/* Crisp project UI rendered independently from the cinematic background. */
html,
body,
button,
input {
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.bg-image {
  filter: none;
  image-rendering: auto;
}

.clarity-overlay {
  background:
    linear-gradient(90deg, rgba(1, 7, 28, .1) 0%, transparent 46%),
    radial-gradient(circle at 22% 42%, rgba(30, 93, 190, .06), transparent 34%),
    radial-gradient(circle at 76% 40%, rgba(71, 68, 255, .04), transparent 31%);
  mix-blend-mode: normal;
}

.brand-lockup {
  position: fixed;
  left: 6.2%;
  top: 5.6%;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.2vw, 24px);
  color: #f5fbff;
  contain: layout paint style;
  isolation: isolate;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.brand-mark {
  width: clamp(52px, 4.15vw, 80px);
  aspect-ratio: 1;
  display: block;
  filter: none;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: clamp(8px, .7vw, 14px);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(5px, .48vw, 9px);
}

.brand-copy strong {
  font-size: clamp(25px, 2.08vw, 40px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: .13em;
  color: #fff;
  text-shadow: 0 2px 14px rgba(57, 116, 255, .24);
}

.brand-copy small {
  font: 600 clamp(9px, .72vw, 14px)/1.2 "Segoe UI", Arial, sans-serif;
  letter-spacing: .25em;
  color: rgba(197, 220, 247, .86);
}

.login-form {
  position: fixed;
  left: 6.2%;
  top: 21.8%;
  z-index: 20;
  width: clamp(390px, 29.4vw, 565px);
  padding: clamp(25px, 2.2vw, 42px) clamp(27px, 2.35vw, 45px) clamp(22px, 1.8vw, 35px);
  overflow: hidden;
  border: 1px solid rgba(102, 188, 255, .46);
  border-radius: clamp(18px, 1.45vw, 28px);
  color: #f4f9ff;
  background:
    linear-gradient(145deg, rgba(8, 24, 64, .97), rgba(6, 13, 48, .965)),
    radial-gradient(circle at 15% 0%, rgba(44, 155, 255, .17), transparent 42%);
  box-shadow:
    0 24px 70px rgba(0, 4, 28, .44),
    0 0 32px rgba(46, 124, 255, .17),
    inset 0 1px 0 rgba(204, 239, 255, .14);
  contain: layout paint style;
  isolation: isolate;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: auto;
}

.brand-lockup,
.brand-lockup *,
.login-form,
.login-form::before {
  animation-name: none;
}

.login-form::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, rgba(40, 203, 255, .035), transparent 42%, rgba(139, 60, 255, .05));
  pointer-events: none;
}

.form-accent {
  position: absolute;
  left: 11%;
  right: 11%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #3ce6ff 28%, #696dff 66%, transparent);
  box-shadow: 0 0 14px rgba(62, 205, 255, .58);
}

.form-kicker {
  margin: 0 0 clamp(8px, .65vw, 12px);
  color: #65deff;
  font: 700 clamp(9px, .62vw, 12px)/1 "Segoe UI", Arial, sans-serif;
  letter-spacing: .24em;
}

.login-form h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(26px, 1.72vw, 33px);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: .04em;
}

.form-lead {
  margin: clamp(7px, .55vw, 11px) 0 clamp(20px, 1.45vw, 28px);
  color: rgba(201, 219, 244, .78);
  font-size: clamp(12px, .78vw, 15px);
  line-height: 1.5;
}

.field-label {
  display: block;
  margin: 0 0 8px;
  color: rgba(223, 237, 255, .88);
  font-size: clamp(12px, .72vw, 14px);
  font-weight: 600;
}

.input-shell {
  position: relative;
  display: flex;
  align-items: center;
  height: clamp(48px, 3.8vw, 62px);
  margin-bottom: clamp(14px, 1vw, 19px);
  border: 1px solid rgba(117, 163, 224, .34);
  border-radius: clamp(11px, .8vw, 15px);
  background: rgba(4, 14, 44, .72);
  box-shadow: inset 0 1px 12px rgba(0, 4, 23, .24);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.input-shell:focus-within {
  border-color: rgba(81, 222, 255, .82);
  background: rgba(6, 19, 55, .94);
  box-shadow: 0 0 0 1px rgba(75, 140, 255, .16), 0 0 24px rgba(38, 147, 255, .17);
}

