:root {
  --ink: #161b1a;
  --ink-soft: #39403e;
  --paper: #f7f8f5;
  --white: #ffffff;
  --line: #dfe3de;
  --muted: #69716e;
  --brand: #ff5f00;
  --brand-dark: #d95100;
  --green: #12493f;
  --amber: #d49428;
  --header-height: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; letter-spacing: 0; }
body.menu-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; max-width: 100%; }
svg { stroke-width: 1.8; }
.page-width { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section-pad { padding: 112px 0; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; color: var(--white); background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.cursor-field { position: fixed; z-index: 90; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.status-strip { height: 28px; color: #bfc7c3; background: #101615; font-family: Consolas, "SFMono-Regular", monospace; font-size: 9px; }
.status-strip .page-width { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.status-strip span { display: inline-flex; align-items: center; gap: 8px; }
.status-strip i { width: 6px; height: 6px; display: block; background: #2dce83; border-radius: 50%; box-shadow: 0 0 0 3px rgba(45,206,131,.13); }
.site-header { position: sticky; z-index: 100; top: 0; height: var(--header-height); display: flex; align-items: center; padding: 0 max(24px, calc((100vw - 1180px) / 2)); color: var(--ink); background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); transition: box-shadow .2s ease, background .2s ease; }
.site-header.is-solid, .site-header.menu-active { background: rgba(255,255,255,.98); box-shadow: 0 10px 30px rgba(26,33,30,.08); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand-logo { width: 190px; height: auto; }
.brand-logo-header { width: 220px; }
.desktop-nav { display: flex; gap: 32px; margin-left: 56px; }
.desktop-nav a { position: relative; padding: 26px 0; font-size: 14px; text-decoration: none; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 19px; height: 2px; background: var(--brand); transform: scaleX(0); transition: transform .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.header-login { display: inline-flex; align-items: center; gap: 7px; padding: 10px 14px; border: 1px solid currentColor; border-radius: 6px; font-size: 13px; font-weight: 700; text-decoration: none; }
.header-login:hover { color: var(--white); background: var(--ink); }
.header-login svg { width: 16px; height: 16px; }
.menu-toggle { width: 40px; height: 40px; display: none; place-items: center; padding: 0; color: inherit; background: transparent; border: 1px solid currentColor; border-radius: 6px; cursor: pointer; }
.menu-toggle svg { width: 20px; }
.mobile-nav { position: absolute; top: var(--header-height); left: 0; width: 100%; padding: 18px 24px 28px; background: var(--white); border-bottom: 1px solid var(--line); }
.mobile-nav[hidden] { display: none; }
.mobile-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; text-decoration: none; }
.scroll-progress { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--brand); transform: scaleX(0); transform-origin: left center; will-change: transform; }

.hero { position: relative; min-height: 600px; height: clamp(600px, calc(100svh - 180px), 660px); display: flex; align-items: center; overflow: hidden; color: var(--ink); background: #f8f8f4; border-bottom: 1px solid var(--line); }
.hero-pattern { position: absolute; inset: 0; background-image: url('/website/assets/dot-grid.png'); background-repeat: repeat; opacity: .62; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(390px,.82fr) minmax(0,1.18fr); gap: 54px; align-items: center; padding-bottom: 58px; }
.hero-copy { min-width: 0; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--green); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.eyebrow span { width: 28px; height: 2px; background: var(--brand); }
.hero h1 { margin: 0; font-size: 48px; line-height: 1.16; font-weight: 850; }
.hero-brand { color: var(--brand); font-size: 70px; line-height: 1; }
.hero-product-name { white-space: nowrap; }
.hero-statement { max-width: 560px; margin: 24px 0 0; font-size: 21px; line-height: 1.5; font-weight: 800; }
