/* ============================================================
   品特家庭日 · 新版官网
   ============================================================ */

:root{
  --brand:#1E8FBF;
  --brand-d:#16708F;
  --brand-l:#E8F5FA;
  --green:#7CB32B;
  --green-b:#A8D45F;
  --green-l:#F2F8E6;
  --teal:#12AEA3;
  --ink:#121A22;
  --ink-2:#2C3542;
  --muted:#6E7A8A;
  --line:#EAEDEF;
  --bg:#FFFFFF;
  --soft:#F5FAFC;
  --soft-2:#F1F6F9;
  --radius:18px;
  --shadow-s:0 2px 10px rgba(20,25,34,.05);
  --shadow:0 10px 30px rgba(20,25,34,.08);
  --shadow-l:0 24px 60px rgba(20,25,34,.13);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:74px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:min(1220px,100% - 48px);margin-inline:auto}
.wrap--narrow{width:min(880px,100% - 48px)}
.section{padding:clamp(64px,8vw,120px) 0;position:relative}
.section--soft{background:var(--soft)}
.section--dark{background:#0E1A24;color:#fff}

.h2{font-size:clamp(28px,3.6vw,46px);letter-spacing:-.02em}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.hl{color:var(--green)}
.hl-text{color:var(--brand)}
.nowrap{white-space:nowrap}

.shead{max-width:720px;margin-bottom:clamp(36px,5vw,60px)}
.shead--center{margin-inline:auto;text-align:center}
.shead--wide{max-width:1080px}
.shead__sub{margin-top:14px;color:var(--muted);font-size:16.5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;border-radius:999px;font-weight:700;font-size:15.5px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .25s,color .25s,border-color .25s;
  will-change:transform;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(30,143,191,.32)}
.btn--primary:hover{background:var(--brand-d);transform:translateY(-3px);box-shadow:0 16px 34px rgba(30,143,191,.4)}
.btn--ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;backdrop-filter:blur(6px)}
.btn--ghost:hover{background:#fff;color:var(--ink);transform:translateY(-3px)}
.btn--block{width:100%;margin-top:22px}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:100;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),height .35s var(--ease);
}
.nav__inner{
  width:min(1220px,100% - 48px);margin-inline:auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav.is-stuck{
  background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(16px);
  box-shadow:0 1px 0 rgba(20,25,34,.06),0 8px 30px rgba(20,25,34,.06);
  height:64px;--nav-h:64px;
}
.nav__progress{position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--brand),var(--green));transition:width .1s linear}

.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo__pill{
  display:block;background:#fff;border-radius:13px;padding:7px 14px;
  box-shadow:0 10px 26px rgba(4,18,30,.26),0 1px 0 rgba(255,255,255,.6) inset;
  transition:padding .35s var(--ease),box-shadow .35s var(--ease),border-radius .35s var(--ease);
}
.logo__pill img{height:29px;width:auto;display:block}
/* 吸顶后导航本身是白的，胶囊融入背景，只留 LOGO 本体 */
.nav.is-stuck .logo__pill{box-shadow:none;padding:2px 0;border-radius:0}
.logo__pill--ft{padding:10px 17px;border-radius:14px;box-shadow:none;align-self:flex-start;flex:0 0 auto}
.logo__pill--ft img{height:34px}

.nav__menu{display:flex;align-items:center;gap:4px}
.nav__link{
  position:relative;padding:9px 14px;font-size:15px;font-weight:600;color:#fff;
  border-radius:10px;transition:color .25s,background .25s;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.nav.is-stuck .nav__link{color:var(--ink-2)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--brand)}
.nav__phone{
  display:inline-flex;align-items:center;gap:7px;margin-left:10px;padding:9px 18px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 6px 16px rgba(30,143,191,.32);transition:transform .25s var(--ease),background .25s;
}
.nav__phone:hover{transform:translateY(-2px);background:var(--brand-d)}

