:root {
  --srm-night: #081a2c;
  --srm-navy: #0d2940;
  --srm-blue: #174f70;
  --srm-teal: #1d887d;
  --srm-teal-soft: #79c5bc;
  --srm-copper: #e37a3a;
  --srm-gold: #f0b35b;
  --srm-ink: #172f3f;
  --srm-muted: #667c89;
  --srm-paper: #f4f2ed;
  --srm-soft: #eef4f4;
  --srm-line: #d8e1e3;
  --srm-shadow: 0 26px 74px rgba(8, 35, 53, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.srm-page { margin: 0; color: var(--srm-ink); background: #fff; font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
.srm-page a { color: inherit; text-decoration: none; }
.srm-page img { display: block; max-width: 100%; }
.srm-page .srm-shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.srm-page h1,
.srm-page h2,
.srm-page h3 { width: 100%; min-width: 0; max-width: none; overflow: visible; text-overflow: clip; white-space: nowrap; }
.srm-kicker,
.srm-overline { margin: 0 0 11px; color: var(--srm-teal); font-size: 11px; font-weight: 900; letter-spacing: .1em; line-height: 1.4; text-transform: uppercase; }
.srm-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 7px; font-size: 13px; font-weight: 900; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; }
.srm-button:hover { transform: translateY(-2px); }
.srm-button--primary { color: #172330; background: var(--srm-gold); box-shadow: 0 14px 34px rgba(240, 179, 91, .23); }
.srm-button--ghost { color: #fff; border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.05); }

.srm-hero { padding: 52px 0; color: #fff; background: radial-gradient(circle at 8% 10%, rgba(29,136,125,.22), transparent 34%), var(--srm-night); }
.srm-hero__inner { display: grid; grid-template-columns: minmax(410px,.84fr) minmax(0,1.16fr); align-items: center; gap: 52px; }
.srm-hero__copy { min-width: 0; padding: 28px 0; }
.srm-hero .srm-overline { color: var(--srm-teal-soft); }
.srm-hero h1 { margin: 0; color: #fff; font-size: clamp(44px,5.1vw,74px); font-weight: 950; letter-spacing: -.058em; line-height: 1.02; }
.srm-hero__claim { margin: 20px 0 0; font-size: clamp(21px,2.2vw,31px); font-weight: 900; line-height: 1.3; }
.srm-hero__lead { max-width: 670px; margin: 17px 0 0; color: rgba(255,255,255,.7); font-size: 15px; line-height: 1.86; }
.srm-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.srm-proof { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin: 31px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); list-style: none; }
.srm-proof li { min-width: 0; padding: 16px 14px; border-right: 1px solid rgba(255,255,255,.13); }
.srm-proof li:first-child { padding-left: 0; }
.srm-proof li:last-child { border-right: 0; }
.srm-proof strong,
.srm-proof span { display: block; }
.srm-proof strong { font-size: 15px; }
.srm-proof span { margin-top: 5px; color: rgba(255,255,255,.53); font-size: 12px; line-height: 1.55; }
.srm-hero__visual { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: #0b2337; box-shadow: 0 34px 88px rgba(0,0,0,.32); }
.srm-hero__visual img { width: 100%; height: auto; }
.srm-hero__visual figcaption,
.srm-scene figcaption,
.srm-wide-scene figcaption { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 18px; color: #fff; background: var(--srm-navy); }
.srm-hero__visual figcaption strong,
.srm-scene figcaption strong,
.srm-wide-scene figcaption strong { font-size: 14px; }
.srm-hero__visual figcaption span,
.srm-scene figcaption span,
.srm-wide-scene figcaption span { color: rgba(255,255,255,.58); font-size: 11px; text-align: right; }

.srm-anchor { display: none; border-bottom: 1px solid var(--srm-line); background: rgba(255,255,255,.97); }
body.xb-shell-embedded .srm-anchor { position: sticky; top: 0; z-index: 80; display: block; }
.srm-anchor__scroll { display: flex; justify-content: center; overflow-x: auto; scrollbar-width: none; }
.srm-anchor__scroll::-webkit-scrollbar { display: none; }
.srm-anchor__scroll a { display: inline-flex; align-items: center; flex: 0 0 auto; min-height: 48px; padding: 0 16px; border-bottom: 2px solid transparent; color: var(--srm-muted); font-size: 12px; font-weight: 850; white-space: nowrap; }
.srm-anchor__scroll a.is-active { color: var(--srm-blue); border-color: var(--srm-copper); }

