:root{
  --pulp:#F28C28;
  --pulp-deep:#D2721A;
  --pulp-soft:#FBB36B;
  --pith:#E9C46A;
  --pith-deep:#C9A240;
  --membrane:#FFF4E0;
  --membrane-2:#FFFBF2;
  --rind:#7A3A08;
  --rind-2:#5A2A06;
  --ink:#3B2310;
  --ink-2:#6E523A;
  --line:rgba(233,196,106,.55);
  --shadow:0 10px 26px rgba(122,58,8,.10);
  --shadow-2:0 16px 40px rgba(122,58,8,.16);
  --seg-r:58% 58% 16px 16px / 42% 42% 12px 12px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--membrane);
  color:var(--ink);
  font-size:16px;
  line-height:1.86;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
b,strong{font-weight:700}
:focus-visible{outline:3px solid var(--pulp);outline-offset:3px}

.wrap{width:min(1220px,92vw);margin:0 auto}
section[id]{scroll-margin-top:112px}
[data-to]{cursor:pointer}

/* ---------- top tip bar ---------- */
.tipbar{
  background:var(--rind-2);
  color:#F7E3C2;
  font-size:13px;
  letter-spacing:.02em;
}
.tipbar-in{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:38px;
  padding:5px 0;
  flex-wrap:wrap;
}
.tip-dot{
  width:10px;height:10px;border-radius:50% 50% 50% 0;
  background:var(--pulp);
  box-shadow:0 0 0 3px rgba(242,140,40,.25);
  flex:none;
  animation:pip 2.4s ease-in-out infinite;
}
@keyframes pip{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.72);opacity:.65}}
.tip-txt{font-weight:600;color:#FFE9C6}
.tip-side{
  margin-left:auto;
  color:#D6B68A;
  padding-left:14px;
  border-left:1px dashed rgba(233,196,106,.4);
}

/* ---------- header ---------- */
.head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,244,224,.94);
  backdrop-filter:saturate(1.3) blur(8px);
  -webkit-backdrop-filter:saturate(1.3) blur(8px);
  border-bottom:2px solid var(--line);
  box-shadow:0 4px 18px rgba(122,58,8,.07);
}
.head-in{
  position:relative;
  display:flex;align-items:center;gap:20px;
  min-height:70px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  display:inline-flex;align-items:flex-end;gap:3px;
  padding:5px 6px;
  border-radius:18px 18px 8px 8px;
  background:linear-gradient(170deg,var(--pith) 0%,var(--pulp) 78%);
  box-shadow:inset 0 0 0 2px rgba(255,244,224,.7);
}
.logo-mark i{
  display:block;width:7px;height:20px;
  background:var(--membrane-2);
  border-radius:50% 50% 3px 3px / 62% 62% 3px 3px;
  opacity:.92;
}
.logo-mark i:nth-child(2){height:26px;opacity:1}
.logo-txt{
  font-size:23px;font-weight:800;letter-spacing:.06em;
  color:var(--rind);
}
.nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav a{
  position:relative;
  display:block;
  padding:9px 14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:16px 16px 7px 7px;
  transition:color .2s,background .2s;
}
.nav a::after{
  content:"";
  position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:0;height:3px;border-radius:3px;
  background:var(--pulp);
  transition:width .25s ease;
}
.nav a:hover{color:var(--rind);background:rgba(233,196,106,.28)}
.nav a:hover::after{width:22px}
.nav a.here{
  color:#fff;
  background:linear-gradient(175deg,var(--pulp-soft),var(--pulp));
  box-shadow:0 6px 14px rgba(242,140,40,.3);
}
.nav a.here::after{width:26px;background:var(--membrane)}
.navbtn{
  display:none;
  margin-left:auto;
  width:44px;height:38px;
  padding:9px 10px;
  flex-direction:column;justify-content:space-between;
  background:var(--pulp);
  border:none;border-radius:14px 14px 7px 7px;
  cursor:pointer;
}
.navbtn span{display:block;height:3px;border-radius:2px;background:var(--membrane)}
.navbtn.on span:nth-child(2){opacity:.35}

