/* =========================================================
   HYC 健康体检中心 — Modern Corporate Blue
   navy / azure / white · spacious enterprise
   ========================================================= */

:root{
  --navy:#0B2545;
  --navy-800:#081B36;
  --navy-700:#0F2C54;
  --blue:#1763D6;          /* primary / CTA */
  --blue-600:#155BC4;
  --blue-bright:#2D8CFF;   /* accent highlight */
  --cyan:#18B6C9;          /* secondary accent */
  --ink:#0E1B2A;
  --slate:#566476;
  --slate-300:#8A97A6;
  --bg:#FFFFFF;
  --bg-alt:#F2F7FD;        /* light blue-gray section */
  --sky:#E7F1FF;           /* tint chips */
  --line:#E3EAF3;
  --line-soft:#EEF3F9;

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;

  --wrap:1200px;
  --r:16px;
  --r-lg:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 2px 8px rgba(11,37,69,.06);
  --shadow:0 18px 44px -22px rgba(11,37,69,.32);
  --shadow-lg:0 40px 80px -40px rgba(11,37,69,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
em{font-style:normal;color:var(--blue-bright)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---------- shared ---------- */
.eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);font-weight:700;margin-bottom:16px;
  padding:5px 14px;background:var(--sky);border-radius:999px;
}
.eyebrow.light{background:rgba(255,255,255,.14);color:#cfe3ff}

.sec-title{
  font-size:clamp(1.85rem,3.6vw,2.85rem);line-height:1.14;font-weight:800;
  letter-spacing:-.01em;color:var(--navy);
}
.sec-sub{margin-top:16px;max-width:52ch;color:var(--slate);font-size:1.03rem}

.section{padding:clamp(74px,9vw,124px) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.sec-head{margin-bottom:56px;max-width:760px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}
.sec-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:600;font-size:.95rem;border-radius:11px;cursor:pointer;
  padding:.74em 1.5em;border:1.5px solid transparent;transition:.28s var(--ease);white-space:nowrap;
}
.btn-solid{background:var(--blue);color:#fff;box-shadow:0 10px 24px -12px var(--blue)}
.btn-solid:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 16px 30px -12px var(--blue)}
.btn-outline{border-color:var(--line);color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);background:var(--sky)}
.btn-ghost{color:var(--blue);padding-left:0;padding-right:0}
.btn-ghost:hover{color:var(--navy)}
.btn-lg{padding:.92em 1.85em;font-size:1.02rem}
.btn-block{width:100%}
.arrow{transition:transform .28s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.85);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-cn{font-weight:800;font-size:1.14rem;letter-spacing:.01em;color:var(--navy)}
.brand-en{font-size:.53rem;letter-spacing:.22em;color:var(--slate-300);font-weight:600}
.nav{display:flex;gap:32px;margin-left:auto;font-size:.96rem;font-weight:500}
.nav a{position:relative;color:var(--slate);transition:color .25s;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:width .3s var(--ease)}
.nav a:hover{color:var(--navy)}
.nav a:hover::after{width:100%}
.header-cta{flex:none}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;background:var(--navy);color:#fff;padding:clamp(56px,7vw,96px) 0 0;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(620px 420px at 78% 8%, rgba(45,140,255,.34), transparent 60%),
    radial-gradient(560px 420px at 10% 90%, rgba(24,182,201,.20), transparent 60%),
    linear-gradient(180deg,var(--navy) 0%,var(--navy-800) 100%);
}
.hero-bg::after{content:"";position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(80% 60% at 50% 30%,#000,transparent)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center}

.pill{display:inline-flex;align-items:center;gap:9px;font-size:.84rem;font-weight:500;
  color:#cfe3ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:7px 15px;border-radius:999px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 0 4px rgba(45,140,255,.28)}
.hero-title{font-size:clamp(2.7rem,6vw,4.6rem);line-height:1.02;font-weight:800;letter-spacing:-.025em;margin:20px 0 22px}
.hero-title span{display:block}
.hero-lede{max-width:46ch;font-size:1.14rem;color:rgba(255,255,255,.82)}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.hero .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:30px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:.92rem;color:rgba(255,255,255,.8)}
.hero-trust svg{width:18px;height:18px;color:var(--cyan);flex:none}