.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;position:relative;background:rgba(255,255,255,.14)}
.nav__toggle span{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:#fff;
  transition:transform .3s var(--ease),opacity .2s,background .3s;
}
.nav.is-stuck .nav__toggle span{background:var(--ink)}
.nav__toggle span:nth-child(1){top:14px}
.nav__toggle span:nth-child(2){top:20px}
.nav__toggle span:nth-child(3){top:26px}
.nav.is-open .nav__toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav.is-open .nav__toggle span:nth-child(2){opacity:0}
.nav.is-open .nav__toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:#08141E}
.hero__slides{position:absolute;inset:0}
.hero__slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transform:scale(1.08);transition:opacity 1.6s ease,transform 7s linear;
}
.hero__slide.is-active{opacity:1;transform:scale(1)}
.hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,20,30,.92) 0%,rgba(7,20,30,.74) 45%,rgba(7,20,30,.44) 100%),
             linear-gradient(to bottom,rgba(7,20,30,.6),transparent 32%,rgba(7,20,30,.55));
}
.hero__content{position:relative;z-index:2;width:min(1220px,100% - 48px);margin-inline:auto;padding:120px 0 90px}
.hero__badge{
  display:inline-block;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);
}
.hero__title{font-size:clamp(34px,5.4vw,68px);color:#fff;margin:22px 0 20px;letter-spacing:-.03em;line-height:1.14}
.hero__desc{color:rgba(255,255,255,.8);font-size:clamp(15px,1.35vw,18.5px);max-width:640px;line-height:1.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero__stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;max-width:760px;
  margin-top:clamp(40px,6vw,70px);padding-top:30px;border-top:1px solid rgba(255,255,255,.18);
}
.hstat b{display:block;font-size:clamp(26px,3.1vw,40px);font-weight:900;color:#fff;line-height:1.1;letter-spacing:-.02em}
.hstat span{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em}

.hero__dots{position:absolute;right:min(6vw,64px);top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:12px}
.hero__dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.35);transition:all .35s var(--ease)}
.hero__dots button.is-active{background:var(--green);height:26px;border-radius:6px}

.hero__scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.6);
}
.mouse{width:22px;height:34px;border:1.6px solid rgba(255,255,255,.5);border-radius:12px;display:grid;justify-items:center;padding-top:6px}
.mouse i{width:3px;height:7px;border-radius:2px;background:var(--green);animation:wheel 1.7s var(--ease) infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}70%{opacity:0;transform:translateY(11px)}100%{opacity:0}}
.hero__scroll em{font-style:normal;font-size:9.5px;letter-spacing:.24em}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,80px);align-items:center}
.about__text p{color:var(--muted);font-size:16.5px;margin-top:16px}
.about__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.about__tags span{
  padding:7px 15px;border-radius:999px;background:var(--bg);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .28s var(--ease);
}
.about__tags span:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.about__cities{margin-top:28px;padding:20px 24px;border-radius:var(--radius);background:var(--soft);border-left:3px solid var(--brand)}
.about__cities strong{font-size:13px;color:var(--brand);letter-spacing:.08em}
.about__cities p{margin-top:6px;font-size:15px;line-height:1.8}

.collage{position:relative;padding-bottom:64px;padding-right:44px}
.collage__item{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-l)}
.collage__item img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.collage__item:hover img{transform:scale(1.06)}
.collage__item--a{aspect-ratio:4/3;width:100%}
.collage__item--b{position:absolute;right:0;bottom:0;width:46%;aspect-ratio:1;border:5px solid #fff}
.collage__item--c{position:absolute;left:-6%;bottom:-6%;width:30%;aspect-ratio:1;border:5px solid #fff;display:none}
.collage__badge{
  position:absolute;left:-10px;top:26px;z-index:2;width:88px;height:88px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--green));color:#fff;display:grid;place-items:center;
  text-align:center;box-shadow:0 14px 34px rgba(30,143,191,.38);animation:float 5s ease-in-out infinite;
}
.collage__badge b{font-size:26px;font-weight:900;line-height:1}
.collage__badge span{font-size:10px;line-height:1.25;letter-spacing:.06em}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}

.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(50px,7vw,90px);
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.metric{background:var(--bg);padding:34px 26px;text-align:center;transition:background .35s var(--ease)}
.metric:hover{background:var(--soft)}
.metric b{display:block;font-size:clamp(30px,3.6vw,46px);font-weight:900;color:var(--brand);line-height:1;letter-spacing:-.03em}
.metric span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted)}