.input-icon {
  position: relative;
  flex: 0 0 clamp(45px, 3.25vw, 60px);
  height: 100%;
  color: #83ccff;
  opacity: .86;
}

.account-icon::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 29%;
  width: 10px;
  height: 10px;
  border: 1.6px solid currentColor;
  border-radius: 50%;
  transform: translateX(-50%);
}

.account-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 24%;
  width: 18px;
  height: 10px;
  border: 1.6px solid currentColor;
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  transform: translateX(-50%);
}

.lock-icon::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 43%;
  width: 16px;
  height: 14px;
  border: 1.6px solid currentColor;
  border-radius: 3px;
  transform: translateX(-50%);
}

.lock-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 23%;
  width: 10px;
  height: 13px;
  border: 1.6px solid currentColor;
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  transform: translateX(-50%);
}

.login-input {
  position: static;
  flex: 1;
  align-self: stretch;
  min-width: 0;
  width: auto;
  height: auto;
  box-sizing: border-box;
  border: 0;
  outline: 0;
  padding: 0 clamp(13px, 1vw, 18px) 0 0;
  color: #f2f8ff;
  background: transparent;
  caret-color: #65e4ff;
  font-size: clamp(14px, .88vw, 17px);
  font-weight: 520;
  line-height: normal;
}

.login-input::placeholder { color: rgba(160, 185, 220, .6); opacity: 1; }

.login-input:-webkit-autofill,
.login-input:-webkit-autofill:hover,
.login-input:-webkit-autofill:focus {
  -webkit-text-fill-color: #f2f8ff;
  -webkit-box-shadow: 0 0 0 1000px #07163b inset;
  border-radius: 0 12px 12px 0;
  transition: background-color 9999s ease-out;
}

.password-toggle {
  position: relative;
  flex: 0 0 clamp(42px, 3vw, 54px);
  align-self: stretch;
  width: auto;
  height: auto;
  border: 0;
  padding: 0;
  color: rgba(177, 213, 246, .72);
  background: transparent;
  cursor: pointer;
  transition: color .2s ease, filter .2s ease;
}

.password-toggle::before,
.password-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.password-toggle::before {
  width: 20px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.password-toggle::after {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 7px currentColor;
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: #7beaff;
  filter: drop-shadow(0 0 7px rgba(91, 109, 255, .72));
  outline: 0;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -1px 1px clamp(17px, 1.25vw, 24px);
}

.remember-row {
  position: static;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 20px;
  color: rgba(207, 225, 247, .78);
  font-size: clamp(11px, .68vw, 13px);
  font-weight: 500;
  cursor: pointer;
}

.remember-row input {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: #6377ff;
}

.security-note {
  color: rgba(139, 173, 213, .58);
  font-size: clamp(10px, .62vw, 12px);
}

.security-note::before {
  content: "●";
  margin-right: 6px;
  color: #4ddcb7;
  font-size: .72em;
  text-shadow: 0 0 7px rgba(70, 226, 184, .65);
}

.login-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: clamp(50px, 3.8vw, 62px);
  border: 1px solid rgba(158, 225, 255, .72);
  border-radius: clamp(12px, .85vw, 16px);
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(108deg, #13bdf3 0%, #357cff 46%, #a742f3 100%);
  box-shadow: 0 10px 26px rgba(18, 91, 229, .28), 0 0 22px rgba(80, 111, 255, .18), inset 0 1px 0 rgba(255, 255, 255, .28);
  cursor: pointer;
  font-size: clamp(15px, .95vw, 18px);
  font-weight: 700;
  letter-spacing: .12em;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.login-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, .25) 47%, transparent 73%);
  transform: translateX(-110%);
  transition: transform .55s ease;
}

.login-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(18, 91, 229, .34), 0 0 31px rgba(113, 65, 255, .24), inset 0 1px 0 rgba(255, 255, 255, .32);
  filter: saturate(1.08) brightness(1.06);
}

.login-submit:hover:not(:disabled)::before { transform: translateX(110%); }
.login-submit:focus-visible { outline: 2px solid #85edff; outline-offset: 3px; }
.login-submit:disabled { cursor: wait; filter: saturate(.7); }
.submit-label { position: relative; opacity: 1; }
.submit-arrow { position: relative; margin-left: 3px; font-size: 1.25em; transition: transform .2s ease; }
.login-submit:hover .submit-arrow { transform: translateX(3px); }

