:root {
    --ink: #21152e;
    --purple: #25114d;
    --purple-2: #3a1b68;
    --orange: #ff5a12;
    --orange-2: #ff8a2b;
    --cream: #faf7f2;
    --paper: #fffdf9;
    --muted: #706979;
    --line: rgba(37, 17, 77, .13);
    --radius: 24px;
    --shadow: 0 28px 70px rgba(39, 22, 55, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--cream);
    font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
    -webkit-font-smoothing: antialiased;
}
body::selection { color: white; background: var(--orange); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section-pad { padding: 116px 0; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.site-header {
    position: fixed; inset: 0 0 auto; z-index: 100;
    border-bottom: 1px solid transparent;
    transition: .3s ease;
}
.site-header.scrolled {
    background: rgba(250, 247, 242, .9);
    border-color: var(--line);
    backdrop-filter: blur(18px);
}
.nav-wrap { height: 84px; display: flex; align-items: center; justify-content: space-between; }
.brand img { width: 190px; height: 58px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 600; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after {
    content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px;
    background: var(--orange); transition: right .25s ease;
}
.site-nav > a:hover::after { right: 0; }
.nav-cta {
    color: white; background: var(--purple); padding: 13px 22px; border-radius: 999px;
    transition: transform .2s ease, background .2s ease;
}
.nav-cta:hover { transform: translateY(-2px); background: var(--orange); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 2px; margin: 6px 0; background: var(--purple); }

.hero {
    min-height: 100vh; padding-top: 84px; position: relative; overflow: hidden;
    background:
        radial-gradient(circle at 89% 24%, rgba(255, 126, 62, .15), transparent 25%),
        linear-gradient(180deg, #fffdfa 0%, var(--cream) 100%);
}
.hero::before {
    content: ""; position: absolute; inset: 0; opacity: .38; pointer-events: none;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
}
.hero-grid {
    position: relative; min-height: calc(100vh - 140px); display: grid;
    grid-template-columns: 1.08fr .92fr; gap: 72px; align-items: center; padding: 70px 0 55px;
}
.eyebrow {
    margin: 0 0 24px; color: var(--orange); font-size: 12px; font-weight: 800;
    letter-spacing: .2em; display: flex; align-items: center; gap: 12px;
}
.eyebrow span { width: 34px; height: 2px; background: currentColor; }
.eyebrow.light { color: #ffb07e; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: "Noto Serif SC", "STSong", serif; }
h1 {
    margin-bottom: 28px; font-size: clamp(54px, 5.9vw, 86px); line-height: 1.1;
    letter-spacing: -.055em; font-weight: 900;
}
h1 span { color: var(--orange); position: relative; white-space: nowrap; }
h1 span::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -7px; height: 9px;
    background: linear-gradient(90deg, var(--orange), transparent); opacity: .45; transform: skewX(-25deg);
}
.hero-lead { max-width: 650px; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin: 36px 0 46px; }
.button {
    min-height: 54px; padding: 0 26px; border: 1px solid transparent; border-radius: 999px;
    display: inline-flex; align-items: center; justify-content: center; gap: 22px;
    font-weight: 700; cursor: pointer; transition: .25s ease;
}
.button b { font-size: 19px; }
.button-primary { color: white; background: var(--orange); box-shadow: 0 14px 34px rgba(255, 90, 18, .25); }
.button-primary:hover { transform: translateY(-3px); background: #ef4500; box-shadow: 0 18px 38px rgba(255, 90, 18, .32); }
.button-ghost { color: var(--purple); border-color: var(--line); background: rgba(255, 255, 255, .58); }
.button-ghost:hover { transform: translateY(-3px); border-color: var(--purple); }
.button-light { background: white; color: var(--purple); }
.button-light:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0, 0, 0, .18); }
.hero-proof { display: flex; gap: 34px; }
.hero-proof div { display: grid; gap: 4px; padding-right: 34px; border-right: 1px solid var(--line); }
.hero-proof div:last-child { border: 0; }
.hero-proof strong { font: 900 26px/1 "Noto Serif SC", serif; color: var(--purple); }
.hero-proof span { color: var(--muted); font-size: 12px; }