/* hero visual: dashboard */
.hero-visual{position:relative;display:flex;justify-content:center}
.dash{width:100%;max-width:400px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);
  overflow:hidden;color:var(--ink)}
.dash-top{display:flex;align-items:center;gap:7px;padding:15px 20px;border-bottom:1px solid var(--line);background:var(--bg-alt)}
.dash-dot{width:10px;height:10px;border-radius:50%;background:#d4deea}
.dash-dot:nth-child(1){background:#ff6b6b}.dash-dot:nth-child(2){background:#ffc14d}.dash-dot:nth-child(3){background:#3fcf8e}
.dash-title{margin-left:8px;font-size:.86rem;font-weight:700;color:var(--navy)}
.dash-body{padding:26px 24px;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
.dash-score{position:relative;width:120px;height:120px;flex:none}
.dash-ring{stroke-dasharray:302;stroke-dashoffset:302;animation:ring 1.6s var(--ease) .5s forwards}
@keyframes ring{to{stroke-dashoffset:54}}
.dash-score-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dash-score-num b{font-size:2rem;font-weight:800;color:var(--navy);line-height:1}
.dash-score-num small{font-size:.7rem;color:var(--slate);margin-top:2px}
.dash-metrics{display:grid;gap:13px}
.metric{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;font-size:.82rem}
.metric span{color:var(--slate);font-weight:600}
.metric b{color:var(--navy);font-weight:700;font-size:.78rem}
.metric .bar{height:7px;border-radius:4px;background:var(--line);position:relative;overflow:hidden}
.metric .bar::after{content:"";position:absolute;inset:0;width:var(--w);border-radius:4px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transform-origin:left;animation:barw 1.1s var(--ease) .7s both}
@keyframes barw{from{transform:scaleX(0)}to{transform:scaleX(1)}}

.float-card{position:absolute;z-index:2;display:flex;align-items:center;gap:11px;background:#fff;
  border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);color:var(--ink)}
.float-card svg{width:26px;height:26px;color:var(--blue);flex:none}
.float-card b{display:block;font-size:1.05rem;font-weight:800;color:var(--navy);line-height:1.1}
.float-card span{font-size:.74rem;color:var(--slate)}
.fc-1{top:14px;left:-10px;animation:bob 5s ease-in-out infinite}
.fc-2{bottom:24px;right:-14px;animation:bob 5s ease-in-out infinite .7s}
@keyframes bob{50%{transform:translateY(-10px)}}

/* stats */
.hero-stats{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:clamp(48px,6vw,76px);padding:30px 0;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats dt{font-size:2.5rem;font-weight:800;color:#fff;line-height:1;letter-spacing:-.02em}
.hero-stats dd{font-size:.86rem;color:rgba(255,255,255,.66);margin-top:8px}

