:root {
  color-scheme: dark;
  --ink: #f5f9fc;
  --muted: #8da3b8;
  --muted-strong: #bdcad5;
  --navy-1000: #01070d;
  --navy-950: #020c16;
  --navy-900: #041523;
  --navy-850: #061c30;
  --panel: rgba(7, 25, 42, 0.76);
  --line: rgba(131, 176, 208, 0.17);
  --line-strong: rgba(143, 202, 229, 0.34);
  --cyan: #18d0df;
  --cyan-soft: #9aedf2;
  --blue: #5b9dff;
  --positive: #61d6b3;
  --warning: #efcb7b;
  --negative: #ff97a4;
  --focus: #a6eff7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--navy-1000);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; min-width: 320px; min-height: 100vh; overflow-x: hidden; background: var(--navy-1000); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 14px clamp(14px, 2vw, 30px) auto;
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 9px clamp(14px, 2.8vw, 40px);
  border: 1px solid rgba(139, 196, 224, 0.15);
  border-radius: 20px;
  background: rgba(2, 12, 21, 0.72);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .2), inset 0 1px 0 rgba(255, 255, 255, .035);
  backdrop-filter: blur(24px) saturate(125%);
}
.brand-lockup { width: fit-content; display: flex; align-items: center; gap: 12px; }
.brand-lockup img { border: 1px solid rgba(130, 223, 233, 0.13); border-radius: 13px; box-shadow: 0 0 32px rgba(20, 192, 216, 0.14); }
.brand-lockup span { display: grid; gap: 1px; }
.brand-lockup strong { font-size: .9rem; letter-spacing: .1em; text-transform: uppercase; }
.brand-lockup small { color: var(--muted); font-size: .66rem; letter-spacing: .045em; }
.site-nav { display: flex; align-items: center; gap: clamp(17px, 2.3vw, 35px); color: var(--muted-strong); font-size: .76rem; }
.site-nav a { transition: color 160ms ease, border-color 160ms ease, background 160ms ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-access { padding: 8px 14px; border: 1px solid rgba(139, 231, 239, .28); border-radius: 999px; background: rgba(24, 208, 223, .06); color: var(--ink); }
.site-nav .nav-access:hover { border-color: var(--cyan); background: rgba(22, 198, 217, .12); }
.login-language { justify-self: end; display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(7, 26, 45, .7); }
.login-language > span { padding: 0 7px 0 10px; color: var(--muted); font-size: .68rem; }
.login-language button { min-width: 35px; min-height: 29px; padding: 4px 8px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: .69rem; }
.login-language button.active { background: rgba(124, 228, 239, .14); color: var(--cyan-soft); }

.login-page { min-height: 100vh; background: var(--navy-1000); }
.hero-section {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(390px, .72fr);
  align-items: center;
  gap: clamp(52px, 7vw, 112px);
  padding: 124px clamp(24px, 7vw, 116px) 142px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 22%, rgba(26, 196, 218, .17), transparent 28%),
    radial-gradient(circle at 9% 78%, rgba(76, 159, 255, .1), transparent 30%),
    linear-gradient(122deg, #01070d 0%, #031321 50%, #072039 100%);
}
.hero-grid { position: absolute; z-index: -3; inset: -12%; opacity: .36; transform: rotate(-4deg); background-image: linear-gradient(rgba(127, 182, 217, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(127, 182, 217, .04) 1px, transparent 1px); background-size: 78px 78px; mask-image: radial-gradient(circle at 28% 44%, black, transparent 65%); }
.hero-orbit { position: absolute; z-index: -2; width: min(61vw, 880px); aspect-ratio: 1; right: -17vw; top: -7vh; border: 1px solid rgba(89, 190, 219, .12); border-radius: 50%; box-shadow: 0 0 0 88px rgba(57, 145, 188, .026), 0 0 0 184px rgba(57, 145, 188, .018), inset 0 0 120px rgba(17, 162, 197, .025); }
.hero-signal { position: absolute; z-index: -1; inset: auto -2% 42px -2%; width: 104%; height: 210px; opacity: .72; pointer-events: none; }