/* ---------- breadcrumb ---------- */
.crumbbar{
  background:linear-gradient(90deg,rgba(233,196,106,.28),rgba(255,251,242,.5));
  border-bottom:1px solid rgba(233,196,106,.45);
}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:7px;
  padding:11px 0;
  font-size:13.5px;
  color:var(--ink-2);
}
.crumb a{color:var(--ink-2);transition:color .2s}
.crumb a:hover{color:var(--pulp-deep);text-decoration:underline}
.crumb a:last-of-type{color:var(--rind);font-weight:600}
.crumb .sep{color:var(--pith-deep)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:54px 0 66px;
  background:
    radial-gradient(circle at 12% 0%,rgba(233,196,106,.5),transparent 46%),
    radial-gradient(circle at 92% 22%,rgba(242,140,40,.22),transparent 48%),
    linear-gradient(180deg,#FFFBF2 0%,var(--membrane) 100%);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:20px;
  background-image:radial-gradient(circle at 50% 0,var(--membrane) 0 13px,transparent 13px);
  background-size:34px 20px;
  background-repeat:repeat-x;
}
.hero-in{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);
  gap:44px;align-items:center;
}
.hero-kicker{
  display:inline-block;
  padding:5px 16px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--rind);
  background:var(--pith);
  border-radius:20px 20px 6px 6px;
}
.hero h1{
  margin:18px 0 16px;
  font-size:clamp(27px,3.5vw,45px);
  line-height:1.3;
  font-weight:800;
  color:var(--rind);
  letter-spacing:.01em;
}
.hero-sub{
  font-size:16.5px;
  color:var(--ink-2);
  max-width:38em;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;
  font-size:16px;font-weight:700;
  border-radius:26px 26px 10px 10px;
  transition:transform .18s,box-shadow .2s,background .2s,color .2s;
  cursor:pointer;
  user-select:none;
}
.btn-main{
  color:#fff;
  background:linear-gradient(170deg,var(--pulp-soft),var(--pulp) 60%,var(--pulp-deep));
  box-shadow:0 12px 22px rgba(242,140,40,.34);
}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 16px 28px rgba(242,140,40,.42)}
.btn-line{
  color:var(--rind);
  background:var(--membrane-2);
  box-shadow:inset 0 0 0 2px var(--pith);
}
.btn-line:hover{background:var(--pith);transform:translateY(-3px)}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--line);
  border-radius:22px 22px 10px 10px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-facts li{
  background:var(--membrane-2);
  padding:16px 12px;
  text-align:center;
}
.hero-facts b{
  display:block;
  font-size:19px;
  color:var(--pulp-deep);
  letter-spacing:.06em;
}
.hero-facts span{font-size:13.5px;color:var(--ink-2)}
.hero-pic{position:relative}
.hero-pic img{
  width:100%;
  border-radius:120px 120px 22px 22px / 78px 78px 22px 22px;
  box-shadow:var(--shadow-2);
  border:6px solid var(--membrane-2);
}
.hero-seg{
  position:absolute;left:8%;right:8%;bottom:-24px;
  display:flex;gap:6px;justify-content:center;
}
.hero-seg i{
  flex:1 1 0;
  height:46px;
  background:linear-gradient(180deg,var(--pulp) 0%,var(--pulp-soft) 62%,var(--pith) 100%);
  border-radius:var(--seg-r);
  box-shadow:inset 0 0 0 3px rgba(255,244,224,.85),0 8px 16px rgba(122,58,8,.16);
}
.hero-seg i:nth-child(odd){height:56px}

/* ---------- section shells ---------- */
.sec{padding:66px 0;position:relative}
.sec-white{background:var(--membrane-2)}
.sec-pulp{
  background:
    linear-gradient(180deg,rgba(233,196,106,.34),rgba(255,244,224,.9));
}
.sec-pulp::before,.sec-white::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:14px;
  background-image:repeating-linear-gradient(90deg,var(--pith) 0 3px,transparent 3px 30px);
  opacity:.5;
}
.sec-rind{
  background:
    radial-gradient(circle at 20% 10%,rgba(255,244,224,.16),transparent 45%),
    linear-gradient(160deg,var(--pulp-deep) 0%,#B65A12 55%,var(--rind) 100%);
  color:var(--membrane);
}
.sec-head{max-width:900px;margin-bottom:34px}
.sec-head h2{
  position:relative;
  display:inline-block;
  padding-left:22px;
  font-size:clamp(22px,2.6vw,31px);
  font-weight:800;
  color:var(--rind);
  letter-spacing:.02em;
}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:12px;height:30px;
  background:linear-gradient(180deg,var(--pulp),var(--pith));
  border-radius:8px 8px 3px 3px / 14px 14px 3px 3px;
}
.sec-head p{margin-top:10px;color:var(--ink-2);font-size:15.5px}
.sec-head-light h2{color:#FFF4E0}
.sec-head-light h2::before{background:linear-gradient(180deg,var(--membrane),var(--pith))}
.sec-head-light p{color:#FBE5C4}