.srm-section { padding: 82px 0; background: #fff; }
.srm-section--paper { background: var(--srm-paper); }
.srm-section--dark { color: #fff; background: var(--srm-night); }
.srm-heading { display: grid; grid-template-columns: minmax(0,1.16fr) minmax(320px,.84fr); align-items: end; gap: 70px; margin-bottom: 34px; }
.srm-heading h2 { margin: 0; font-size: clamp(31px,3.15vw,47px); font-weight: 950; letter-spacing: -.052em; line-height: 1.08; }
.srm-heading > p { margin: 0; color: var(--srm-muted); font-size: 14px; line-height: 1.82; }
.srm-section--dark .srm-heading h2 { color: #fff; }
.srm-section--dark .srm-heading > p { color: rgba(255,255,255,.59); }
.srm-section--dark .srm-kicker { color: var(--srm-teal-soft); }

.srm-role-rail { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); border-top: 1px solid var(--srm-line); border-bottom: 1px solid var(--srm-line); }
.srm-role-rail article { min-width: 0; padding: 23px 18px; border-right: 1px solid var(--srm-line); }
.srm-role-rail article:last-child { border-right: 0; }
.srm-role-rail span { color: var(--srm-teal); font-size: 12px; font-weight: 900; }
.srm-role-rail h3 { margin: 10px 0 0; font-size: 17px; }
.srm-role-rail p { margin: 7px 0 0; color: var(--srm-muted); font-size: 13px; line-height: 1.7; }
.srm-breakpoints { display: flex; flex-wrap: wrap; margin-top: 28px; border: 1px solid var(--srm-line); }
.srm-breakpoints strong,
.srm-breakpoints span { padding: 11px 14px; border-right: 1px solid var(--srm-line); font-size: 12px; }
.srm-breakpoints strong { color: #fff; background: var(--srm-blue); }
.srm-breakpoints span { color: var(--srm-ink); }

.srm-wide-scene,
.srm-scene { margin: 0; overflow: hidden; border-radius: 18px; background: #fff; box-shadow: var(--srm-shadow); }
.srm-wide-scene img,
.srm-scene img { width: 100%; height: auto; }
.srm-workflow { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 30px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); list-style: none; }
.srm-workflow li { min-width: 0; padding: 21px; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.srm-workflow span { color: var(--srm-teal-soft); font-size: 12px; font-weight: 900; }
.srm-workflow h3 { margin: 9px 0 0; color: #fff; font-size: 17px; }
.srm-workflow p { margin: 7px 0 0; color: rgba(255,255,255,.59); font-size: 13px; line-height: 1.68; }

.srm-story { display: grid; grid-template-columns: minmax(0,1.16fr) minmax(370px,.84fr); align-items: center; gap: 48px; }
.srm-story--reverse { grid-template-columns: minmax(370px,.84fr) minmax(0,1.16fr); }
.srm-story--reverse .srm-scene { order: 2; }
.srm-ledger { border-top: 1px solid var(--srm-line); }
.srm-ledger article { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 17px 0; border-bottom: 1px solid var(--srm-line); }
.srm-ledger article > span { grid-row: 1 / 3; color: var(--srm-copper); font-size: 12px; font-weight: 900; }
.srm-ledger h3 { margin: 0; font-size: 17px; }
.srm-ledger p { margin: 6px 0 0; color: var(--srm-muted); font-size: 13px; line-height: 1.7; }
.srm-ledger--dark { border-color: rgba(255,255,255,.15); }
.srm-ledger--dark article { border-color: rgba(255,255,255,.15); }
.srm-ledger--dark h3 { color: #fff; }
.srm-ledger--dark p { color: rgba(255,255,255,.59); }

.srm-source-controls,
.srm-score-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.srm-source-controls button,
.srm-score-controls button { min-height: 37px; padding: 0 14px; border: 1px solid var(--srm-line); border-radius: 7px; color: var(--srm-ink); background: #fff; font: inherit; font-size: 12px; font-weight: 850; cursor: pointer; transition: color .18s ease, border-color .18s ease, background .18s ease; }
.srm-source-controls button.is-active,
.srm-score-controls button.is-active { color: #fff; border-color: var(--srm-teal); background: var(--srm-teal); }
.srm-event-board { padding: 22px; border: 1px solid var(--srm-line); border-radius: 14px; background: #fff; box-shadow: 0 18px 48px rgba(18,64,83,.08); }
.srm-event-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; }
.srm-event-steps span { padding: 10px; border-radius: 7px; color: var(--srm-muted); background: var(--srm-soft); font-size: 12px; font-weight: 850; text-align: center; }
.srm-event-board[data-source-mode="rfq"] .srm-event-steps span:nth-child(-n+3),
.srm-event-board[data-source-mode="auction"] .srm-event-steps span:nth-child(n+2),
.srm-event-board[data-source-mode="score"] .srm-event-steps span { color: #fff; background: var(--srm-teal); }
.srm-event-output { min-height: 44px; margin: 14px 0 0; color: var(--srm-muted); font-size: 13px; line-height: 1.7; }