.hero-signal__glow, .hero-signal__line { fill: none; vector-effect: non-scaling-stroke; }
.hero-signal__glow { stroke: url(#signal-gradient); stroke-width: 18; opacity: .13; filter: blur(8px); }
.hero-signal__line { stroke: url(#signal-gradient); stroke-width: 1.5; stroke-linecap: round; stroke-dasharray: 9 13; animation: signal-flow 18s linear infinite; }
@keyframes signal-flow { to { stroke-dashoffset: -440; } }
.hero-copy { position: relative; z-index: 1; max-width: 760px; }
.hero-mark { width: 92px; height: 92px; margin-bottom: 29px; overflow: hidden; border: 1px solid rgba(107, 216, 232, .2); border-radius: 27px; box-shadow: 0 24px 90px rgba(0, 175, 204, .18), inset 0 1px 0 rgba(255, 255, 255, .05); transform: rotate(-2deg); }
.hero-mark img { width: 100%; height: 100%; object-fit: cover; }
.eyebrow, .section-kicker, .card-kicker { margin: 0 0 17px; color: var(--cyan-soft); font-size: .69rem; font-weight: 760; letter-spacing: .17em; text-transform: uppercase; }
.hero-copy h1 { max-width: 760px; margin: 0; font-size: clamp(3rem, 5.1vw, 5.75rem); font-weight: 560; letter-spacing: -.062em; line-height: .96; text-wrap: balance; }
.hero-description { max-width: 690px; margin: 25px 0 0; color: var(--muted-strong); font-size: clamp(1rem, 1.35vw, 1.14rem); line-height: 1.72; }
.trust-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.trust-line span { padding: 8px 11px; border: 1px solid rgba(139, 196, 224, .14); border-radius: 999px; background: rgba(8, 31, 51, .38); color: var(--muted-strong); font-size: .68rem; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); }

.research-dossier { position: relative; z-index: 1; width: 100%; padding: clamp(24px, 3vw, 35px); border: 1px solid rgba(143, 202, 229, .25); border-radius: 28px 28px 72px 28px; background: radial-gradient(circle at 0 0, rgba(24, 208, 223, .08), transparent 35%), linear-gradient(145deg, rgba(9, 31, 51, .88), rgba(3, 16, 28, .94)); box-shadow: 0 40px 130px rgba(0, 0, 0, .26), inset 0 1px 0 rgba(255, 255, 255, .04); backdrop-filter: blur(20px); }
.research-dossier::before { content: ''; position: absolute; inset: -1px auto auto 28px; width: 86px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); box-shadow: 0 0 16px rgba(22, 198, 217, .65); }
.dossier-topline, .dossier-title, .dossier-state, .dossier-ledger > div, .dossier-foot { display: flex; align-items: center; }
.dossier-topline { justify-content: space-between; gap: 20px; color: var(--muted); font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; }
.dossier-topline em { color: rgba(173, 202, 222, .46); font-style: normal; }
.dossier-title { justify-content: space-between; gap: 24px; margin-top: 39px; }
.dossier-title small { color: var(--muted); font-size: .6rem; letter-spacing: .14em; }
.dossier-title h2 { margin: 7px 0 0; font-size: clamp(1.55rem, 2.5vw, 2.25rem); font-weight: 550; letter-spacing: -.035em; }
.dossier-title > span { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--cyan-soft); font-size: .72rem; }
.dossier-state { gap: 10px; margin-top: 24px; padding: 12px 0 20px; border-bottom: 1px solid var(--line); color: var(--warning); font-size: .75rem; }
.dossier-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--warning); box-shadow: 0 0 0 5px rgba(239, 203, 123, .07); }
.dossier-state[data-state="qualified"] { color: var(--positive); }
.dossier-state[data-state="qualified"] i { background: var(--positive); box-shadow: 0 0 0 5px rgba(97, 214, 179, .07); }
.dossier-ledger { margin: 9px 0 0; }
.dossier-ledger > div { justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid rgba(131, 176, 208, .1); }
.dossier-ledger dt { color: var(--muted); font-size: .72rem; }
