140,0.5);
  --border: #d0dcd2;
  --border-dark: #1e2e22;
  --font-serif: 'Noto Serif SC', 'STSong', Georgia, serif;
  --font-num: 'EB Garamond', Georgia, serif;
  --radius: 8px;
  --radius-sm: 4px;
}

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-serif);font-weight:400;font-size:16px;line-height:1.95;letter-spacing:0.04em;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

/* ─── Typography ─── */
.t-label{font-size:14px;font-weight:300;letter-spacing:0.28em;text-transform:uppercase;color:var(--green)}
.t-hero{font-family:var(--font-serif);font-size:clamp(2.25rem,5.5vw,4.5rem);font-weight:300;line-height:1.25;letter-spacing:0.04em}
.t-h2{font-family:var(--font-serif);font-size:clamp(1.625rem,3vw,2.5rem);font-weight:300;line-height:1.4;letter-spacing:0.04em}
.t-h3{font-size:18px;font-weight:400;line-height:1.5;letter-spacing:0.04em}
.t-body{font-size:16px;font-weight:400;line-height:1.95;letter-spacing:0.04em}
.t-small{font-size:14px;font-weight:300;line-height:1.85;letter-spacing:0.04em}
.t-num{font-family:var(--font-num);font-style:italic;color:var(--green)}

/* ─── Layout ─── */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}

/* ─── Reveal ─── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ─── Navbar ─── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;transition:background 0.3s,border-bottom 0.3s}
.navbar.scrolled{background:rgba(244,247,244,0.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.nav-logo{font-family:var(--font-serif);font-size:16px;font-weight:400;letter-spacing:0.08em;color:var(--ink)}
.nav-logo span{color:var(--green)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:14px;font-weight:300;letter-spacing:0.06em;color:var(--ink-light);transition:color 0.2s}
.nav-links a:hover{color:var(--green)}
.nav-cta{display:inline-flex;align-items:center;height:44px;padding:0 24px;background:var(--green);color:#fff !important;font-size:14px;font-weight:300;letter-spacing:0.12em;border-radius:var(--radius);transition:background 0.2s}
.nav-cta:hover{background:var(--green-light)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.nav-toggle span{display:block;width:22px;height:1px;background:var(--ink);transition:all 0.3s}
.nav-mobile{display:none}

/* ─── Hero ─── */
/* 右文左图分屏 — 左侧大图（西湖留白），右侧文字内容 */
.hero-section{padding-top:80px;min-height:100dvh;display:grid;grid-template-columns:0.9fr 1.1fr;overflow:hidden}
.hero-visual{position:relative;min-height:100dvh;background:var(--bg-alt);overflow:hidden}
/* Ink wash texture overlay */
.hero-visual::before{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(61,107,82,0.08) 0%,rgba(154,128,80,0.06) 50%,transparent 100%);z-index:1}
/* 杭 watermark */
.hero-visual::after{content:'杭';font-family:var(--font-serif);font-size:clamp(20rem,38vw,36rem);font-weight:300;color:rgba(61,107,82,0.05);position:absolute;bottom:-60px;left:-40px;z-index:2;line-height:1;letter-spacing:0}
.hero-visual-photo{position:absolute;inset:0;z-index:0}
.hero-visual-photo img{width:100%;height:100%;object-fit:cover;object-position:center}
/* Brush stroke divider */
.hero-divider{position:absolute;right:-2px;top:0;bottom:0;width:4px;background:linear-gradient(to bottom,transparent 0%,var(--green) 30%,var(--green) 70%,transparent 100%);opacity:0.3;z-index:5}

.hero-content{display:flex;flex-direction:column;justify-content:center;padding:80px 64px}
.hero-eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:32px}
.hero-brush-line{width:24px;height:1px;background:var(--green);opacity:0.6}
.hero-title{margin-bottom:24px}
.hero-title em{color:var(--green);font-style:normal}
.hero-body{color:var(--ink-light);max-width:40ch;margin-bottom:40px}
.hero-cta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:40px}
.btn-primary{display:inline-flex;align-items:center;height:48px;padding:0 32px;background:var(--green);color:#fff;font-size:14px;font-weight:300;letter-spacing:0.12em;border-radius:var(--radius);transition:background 0.2s;white-space:nowrap}
.btn-primary:hover{background:var(--green-light)}
.btn-ghost{display:inline-flex;align-items:center;height:48px;padding:0 24px;border:1px solid var(--border);color:var(--ink-light);font-size:14px;font-weight:300;letter-spacing:0.06em;border-radius:var(--radius);transition:border-color 0.2s,color 0.2s}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.hero-stat-row{display:flex;gap:40px;padding-top:40px;border-top:1px solid var(--border)}
.hero-stat-item{}
.hero-stat-num{font-family:var(--font-num);font-style:italic;font-size:clamp(1.5rem,2.5vw,2rem);color:var(--green);line-height:1;margin-bottom:4px}
.hero-stat-label{font-size:14px;color:var(--ink-muted)}

