:root{
  --text:#eef4ff;
  --muted:#9fb4dc;
  --muted-2:#7a90bb;
  --blue:#4a8cff;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}

body{
  min-height:100vh;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",
              "PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  line-height:1.65;
  font-size:15px;
  background:#02050f;
}

/* ===================== 深蓝液态背景 ===================== */
.bg{
  position:fixed; inset:0; z-index:-2; overflow:hidden;
  background:
    radial-gradient(1200px 800px at 12% 8%,  #1c50d6 0%, rgba(6,14,36,0) 55%),
    radial-gradient(1000px 760px at 88% 18%, #6a3df2 0%, rgba(6,14,36,0) 52%),
    radial-gradient(1400px 900px at 50% 108%,#0b3aa8 0%, rgba(6,14,36,0) 58%),
    linear-gradient(180deg, #050e26 0%, #02050f 100%);
}

.blob{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  will-change:transform;
}
.blob.b1{
  width:620px;height:620px; left:-160px; top:-180px;
  background:radial-gradient(circle at 38% 38%, #4d8cff 0%, rgba(77,140,255,0) 68%);
  opacity:.62; animation:float1 24s ease-in-out infinite;
}
.blob.b2{
  width:520px;height:520px; right:-140px; top:4%;
  background:radial-gradient(circle at 42% 42%, #7b4cff 0%, rgba(123,76,255,0) 68%);
  opacity:.5; animation:float2 28s ease-in-out infinite;
}
.blob.b3{
  width:700px;height:700px; left:26%; bottom:-300px;
  background:radial-gradient(circle at 50% 50%, #2f7bff 0%, rgba(47,123,255,0) 68%);
  opacity:.55; animation:float3 32s ease-in-out infinite;
}
.blob.b4{
  width:380px;height:380px; left:58%; top:34%;
  background:radial-gradient(circle at 50% 50%, #35d0ff 0%, rgba(53,208,255,0) 66%);
  opacity:.32; animation:float2 26s ease-in-out infinite reverse;
}

@keyframes float1{50%{transform:translate(90px,70px) scale(1.12);}}
@keyframes float2{50%{transform:translate(-80px,90px) scale(1.15);}}
@keyframes float3{50%{transform:translate(70px,-70px) scale(1.1);}}

/* 细密光点 */
.sparkles{
  position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.55;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, rgba(200,225,255,.9), transparent),
    radial-gradient(1.2px 1.2px at 76% 16%, rgba(180,215,255,.75), transparent),
    radial-gradient(1.6px 1.6px at 32% 68%, rgba(210,235,255,.8), transparent),
    radial-gradient(1.2px 1.2px at 88% 72%, rgba(170,205,255,.7), transparent),
    radial-gradient(1.3px 1.3px at 56% 44%, rgba(200,230,255,.6), transparent),
    radial-gradient(1.1px 1.1px at 8% 84%, rgba(180,210,255,.65), transparent),
    radial-gradient(1.4px 1.4px at 66% 88%, rgba(210,235,255,.7), transparent),
    radial-gradient(1.2px 1.2px at 44% 12%, rgba(190,220,255,.7), transparent),
    radial-gradient(1.1px 1.1px at 92% 44%, rgba(200,230,255,.6), transparent);
  animation:twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle{from{opacity:.35;}to{opacity:.7;}}

/* ===================== 液态玻璃核心 ===================== */
.glass{
  position:relative;
  border-radius:30px;
  background:linear-gradient(
    150deg,
    rgba(255,255,255,.042) 0%,
    rgba(255,255,255,.006) 42%,
    rgba(190,220,255,.022) 100%
  );
  backdrop-filter:blur(1.4px) saturate(190%) brightness(1.2);
  -webkit-backdrop-filter:blur(1.4px) saturate(190%) brightness(1.2);
  box-shadow:
    0 0 60px -18px rgba(74,140,255,.55),
    0 24px 70px -28px rgba(10,35,110,.85),
    inset 0 1px 0 rgba(255,255,255,.42),
    inset 0 -1px 0 rgba(130,185,255,.24),
    inset 0 0 34px rgba(110,170,255,.07);
  isolation:isolate;
}