.hero-description { max-width: 560px; margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 17px; height: 17px; }
.button-primary { color: var(--white); background: var(--brand); }
.button-primary:hover { background: var(--brand-dark); }
.button-ghost { color: var(--ink); border-color: #b9bfbb; background: rgba(255,255,255,.72); }
.button-ghost:hover { border-color: var(--ink); background: var(--white); }
.ai-console { overflow: hidden; background: rgba(255,255,255,.96); border: 1px solid #cfd4cf; border-radius: 8px; box-shadow: 0 28px 60px rgba(31,43,38,.14); transition: transform .18s ease-out, box-shadow .25s ease; will-change: transform; }
.ai-console:hover { box-shadow: 0 34px 72px rgba(31,43,38,.2); }
.console-bar { height: 45px; display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 0 16px; color: #747b77; background: #fafaf7; border-bottom: 1px solid var(--line); font-family: Consolas, "SFMono-Regular", monospace; font-size: 9px; }
.console-dots { display: flex; gap: 5px; }
.console-dots i { width: 7px; height: 7px; display: block; background: #cac7b9; border-radius: 50%; }
.console-bar p { margin: 0; }
.console-bar > b { display: flex; align-items: center; gap: 6px; padding: 5px 8px; color: #128b58; background: #e9f9f0; border: 1px solid #bcebd2; border-radius: 5px; font-size: 8px; }
.console-bar > b i, .console-live header i, .console-foot i { width: 6px; height: 6px; display: block; background: #2dce83; border-radius: 50%; box-shadow: 0 0 0 3px rgba(45,206,131,.12); }
.console-tabs { height: 43px; display: flex; gap: 26px; align-items: flex-end; padding: 0 18px; border-bottom: 1px solid var(--line); font-size: 10px; }
.console-tabs span { height: 43px; display: flex; align-items: center; color: #777f7b; border-bottom: 2px solid transparent; }
.console-tabs span.active { color: var(--brand-dark); border-color: var(--brand); font-weight: 800; }
.console-body { padding: 17px; }
.console-summary { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.console-summary article { min-width: 0; display: grid; gap: 5px; padding: 13px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.console-summary small { color: #929996; font-family: Consolas, monospace; font-size: 7px; }
.console-summary strong { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.console-summary span { color: #7e8682; font-size: 8px; }
.console-grid { display: grid; grid-template-columns: 1.55fr .75fr; gap: 12px; margin-top: 12px; }
.console-pipeline, .console-live { border: 1px solid var(--line); border-radius: 6px; }
.console-pipeline > header, .console-live > header { min-height: 39px; display: flex; align-items: center; gap: 8px; padding: 0 12px; background: #fafbf8; border-bottom: 1px solid var(--line); }
.console-pipeline > header b, .console-live > header b { font-size: 10px; }
.console-pipeline > header small, .console-live > header small { margin-left: auto; color: #969d99; font-size: 7px; }
.console-pipeline > div { min-height: 50px; display: grid; grid-template-columns: 22px 1fr auto; gap: 8px; align-items: center; padding: 7px 11px; border-bottom: 1px dashed #e4e6e1; }
.console-pipeline > div:last-child { border-bottom: 0; }
.console-pipeline > div > span { color: #a2a8a5; font-family: Consolas, monospace; font-size: 7px; }
.console-pipeline p { display: grid; gap: 3px; margin: 0; }
.console-pipeline p b { font-size: 9px; }
.console-pipeline p small { color: #8b928f; font-size: 7px; }
.console-pipeline em { padding: 3px 5px; color: #5f6965; background: #f0f2ee; border-radius: 3px; font-size: 7px; font-style: normal; }
.console-pipeline em.running { color: #a5480d; background: #fff1e8; }
.console-live > p { display: grid; gap: 4px; margin: 0; padding: 11px 12px; border-bottom: 1px dashed #e4e6e1; }
.console-live > p:last-child { border-bottom: 0; }
.console-live > p span { color: #8d9491; font-size: 7px; }
.console-live > p strong { font-size: 9px; }
.console-foot { min-height: 38px; display: flex; align-items: center; gap: 15px; padding: 0 16px; color: #7b837f; background: #fafaf7; border-top: 1px solid var(--line); font-family: Consolas, monospace; font-size: 7px; }