/* ─── Trust Strip B — 亮色横排大数字 ─── */
.trust-strip{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:64px 0}
.trust-row{display:flex;align-items:center;gap:0}
.trust-item{flex:1;display:flex;align-items:center;gap:20px;padding:0 40px;border-right:1px solid var(--border)}
.trust-item:first-child{padding-left:0}
.trust-item:last-child{border-right:none}
.trust-big-num{font-family:var(--font-num);font-style:italic;font-size:clamp(2.5rem,4vw,3.5rem);color:var(--green);line-height:1;flex-shrink:0}
.trust-text{}
.trust-label{font-size:16px;font-weight:400;color:var(--ink);margin-bottom:4px}
.trust-sub{font-size:14px;color:var(--ink-muted)}

/* ─── About ─── */
/* 居中引言 + 下方横排特点列表 */
.about-section{}
.about-quote{text-align:center;max-width:600px;margin:0 auto 64px}
.about-quote-mark{font-family:var(--font-num);font-style:italic;font-size:4rem;color:var(--green);opacity:0.25;line-height:0.6;margin-bottom:16px;display:block}
.about-quote-text{font-family:var(--font-serif);font-size:clamp(1.125rem,2vw,1.375rem);font-weight:300;color:var(--ink-light);line-height:1.8;letter-spacing:0.06em}
.about-quote-sub{margin-top:16px;font-size:14px;color:var(--ink-muted)}
.about-body-text{max-width:64ch;margin:0 auto 48px;text-align:center}
.about-body-text p{color:var(--ink-light);margin-bottom:16px}
.about-features-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.about-feature-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center}
.about-feature-card:hover{border-color:var(--green)}
.about-feature-num{font-family:var(--font-num);font-style:italic;font-size:1.75rem;color:var(--green);line-height:1;margin-bottom:12px}
.about-feature-title{font-size:16px;font-weight:400;margin-bottom:8px}
.about-feature-desc{font-size:14px;color:var(--ink-muted)}
.about-cta-center{text-align:center;margin-top:48px}

/* ─── Services ─── */
/* 左侧目录 + 右侧内容联动（用 CSS :target 模拟） */
.services-section{background:var(--bg-alt)}
.services-header{margin-bottom:48px}
.services-layout{display:grid;grid-template-columns:240px 1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.services-menu{background:var(--bg);border-right:1px solid var(--border)}
.service-menu-item{padding:24px 32px;border-bottom:1px solid var(--border);cursor:default;transition:background 0.2s}
.service-menu-item:last-child{border-bottom:none}
.service-menu-item.active,.service-menu-item:hover{background:var(--bg-alt)}
.service-menu-num{font-family:var(--font-num);font-style:italic;font-size:14px;color:var(--green);margin-bottom:4px}
.service-menu-title{font-size:14px;font-weight:400;color:var(--ink)}
.services-content{padding:40px}
.service-panel{display:none}
.service-panel.active{display:block}
.service-panel-title{font-family:var(--font-serif);font-size:clamp(1.25rem,2vw,1.75rem);font-weight:300;margin-bottom:16px}
.service-panel-desc{font-size:16px;color:var(--ink-muted);max-width:48ch;line-height:1.85;margin-bottom:24px}
.service-panel-list{display:flex;flex-direction:column;gap:8px}
.service-panel-list li{font-size:14px;color:var(--ink-muted);padding-left:16px;position:relative}
.service-panel-list li::before{content:'—';position:absolute;left:0;color:var(--green)}
.service-vip{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;background:var(--bg-dark);color:var(--on-dark);padding:40px 48px;border-radius:var(--radius);margin-top:16px}
.service-vip-text .t-label{color:var(--green-light)}
.service-vip-title{font-family:var(--font-serif);font-size:clamp(1.25rem,2vw,1.625rem);font-weight:300;color:var(--on-dark);margin:12px 0}
.service-vip-desc{font-size:14px;color:var(--on-dark-muted);max-width:48ch}
.service-vip-cta{display:inline-flex;align-items:center;height:48px;padding:0 32px;background:var(--green);color:#fff;font-size:14px;letter-spacing:0.12em;border-radius:var(--radius);white-space:nowrap;transition:background 0.2s}
.service-vip-cta:hover{background:var(--green-light)}