/* ---------- 服务 ---------- */
.svc{display:grid;grid-template-columns:360px 1fr;gap:clamp(24px,3vw,44px);align-items:start}
.svc__tabs{display:flex;flex-direction:column;gap:10px;position:sticky;top:calc(var(--nav-h) + 20px)}
.svc__tab{
  display:flex;align-items:center;gap:16px;padding:20px 22px;border-radius:var(--radius);
  background:var(--bg);border:1.5px solid transparent;text-align:left;width:100%;
  transition:all .35s var(--ease);box-shadow:var(--shadow-s);
}
.svc__tab:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.svc__tab.is-active{
  background:linear-gradient(120deg,var(--brand),#2AA5D0);color:#fff;border-color:transparent;
  box-shadow:0 14px 34px rgba(30,143,191,.3);transform:translateX(6px);
}
.svc__num{font-size:13px;font-weight:900;opacity:.55;letter-spacing:.05em}
.svc__name{display:flex;flex-direction:column;font-size:16.5px;font-weight:700;line-height:1.4}
.svc__name em{font-style:normal;font-size:10px;letter-spacing:.16em;opacity:.6;font-weight:600;margin-top:2px}

.svc__panels{position:relative}
.svc__panel{
  display:none;grid-template-columns:.9fr 1.1fr;gap:30px;background:var(--bg);
  border-radius:24px;padding:26px;box-shadow:var(--shadow);border:1px solid var(--line);
}
.svc__panel.is-active{display:grid;animation:panelIn .5s var(--ease) both}
@keyframes panelIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.svc__img{border-radius:16px;overflow:hidden;aspect-ratio:4/3}
.svc__img img{width:100%;height:100%;object-fit:cover}
.svc__body h3{font-size:clamp(19px,2vw,25px);margin-bottom:14px;line-height:1.45}
.svc__body p{color:var(--muted);font-size:15.5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chips li{
  padding:6px 14px;border-radius:999px;background:var(--brand-l);color:var(--brand-d);
  font-size:13px;font-weight:600;border:1px solid rgba(30,143,191,.16);
}

.flow{margin-top:clamp(56px,7vw,90px)}
.flow__title{font-size:clamp(22px,2.6vw,32px);text-align:center}
.flow__sub{text-align:center;color:var(--muted);margin-top:10px;font-size:15.5px}
.flow__grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:38px;
  counter-reset:f;
}
.flow__item{
  position:relative;padding:26px 18px;border-radius:16px;background:var(--bg);
  border:1px solid var(--line);text-align:center;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.flow__item::before{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--brand),var(--green));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.flow__item:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.flow__item:hover::before{transform:scaleX(1)}
.flow__item span{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--soft);color:var(--brand);font-weight:900;font-size:13px;margin-bottom:10px;
}
.flow__item b{display:block;font-size:15px;font-weight:700}

/* ---------- 案例 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:clamp(30px,4vw,48px)}
.filter{
  padding:10px 22px;border-radius:999px;background:var(--bg);border:1.5px solid var(--line);
  font-size:14.5px;font-weight:600;color:var(--ink-2);transition:all .3s var(--ease);
}
.filter em{font-style:normal;font-size:12px;opacity:.55;margin-left:5px;font-weight:700}
.filter:hover{border-color:var(--brand);color:var(--brand)}
.filter.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(30,143,191,.28)}
.cases__more{text-align:center;margin-top:clamp(34px,4vw,52px)}
.btn--more{
  height:50px;padding:0 34px;border-radius:999px;background:var(--bg);
  border:1.5px solid var(--line);color:var(--ink-2);font-weight:700;font-size:15px;
  box-shadow:var(--shadow-s);transition:all .3s var(--ease);
}
.btn--more span{font-weight:600;opacity:.55;font-size:13.5px;margin-left:4px}
.btn--more:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}