.hero-visual {
    position: relative; aspect-ratio: .88; border: 1px solid var(--line); border-radius: 220px 220px 28px 28px;
    display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, .62);
    box-shadow: var(--shadow);
}
.hero-visual::before {
    content: ""; position: absolute; inset: 28px; border: 1px dashed rgba(37, 17, 77, .25);
    border-radius: inherit;
}
.hero-visual img {
    width: 90%; mix-blend-mode: multiply; filter: contrast(1.04); transform: translateY(2%);
}
.visual-kicker {
    position: absolute; z-index: 2; top: 52px; left: -36px; writing-mode: vertical-rl;
    color: var(--purple); font-size: 11px; font-weight: 800; letter-spacing: .35em;
}
.floating-note {
    position: absolute; z-index: 4; background: rgba(255, 253, 249, .92); border: 1px solid var(--line);
    border-radius: 16px; padding: 13px 18px; color: var(--muted); font-size: 12px; box-shadow: 0 18px 38px rgba(33, 21, 46, .1);
}
.floating-note strong { display: block; margin-top: 2px; color: var(--purple); font-size: 16px; }
.note-top { top: 24%; right: -38px; }
.note-bottom { bottom: 22%; left: -44px; }
.visual-index { position: absolute; right: 28px; bottom: 25px; font: 800 11px/1 monospace; color: var(--orange); }
.hero-orbit { position: absolute; border: 1px solid rgba(255, 90, 18, .18); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 520px; height: 520px; right: -300px; top: 10%; }
.orbit-two { width: 260px; height: 260px; left: -160px; bottom: 5%; }
.hero-ticker {
    position: relative; height: 56px; display: flex; align-items: center; justify-content: space-between;
    color: var(--purple); border-top: 1px solid var(--line); font-size: 12px; font-weight: 800; letter-spacing: .08em;
}
.hero-ticker i { width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }

.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: end; }
.section-heading h2, .section-top h2, .advantage-sticky h2, .contact-copy h2, .offer-content h2 {
    margin-bottom: 0; font-size: clamp(42px, 4.5vw, 64px); line-height: 1.22; letter-spacing: -.035em;
}
.section-heading em { color: var(--orange); font-style: normal; }
.intro-copy { padding-bottom: 5px; }
.lead-quote { color: var(--purple); font: 700 25px/1.55 "Noto Serif SC", serif; }
.intro-copy > p:not(.lead-quote) { color: var(--muted); font-size: 16px; line-height: 1.95; }
.text-link { display: inline-flex; gap: 50px; padding-bottom: 7px; margin-top: 12px; border-bottom: 1px solid var(--purple); font-weight: 700; }
.text-link span { color: var(--orange); }

.solutions { background: var(--cream); }
.section-top { display: grid; grid-template-columns: 1fr 420px; align-items: end; gap: 80px; margin-bottom: 58px; }
.section-top > p { color: var(--muted); line-height: 1.85; margin-bottom: 4px; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.solution-card {
    min-height: 540px; position: relative; padding: 28px; border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line); transition: .35s ease; overflow: hidden;
    display: flex; flex-direction: column;
}
.solution-card::before {
    content: ""; position: absolute; inset: 100% 0 0; background: var(--purple); transition: inset .4s cubic-bezier(.2,.8,.2,1); z-index: 0;
}
.solution-card:hover { color: white; transform: translateY(-8px); box-shadow: var(--shadow); }
.solution-card:hover::before { inset: 0; }
.solution-card > * { position: relative; z-index: 1; }
.card-no { color: var(--orange); font: 800 12px/1 monospace; }
.card-image {
    width: 78%; aspect-ratio: 1; margin: 35px auto 28px; display: grid; place-items: center;
    background: white; border-radius: 50%; overflow: hidden; transition: .35s ease;
}
.solution-card:hover .card-image { transform: rotate(3deg) scale(.96); }
.card-image img { width: 116%; max-width: none; }
.solution-card h3 { margin-bottom: 14px; font: 800 25px/1.3 "Noto Serif SC", serif; }
.solution-card p { min-height: 76px; color: var(--muted); font-size: 14px; line-height: 1.8; transition: color .3s ease; }
.solution-card:hover p { color: rgba(255,255,255,.7); }
.solution-card ul { margin: 22px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; font-size: 12px; }
.solution-card li { margin: 7px 0; }
.solution-card li::before { content: "↗"; margin-right: 8px; color: var(--orange); }
.solution-actions {
    display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: auto; padding-top: 24px;
}
.solution-actions a {
    min-height: 42px; padding: 0 12px; display: flex; align-items: center; justify-content: space-between;
    color: var(--purple); background: rgba(255,255,255,.68); border: 1px solid var(--line);
    border-radius: 999px; font-size: 12px; font-weight: 800; transition: .25s ease;
}
.solution-actions a:first-child { color: white; background: var(--orange); border-color: var(--orange); }
.solution-actions a:hover { transform: translateY(-2px); box-shadow: 0 9px 20px rgba(33,21,46,.13); }
.solution-card:hover .solution-actions a:not(:first-child) {
    color: white; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22);
}
.solution-actions span { color: inherit; font-size: 13px; }