/* ─── Profiles ─── */
/* 不对称 Bento grid */
.profiles-section{}
.profiles-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:48px}
.profiles-bento{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:280px 200px;gap:16px}
.profile-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;position:relative}
.profile-card-wide{grid-column:span 2}
.profile-card-tall{grid-row:span 2}
.profile-img-wrap{position:absolute;inset:0;overflow:hidden}
.profile-img-wrap img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform 0.5s ease}
.profile-card:hover .profile-img-wrap img{transform:scale(1.04)}
.profile-body{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(20,30,24,0.88) 0%,transparent 100%);padding:24px;color:var(--on-dark)}
.profile-name{font-size:16px;font-weight:400;margin-bottom:2px}
.profile-sub{font-size:14px;color:var(--on-dark-muted)}
.profile-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.profile-tag{font-size:14px;color:var(--on-dark-faint);border:1px solid rgba(180,210,190,0.25);padding:2px 8px;border-radius:var(--radius-sm)}
.profiles-cta-bar{display:flex;justify-content:space-between;align-items:center;padding:24px 40px;background:var(--bg-alt);border:1px solid var(--border);margin-top:16px;border-radius:var(--radius)}
.profiles-cta-bar p{font-size:14px;color:var(--ink-muted)}
.profiles-cta-bar p strong{color:var(--ink)}

/* ─── Register CTA ─── */
.cta-section{background:var(--bg-dark);text-align:center;padding:96px 0;position:relative;overflow:hidden}
.cta-section::before{content:'西溪';font-family:var(--font-serif);font-size:clamp(8rem,16vw,14rem);font-weight:300;color:rgba(61,107,82,0.04);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);white-space:nowrap;pointer-events:none}
.cta-section .t-label{color:var(--green-light);margin-bottom:16px;position:relative}
.cta-title{font-family:var(--font-serif);font-size:clamp(1.75rem,3.5vw,3rem);font-weight:300;color:var(--on-dark);margin-bottom:24px;position:relative}
.cta-body{font-size:16px;color:var(--on-dark-muted);max-width:44ch;margin:0 auto 40px;position:relative}
.cta-group{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative}
.btn-cta{display:inline-flex;align-items:center;height:52px;padding:0 40px;background:var(--green);color:#fff;font-size:14px;font-weight:300;letter-spacing:0.12em;border-radius:var(--radius);transition:background 0.2s}
.btn-cta:hover{background:var(--green-light)}
.btn-cta-outline{display:inline-flex;align-items:center;height:52px;padding:0 32px;border:1px solid rgba(130,180,150,0.3);color:var(--on-dark-muted);font-size:14px;letter-spacing:0.06em;border-radius:var(--radius);transition:border-color 0.2s}
.btn-cta-outline:hover{border-color:var(--green-light);color:var(--green-light)}

/* ─── Blog ─── */
/* 主推大卡+两小卡 */
.blog-section{}
.blog-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:48px}
.blog-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:16px}
.blog-featured{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-alt)}
.blog-featured-body{padding:40px}
.blog-featured-tag{font-size:14px;color:var(--green);letter-spacing:0.12em;margin-bottom:16px}
.blog-featured-title{font-family:var(--font-serif);font-size:clamp(1.125rem,2vw,1.5rem);font-weight:300;line-height:1.5;margin-bottom:16px}
.blog-featured-meta{font-size:14px;color:var(--ink-muted);display:flex;justify-content:space-between}
.blog-small-cards{display:flex;flex-direction:column;gap:16px}
.blog-card{border:1px solid var(--border);border-radius:var(--radius);padding:32px;background:var(--bg-alt);display:flex;flex-direction:column;flex:1;transition:border-color 0.2s}
.blog-card:hover{border-color:var(--green)}
.blog-card-tag{font-size:14px;color:var(--green);letter-spacing:0.12em;margin-bottom:12px}
.blog-card-title{font-size:16px;font-weight:400;line-height:1.5;flex:1}
.blog-card-meta{font-size:14px;color:var(--ink-muted);margin-top:16px;display:flex;justify-content:space-between}

/* ─── FAQ ─── */
.faq-section{background:var(--bg-alt)}
.faq-header{margin-bottom:48px}
.faq-list{display:flex;flex-direction:column;gap:1px;background:var(--border)}
.faq-item{background:var(--bg)}
details.faq-item summary{display:flex;justify-content:space-between;align-items:center;padding:24px 32px;cursor:pointer;list-style:none;font-size:16px;font-weight:400;color:var(--ink);transition:color 0.2s;gap:16px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:'+';font-family:var(--font-num);font-style:normal;font-size:20px;color:var(--green);flex-shrink:0;transition:transform 0.3s}
details.faq-item[open] summary{color:var(--green)}
details.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 32px 24px;color:var(--ink-muted);font-size:14px;line-height:1.85;max-width:64ch}