.dossier-ledger dd { margin: 0; font-size: .69rem; font-weight: 730; letter-spacing: .04em; text-transform: uppercase; }
.dossier-ledger dd[data-state="building"] { color: var(--warning); }
.dossier-ledger dd[data-state="qualified"] { color: var(--positive); }
.dossier-ledger dd[data-state="locked"] { color: var(--muted-strong); }
.dossier-ledger dd[data-state="pending"] { color: var(--muted); }
.dossier-foot { align-items: flex-end; justify-content: space-between; gap: 22px; margin-top: 25px; }
.dossier-foot span { max-width: 220px; color: var(--muted); font-size: .66rem; line-height: 1.5; }
.dossier-foot strong { color: rgba(255, 151, 164, .8); font-size: .57rem; letter-spacing: .1em; text-align: right; }
.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 20px; width: min(560px, calc(100% - 40px)); transform: translateX(-50%); display: grid; justify-items: center; gap: 6px; color: var(--muted-strong); text-align: center; }
.scroll-cue__label { font-size: .67rem; font-weight: 720; letter-spacing: .12em; text-transform: uppercase; }
.scroll-cue__track { display: grid; justify-items: center; gap: 0; height: 33px; }
.scroll-cue__track i { width: 10px; height: 10px; margin-top: -3px; border-right: 1px solid var(--cyan); border-bottom: 1px solid var(--cyan); transform: rotate(45deg); opacity: .2; animation: scroll-chevron 1.8s ease-in-out infinite; }
.scroll-cue__track i:nth-child(2) { animation-delay: .18s; }
.scroll-cue__track i:nth-child(3) { animation-delay: .36s; }
.scroll-cue small { color: var(--muted); font-size: .61rem; letter-spacing: .055em; }
@keyframes scroll-chevron { 0%, 70%, 100% { opacity: .18; transform: translateY(-2px) rotate(45deg); } 35% { opacity: 1; transform: translateY(3px) rotate(45deg); } }

.research-section, .standards-section, .free-tools-section { position: relative; scroll-margin-top: 92px; padding: clamp(94px, 12vw, 166px) clamp(24px, 7vw, 116px); }
.research-section { margin-top: -18px; border-radius: 46px 46px 0 0; background: radial-gradient(circle at 15% 28%, rgba(24, 208, 223, .07), transparent 24%), linear-gradient(180deg, #051522, #071b2d 56%, #04121f); box-shadow: 0 -30px 80px rgba(0, 0, 0, .22); }
.section-heading { max-width: 1240px; margin: 0 auto 58px; }
.section-heading h2 { max-width: 940px; margin: 0; font-size: clamp(2.25rem, 4.7vw, 4.85rem); font-weight: 550; letter-spacing: -.052em; line-height: 1.03; text-wrap: balance; }
.section-heading > p:last-child { max-width: 750px; margin: 24px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.75; }
.research-system { max-width: 1240px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(400px, .92fr); align-items: start; gap: clamp(30px, 4.8vw, 68px); margin: 0 auto; }
.research-system__core { position: sticky; top: 106px; min-height: 650px; display: flex; flex-direction: column; }
.research-system__core .research-flow { margin-top: auto; padding-top: 48px; }
.research-system__rail { position: relative; display: grid; gap: 18px; padding-left: 36px; }
.research-system__rail::before { content: ''; position: absolute; left: 8px; top: 34px; bottom: 34px; width: 1px; background: linear-gradient(180deg, rgba(24, 208, 223, .12), rgba(24, 208, 223, .8) 45%, rgba(91, 157, 255, .18)); box-shadow: 0 0 18px rgba(24, 208, 223, .22); }
.research-system__rail > * { position: relative; }
.research-system__rail > *::after { content: ''; position: absolute; left: -34px; top: 34px; width: 9px; height: 9px; border: 2px solid #071b2d; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(24, 208, 223, .1), 0 0 18px rgba(24, 208, 223, .5); }