.glass::before{
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  padding:17px;
  backdrop-filter:url(#waterRefract) blur(0.7px) saturate(185%);
  -webkit-backdrop-filter:url(#waterRefract) blur(0.7px) saturate(185%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite:exclude;
  box-shadow:
    inset 0 0 0 1.5px rgba(170,212,255,.5),
    inset 0 0 0 1px rgba(255,255,255,.28),
    inset 0 0 22px rgba(110,175,255,.16);
  pointer-events:none;
  z-index:3;
}

.glass::after{
  content:"";
  position:absolute; inset:0; border-radius:inherit;
  background:radial-gradient(
    460px circle at var(--mx,50%) var(--my,-30%),
    rgba(200,228,255,.2),
    rgba(120,175,255,.06) 32%,
    rgba(255,255,255,0) 62%
  );
  opacity:0; transition:opacity .5s ease;
  pointer-events:none; z-index:2;
  mix-blend-mode:screen;
}
.glass:hover::after{opacity:1;}

/* ===================== 布局 ===================== */
.page{max-width:1080px;margin:0 auto;padding:0 22px 70px;}

.nav{
  position:sticky; top:16px; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:10px 10px 10px 24px; border-radius:999px;
  margin-top:20px;
}
.brand{
  font-size:15px; font-weight:600; letter-spacing:.03em;
  color:#eaf2ff; text-decoration:none; white-space:nowrap;
  text-shadow:0 1px 10px rgba(120,180,255,.6);
}
.links{display:flex; gap:2px;}
.links a{
  font-size:14px; color:#bccfed; text-decoration:none;
  padding:8px 17px; border-radius:999px;
  transition:background .28s ease, color .28s ease, box-shadow .28s ease;
}
.links a:hover{
  background:rgba(255,255,255,.09);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
  color:#fff;
}

/* 导航用户区 */
.nav-user{position:relative; display:flex; align-items:center;}

.login-btn{
  padding:8px 22px;
  border-radius:999px;
  font-size:14px; font-weight:500; font-family:inherit;
  color:#eef4ff; cursor:pointer;
  border:1px solid rgba(170,210,255,.35);
  background:linear-gradient(150deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.42),
    0 0 22px -10px rgba(90,160,255,.9);
  transition:transform .3s, box-shadow .3s, background .3s;
  white-space:nowrap;
}
.login-btn:hover{
  transform:translateY(-1px);
  background:linear-gradient(150deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.6),
    0 0 30px -8px rgba(90,160,255,1);
}

.user-chip{
  display:inline-flex; align-items:center; gap:9px;
  padding:5px 16px 5px 5px;
  border-radius:999px;
  background:linear-gradient(150deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border:1px solid rgba(160,205,255,.28);
  color:#eef4ff; cursor:pointer; font-family:inherit; font-size:14px;
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.3),
    0 0 22px -10px rgba(90,160,255,.8);
  transition:background .25s, box-shadow .25s;
  white-space:nowrap;
}
.user-chip:hover{
  background:linear-gradient(150deg, rgba(255,255,255,.16), rgba(255,255,255,.05));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.5),
    0 0 30px -8px rgba(90,160,255,1);
}
.user-avatar{
  width:30px; height:30px; border-radius:50%;
  display:grid; place-items:center;
  font-size:13px; font-weight:600;
  background:linear-gradient(160deg, rgba(140,190,255,.65), rgba(50,100,220,.45));
  border:1px solid rgba(200,225,255,.5);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.55),
    0 0 16px -4px rgba(90,160,255,.9);
  text-shadow:0 1px 6px rgba(140,195,255,.8);
}