/* ─── Footer B — 宽logo+三列 ─── */
.footer{background:var(--bg-dark);padding:64px 0 40px}
.footer-grid-b{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--border-dark)}
.footer-brand-name{font-family:var(--font-serif);font-size:18px;font-weight:400;color:var(--on-dark);letter-spacing:0.06em;margin-bottom:16px}
.footer-brand-name span{color:var(--green-light)}
.footer-brand-desc{font-size:14px;color:var(--on-dark-muted);line-height:1.85;max-width:32ch;margin-bottom:24px}
.footer-brand-tagline{font-family:var(--font-num);font-style:italic;font-size:16px;color:var(--green-light);opacity:0.7}
.footer-col-title{font-size:14px;font-weight:400;color:var(--on-dark);letter-spacing:0.1em;margin-bottom:20px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--on-dark-muted);transition:color 0.2s}
.footer-links a:hover{color:var(--green-light)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:32px;flex-wrap:wrap;gap:8px}
.footer-copy{font-size:14px;color:var(--on-dark-faint)}
.footer-adult{font-size:14px;color:var(--on-dark-faint);text-align:center;width:100%}

/* ─── Mobile Nav ─── */
@media(max-width:767px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-mobile{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg);z-index:99;padding:80px 40px 40px;flex-direction:column;gap:0}
  .nav-mobile.open{display:flex}
  .nav-mobile a{font-size:18px;font-weight:300;letter-spacing:0.06em;color:var(--ink);padding:20px 0;border-bottom:1px solid var(--border)}
  .nav-mobile .nav-cta{margin-top:32px;width:100%;justify-content:center;border-radius:var(--radius)}
}

/* ─── Responsive ─── */
@media(max-width:1024px){
  .hero-section{grid-template-columns:1fr;min-height:auto}
  .hero-visual{display:none}
  .hero-content{padding:100px 20px 56px}
  .hero-stat-row{flex-wrap:wrap;gap:24px}
  .about-features-row{grid-template-columns:repeat(2,1fr)}
  .services-layout{grid-template-columns:1fr}
  .services-menu{display:grid;grid-template-columns:repeat(2,1fr);border-right:none;border-bottom:1px solid var(--border)}
  .profiles-bento{grid-template-columns:repeat(2,1fr);grid-template-rows:auto}
  .profile-card-wide,.profile-card-tall{grid-column:auto;grid-row:auto}
  .profile-img-wrap{position:relative;height:220px}
  .profile-body{position:relative;padding:16px;background:none;color:var(--ink)}
  .profile-name{color:var(--ink)}
  .profile-sub{color:var(--ink-muted)}
  .profile-tag{color:var(--ink-muted);border-color:var(--border)}
  .blog-layout{grid-template-columns:1fr}
  .footer-grid-b{grid-template-columns:1fr 1fr}
}

@media(max-width:767px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .t-hero{font-size:2rem}
  .t-h2{font-size:1.5rem}
  body{font-size:14px}
  /* Trust Strip — 2×2 grid */
  .trust-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .trust-item{border-right:none;border-bottom:none;padding:0;flex-direction:column;align-items:flex-start;gap:8px}
  .trust-big-num{font-size:2.25rem}
  /* Hero stats — 2 per row */
  .hero-stat-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:24px}
  .hero-stat-item{padding-top:0}
  /* About */
  .about-features-row{grid-template-columns:1fr}
  .about-body-text{text-align:left}
  /* Services tabs — full width panels, stacked */
  .services-menu{grid-template-columns:1fr}
  .services-content{padding:20px}
  .service-menu-item{padding:16px 20px}
  /* Profiles */
  .profiles-bento{grid-template-columns:1fr}
  .profiles-cta-bar{flex-direction:column;gap:16px;text-align:center;padding:24px}
  /* Blog */
  .blog-featured-body{padding:24px}
  .blog-small-cards{gap:16px}
  /* Footer */
  .footer-grid-b{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;gap:8px}
  /* CTA & Buttons */
  .cta-group{flex-direction:column;align-items:center}
  .btn-cta,.btn-cta-outline,.btn-primary,.btn-ghost{width:100%;justify-content:center}
  /* Headers */
  .profiles-header{flex-direction:column;align-items:flex-start;gap:16px}
  .blog-header{flex-direction:column;align-items:flex-start;gap:16px}
  .service-vip{grid-template-columns:1fr;gap:24px}
}