.feature-card { min-height: 390px; padding: clamp(27px, 3.5vw, 42px); border: 1px solid rgba(131, 176, 208, .16); border-radius: 28px; background: linear-gradient(145deg, rgba(9, 31, 51, .78), rgba(4, 18, 31, .88)); box-shadow: 0 28px 90px rgba(0, 0, 0, .16), inset 0 1px 0 rgba(255, 255, 255, .025); transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(143, 202, 229, .3); box-shadow: 0 34px 100px rgba(0, 0, 0, .23), inset 0 1px 0 rgba(255, 255, 255, .035); }
.feature-card--lab { min-height: 440px; border-radius: 28px 72px 28px 28px; background: radial-gradient(circle at 85% 15%, rgba(24, 199, 217, .11), transparent 34%), linear-gradient(145deg, rgba(10, 36, 58, .9), rgba(4, 18, 31, .93)); }
.research-system__satellite { min-height: 0; padding: clamp(26px, 2.8vw, 34px); }
.feature-card--selection { border-radius: 28px 28px 28px 56px; }
.feature-card--ashare { border-radius: 28px 56px 28px 28px; border-color: rgba(224, 113, 94, .22); background: radial-gradient(circle at 95% 0%, rgba(214, 87, 70, .1), transparent 35%), linear-gradient(145deg, rgba(9, 31, 51, .8), rgba(4, 18, 31, .9)); }
.feature-card--automation { border-radius: 28px 56px 28px 28px; background: radial-gradient(circle at 95% 0%, rgba(76, 159, 255, .11), transparent 35%), linear-gradient(145deg, rgba(9, 31, 51, .8), rgba(4, 18, 31, .9)); }
.feature-index { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.feature-index span { color: rgba(145, 189, 218, .35); font-size: .74rem; }
.feature-index em { color: var(--muted); font-size: .6rem; font-style: normal; letter-spacing: .13em; }
.card-kicker { margin-top: clamp(55px, 8vw, 100px); }
.feature-card:not(.feature-card--lab) .card-kicker { margin-top: 72px; }
.research-system__satellite .card-kicker { margin-top: 36px; }
.feature-card h3 { max-width: 800px; margin: 0; font-size: clamp(1.7rem, 3.1vw, 3.15rem); font-weight: 550; letter-spacing: -.04em; line-height: 1.08; text-wrap: balance; }
.research-system__satellite h3 { font-size: clamp(1.55rem, 2.1vw, 2.15rem); }
.feature-card > p:not(.card-kicker):not(.truth-note) { max-width: 820px; margin: 20px 0 0; color: var(--muted); font-size: .92rem; line-height: 1.75; }
.research-flow, .authority-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 34px; }
.research-flow span, .authority-chain span { padding: 8px 11px; border: 1px solid var(--line); background: rgba(2, 14, 24, .42); color: var(--muted-strong); font-size: .69rem; }
.research-flow i, .authority-chain b { color: var(--cyan); font-size: .75rem; font-style: normal; font-weight: 500; }
.truth-note { margin: 27px 0 0; padding: 16px 17px; border-left: 2px solid var(--warning); background: rgba(239, 203, 123, .045); color: #b7ad91; font-size: .72rem; line-height: 1.65; }
.automation-list { display: grid; gap: 10px; margin: 28px 0 0; padding: 0; list-style: none; }
.automation-list li { position: relative; padding-left: 17px; color: var(--muted-strong); font-size: .76rem; }
.automation-list li::before { content: ''; position: absolute; left: 0; top: .55em; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.ashare-mini-ledger { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.ashare-mini-ledger span { padding: 7px 9px; border: 1px solid rgba(224, 113, 94, .2); background: rgba(214, 87, 70, .045); color: #e9b4aa; font-size: .68rem; }

.standards-section { overflow: hidden; border-top: 1px solid var(--line); background: radial-gradient(circle at 86% 18%, rgba(76, 159, 255, .07), transparent 25%), #020d17; }
.section-heading--split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: end; gap: clamp(40px, 8vw, 120px); }
.section-heading--split > p:last-child { margin: 0; }
.standard-grid { max-width: 1240px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0 auto; }
.standard-grid article { min-height: 290px; padding: 28px; border: 1px solid rgba(131, 176, 208, .14); border-radius: 24px; background: linear-gradient(155deg, rgba(8, 31, 50, .88), rgba(4, 18, 30, .94)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); }