.submit-spinner {
  position: relative;
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: submit-spin .75s linear infinite;
}

.login-submit.is-loading .submit-spinner { display: inline-block; }

@keyframes submit-spin { to { transform: rotate(360deg); } }

.login-message {
  min-height: 20px;
  margin: clamp(10px, .75vw, 14px) 0 -5px;
  color: #74e9ff;
  font-size: clamp(11px, .68vw, 13px);
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.login-message.error {
  color: #ff91ae;
  text-shadow: 0 0 9px rgba(255, 72, 124, .28);
}

.dynamic-area { width: 56%; }
.network { opacity: .34; }
#particleCanvas { opacity: .54; }
.phone-glow { opacity: .42; }

.feature-bar {
  left: 4.2%;
  right: 4.2%;
  bottom: 3.2%;
  height: clamp(66px, 8.2vh, 90px);
  padding: 0 .9%;
  border: 1px solid rgba(95, 156, 255, .52);
  border-radius: clamp(18px, 1.35vw, 26px);
  overflow: visible;
  background: linear-gradient(180deg, rgba(9, 27, 73, .92), rgba(6, 18, 57, .94));
  box-shadow: 0 18px 46px rgba(0, 4, 29, .4), 0 0 25px rgba(44, 105, 255, .14), inset 0 1px 0 rgba(174, 225, 255, .16);
  backdrop-filter: blur(14px) saturate(1.05);
}

.feature-item {
  border: 0;
  margin: 0;
  padding: 0;
  color: rgba(231, 243, 255, .9);
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  font-size: clamp(13px, .94vw, 18px);
  font-weight: 600;
  text-shadow: none;
}

.feature-item:hover,
.feature-item:focus-visible {
  transform: translateY(-3px) scale(1.045);
  color: #fff;
  background: linear-gradient(180deg, rgba(38, 129, 255, .16), rgba(107, 52, 214, .13));
  box-shadow: 0 0 20px rgba(46, 151, 255, .2), inset 0 0 0 1px rgba(134, 194, 255, .12);
}

.feature-item:focus-visible { outline: 2px solid rgba(107, 229, 255, .9); outline-offset: 3px; }

.feature-icon {
  width: clamp(29px, 2.05vw, 39px);
  min-width: 29px;
  color: #83e4ff;
  background: rgba(22, 66, 145, .3);
  box-shadow: 0 0 12px rgba(47, 159, 255, .18), inset 0 0 8px rgba(81, 120, 255, .08);
}

.visual-toast {
  position: absolute;
  left: 50%;
  bottom: 12.6%;
  z-index: 30;
  transform: translate(-50%, 12px);
  padding: .65em 1.1em;
  border: 1px solid rgba(109, 218, 255, .32);
  border-radius: 999px;
  color: rgba(228, 246, 255, .96);
  background: rgba(5, 13, 45, .9);
  box-shadow: 0 0 24px rgba(71, 99, 255, .2);
  backdrop-filter: blur(10px);
  font-size: clamp(11px, .72vw, 14px);
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}

.visual-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1100px) {
  .brand-lockup { left: 4.5%; top: 4.5%; }
  .login-form { left: 4.5%; top: 19%; width: clamp(350px, 34vw, 420px); padding: 24px 28px 22px; }
  .form-lead { margin-bottom: 18px; }
  .input-shell { height: 50px; margin-bottom: 13px; }
  .login-submit { height: 51px; }
  .feature-bar { left: 3.2%; right: 3.2%; }
  .feature-item { gap: 6px; font-size: 12px; }
  .feature-icon { min-width: 26px; width: 26px; }
}

@media (max-width: 760px) {
  .brand-lockup { top: 3.5%; }
  .brand-copy strong { font-size: 22px; }
  .brand-copy small { letter-spacing: .14em; }
  .login-form { top: 17%; width: 43%; min-width: 320px; }
  .security-note { display: none; }
  .dynamic-area { width: 61%; opacity: .78; }
  .feature-item { flex-direction: column; gap: 3px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .login-submit,
  .visual-toast { transition: none; }
  .submit-spinner { animation-duration: 1.5s; }
}