.cases{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.case{
  background:var(--bg);border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-s);cursor:pointer;display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),opacity .4s;
}
.case:hover{transform:translateY(-8px);box-shadow:var(--shadow-l)}
.case.is-hidden,.case.is-extra{display:none}
.case__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--soft-2)}
.case__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.case:hover .case__media img{transform:scale(1.07)}
.case__tag{
  position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-d);font-size:11.5px;font-weight:800;
  backdrop-filter:blur(4px);box-shadow:0 4px 12px rgba(0,0,0,.12);
}
.case__body{padding:20px;flex:1;display:flex;flex-direction:column}
.case__date{font-size:12px;color:var(--muted);letter-spacing:.04em}
.case__body h3{font-size:17px;margin:8px 0 10px;line-height:1.5}
.case__body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- NEWS ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news__card{
  background:var(--bg);border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.news__card:hover{transform:translateY(-8px);box-shadow:var(--shadow-l)}
.news__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft-2)}
.news__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.news__card:hover .news__media img{transform:scale(1.06)}
.news__tag{
  position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:999px;
  background:rgba(30,143,191,.95);color:#fff;font-size:11.5px;font-weight:800;
  box-shadow:0 4px 12px rgba(0,0,0,.14);
}
.news__tag--green{background:rgba(124,179,43,.95)}
.news__tag--teal{background:rgba(18,174,163,.95)}
.news__body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column}
.news__date{font-size:12px;color:var(--muted);letter-spacing:.04em}
.news__body h3{font-size:17.5px;margin:8px 0 10px;line-height:1.5}
.news__body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
@media (max-width:980px){.news{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.news{grid-template-columns:1fr}}

/* ---------- WHY ---------- */
.why .shead__sub{color:rgba(255,255,255,.66)}
.why .eyebrow{color:var(--green-b)}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why__card{
  padding:38px 30px;border-radius:22px;background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.1);transition:all .38s var(--ease);
}
.why__card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px);border-color:rgba(255,255,255,.22)}
.why__icon{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--brand),var(--green));color:#fff;
  font-size:22px;font-weight:900;box-shadow:0 10px 26px rgba(30,143,191,.3);
}
.why__card h3{font-size:19px;margin-bottom:10px}
.why__card p{color:rgba(255,255,255,.62);font-size:15px}
.why__stars{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:44px}
.why__stars span{color:var(--green-b);font-size:22px}
.why__stars em{font-style:normal;color:rgba(255,255,255,.6);font-size:14px;margin-left:12px}

/* ---------- 客户墙 ---------- */
.marquee{overflow:hidden;position:relative;margin-bottom:18px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.marquee__track{display:flex;gap:18px;width:max-content;animation:scroll 42s linear infinite}
.marquee--rev .marquee__track{animation-direction:reverse;animation-duration:52s}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.mlogo{
  flex:0 0 auto;width:170px;height:88px;border-radius:14px;background:var(--bg);
  border:1px solid var(--line);display:grid;place-items:center;padding:14px;overflow:hidden;
  transition:all .35s var(--ease);
}
.mlogo img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.62;transition:all .35s var(--ease)}
.mlogo:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow)}
.mlogo:hover img{filter:grayscale(0);opacity:1}
.clients__note{
  text-align:center;max-width:760px;margin:38px auto 0;color:var(--muted);font-size:15.5px;
}

/* ---------- FAQ ---------- */
.faq{border-radius:20px;overflow:hidden;background:var(--bg);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.faq__item+.faq__item{border-top:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 28px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .25s,background .25s;
}
.faq__q:hover{color:var(--brand);background:var(--soft)}
.faq__q i{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand-l);transition:transform .35s var(--ease),background .3s}
.faq__q i::before,.faq__q i::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .3s;
}
.faq__q i::before{width:11px;height:2px}
.faq__q i::after{width:2px;height:11px}
.faq__item.is-open .faq__q{color:var(--brand)}
.faq__item.is-open .faq__q i{transform:rotate(180deg);background:var(--brand)}
.faq__item.is-open .faq__q i::before,.faq__item.is-open .faq__q i::after{background:#fff}
.faq__item.is-open .faq__q i::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .42s var(--ease)}
.faq__a p{padding:0 28px 24px;color:var(--muted);font-size:15.5px}
.faq__a b{color:var(--brand-d)}