/* =========================================================
   PACKAGES
   ========================================================= */
.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pkg-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 26px;display:flex;flex-direction:column;transition:.32s var(--ease);overflow:hidden}
.pkg-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:transparent;transition:.3s}
.pkg-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.pkg-card:hover::before{background:linear-gradient(90deg,var(--blue),var(--cyan))}
.pkg-card.featured{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:var(--shadow)}
.pkg-card.featured::before{background:linear-gradient(90deg,var(--blue-bright),var(--cyan))}
.pkg-card.featured h3{color:#fff}
.pkg-card.featured .pkg-desc{color:rgba(255,255,255,.74)}
.pkg-card.featured .pkg-price{color:#fff}
.pkg-card.featured .pkg-list li{color:rgba(255,255,255,.88);border-color:rgba(255,255,255,.14)}
.pkg-card.featured .pkg-list li::before{background:var(--cyan)}
.pkg-ribbon{position:absolute;top:16px;right:-34px;transform:rotate(45deg);background:var(--blue-bright);
  color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.06em;padding:5px 40px}
.pkg-tag{align-self:flex-start;font-size:.72rem;letter-spacing:.1em;font-weight:700;color:var(--blue);
  background:var(--sky);padding:4px 11px;border-radius:6px;margin-bottom:16px}
.featured .pkg-tag{background:rgba(255,255,255,.16);color:#fff}
.pkg-card h3{font-size:1.42rem;font-weight:800;color:var(--navy);margin-bottom:8px}
.pkg-desc{font-size:.9rem;color:var(--slate);min-height:3.4em}
.pkg-price{font-size:2.3rem;font-weight:800;color:var(--navy);line-height:1;margin:18px 0 4px;letter-spacing:-.02em}
.pkg-price i{font-size:1.05rem;font-style:normal;vertical-align:.6em;margin-right:1px;font-weight:700}
.pkg-price small{font-size:.78rem;color:var(--slate);font-weight:500;margin-left:3px}
.pkg-price .price-text{font-size:1.6rem}
.pkg-list{list-style:none;margin:18px 0 24px;flex:1}
.pkg-list li{font-size:.9rem;padding:9px 0 9px 22px;position:relative;border-bottom:1px solid var(--line-soft);color:var(--slate)}
.pkg-list li::before{content:"";position:absolute;left:0;top:15px;width:7px;height:7px;border-radius:2px;background:var(--blue);transform:rotate(45deg)}

/* =========================================================
   PROCESS
   ========================================================= */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;top:30px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px)}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;z-index:1}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;
  background:var(--navy);color:#fff;font-size:1.2rem;font-weight:800;margin-bottom:18px;
  box-shadow:0 10px 22px -12px var(--navy)}
.steps li:nth-child(2) .step-no{background:var(--blue)}
.steps li:nth-child(3) .step-no{background:var(--blue-bright)}
.steps li:nth-child(4) .step-no{background:var(--cyan)}
.steps h3{font-size:1.2rem;font-weight:700;color:var(--navy);margin-bottom:8px}
.steps p{font-size:.92rem;color:var(--slate)}

/* =========================================================
   WHY
   ========================================================= */
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
.why-head{margin-bottom:0;position:sticky;top:104px}
.why-head .btn{margin-top:26px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature{display:flex;flex-direction:column;gap:14px;padding:28px;border-radius:var(--r);
  background:var(--bg-alt);border:1px solid var(--line-soft);transition:.3s var(--ease)}
.feature:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px)}
.f-ico{width:50px;height:50px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:13px;background:#fff;color:var(--blue);box-shadow:var(--shadow-sm)}
.feature:hover .f-ico{background:var(--blue);color:#fff}
.f-ico svg{width:26px;height:26px}
.feature h3{font-size:1.16rem;font-weight:700;color:var(--navy)}
.feature p{font-size:.93rem;color:var(--slate)}

/* =========================================================
   JOURNAL
   ========================================================= */
.journal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:.32s var(--ease);display:flex;flex-direction:column}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-thumb{height:158px;position:relative;display:flex;align-items:flex-end;padding:16px}
.thumb-a{background:linear-gradient(135deg,#1763D6,#2D8CFF)}
.thumb-b{background:linear-gradient(135deg,#0B2545,#1763D6)}
.thumb-c{background:linear-gradient(135deg,#18B6C9,#2D8CFF)}
.post-thumb::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.35) 1px,transparent 0);background-size:18px 18px}
.post-thumb span{position:relative;z-index:1;font-size:.74rem;font-weight:700;letter-spacing:.08em;color:#fff;
  background:rgba(0,0,0,.2);padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.post-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:11px;flex:1}
.post h3{font-size:1.2rem;font-weight:700;color:var(--navy);line-height:1.34}
.post p{font-size:.93rem;color:var(--slate);flex:1}
.post-meta{font-size:.84rem;color:var(--blue);font-weight:600}