/* ---------- vertical card grid ---------- */
.grid-v{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.grid-v-8{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.vcard{
  background:var(--membrane-2);
  border-radius:78px 78px 18px 18px / 54px 54px 18px 18px;
  padding:10px 10px 18px;
  box-shadow:var(--shadow);
  border:1px solid rgba(233,196,106,.45);
  transition:transform .22s,box-shadow .22s;
}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.vpic{position:relative;overflow:hidden;border-radius:70px 70px 12px 12px / 48px 48px 12px 12px}
.vpic img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s}
.vcard:hover .vpic img{transform:scale(1.05)}
.vpic::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(122,58,8,.06) 0%,transparent 34%,rgba(59,35,16,.42) 100%);
  pointer-events:none;
}
.badge{
  position:absolute;left:0;bottom:10px;z-index:2;
  padding:4px 13px 4px 11px;
  font-size:12.5px;font-weight:700;
  color:var(--rind);
  background:var(--pith);
  border-radius:0 16px 16px 0;
  box-shadow:0 4px 10px rgba(122,58,8,.25);
}
.vcard h3{
  margin:14px 6px 8px;
  font-size:17px;
  font-weight:700;
  color:var(--rind);
  line-height:1.4;
}
.vdesc{
  margin:0 6px;
  font-size:13.6px;
  color:var(--ink-2);
  line-height:1.78;
}
.vmeta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:12px 6px 0;
  padding-top:10px;
  border-top:1px dashed rgba(233,196,106,.75);
}
.tag{
  font-size:12px;
  padding:2px 11px;
  color:var(--pulp-deep);
  background:rgba(242,140,40,.12);
  border-radius:12px 12px 4px 4px;
}
.state{
  font-size:12px;
  padding:2px 11px;
  color:#fff;
  background:var(--pulp-deep);
  border-radius:12px 12px 4px 4px;
}
.vcard-lib{border-radius:64px 64px 18px 18px / 44px 44px 18px 18px}

/* ---------- segment blocks ---------- */
.segs{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.seg{
  position:relative;
  padding:26px 20px 22px 26px;
  background:linear-gradient(175deg,rgba(255,244,224,.97),rgba(255,244,224,.86));
  border-radius:60px 14px 14px 60px / 40px 14px 14px 40px;
  color:var(--ink);
  overflow:hidden;
  transition:transform .2s,box-shadow .2s;
  box-shadow:0 10px 22px rgba(60,26,4,.2);
}
.seg::before{
  content:"";
  position:absolute;left:8px;top:14px;bottom:14px;width:8px;
  border-radius:8px;
  background:repeating-linear-gradient(180deg,var(--pulp) 0 8px,rgba(242,140,40,.25) 8px 14px);
}
.seg::after{
  content:"";
  position:absolute;right:-30px;bottom:-30px;
  width:110px;height:110px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(233,196,106,.45),transparent 70%);
}
.seg:hover{transform:translateY(-5px);box-shadow:0 16px 30px rgba(60,26,4,.28)}
.seg h3{
  margin-bottom:8px;
  padding-left:12px;
  font-size:18px;font-weight:800;color:var(--rind);
}
.seg p{padding-left:12px;font-size:13.8px;color:var(--ink-2);position:relative;z-index:1}

/* ---------- rank list ---------- */
.rank{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.rk{
  position:relative;
  display:grid;
  grid-template-columns:54px 200px minmax(0,1fr);
  gap:16px;align-items:center;
  padding:16px 18px 16px 10px;
  background:var(--membrane);
  border:1px solid rgba(233,196,106,.6);
  border-radius:16px 34px 34px 16px / 16px 24px 24px 16px;
  transition:border-color .2s,transform .2s;
}
.rk:hover{border-color:var(--pulp);transform:translateX(4px)}
.rk-no{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:52px;
  font-size:19px;font-weight:800;
  color:#fff;
  background:linear-gradient(170deg,var(--pulp-soft),var(--pulp-deep));
  border-radius:26px 26px 8px 8px / 32px 32px 8px 8px;
  box-shadow:0 6px 14px rgba(242,140,40,.32);
}
.rk:nth-child(n+4) .rk-no{background:linear-gradient(170deg,var(--pith),var(--pith-deep));color:var(--rind)}
.rk img{
  width:100%;aspect-ratio:400/260;object-fit:cover;
  border-radius:14px 14px 14px 14px;
  box-shadow:var(--shadow);
}
.rk-txt h3{font-size:17px;font-weight:700;color:var(--rind);margin-bottom:6px}
.rk-txt p{font-size:13.6px;color:var(--ink-2);line-height:1.75}
.rk-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}