.console-foot span { display: flex; align-items: center; gap: 7px; }
.hero-index { position: absolute; z-index: 1; inset: auto 0 0; display: grid; grid-template-columns: repeat(4,1fr); margin-block: 0; padding: 0; color: var(--white); background: #101615; border: 1px solid #2d3733; border-bottom: 0; list-style: none; box-shadow: 0 -18px 40px rgba(22,31,29,.1); }
.hero-index li { position: relative; min-width: 0; min-height: 76px; display: grid; grid-template-columns: 30px minmax(0,1fr); grid-template-rows: auto auto; gap: 4px 12px; align-content: center; padding: 14px 38px 14px 20px; border-right: 1px solid #303a36; transition: color .2s ease, background .2s ease; }
.hero-index li::before { content: ""; position: absolute; top: -1px; right: 0; left: 0; height: 3px; background: var(--brand); transform: scaleX(0); transform-origin: left center; transition: transform .22s ease; }
.hero-index li:last-child { border-right: 0; }
.hero-index li > svg { width: 21px; height: 21px; grid-row: 1 / 3; align-self: center; color: #ff9c61; }
.hero-index b { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.hero-index small { overflow: hidden; color: #8f9a95; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.hero-index em { position: absolute; top: 14px; right: 14px; color: #56615c; font-family: Consolas, monospace; font-size: 8px; font-style: normal; }

.section-index { margin: 0; color: var(--brand); font-size: 11px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; }
.positioning { padding-top: 64px; background-color: var(--paper); background-image: url('/website/assets/dot-grid.png'); background-repeat: repeat; }
.split-heading { display: grid; grid-template-columns: 1fr 3fr; gap: 48px; align-items: start; }
.split-heading h2, .section-head h2, .system-copy h2, .cooperate h2 { margin: 0; font-size: 44px; line-height: 1.22; }
.split-heading > div > p { max-width: 760px; margin: 28px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.9; }
.intelligence-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 64px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.intelligence-strip > div { min-height: 148px; display: grid; align-content: center; gap: 9px; padding: 24px; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: color .2s ease, background .2s ease; }
.intelligence-strip span { color: var(--brand); font-family: Consolas, monospace; font-size: 10px; }
.intelligence-strip b { font-size: 17px; }
.intelligence-strip p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

.service-model { color: var(--white); background: #101615; }
.service-intro { display: grid; grid-template-columns: 1fr 3fr; gap: 48px; align-items: start; }
.service-intro .section-index { color: #ff8b45; }
.service-intro h2 { max-width: 850px; margin: 0; font-size: 44px; line-height: 1.22; }
.service-intro > div > p { max-width: 760px; margin: 28px 0 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.85; }
.service-grid { margin-top: 64px; border-top: 1px solid rgba(255,255,255,.2); }
.service-item { min-height: 170px; display: grid; grid-template-columns: 72px minmax(190px,.8fr) 1.8fr; gap: 28px; align-items: start; padding: 36px 0; border-bottom: 1px solid rgba(255,255,255,.18); transition: background .2s ease; }
.service-item > span { padding-top: 5px; color: #ff8b45; font-family: Consolas, monospace; font-size: 11px; }
.service-item h3 { margin: 0; font-size: 24px; line-height: 1.45; }
.service-item > div > p { max-width: 690px; margin: 0; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.8; }
.service-tags { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 20px; }
.service-tags span { padding-left: 10px; color: rgba(255,255,255,.9); border-left: 2px solid var(--brand); font-size: 11px; }
.service-stack { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 58px; border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.service-stack > div { min-height: 150px; display: grid; align-content: center; gap: 8px; padding: 24px; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.service-stack small { color: #ff8b45; font-size: 8px; }