.user-menu{
  position:absolute; top:calc(100% + 12px); right:0;
  width:240px; padding:10px;
  border-radius:20px; z-index:120;
  animation:menuIn .3s cubic-bezier(.22,1,.36,1);
}
@keyframes menuIn{
  from{opacity:0; transform:translateY(-8px) scale(.97);}
  to{opacity:1; transform:none;}
}
.user-menu-head{
  display:flex; align-items:center; gap:12px;
  padding:10px 10px 14px;
  border-bottom:1px solid rgba(160,205,255,.16);
  margin-bottom:8px;
}
.user-menu-head .user-avatar.lg{width:40px; height:40px; font-size:16px;}
.user-menu-head div{display:flex; flex-direction:column; line-height:1.35; min-width:0;}
.user-menu-head strong{
  font-size:14px; font-weight:600; color:#f0f6ff;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.user-menu-head span{
  font-size:12px; color:var(--muted-2);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.user-menu-item{
  width:100%; text-align:left;
  padding:10px 14px; border-radius:12px;
  background:transparent; border:none;
  color:#dce8ff; font-family:inherit; font-size:14px;
  cursor:pointer;
  transition:background .2s, color .2s;
}
.user-menu-item:hover{
  background:rgba(255,120,140,.12);
  color:#ffc4cf;
}

main{display:flex; flex-direction:column; gap:24px; margin-top:24px;}
section{scroll-margin-top:96px;}

/* ===================== Hero ===================== */
.hero{
  padding:60px 40px 52px;
  display:flex; flex-direction:column; align-items:center;
  text-align:center; gap:15px; overflow:hidden;
}
.hero .halo{
  position:absolute; width:620px; height:380px; left:50%; top:-110px;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center, rgba(90,155,255,.4), rgba(90,155,255,0) 70%);
  filter:blur(38px); pointer-events:none; z-index:0;
}

.avatar{
  width:110px; height:110px; border-radius:50%;
  display:grid; place-items:center;
  font-size:40px; font-weight:600; letter-spacing:.02em;
  color:#f2f8ff; position:relative; z-index:1;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,255,255,.5), rgba(255,255,255,0) 42%),
    radial-gradient(circle at 70% 82%, rgba(90,150,255,.45), rgba(90,150,255,0) 55%),
    linear-gradient(160deg, rgba(130,185,255,.28), rgba(40,80,190,.18));
  border:1px solid rgba(190,220,255,.5);
  backdrop-filter:blur(5px) saturate(180%);
  -webkit-backdrop-filter:blur(5px) saturate(180%);
  box-shadow:
    inset 0 3px 8px rgba(255,255,255,.55),
    inset 0 -14px 28px rgba(30,80,210,.5),
    inset 0 0 24px rgba(140,195,255,.3),
    0 18px 44px -14px rgba(60,130,255,.8),
    0 0 50px -12px rgba(90,160,255,.65);
  text-shadow:0 2px 14px rgba(140,195,255,.9);
}

.status{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12.5px; color:#b3caea; letter-spacing:.02em;
  padding:6px 15px; border-radius:999px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(160,205,255,.22);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28), 0 0 22px -8px rgba(90,160,255,.8);
  position:relative; z-index:1;
}
.status i{
  width:6px; height:6px; border-radius:50%; background:#5ee6a8;
  box-shadow:0 0 10px #5ee6a8; animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{50%{opacity:.35; transform:scale(.78);}}