/* ---------- long articles ---------- */
.arts{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.art{
  position:relative;
  padding:28px 28px 22px;
  background:var(--membrane-2);
  border-radius:20px 20px 20px 20px;
  border-left:7px solid var(--pulp);
  box-shadow:var(--shadow);
}
.art::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:6px;
  border-radius:20px 20px 0 0;
  background:repeating-linear-gradient(90deg,var(--pith) 0 16px,transparent 16px 26px);
  opacity:.8;
}
.art:first-child{grid-column:1 / -1}
.art h3{
  margin-bottom:12px;
  font-size:19px;font-weight:800;color:var(--rind);line-height:1.5;
}
.art p{font-size:15px;color:var(--ink-2);text-align:justify}
.art-sign{
  margin-top:14px;
  font-size:12.5px;
  color:var(--pulp-deep);
  letter-spacing:.2em;
  text-align:right;
}

/* ---------- app ---------- */
.sec-app{
  background:
    radial-gradient(circle at 85% 12%,rgba(233,196,106,.55),transparent 52%),
    linear-gradient(150deg,#FFE8C4 0%,#FFD79A 48%,#F7B061 100%);
}
.sec-app::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:16px;
  background-image:radial-gradient(circle at 50% 100%,var(--membrane) 0 11px,transparent 11px);
  background-size:30px 16px;background-repeat:repeat-x;
}
.app-in{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);
  gap:44px;align-items:center;
}
.app-txt h2{
  font-size:clamp(23px,2.6vw,32px);
  font-weight:800;color:var(--rind);
}
.app-lead{margin:14px 0 22px;font-size:16px;color:#633B12;max-width:34em}
.app-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.app-feat{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
.app-feat li{
  position:relative;
  padding:16px 16px 14px 20px;
  background:rgba(255,251,242,.9);
  border-radius:30px 12px 12px 30px / 22px 12px 12px 22px;
  box-shadow:0 6px 16px rgba(122,58,8,.12);
}
.app-feat li::before{
  content:"";
  position:absolute;left:8px;top:18px;
  width:6px;height:26px;border-radius:6px;
  background:var(--pulp);
}
.app-feat b{display:block;font-size:16px;color:var(--rind);margin-bottom:4px}
.app-feat span{display:block;font-size:13.4px;color:var(--ink-2);line-height:1.72}
.app-ver{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:24px 0 12px;
}
.app-ver span{
  padding:5px 14px;
  font-size:13px;font-weight:600;
  color:var(--rind);
  background:rgba(255,251,242,.85);
  border:1px dashed var(--pith-deep);
  border-radius:14px 14px 5px 5px;
}
.app-note{
  font-size:13.4px;
  color:#6B4116;
  padding-left:14px;
  border-left:3px solid var(--pulp);
  margin-top:8px;
}
.app-note2{border-left-color:var(--pith-deep)}
.app-pic img{
  width:100%;
  border-radius:24px 24px 110px 110px / 24px 24px 72px 72px;
  border:6px solid var(--membrane-2);
  box-shadow:var(--shadow-2);
}

/* ---------- qa ---------- */
.qa{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.qitem{
  position:relative;
  padding:24px 24px 20px 26px;
  background:linear-gradient(180deg,rgba(255,244,224,.95),rgba(255,251,242,.95));
  border:1px solid rgba(233,196,106,.6);
  border-radius:18px 46px 18px 46px / 18px 30px 18px 30px;
}
.qitem h3{
  position:relative;
  margin-bottom:10px;
  padding-left:26px;
  font-size:16.5px;font-weight:700;color:var(--rind);line-height:1.55;
}
.qitem h3::before{
  content:"";
  position:absolute;left:0;top:7px;
  width:15px;height:15px;
  background:var(--pulp);
  border-radius:50% 50% 50% 2px;
}
.qitem p{font-size:14.4px;color:var(--ink-2);text-align:justify}
.qitem:nth-child(5){grid-column:1 / -1}

/* ---------- friend links ---------- */
.lk{
  background:var(--membrane);
  border-top:2px solid var(--line);
  padding:26px 0 30px;
}
.lk h4{
  font-size:15px;font-weight:700;color:var(--rind);
  margin-bottom:12px;
  padding-left:14px;
  position:relative;
}
.lk h4::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:7px;height:18px;border-radius:5px 5px 2px 2px;background:var(--pith-deep);
}
.lkin{display:flex;flex-wrap:wrap;gap:8px 16px}
.lkin a{
  font-size:13px;
  color:var(--ink-2);
  padding:3px 10px;
  border-radius:10px 10px 3px 3px;
  background:rgba(233,196,106,.2);
  transition:background .2s,color .2s;
}
.lkin a:hover{background:var(--pulp);color:#fff}
.lk:has(.lkin:empty){display:none}