.srm-delivery-grid { display: grid; grid-template-columns: minmax(0,1.16fr) minmax(340px,.84fr); gap: 36px; align-items: center; }
.srm-delivery-line { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--srm-line); border-left: 1px solid var(--srm-line); }
.srm-delivery-line article { min-width: 0; padding: 20px; border-right: 1px solid var(--srm-line); border-bottom: 1px solid var(--srm-line); }
.srm-delivery-line strong,
.srm-delivery-line span { display: block; }
.srm-delivery-line strong { font-size: 16px; }
.srm-delivery-line span { margin-top: 6px; color: var(--srm-muted); font-size: 13px; line-height: 1.68; }

.srm-performance { display: grid; grid-template-columns: minmax(360px,.78fr) minmax(0,1.22fr); gap: 48px; align-items: start; margin-top: 34px; }
.srm-performance__copy h2 { margin: 0; color: #fff; font-size: clamp(28px,2.8vw,41px); font-weight: 950; letter-spacing: -.045em; }
.srm-performance__copy > p:not(.srm-kicker) { margin: 15px 0 0; color: rgba(255,255,255,.61); font-size: 14px; line-height: 1.82; }
.srm-score-controls { margin-top: 22px; }
.srm-score-controls button { color: rgba(255,255,255,.72); border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.05); }
.srm-score-output { min-height: 46px; margin: 13px 0 0; color: var(--srm-teal-soft); font-size: 13px; line-height: 1.7; }
.srm-capa { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); list-style: none; }
.srm-capa li { display: grid; grid-template-columns: 84px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.srm-capa time { color: var(--srm-gold); font-size: 12px; font-weight: 900; }
.srm-capa strong { display: block; color: #fff; font-size: 16px; }
.srm-capa p { margin: 6px 0 0; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.7; }

.srm-console-rails { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: 28px; border-top: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.srm-console-rails article { min-width: 0; padding: 20px; border-right: 1px solid rgba(255,255,255,.15); }
.srm-console-rails article:last-child { border-right: 0; }
.srm-console-rails span { color: var(--srm-teal-soft); font-size: 12px; font-weight: 900; }
.srm-console-rails h3 { margin: 9px 0 0; color: #fff; font-size: 17px; }
.srm-console-rails p { margin: 7px 0 0; color: rgba(255,255,255,.59); font-size: 13px; line-height: 1.68; }

.srm-scenarios { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--srm-line); border-left: 1px solid var(--srm-line); }
.srm-scenarios article { min-width: 0; padding: 25px; border-right: 1px solid var(--srm-line); border-bottom: 1px solid var(--srm-line); }
.srm-scenarios span { color: var(--srm-teal); font-size: 12px; font-weight: 900; }
.srm-scenarios h3 { margin: 10px 0 0; font-size: 17px; }
.srm-scenarios p { margin: 7px 0 0; color: var(--srm-muted); font-size: 13px; line-height: 1.7; }
.srm-boundary { display: grid; grid-template-columns: minmax(300px,.72fr) minmax(0,1.28fr); gap: 58px; margin-top: 42px; padding: 34px; border-radius: 16px; color: #fff; background: var(--srm-night); }
.srm-boundary h2 { margin: 0; color: #fff; font-size: clamp(27px,2.7vw,40px); font-weight: 950; letter-spacing: -.045em; line-height: 1.1; }
.srm-boundary p { margin: 13px 0 0; color: rgba(255,255,255,.59); font-size: 13px; line-height: 1.75; }
.srm-boundary ul { margin: 0; padding: 0; list-style: none; }
.srm-boundary li { position: relative; padding: 9px 0 9px 18px; border-bottom: 1px solid rgba(255,255,255,.11); color: rgba(255,255,255,.67); font-size: 13px; line-height: 1.68; }
.srm-boundary li:last-child { border-bottom: 0; }
.srm-boundary li::before { position: absolute; top: 17px; left: 0; width: 6px; height: 6px; border-radius: 50%; content: ""; background: var(--srm-copper); }
.srm-faq { margin-top: 46px; }
.srm-faq h2 { margin: 0 0 20px; font-size: clamp(27px,2.8vw,40px); font-weight: 950; }
.srm-faq details { border-top: 1px solid var(--srm-line); }
.srm-faq details:last-child { border-bottom: 1px solid var(--srm-line); }
.srm-faq summary { padding: 18px 0; font-size: 15px; font-weight: 900; cursor: pointer; }
.srm-faq details p { max-width: 920px; margin: -3px 0 20px; color: var(--srm-muted); font-size: 13px; line-height: 1.8; }