.hero h1{
  position:relative; z-index:1;
  font-size:clamp(38px,6.4vw,60px);
  font-weight:600; letter-spacing:-.02em; line-height:1.08;
  background:linear-gradient(180deg,#ffffff 18%,#a9caff 62%,#6f9cf0 100%);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 4px 24px rgba(80,150,255,.45));
}
.role{
  position:relative; z-index:1;
  font-size:14.5px; letter-spacing:.18em; text-transform:uppercase;
  color:#93b6ea;
}
.desc{
  position:relative; z-index:1;
  max-width:530px; color:var(--muted); font-size:15px;
}
.actions{
  display:flex; gap:12px; margin-top:14px; flex-wrap:wrap;
  justify-content:center; position:relative; z-index:1;
}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 28px; border-radius:999px;
  font-size:15px; font-weight:500; text-decoration:none;
  color:var(--text); cursor:pointer; font-family:inherit;
  border:1px solid rgba(170,210,255,.28);
  background:linear-gradient(150deg, rgba(255,255,255,.085), rgba(255,255,255,.02));
  backdrop-filter:blur(10px) saturate(180%);
  -webkit-backdrop-filter:blur(10px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.4),
    inset 0 -1px 0 rgba(120,175,255,.22),
    0 10px 28px -12px rgba(0,0,0,.9),
    0 0 30px -12px rgba(90,160,255,.7);
  transition:transform .35s cubic-bezier(.22,1,.36,1),
             box-shadow .35s ease, background .35s ease;
}
.btn:hover{
  transform:translateY(-2px);
  background:linear-gradient(150deg, rgba(255,255,255,.15), rgba(255,255,255,.05));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.6),
    inset 0 -1px 0 rgba(140,190,255,.38),
    0 16px 34px -14px rgba(0,0,0,.9),
    0 0 44px -10px rgba(90,160,255,.9);
}
.btn.primary{
  color:#fff;
  border-color:rgba(190,220,255,.6);
  background:linear-gradient(165deg,
    rgba(150,195,255,.95) 0%,
    rgba(70,125,245,.92) 48%,
    rgba(38,80,210,.95) 100%);
  box-shadow:
    inset 0 1.5px 0 rgba(255,255,255,.75),
    inset 0 -8px 18px rgba(15,45,140,.55),
    0 14px 36px -12px rgba(50,115,255,.95),
    0 0 50px -14px rgba(90,160,255,.9);
  text-shadow:0 1px 8px rgba(20,60,160,.6);
}
.btn.primary:hover{
  box-shadow:
    inset 0 1.5px 0 rgba(255,255,255,.85),
    inset 0 -8px 18px rgba(15,45,140,.5),
    0 20px 44px -14px rgba(50,115,255,1),
    0 0 64px -12px rgba(120,180,255,1);
}
.btn.primary:disabled{
  cursor:not-allowed;
  opacity:.7;
  transform:none;
}
.btn-block{width:100%; justify-content:center;}

/* ===================== 卡片 ===================== */
.grid{display:grid; gap:22px;}
.cols-2{grid-template-columns:1.35fr 1fr;}
.cols-3{grid-template-columns:repeat(3,1fr);}

.card{padding:32px;}
.card h2{
  font-size:17px; font-weight:600; letter-spacing:.02em;
  color:#f2f7ff; margin-bottom:14px;
  text-shadow:0 1px 12px rgba(120,180,255,.45);
}
.card p{color:var(--muted); font-size:14.5px;}
.card p + p{margin-top:12px;}

.section-title{
  font-size:22px; font-weight:600; letter-spacing:.01em;
  margin:12px 4px 18px;
  text-shadow:0 2px 18px rgba(90,150,255,.5);
}

.stats{
  display:grid; grid-template-columns:1fr 1fr;
  gap:24px 18px; align-content:center;
}
.stat{display:flex; flex-direction:column; gap:2px;}
.stat .num{
  font-size:27px; font-weight:600; line-height:1.2;
  background:linear-gradient(180deg,#ffffff,#8fbaff);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 12px rgba(90,150,255,.5));
}
.stat .lbl{font-size:12.5px; color:var(--muted-2); line-height:1.45;}