/* ---------- footer ---------- */
.foot{
  background:linear-gradient(180deg,var(--rind) 0%,var(--rind-2) 100%);
  color:#EBD5B4;
  position:relative;
}
.foot::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:16px;
  background-image:radial-gradient(circle at 50% 0,var(--membrane) 0 11px,transparent 11px);
  background-size:32px 16px;background-repeat:repeat-x;
}
.foot-in{
  display:grid;
  grid-template-columns:1.35fr .8fr 1.35fr;
  gap:40px;
  padding:54px 0 36px;
}
.foot-col h4{
  font-size:16px;font-weight:700;color:var(--pith);
  margin-bottom:14px;
}
.foot-about p{font-size:14px;color:#D4BC98;margin-top:14px;line-height:1.85}
.logo-foot .logo-txt{color:#FFF4E0}
.logo-foot{display:inline-flex}
.foot-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 14px}
.foot-nav a{
  font-size:14px;color:#D4BC98;
  transition:color .2s,padding-left .2s;
}
.foot-nav a:hover{color:var(--pulp-soft);padding-left:4px}
.foot-tips li{
  position:relative;
  padding-left:16px;
  font-size:13.4px;
  color:#D4BC98;
  margin-bottom:8px;
  line-height:1.8;
}
.foot-tips li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;
  background:var(--pith);
  border-radius:50% 50% 50% 1px;
}
.foot-bar{
  border-top:1px solid rgba(233,196,106,.28);
  padding:18px 0 26px;
}
.dis{font-size:13px;color:#C6A97F;margin-bottom:8px}
.cr{font-size:13px;color:#B8986D;letter-spacing:.02em}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .grid-v{grid-template-columns:repeat(4,minmax(0,1fr))}
  .grid-v-8{grid-template-columns:repeat(4,minmax(0,1fr))}
  .segs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rk{grid-template-columns:48px 170px minmax(0,1fr)}
}
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-pic{order:-1}
  .app-in{grid-template-columns:1fr;gap:30px}
  .app-pic{order:-1}
  .rank{grid-template-columns:1fr}
  .arts{grid-template-columns:1fr}
  .art:first-child{grid-column:auto}
  .qa{grid-template-columns:1fr}
  .qitem:nth-child(5){grid-column:auto}
  .foot-in{grid-template-columns:1fr 1fr;gap:30px}
  .foot-about{grid-column:1 / -1}
}
@media (max-width:860px){
  .navbtn{display:flex}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    margin:0;
    display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
    background:var(--membrane-2);
    border-bottom:2px solid var(--line);
    box-shadow:0 14px 26px rgba(122,58,8,.14);
    max-height:0;overflow:hidden;padding:0 4vw;
    transition:max-height .3s ease,padding .3s ease;
  }
  .nav.open{max-height:440px;padding:14px 4vw 18px}
  .nav a{text-align:center;border-radius:20px 20px 8px 8px;background:rgba(233,196,106,.2)}
  .tip-side{margin-left:0;padding-left:0;border-left:none;width:100%}
  .sec{padding:48px 0}
  .hero{padding:38px 0 54px}
}
@media (max-width:720px){
  .grid-v,.grid-v-8{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .vcard{padding:8px 8px 14px;border-radius:56px 56px 14px 14px / 38px 38px 14px 14px}
  .vcard h3{font-size:15.5px;margin:10px 4px 6px}
  .vdesc{font-size:12.8px}
  .app-feat{grid-template-columns:1fr}
  .hero-seg i{height:34px}
  .hero-seg i:nth-child(odd){height:42px}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .grid-v,.grid-v-8{grid-template-columns:repeat(2,minmax(0,1fr))}
  .segs{grid-template-columns:1fr}
  .rk{grid-template-columns:42px minmax(0,1fr);gap:12px;padding:14px}
  .rk img{grid-column:1 / -1;order:3}
  .rk-txt{grid-column:1 / -1;order:2}
  .hero-facts{grid-template-columns:1fr}
  .btn{width:100%;padding:12px 20px}
  .hero-btns,.app-btns{gap:10px}
  .foot-in{grid-template-columns:1fr;padding:40px 0 28px}
  .foot-nav{grid-template-columns:repeat(2,1fr)}
  .art{padding:22px 18px 18px}
  .qitem{padding:20px 18px 16px;border-radius:16px 32px 16px 32px}
}
@media (max-width:400px){
  .grid-v,.grid-v-8{grid-template-columns:1fr}
  .nav{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}