.srm-contact { padding: 68px 0; color: #fff; background: var(--srm-blue); }
.srm-contact__inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.srm-contact .srm-kicker { color: #b9e7df; }
.srm-contact h2 { margin: 0; color: #fff; font-size: clamp(28px,3vw,43px); font-weight: 950; letter-spacing: -.045em; }
.srm-contact p:not(.srm-kicker) { margin: 13px 0 0; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.75; }
.srm-contact__actions { display: flex; flex: 0 0 auto; gap: 10px; }
.srm-reveal { opacity: 0; transform: translateY(18px); transition: opacity .62s ease, transform .62s ease; }
.srm-reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1260px) {
  body.xb-shell-ready:not(.xb-shell-embedded) .srm-anchor { display: block; }
  .srm-anchor__scroll { justify-content: flex-start; }
}
@media (max-width: 1080px) {
  .srm-hero__inner { grid-template-columns: 1fr; gap: 24px; }
  .srm-heading { gap: 36px; }
  .srm-role-rail { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .srm-role-rail article:nth-child(-n+3) { border-bottom: 1px solid var(--srm-line); }
  .srm-role-rail article:nth-child(3) { border-right: 0; }
  .srm-story,
  .srm-story--reverse,
  .srm-delivery-grid { grid-template-columns: 1fr; gap: 30px; }
  .srm-story--reverse .srm-scene { order: 0; }
  .srm-performance { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 760px) {
  .srm-page .srm-shell { width: calc(100% - 28px); }
  .srm-hero { padding: 40px 0; }
  .srm-hero__copy { padding: 0; }
  .srm-hero h1 { font-size: clamp(29px,8.7vw,43px); }
  .srm-hero__claim { font-size: clamp(19px,5.4vw,26px); }
  .srm-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .srm-proof li { padding: 13px 7px; text-align: center; }
  .srm-proof li:first-child { padding-left: 7px; }
  .srm-hero__visual,
  .srm-wide-scene,
  .srm-scene { border-radius: 12px; }
  .srm-hero__visual figcaption,
  .srm-wide-scene figcaption,
  .srm-scene figcaption { align-items: flex-start; flex-direction: column; gap: 6px; }
  .srm-hero__visual figcaption span,
  .srm-wide-scene figcaption span,
  .srm-scene figcaption span { text-align: left; }
  .srm-section { padding: 62px 0; }
  .srm-heading { display: block; margin-bottom: 27px; }
  .srm-heading > p { margin-top: 14px; }
  .srm-heading h2 { font-size: clamp(23px,7.1vw,34px); }
  .srm-role-rail { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .srm-role-rail article:nth-child(3) { border-right: 1px solid var(--srm-line); }
  .srm-role-rail article:nth-child(2n) { border-right: 0; }
  .srm-role-rail article:nth-child(-n+4) { border-bottom: 1px solid var(--srm-line); }
  .srm-workflow { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .srm-console-rails { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .srm-console-rails article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.15); }
  .srm-console-rails article:nth-child(2) { border-right: 0; }
  .srm-scenarios { grid-template-columns: 1fr; }
  .srm-boundary { grid-template-columns: 1fr; gap: 26px; padding: 24px 20px; }
  .srm-boundary h2 { font-size: clamp(23px,7vw,32px); }
  .srm-contact__inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .srm-actions,
  .srm-contact__actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .srm-proof { grid-template-columns: 1fr; }
  .srm-proof li,
  .srm-proof li:first-child { padding: 12px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); text-align: left; }
  .srm-proof li:last-child { border-bottom: 0; }
  .srm-role-rail,
  .srm-workflow,
  .srm-delivery-line,
  .srm-console-rails { grid-template-columns: 1fr; }
  .srm-role-rail article,
  .srm-role-rail article:nth-child(3),
  .srm-role-rail article:nth-child(2n),
  .srm-console-rails article { border-right: 0; border-bottom: 1px solid var(--srm-line); }
  .srm-console-rails article { border-bottom-color: rgba(255,255,255,.15); }
  .srm-role-rail article:last-child,
  .srm-console-rails article:last-child { border-bottom: 0; }
  .srm-event-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .srm-capa li { grid-template-columns: 1fr; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .srm-reveal { opacity: 1; transform: none; transition: none; }
  .srm-button,
  .srm-source-controls button,
  .srm-score-controls button { transition: none; }
}

.srm-page :where(a,button):focus-visible {
  outline: 3px solid var(--srm-gold);
  outline-offset: 3px;
}