.pills{display:flex; flex-wrap:wrap; gap:10px;}
.pill{
  display:inline-flex; align-items:center;
  padding:7px 17px; border-radius:999px;
  font-size:13.5px; color:#cfe0ff;
  background:linear-gradient(150deg, rgba(255,255,255,.075), rgba(255,255,255,.018));
  border:1px solid rgba(160,205,255,.24);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.3),
    0 0 20px -10px rgba(90,160,255,.8);
  transition:background .28s, transform .28s, box-shadow .28s;
}
.pill:hover{
  background:linear-gradient(150deg, rgba(140,190,255,.22), rgba(80,140,255,.07));
  transform:translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.48),
    0 0 26px -8px rgba(90,160,255,1);
}

.work{
  padding:28px; border-radius:26px;
  display:flex; flex-direction:column; gap:10px;
  transition:transform .5s cubic-bezier(.22,1,.36,1);
}
.work:hover{transform:translateY(-5px);}
.work .tag{
  font-size:11.5px; letter-spacing:.16em; text-transform:uppercase;
  color:#8fc0ff; text-shadow:0 0 14px rgba(90,160,255,.9);
}
.work h3{font-size:17px; font-weight:600; color:#f0f6ff;}
.work p{font-size:13.8px; color:var(--muted); line-height:1.62;}

.contact{
  text-align:center; padding:56px 30px;
  display:flex; flex-direction:column; align-items:center; gap:16px;
}
.contact h2{font-size:25px; margin:0;}
.contact p{max-width:430px;}

footer{
  text-align:center; font-size:12.5px; color:#5b6f99;
  padding:42px 0 10px;
}

.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity .95s cubic-bezier(.22,1,.36,1),
             transform .95s cubic-bezier(.22,1,.36,1);
}
.reveal.in{opacity:1; transform:none;}

/* ===================== 登录弹窗 ===================== */
.login-overlay{
  position:fixed; inset:0; z-index:200;
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  background:rgba(2,6,18,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0; visibility:hidden;
  transition:opacity .38s ease, visibility .38s;
}
.login-overlay.open{opacity:1; visibility:visible;}

.login-modal{
  width:100%; max-width:430px;
  padding:42px 38px 34px;
  border-radius:30px;
  position:relative;
  transform:translateY(24px) scale(.96);
  transition:transform .5s cubic-bezier(.22,1,.36,1);
  max-height:calc(100vh - 40px);
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(120,175,255,.4) transparent;
}
.login-modal::-webkit-scrollbar{width:6px;}
.login-modal::-webkit-scrollbar-thumb{
  background:rgba(120,175,255,.35); border-radius:999px;
}
.login-overlay.open .login-modal{transform:none;}

.modal-close{
  position:absolute; top:16px; right:16px;
  width:36px; height:36px; border-radius:50%;
  display:grid; place-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(160,205,255,.2);
  color:#a9bfe0; font-size:20px; line-height:1;
  cursor:pointer; font-family:inherit;
  transition:background .25s, color .25s, transform .25s;
  z-index:5;
}
.modal-close:hover{
  background:rgba(255,120,140,.16);
  color:#ffc4cf;
  transform:rotate(90deg);
}

.modal-head{
  text-align:center; margin-bottom:26px;
  position:relative; z-index:4;
}
.modal-badge{
  width:56px; height:56px; border-radius:50%;
  margin:0 auto 14px;
  display:grid; place-items:center;
  font-size:22px; font-weight:600; color:#f2f8ff;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,255,255,.5), rgba(255,255,255,0) 42%),
    linear-gradient(160deg, rgba(130,185,255,.4), rgba(40,80,190,.3));
  border:1px solid rgba(190,220,255,.5);
  box-shadow:
    inset 0 2px 6px rgba(255,255,255,.5),
    inset 0 -8px 18px rgba(30,80,210,.45),
    0 12px 30px -10px rgba(60,130,255,.85);
  text-shadow:0 2px 12px rgba(140,195,255,.9);
}
.modal-head h2{
  font-size:23px; font-weight:600; letter-spacing:-.01em;
  color:#f2f7ff; margin-bottom:6px;
  text-shadow:0 2px 18px rgba(120,180,255,.5);
}
.modal-head p{
  font-size:13.5px; color:var(--muted-2);
}