.standard-grid article:nth-child(even) { transform: translateY(24px); }
.standard-grid article > span { color: var(--cyan); font-size: .66rem; }
.standard-grid h3 { margin: 62px 0 14px; font-size: 1.06rem; font-weight: 580; line-height: 1.3; }
.standard-grid p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.68; }

.free-tools-section { background: radial-gradient(circle at 12% 82%, rgba(24, 208, 223, .06), transparent 25%), linear-gradient(180deg, #061725, #04121e); }
.tool-grid { max-width: 1240px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0 auto; }
.tool-grid article { min-height: 315px; padding: 30px; border: 1px solid rgba(131, 176, 208, .15); border-radius: 28px; background: linear-gradient(150deg, rgba(7, 29, 48, .86), rgba(4, 18, 30, .9)); box-shadow: 0 24px 80px rgba(0, 0, 0, .14), inset 0 1px 0 rgba(255, 255, 255, .025); transition: transform 220ms ease, border-color 220ms ease; }
.tool-grid article:nth-child(2) { border-radius: 64px 28px 64px 28px; }
.tool-grid article:hover { transform: translateY(-5px); border-color: rgba(139, 231, 239, .3); }
.tool-grid article > div { display: flex; align-items: center; justify-content: space-between; }
.tool-grid em { color: rgba(145, 189, 218, .32); font-size: .7rem; font-style: normal; }
.free-badge { padding: 5px 8px; border: 1px solid rgba(97, 214, 179, .27); border-radius: 999px; background: rgba(97, 214, 179, .06); color: #89dfc4; font-size: .58rem; font-weight: 760; letter-spacing: .1em; }
.tool-grid h3 { margin: 75px 0 15px; font-size: clamp(1.25rem, 2vw, 1.7rem); font-weight: 570; letter-spacing: -.025em; line-height: 1.18; }
.tool-grid p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.68; }

.login-panel { width: 100%; padding: clamp(27px, 3.2vw, 40px); border: 1px solid rgba(159, 218, 237, .27); border-radius: 30px; background: linear-gradient(145deg, rgba(11, 38, 61, .82), rgba(4, 18, 31, .88)); box-shadow: 0 42px 120px rgba(0, 0, 0, .36), inset 0 1px 0 rgba(255, 255, 255, .055); backdrop-filter: blur(26px) saturate(130%); }
.login-panel--hero { position: relative; z-index: 1; max-width: 480px; justify-self: end; overflow: hidden; }
.login-panel--hero::before { content: ''; position: absolute; inset: -1px auto auto 34px; width: 96px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); box-shadow: 0 0 18px rgba(22, 198, 217, .72); }
.login-panel__glow { position: absolute; z-index: -1; width: 210px; height: 210px; top: -105px; right: -70px; border-radius: 50%; background: rgba(24, 208, 223, .12); filter: blur(42px); }
.panel-kicker { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; color: var(--muted-strong); font-size: .7rem; letter-spacing: .09em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--positive); box-shadow: 0 0 0 5px rgba(81, 209, 170, .08), 0 0 18px rgba(81, 209, 170, .55); }
.login-panel h2 { margin: 0; font-size: clamp(1.65rem, 2.2vw, 2.1rem); font-weight: 590; letter-spacing: -.025em; }
.login-panel > h2 + p { margin: 10px 0 24px; color: var(--muted); font-size: .84rem; line-height: 1.55; }
.login-field { display: grid; gap: 8px; margin-top: 15px; }
.login-field label { color: var(--muted-strong); font-size: .73rem; }
.login-field input { width: 100%; min-width: 0; height: 50px; padding: 11px 14px; border: 1px solid rgba(131, 176, 208, .18); border-radius: 13px; background: rgba(2, 13, 23, .58); color: var(--ink); transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.login-field input:hover { border-color: var(--line-strong); }
.login-field input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(22, 198, 217, .08); }
.login-error { display: none; margin: 13px 0 0; color: var(--negative); font-size: .78rem; }
.login-error.visible { display: block; }