.service-stack b { font-size: 16px; }
.service-stack p { margin: 0; color: rgba(255,255,255,.55); font-size: 11px; line-height: 1.65; }

.capabilities { background: var(--white); border-block: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 1fr 3fr; gap: 0 48px; margin-bottom: 54px; }
.section-head .section-index { grid-row: 1 / 3; }
.section-head > p:last-child { max-width: 660px; margin: 18px 0 0; color: var(--muted); line-height: 1.75; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-item { position: relative; min-height: 300px; padding: 32px; overflow: hidden; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; }
.capability-item::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 3px; background: var(--brand); transform: scaleX(0); transform-origin: left center; transition: transform .24s ease; }
.capability-icon { width: 42px; height: 42px; display: grid; place-items: center; color: var(--white); background: var(--green); border-radius: 7px; }
.capability-icon svg { width: 20px; height: 20px; }
.capability-no { position: absolute; top: 34px; right: 32px; margin: 0; color: #a4aba8; font-size: 12px; }
.capability-item h3 { margin: 34px 0 14px; font-size: 21px; }
.capability-item > p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.ai-decision-map { margin-top: 72px; padding: 32px; overflow: hidden; color: var(--white); background-color: #101615; background-image: url('/website/assets/dot-grid.png'); background-repeat: repeat; border: 1px solid #2b3431; border-radius: 8px; box-shadow: 0 28px 60px rgba(19,28,26,.15); }
.ai-decision-map > header { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; }
.ai-decision-map > header h3 { margin: 12px 0 0; font-size: 29px; line-height: 1.3; }
.ai-decision-map > header > span { display: inline-flex; align-items: center; gap: 9px; padding: 8px 11px; color: #b9c5c0; border: 1px solid #35413d; border-radius: 5px; font-family: Consolas, monospace; font-size: 9px; white-space: nowrap; }
.ai-decision-map > header > span i { width: 7px; height: 7px; display: block; background: #2dce83; border-radius: 50%; box-shadow: 0 0 0 4px rgba(45,206,131,.12); animation: status-pulse 1.8s ease-in-out infinite; }
.decision-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid #34403c; border-left: 1px solid #34403c; }
.decision-step { position: relative; min-height: 270px; display: flex; flex-direction: column; align-items: flex-start; padding: 26px; color: rgba(255,255,255,.58); border-right: 1px solid #34403c; border-bottom: 1px solid #34403c; transition: color .25s ease, background .25s ease, transform .25s ease; }
.decision-step::before { content: ""; position: absolute; z-index: 1; top: -1px; right: 0; left: 0; height: 3px; background: var(--brand); transform: scaleX(0); transform-origin: left center; transition: transform .3s ease; }
.decision-step::after { content: ""; position: absolute; z-index: 2; top: -5px; right: -5px; width: 9px; height: 9px; background: #44504c; border: 2px solid #101615; border-radius: 50%; transition: background .25s ease, box-shadow .25s ease; }
.decision-step.active { z-index: 1; color: var(--white); background: #18211f; transform: translateY(-5px); }
.decision-step.active::before { transform: scaleX(1); }
.decision-step.active::after { background: #2dce83; box-shadow: 0 0 0 5px rgba(45,206,131,.13); }
.decision-step > span { color: #ff9c61; font-family: Consolas, monospace; font-size: 9px; }
.decision-step > svg { width: 25px; height: 25px; margin-top: 28px; color: currentColor; }
.decision-step h4 { margin: 24px 0 12px; font-size: 18px; }
.decision-step p { margin: 0; color: inherit; font-size: 12px; line-height: 1.75; }
.decision-step small { margin-top: auto; padding-top: 22px; color: #95a09b; font-size: 9px; line-height: 1.5; }
.ai-decision-map > footer { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; color: #a9b4af; font-size: 9px; }
.ai-decision-map > footer span { display: flex; align-items: center; gap: 7px; }
.ai-decision-map > footer svg { width: 14px; color: #ff9c61; }

.workflow { color: var(--white); background: var(--green); }