.login-form{position:relative; z-index:4;}

.field{display:block; margin-bottom:16px;}
.field-label{
  display:block; font-size:12.5px; color:#9fb4dc;
  margin-bottom:7px; letter-spacing:.03em;
}
.field input{
  width:100%;
  padding:13px 16px;
  border-radius:14px;
  background:linear-gradient(150deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
  border:1px solid rgba(160,205,255,.22);
  color:#eef4ff;
  font-size:15px;
  font-family:inherit;
  outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
  transition:border-color .25s, box-shadow .25s, background .25s;
}
.field input::placeholder{color:#5f739c;}
.field input:focus{
  border-color:rgba(120,180,255,.7);
  background:linear-gradient(150deg, rgba(120,180,255,.12), rgba(80,140,255,.03));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.35),
    0 0 0 3px rgba(74,140,255,.18),
    0 0 26px -8px rgba(90,160,255,.9);
}

.field-wrap{position:relative;}
.field-wrap input{padding-right:50px;}
.toggle-pass{
  position:absolute; right:6px; top:50%;
  transform:translateY(-50%);
  width:38px; height:38px; border-radius:11px;
  display:grid; place-items:center;
  background:transparent; border:none;
  color:#8fa8d0; cursor:pointer;
  transition:background .2s, color .2s;
}
.toggle-pass:hover{background:rgba(255,255,255,.08); color:#fff;}
.toggle-pass .slash{
  opacity:0; transition:opacity .22s;
}
.toggle-pass.visible .slash{opacity:1;}

.form-row{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; margin:4px 0 6px;
  font-size:13px;
}
.check{
  display:inline-flex; align-items:center; gap:8px;
  color:#b3caea; cursor:pointer; user-select:none;
}
.check input{
  appearance:none; -webkit-appearance:none;
  width:17px; height:17px; border-radius:5px;
  border:1px solid rgba(160,205,255,.4);
  background:rgba(255,255,255,.05);
  cursor:pointer; position:relative;
  transition:background .2s, border-color .2s, box-shadow .2s;
}
.check input:checked{
  background:linear-gradient(160deg, rgba(150,195,255,.9), rgba(60,110,235,.9));
  border-color:rgba(190,220,255,.7);
  box-shadow:0 0 14px -2px rgba(90,160,255,.9);
}
.check input:checked::after{
  content:"";
  position:absolute; left:5px; top:1.5px;
  width:4px; height:8px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.link-muted{
  color:#8fa8d0; text-decoration:none;
  transition:color .2s;
}
.link-muted:hover{color:#cfe0ff;}

.form-error{
  min-height:18px;
  font-size:12.5px; color:#ff9db0;
  margin:6px 0 10px;
  letter-spacing:.01em;
}

.form-hint{
  text-align:center; font-size:12px;
  color:#5f739c; margin-top:14px;
  line-height:1.55;
}

/* ============ 多断点响应式 ============ */

@media (min-width:1440px){
  .page{max-width:1180px;}
}

@media (max-width:1100px){
  .page{max-width:100%;}
  .cols-3{grid-template-columns:repeat(2,1fr);}
  .cols-3 .work:last-child{grid-column:1 / -1;}
}

@media (max-width:860px){
  .cols-2,.cols-3{grid-template-columns:1fr;}
  .cols-3 .work:last-child{grid-column:auto;}
  .links{display:none;}
  .hero{padding:46px 22px 42px;}
  .card{padding:26px;}
  .contact{padding:44px 22px;}
  .blob{filter:blur(50px);}
}

@media (max-width:600px){
  body{font-size:14.5px;}
  .page{padding:0 14px 50px;}