/* ---------- 联系 ---------- */
.contact__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,70px);align-items:start}
.contact__lead{margin-top:18px;color:var(--muted);font-size:16px}
.cinfo{margin-top:34px;display:flex;flex-direction:column;gap:2px}
.cinfo__row{display:flex;gap:18px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cinfo__k{flex:0 0 76px;font-size:13.5px;color:var(--muted);font-weight:600;padding-top:2px}
.cinfo__v{font-size:15.5px;color:var(--ink-2);font-weight:600;line-height:1.7}
.cinfo__v--tel{font-size:24px;font-weight:900;color:var(--brand);letter-spacing:-.01em}
a.cinfo__v:hover{color:var(--brand)}

.form{background:var(--bg);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,3vw,38px);box-shadow:var(--shadow)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__row--3{grid-template-columns:repeat(3,1fr)}
.form__row+.form__row,.form__row+.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.field label i{color:var(--brand);font-style:normal}
.field input,.field textarea{
  width:100%;padding:13px 16px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--soft-2);border:1.5px solid transparent;border-radius:12px;outline:none;
  transition:border-color .25s,background .25s,box-shadow .25s;
}
.field textarea{resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A7B0BC}
.field input:focus,.field textarea:focus{background:var(--bg);border-color:var(--brand);box-shadow:0 0 0 4px rgba(30,143,191,.1)}
.field.is-error input,.field.is-error textarea{border-color:#E5484D;background:#FFF5F5}
.err{display:none;font-style:normal;font-size:12px;color:#E5484D;margin-top:6px}
.field.is-error .err{display:block}

.radio-set{display:flex;flex-wrap:wrap;gap:8px}
.radio-set label{position:relative;cursor:pointer;margin:0}
.radio-set input{position:absolute;opacity:0;inset:0}
.radio-set span{
  display:block;padding:11px 18px;border-radius:10px;background:var(--soft-2);
  font-size:14px;font-weight:600;color:var(--muted);border:1.5px solid transparent;transition:all .28s var(--ease);
}
.radio-set input:checked+span{background:var(--brand-l);color:var(--brand-d);border-color:var(--brand)}
.radio-set label:hover span{color:var(--brand)}

.form__tip{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center}
.form__ok{
  display:none;align-items:center;justify-content:center;gap:10px;margin-top:20px;padding:16px;
  border-radius:14px;background:#E9F9F0;color:#0E9F6E;font-weight:700;font-size:15px;
}
.form__ok.is-show{display:flex;animation:panelIn .4s var(--ease) both}

/* ---------- Footer ---------- */
.footer{background:#0E1A24;color:rgba(255,255,255,.62);padding:clamp(50px,6vw,76px) 0 30px}
.footer__top{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand{display:flex;gap:16px}
.footer__brand strong{display:block;color:#fff;font-size:17px;margin-bottom:8px}
.footer__brand p{font-size:14px;line-height:1.8;max-width:340px}
.footer__tel{display:inline-block;margin-top:14px;font-size:24px;font-weight:900;color:var(--green-b);letter-spacing:-.01em}
.footer__nav{display:flex;flex-direction:column;gap:11px;font-size:14.5px}
.footer__nav a{transition:color .25s,transform .25s var(--ease)}
.footer__nav a:hover{color:#fff;transform:translateX(4px)}
.footer__contact p{font-size:14px;line-height:1.85;margin-bottom:16px}
.footer__contact b{color:#fff;font-weight:700}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;
  font-size:12.5px;color:rgba(255,255,255,.42);
}

/* ---------- 浮动按钮 ---------- */
.fbtn{
  position:fixed;right:22px;z-index:90;width:50px;height:50px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand);color:#fff;
  box-shadow:0 10px 26px rgba(30,143,191,.36);transition:transform .3s var(--ease),opacity .3s,background .3s;
}
.fbtn:hover{transform:translateY(-4px) scale(1.05)}
.fbtn--tel{bottom:88px}
.fbtn--top{bottom:26px;background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(20,25,34,.16);opacity:0;pointer-events:none}
.fbtn--top.is-show{opacity:1;pointer-events:auto}
.fbtn--top .ring{position:absolute;inset:0;width:50px;height:50px;color:var(--brand)}
#ringBar{transition:stroke-dashoffset .1s linear}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(10,13,18,.93);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:5vh 6vw;opacity:0;visibility:hidden;transition:opacity .35s var(--ease);
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox__inner{margin:0;max-width:1100px;width:100%;text-align:center;transform:scale(.94);transition:transform .4s var(--ease)}
.lightbox.is-open .lightbox__inner{transform:none}
.lightbox__inner img{max-height:78vh;width:auto;margin-inline:auto;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox__inner figcaption{margin-top:18px;color:rgba(255,255,255,.8);font-size:15px}
.lightbox__close{
  position:absolute;right:26px;top:20px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:30px;line-height:1;transition:background .25s,transform .25s;
}
.lightbox__close:hover{background:rgba(255,255,255,.24);transform:rotate(90deg)}
.lightbox__nav{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:34px;line-height:1;transition:background .25s;
}
.lightbox__nav:hover{background:rgba(255,255,255,.26)}
.lightbox__nav--prev{left:26px}
.lightbox__nav--next{right:26px}