.section-head-light .section-index { color: #f0b14c; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.28); }
.workflow-list li { min-height: 124px; display: grid; grid-template-columns: 90px 1fr 42px; gap: 24px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.2); }
.workflow-list > li > span { color: #f0b14c; font-size: 13px; font-weight: 800; }
.workflow-list h3 { margin: 0 0 8px; font-size: 21px; }
.workflow-list p { margin: 0; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.65; }
.workflow-list > li > svg { width: 23px; color: rgba(255,255,255,.55); transition: transform .22s ease, color .22s ease; }

.system { background: #eef1ec; }
.system-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.system-copy h2 { margin-top: 18px; }
.system-copy > p:nth-of-type(2) { margin: 24px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.85; }
.system-points { display: grid; gap: 20px; margin: 32px 0; padding: 0; list-style: none; }
.system-points li { display: grid; grid-template-columns: 24px 1fr; gap: 13px; align-items: start; color: var(--muted); font-size: 13px; line-height: 1.65; }
.system-points svg { width: 20px; color: var(--brand); }
.system-points strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); font-size: 14px; font-weight: 800; text-decoration: none; }
.text-link svg { width: 17px; transition: transform .2s ease; }
.text-link:hover svg { transform: translateX(4px); }
.workbench { overflow: hidden; background: #fafbfa; border: 1px solid #cfd5d0; border-radius: 8px; box-shadow: 0 30px 60px rgba(20, 38, 33, .13); transition: transform .25s ease, box-shadow .25s ease; }
.workbench-top { height: 42px; display: flex; align-items: center; gap: 6px; padding: 0 14px; background: #e5e8e4; border-bottom: 1px solid #cfd5d0; }
.workbench-top > span { width: 8px; height: 8px; border-radius: 50%; background: #aab2ad; }
.workbench-top > span:first-child { background: var(--brand); }
.workbench-top p { margin: 0 0 0 8px; color: #69716e; font-size: 9px; }
.workbench-body { min-height: 410px; display: grid; grid-template-columns: 150px 1fr; }
.workbench aside { display: flex; flex-direction: column; gap: 5px; padding: 20px 12px; color: #9aa5a0; background: #17211f; }
.workbench aside strong { width: 34px; height: 34px; display: grid; place-items: center; margin: 0 7px 14px; color: var(--white); background: var(--brand); border-radius: 6px; font-size: 11px; }
.workbench aside span { display: flex; align-items: center; gap: 8px; padding: 9px 8px; font-size: 10px; border-radius: 5px; }
.workbench aside span.active { color: var(--white); background: rgba(255,95,0,.2); }
.workbench aside svg { width: 14px; height: 14px; }
.workbench-main { min-width: 0; padding: 22px; }
.workbench-title { display: flex; justify-content: space-between; align-items: center; }
.workbench-title div { display: grid; gap: 5px; }
.workbench-title small { color: #8a928e; font-size: 8px; }
.workbench-title b { font-size: 16px; }
.workbench-title > svg { width: 17px; color: #7b8580; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.metric-row span { display: grid; gap: 8px; padding: 15px 13px; background: var(--white); border: 1px solid #e0e4e1; border-radius: 6px; }
.metric-row small { color: #7f8884; font-size: 8px; }
.metric-row b { font-size: 12px; }
.progress-panel { margin-top: 12px; padding: 17px; background: var(--white); border: 1px solid #e0e4e1; border-radius: 6px; }
.panel-title { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px solid #edf0ed; }
.panel-title b { font-size: 11px; }
.panel-title small { color: #8a928e; font-size: 7px; }
.progress-line { display: grid; grid-template-columns: 62px 1fr 36px; gap: 10px; align-items: center; padding-top: 16px; font-size: 8px; }
.progress-line i { height: 5px; overflow: hidden; background: #e9ece9; border-radius: 2px; }
.progress-line em { height: 100%; display: block; background: var(--green); border-radius: inherit; transform: scaleX(0); transform-origin: left center; transition: transform 1s cubic-bezier(.2,.7,.2,1); }
.workbench.is-visible .progress-line em { transform: scaleX(1); }
.progress-line b { color: #68716d; font-size: 7px; text-align: right; }