  .nav{top:10px;padding:8px 8px 8px 18px;border-radius:22px;gap:10px;}
  .brand{font-size:14px;}
  .login-btn{padding:7px 16px; font-size:13.5px;}
  .user-chip{padding:4px 12px 4px 4px; font-size:13.5px;}
  .user-avatar{width:26px; height:26px; font-size:12px;}
  .user-name{max-width:64px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
  .user-menu{width:220px;}

  .hero{padding:38px 18px 34px;gap:12px;}
  .avatar{width:88px;height:88px;font-size:32px;}
  .hero h1{font-size:clamp(30px,9vw,40px);}
  .role{font-size:12px;letter-spacing:.14em;}
  .desc{font-size:14px;}

  .actions{width:100%;flex-direction:column;}
  .btn{width:100%;justify-content:center;padding:13px 22px;}

  .card{padding:22px 20px;}
  .card h2{font-size:16px;}
  .section-title{font-size:19px;margin-left:2px;}

  .stats{gap:18px 14px;}
  .stat .num{font-size:23px;}
  .pill{font-size:12.5px;padding:6px 14px;}
  .work{padding:22px 20px;}

  .glass{
    backdrop-filter:blur(1px) saturate(180%) brightness(1.18);
    -webkit-backdrop-filter:blur(1px) saturate(180%) brightness(1.18);
  }
  .glass::before{
    padding:12px;
    backdrop-filter:url(#waterRefract) blur(0.5px) saturate(180%);
    -webkit-backdrop-filter:url(#waterRefract) blur(0.5px) saturate(180%);
  }
  .blob{filter:blur(44px);}

  .login-overlay{padding:14px;}
  .login-modal{
    padding:32px 22px 26px;
    border-radius:26px;
    max-height:calc(100vh - 28px);
  }
  .modal-head h2{font-size:20px;}
  .modal-badge{width:50px; height:50px; font-size:20px; margin-bottom:12px;}
  .modal-close{top:12px; right:12px; width:32px; height:32px; font-size:18px;}
  .field input{padding:12px 14px; font-size:15px;}
}

@media (max-width:380px){
  .page{padding:0 10px 40px;}
  .hero{padding:32px 14px 30px;}
  .avatar{width:76px;height:76px;font-size:28px;}
  .hero h1{font-size:28px;}
  .stats{grid-template-columns:1fr;}
  .card{padding:18px 16px;}
  .login-modal{padding:28px 18px 22px;}
  .form-row{font-size:12.5px;}
}

@media (max-height:500px) and (orientation:landscape){
  .nav{position:relative;top:0;}
  .hero{padding:26px 20px 24px;}
  .avatar{width:64px;height:64px;font-size:24px;}
  .hero h1{font-size:28px;}
  .desc{display:none;}
  .actions{flex-direction:row;}
  .btn{width:auto;}
  .login-modal{max-height:calc(100vh - 20px); padding:24px 26px;}
  .modal-badge{display:none;}
  .modal-head{margin-bottom:16px;}
}

@supports (padding:env(safe-area-inset-left)){
  .page{
    padding-left:max(22px, env(safe-area-inset-left));
    padding-right:max(22px, env(safe-area-inset-right));
  }
  @media (max-width:600px){
    .page{
      padding-left:max(14px, env(safe-area-inset-left));
      padding-right:max(14px, env(safe-area-inset-right));
      padding-bottom:max(50px, env(safe-area-inset-bottom));
    }
    .login-overlay{
      padding-left:max(14px, env(safe-area-inset-left));
      padding-right:max(14px, env(safe-area-inset-right));
      padding-bottom:max(14px, env(safe-area-inset-bottom));
    }
  }
}

@media (hover:none){
  .glass::after{display:none;}
  .work:hover{transform:none;}
  .btn:hover{transform:none;}
  .login-btn:hover{transform:none;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;}
  .reveal{opacity:1; transform:none; transition:none;}
  .login-overlay,.login-modal{transition:none;}
}