/* ---------- 进场动画 ---------- */
[data-anim]{opacity:0;transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-anim="fade-up"]{transform:translateY(34px)}
[data-anim="fade-right"]{transform:translateX(-34px)}
[data-anim].is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .cases{grid-template-columns:repeat(3,1fr)}
  .flow__grid{grid-template-columns:repeat(4,1fr)}
  .svc{grid-template-columns:1fr}
  .svc__tabs{flex-direction:row;overflow-x:auto;position:static;gap:10px;padding-bottom:6px;scrollbar-width:none}
  .svc__tabs::-webkit-scrollbar{display:none}
  .svc__tab{flex:0 0 auto;min-width:190px}
  .svc__tab.is-active,.svc__tab:hover{transform:translateY(-3px)}
}
@media (max-width:900px){
  .wrap{width:calc(100% - 40px)}
  .logo__pill{padding:6px 11px;border-radius:11px}
  .logo__pill img{height:23px}
  .nav__menu{
    position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(18px);padding:14px 20px 22px;
    box-shadow:0 20px 40px rgba(20,25,34,.14);transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:all .32s var(--ease);
  }
  .nav.is-open .nav__menu{transform:none;opacity:1;visibility:visible}
  .nav__link{color:var(--ink)!important;padding:14px 8px;border-bottom:1px solid var(--line);border-radius:0}
  .nav__link::after{display:none}
  .nav__phone{margin:14px 0 0;justify-content:center}
  .nav__toggle{display:block}
  .about{grid-template-columns:1fr}
  .about__visual{order:-1}
  .collage{padding-bottom:0;padding-right:0}
  .collage__item--b{width:38%;bottom:-10px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .why__grid{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr;gap:30px}
  .hero__dots{display:none}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .svc__panel{grid-template-columns:1fr}
}
@media (max-width:640px){
  .cases{grid-template-columns:repeat(2,1fr);gap:14px}
  .case__body{padding:15px}
  .case__body h3{font-size:15px}
  .case__body p{-webkit-line-clamp:2}
  .flow__grid{grid-template-columns:repeat(2,1fr)}
  .form__row,.form__row--3{grid-template-columns:1fr}
  .btn{width:100%}
  .hero__actions{flex-direction:column}
  .footer__bottom{flex-direction:column}
  .fbtn--tel{bottom:80px}
  .lightbox__nav{width:42px;height:42px;font-size:26px}
  .lightbox__nav--prev{left:10px}
  .lightbox__nav--next{right:10px}
}
@media (max-width:420px){
  .cases{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* ============ 家庭日百科（科普） ============ */
.wiki{max-width:900px;margin:0 auto;display:grid;gap:20px}
.wiki p{font-size:16px;line-height:1.95;color:var(--ink-2)}
.wiki p b{color:var(--ink);font-weight:700}
.wiki__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:4px}
.wiki__item{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:20px 22px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.wiki__item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(30,143,191,.12);border-color:var(--brand)}
.wiki__item b{display:block;color:var(--brand);font-size:16.5px;margin-bottom:6px}
.wiki__item span{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.wiki__note{margin-top:6px;padding:18px 22px;background:var(--brand-l);border-radius:16px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.wiki__note b{color:var(--brand-d);font-weight:700}
@media (max-width:640px){
  .wiki__grid{grid-template-columns:1fr}
}