/* =========================================================
   BOOKING
   ========================================================= */
.booking-card{display:grid;grid-template-columns:1fr 1.05fr;gap:0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);border:1px solid var(--line)}
.booking-copy{background:var(--navy);color:#fff;padding:clamp(36px,4vw,56px);position:relative;overflow:hidden}
.booking-copy::before{content:"";position:absolute;inset:0;
  background:radial-gradient(420px 300px at 120% 0,rgba(45,140,255,.4),transparent 60%)}
.booking-copy>*{position:relative;z-index:1}
.booking-copy .sec-title{color:#fff}
.booking-copy .sec-sub{color:rgba(255,255,255,.78)}
.booking-points{list-style:none;margin-top:30px;display:grid;gap:16px}
.booking-points li{font-size:.96rem;color:rgba(255,255,255,.86);display:flex;gap:10px}
.booking-points li span{color:var(--cyan);font-weight:700;min-width:42px}
.booking-form{background:#fff;padding:clamp(32px,3.5vw,48px);display:grid;grid-template-columns:1fr 1fr;gap:18px;align-content:start}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1/-1}
.field label{font-size:.84rem;font-weight:600;color:var(--navy)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--bg-alt);
  border:1.5px solid var(--line);border-radius:11px;padding:.78em .9em;transition:.22s;resize:vertical;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(23,99,214,.14)}
.booking-form .btn-block{grid-column:1/-1;margin-top:4px}
.form-note{grid-column:1/-1;font-size:.78rem;color:var(--slate-300);margin-top:-2px}
.form-success{grid-column:1/-1;font-size:.95rem;font-weight:600;color:var(--blue);
  background:var(--sky);border:1px solid #bcd8ff;border-radius:11px;padding:.8em 1em}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--navy-800);color:rgba(255,255,255,.72);padding:66px 0 30px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:42px;
  border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-cn{color:#fff}
.footer-brand p{margin-top:16px;font-size:.92rem;max-width:34ch}
.footer-col h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;padding:5px 0;font-size:.94rem;transition:color .25s}
.footer-col a:hover{color:var(--blue-bright)}
.footer-col p{font-size:.94rem;line-height:1.85}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:24px;font-size:.8rem;flex-wrap:wrap}
.footer-icp{color:rgba(255,255,255,.46)}

/* =========================================================
   ANIMATION
   ========================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
[data-d="1"]{transition-delay:.08s}[data-d="2"]{transition-delay:.16s}
[data-d="3"]{transition-delay:.26s}[data-d="4"]{transition-delay:.36s}[data-d="5"]{transition-delay:.46s}
.sec-head,.pkg-card,.feature,.post,.steps li,.booking-form{opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.in-view{opacity:1!important;transform:none!important}
.pkg-grid .pkg-card:nth-child(2){transition-delay:.07s}
.pkg-grid .pkg-card:nth-child(3){transition-delay:.14s}
.pkg-grid .pkg-card:nth-child(4){transition-delay:.21s}
.steps li:nth-child(2){transition-delay:.08s}.steps li:nth-child(3){transition-delay:.16s}.steps li:nth-child(4){transition-delay:.24s}
.journal-grid .post:nth-child(2){transition-delay:.08s}.journal-grid .post:nth-child(3){transition-delay:.16s}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.sec-head,.pkg-card,.feature,.post,.steps li,.booking-form{opacity:1;transform:none}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;max-width:420px;margin:0 auto}
  .pkg-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}.steps::before{display:none}
  .why-grid{grid-template-columns:1fr;gap:36px}.why-head{position:static}
  .feature-list{grid-template-columns:1fr 1fr}
  .journal-grid{grid-template-columns:1fr}
  .booking-card{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav,.header-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .nav.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;
    background:#fff;padding:18px 28px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .pkg-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .journal-grid{grid-template-columns:1fr}
  .booking-form{grid-template-columns:1fr}
  .sec-head.row{flex-direction:column;align-items:flex-start}
  .footer-inner{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .fc-1{left:0}.fc-2{right:0}
}