.hero-error { max-width: 430px; }
.login-submit, .guest-submit { min-height: 51px; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 11px 17px; border-radius: 13px; font-weight: 740; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease; }
.login-submit { width: 100%; margin-top: 20px; border: 1px solid var(--cyan-soft); background: linear-gradient(105deg, #a8f0f3, #39c7da 58%, #58a7ff); color: #03131e; box-shadow: 0 12px 34px rgba(24, 208, 223, .16); }
.access-divider { display: flex; align-items: center; gap: 13px; margin: 21px 0; color: var(--muted); font-size: .67rem; }
.access-divider::before, .access-divider::after { content: ''; height: 1px; flex: 1; background: var(--line); }
.access-divider span { flex: 0 1 auto; text-align: center; }
.guest-submit { width: 100%; border: 1px solid rgba(159, 218, 237, .26); background: rgba(4, 18, 31, .35); color: var(--ink); }
.guest-submit:hover { border-color: var(--cyan); background: rgba(22, 198, 217, .07); }
.login-submit:hover, .guest-submit:hover { transform: translateY(-1px); }
.login-submit[aria-busy="true"], .guest-submit[aria-busy="true"] { opacity: .72; cursor: progress; }
.login-submit:disabled, .guest-submit:disabled { cursor: not-allowed; opacity: .6; transform: none; }
.login-panel .guest-note { margin: 17px 0 0; color: var(--muted); font-size: .69rem; line-height: 1.5; }
.site-footer { display: flex; justify-content: space-between; gap: 30px; padding: 24px clamp(24px, 7vw, 116px); border-top: 1px solid var(--line); background: #01070d; color: var(--muted); font-size: .7rem; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero-section { grid-template-columns: 1fr; gap: 56px; padding-top: 125px; padding-bottom: 145px; }
  .login-panel--hero { order: -1; width: min(100%, 620px); max-width: none; justify-self: stretch; }
  .hero-copy { max-width: 800px; }
  .research-system { grid-template-columns: 1fr; gap: 24px; }
  .research-system__core { position: static; min-height: 520px; }
  .standard-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-grid article { min-height: 245px; }
  .tool-grid h3 { margin-top: 50px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 68px; }
  .site-header { inset: 8px 9px auto; min-height: 62px; padding: 8px 11px; border-radius: 17px; }
  .brand-lockup img { width: 38px; height: 38px; }
  .brand-lockup small, .login-language > span { display: none; }
  .login-language { padding: 2px; }
  .hero-section { min-height: auto; padding: 98px 20px 138px; }
  .hero-mark { width: 72px; height: 72px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 13vw, 4.35rem); }
  .research-dossier { padding: 23px 20px; border-radius: 23px 23px 48px 23px; }
  .dossier-title { align-items: flex-start; }
  .dossier-foot { align-items: flex-start; flex-direction: column; }
  .dossier-foot strong { text-align: left; }
  .research-section, .standards-section, .free-tools-section { padding-left: 20px; padding-right: 20px; }
  .research-system__rail { padding-left: 29px; }
  .research-system__rail::before { left: 5px; }
  .research-system__rail > *::after { left: -29px; }
  .feature-card { min-height: 0; }
  .section-heading--split { grid-template-columns: 1fr; align-items: start; gap: 28px; }
  .standard-grid { grid-template-columns: 1fr; }
  .standard-grid article:nth-child(even) { transform: none; }
  .standard-grid article { min-height: 230px; }
  .standard-grid h3 { margin-top: 45px; }
  .scroll-cue small { max-width: 270px; line-height: 1.4; }
  .site-footer { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue__track i { animation: none; opacity: .72; }
  .hero-signal__line { animation: none; }
  .feature-card, .tool-grid article { transition: none; }
  .login-submit, .guest-submit { transition: none; }
}