.workbench-footer { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 14px; color: #68716d; font-size: 8px; }
.workbench-footer span { display: flex; align-items: center; gap: 5px; }
.workbench-footer svg { width: 12px; color: var(--brand); }

.roles { background: var(--white); }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.role-item { min-height: 270px; padding: 34px 32px 0 0; border-right: 1px solid var(--line); }
.role-item:not(:first-child) { padding-left: 32px; }
.role-item:last-child { border-right: 0; }
.role-item > p { margin: 0; color: var(--brand); font-size: 12px; font-weight: 800; }
.role-item h3 { margin: 24px 0 20px; font-size: 24px; line-height: 1.4; }
.role-item span { color: var(--muted); font-size: 14px; line-height: 1.8; }

.cooperate { padding: 96px 0; color: var(--white); background: var(--brand); }
.cooperate-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: center; }
.cooperate .section-index { color: rgba(255,255,255,.75); }
.cooperate h2 { max-width: 700px; margin-top: 18px; }
.cooperate-action p { margin: 0 0 24px; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.8; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: #000; }

.site-footer { padding: 64px 0 22px; color: #b8c0bd; background: #101615; }
.footer-main { display: grid; grid-template-columns: .7fr 1.3fr auto; gap: 36px; align-items: center; }
.brand-footer .brand-logo { width: 236px; }
.footer-main > p { max-width: 440px; margin: 0; font-size: 13px; line-height: 1.7; }
.footer-main nav { display: flex; gap: 22px; font-size: 12px; }
.footer-main nav a { text-decoration: none; }
.footer-main nav a:hover { color: var(--white); }
.footer-bottom { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; margin-top: 52px; padding-top: 20px; border-top: 1px solid #2c3431; font-size: 10px; }
.footer-bottom > :last-child { text-align: right; }
.icp-link { color: #b8c0bd; text-decoration: none; transition: color .2s ease; }
.icp-link:hover { color: var(--white); }
.back-to-top { position: fixed; z-index: 110; right: 24px; bottom: 24px; width: 48px; height: 48px; display: grid; place-items: center; padding: 0; color: var(--white); background: #101615; border: 1px solid #39443f; border-radius: 6px; box-shadow: 0 14px 34px rgba(15,23,21,.2); opacity: 0; visibility: hidden; transform: translateY(14px); pointer-events: none; cursor: pointer; transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background .2s ease, border-color .2s ease; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--brand); border-color: var(--brand); }
.back-to-top svg { width: 19px; height: 19px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); transition-delay: var(--reveal-delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes status-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .38; } }

@media (hover: hover) and (pointer: fine) {
  .hero-index li:hover { background: #18211f; }
  .hero-index li:hover::before { transform: scaleX(1); }
  .intelligence-strip > div:hover { color: var(--white); background: var(--green); }
  .intelligence-strip > div:hover span { color: #ffb486; }
  .intelligence-strip > div:hover p { color: rgba(255,255,255,.72); }
  .service-item:hover { background: rgba(255,255,255,.035); }
  .capability-item:hover { z-index: 2; border-color: #c6ccc7; box-shadow: 0 20px 46px rgba(25,38,34,.12); transform: translateY(-6px); }
  .capability-item:hover::before { transform: scaleX(1); }
  .capability-item:hover .capability-icon { color: var(--ink); background: var(--brand); }
  .workflow-list li:hover > svg { color: var(--white); transform: translate(5px, 5px); }
  .workbench:hover { box-shadow: 0 36px 72px rgba(20,38,33,.18); transform: translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  .cursor-field { display: none; }
  .decision-step.active, .workbench, .ai-console { transform: none !important; }
  .progress-line em { transform: scaleX(1); }
}

@media (max-width: 980px) {
  .cursor-field { display: none; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: grid; }
  .header-login { display: none; }
  .split-heading, .section-head, .service-intro, .system-layout, .cooperate-inner { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .ai-console { display: none; }
  .split-heading, .section-head { gap: 20px; }
  .section-head .section-index { grid-row: auto; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .intelligence-strip { grid-template-columns: repeat(2, 1fr); }
  .service-intro { gap: 20px; }
  .service-stack { grid-template-columns: repeat(2,1fr); }
  .decision-steps { grid-template-columns: repeat(2, 1fr); }
  .ai-decision-map > footer { grid-template-columns: repeat(2, 1fr); }
  .system-layout { gap: 54px; }
  .system-copy { max-width: 700px; }
  .cooperate-inner { gap: 34px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-main nav { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  :root { --header-height: 64px; }
  .page-width { width: min(100% - 32px, 1180px); }
  .section-pad { padding: 78px 0; }
  .status-strip { height: 24px; font-size: 8px; }
  .status-strip span:last-child { display: none; }
  .site-header { padding-inline: 16px; }
  .brand-logo-header { width: 174px; }
  .hero { min-height: 650px; height: 650px; }
  .hero-inner { padding-bottom: 48px; }
  .hero h1 { font-size: 30px; line-height: 1.2; }
  .hero-brand { font-size: 58px; }
  .hero-statement { margin-top: 20px; font-size: 18px; line-height: 1.5; }
  .hero-description { margin-top: 16px; font-size: 14px; line-height: 1.75; }
  .hero-actions { margin-top: 26px; }
  .button { min-height: 46px; padding-inline: 17px; }
  .hero-index { grid-template-columns: repeat(2, 1fr); }
  .hero-index li { min-height: 58px; grid-template-columns: 22px minmax(0,1fr); padding: 10px 28px 10px 12px; }
  .hero-index li:nth-child(2) { border-right: 0; }
  .hero-index li:nth-child(-n+2) { border-bottom: 1px solid #303a36; }
  .hero-index li > svg { width: 16px; height: 16px; }
  .hero-index b { font-size: 9px; }
  .hero-index small { display: none; }
  .hero-index em { top: 10px; right: 9px; font-size: 7px; }
  .split-heading h2, .section-head h2, .service-intro h2, .system-copy h2, .cooperate h2 { font-size: 34px; }
  .split-heading > div > p { margin-top: 20px; font-size: 16px; line-height: 1.8; }
  .section-head { margin-bottom: 36px; }
  .capability-grid { grid-template-columns: 1fr; }
  .intelligence-strip { grid-template-columns: 1fr; margin-top: 42px; }
  .intelligence-strip > div { min-height: 118px; }
  .service-grid { margin-top: 44px; }
  .service-item { grid-template-columns: 38px 1fr; gap: 12px 14px; padding: 30px 0; }
  .service-item > span { grid-row: 1 / 3; }
  .service-item h3 { font-size: 21px; }
  .service-item > div { grid-column: 2; }
  .service-stack { grid-template-columns: 1fr; margin-top: 42px; }
  .service-stack > div { min-height: 120px; }
  .capability-item { min-height: 260px; padding: 27px; }
  .capability-no { top: 29px; right: 27px; }
  .ai-decision-map { margin-top: 50px; padding: 24px; }
  .ai-decision-map > header { align-items: flex-start; flex-direction: column; }
  .ai-decision-map > header h3 { font-size: 25px; }
  .decision-steps { grid-template-columns: 1fr; }
  .decision-step { min-height: 235px; }
  .decision-step.active { transform: none; }
  .ai-decision-map > footer { grid-template-columns: 1fr; }
  .workflow-list li { min-height: 145px; grid-template-columns: 42px 1fr 24px; gap: 14px; }
  .workflow-list h3 { font-size: 18px; }
  .workflow-list p { font-size: 13px; }
  .workbench { overflow-x: auto; }
  .workbench-body { min-width: 580px; }
  .role-grid { grid-template-columns: 1fr; }
  .role-item, .role-item:not(:first-child) { min-height: 0; padding: 30px 0 34px; border-right: 0; border-bottom: 1px solid var(--line); }
  .role-item:last-child { border-bottom: 0; }
  .role-item h3 { font-size: 22px; }
  .cooperate { padding: 74px 0; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
  .brand-footer .brand-logo { width: 210px; }
  .footer-main nav { grid-column: auto; flex-wrap: wrap; }
  .footer-bottom { grid-template-columns: 1fr; gap: 12px; align-items: flex-start; }
  .footer-bottom > :last-child { text-align: left; }
  .back-to-top { right: 14px; bottom: 14px; width: 44px; height: 44px; }
}