.advantages { color: white; background: var(--purple); overflow: hidden; }
.advantage-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 110px; }
.advantage-sticky { align-self: start; position: sticky; top: 130px; }
.advantage-sticky > p:not(.eyebrow) { max-width: 480px; margin: 30px 0 42px; color: rgba(255,255,255,.62); line-height: 1.9; }
.mini-dashboard {
    width: 100%; padding: 24px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius);
    background: rgba(255,255,255,.05);
}
.dash-head { display: flex; justify-content: space-between; color: rgba(255,255,255,.6); font-size: 12px; }
.dash-head b { color: #a8e971; }
.bars { height: 135px; display: flex; align-items: flex-end; gap: 10px; margin-top: 18px; }
.bars i {
    flex: 1; height: var(--h); border-radius: 5px 5px 0 0;
    background: linear-gradient(to top, var(--orange), #ffb56e); animation: breathe 3s ease-in-out infinite alternate;
}
.bars i:nth-child(even) { animation-delay: -.8s; }
@keyframes breathe { to { opacity: .62; transform: scaleY(.92); transform-origin: bottom; } }
.advantage-list { border-top: 1px solid rgba(255,255,255,.15); }
.advantage-item {
    min-height: 145px; display: grid; grid-template-columns: 80px 1fr; align-items: center;
    border-bottom: 1px solid rgba(255,255,255,.15); transition: padding .3s ease, background .3s ease;
}
.advantage-item:hover { padding-left: 20px; background: rgba(255,255,255,.04); }
.advantage-item > span { color: var(--orange-2); font: 800 12px/1 monospace; }
.advantage-item h3 { margin-bottom: 9px; font-size: 22px; }
.advantage-item p { margin-bottom: 0; color: rgba(255,255,255,.58); line-height: 1.7; }

.workflow { background: var(--paper); }
.workflow-line { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.workflow-line article { position: relative; padding: 42px 28px 0 0; }
.workflow-line article::before {
    content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px;
    border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 6px rgba(255, 90, 18, .12);
}
.workflow-line article:not(:last-child)::after {
    content: "→"; position: absolute; right: 25px; top: 52%; color: rgba(37,17,77,.22); font-size: 28px;
}
.workflow-line b { color: var(--orange); font: 800 12px/1 monospace; }
.workflow-line h3 { margin: 24px 0 10px; font: 800 24px/1.25 "Noto Serif SC", serif; }
.workflow-line p { color: var(--muted); font-size: 14px; }

.cooperation { background: var(--cream); }
.offer-card {
    position: relative; overflow: hidden; min-height: 600px; padding: 78px;
    display: grid; grid-template-columns: 1fr .9fr; gap: 90px; align-items: center;
    color: white; background:
        linear-gradient(120deg, rgba(37,17,77,.96), rgba(71,28,91,.87)),
        url("../images/offer-gradient.jpeg") center / cover;
    border-radius: 38px; box-shadow: var(--shadow);
}
.offer-card::after {
    content: "AI"; position: absolute; right: -40px; bottom: -130px;
    color: rgba(255,255,255,.04); font: 900 380px/1 Arial, sans-serif;
}
.offer-content, .offer-benefits { position: relative; z-index: 1; }
.offer-subtitle { margin: 18px 0 34px; color: #ffc7a2; letter-spacing: .22em; }
.price-row { display: flex; gap: 44px; margin: 0 0 40px; }
.price-row div { display: grid; grid-template-columns: auto auto; align-items: end; }
.price-row small { grid-column: 1 / -1; color: rgba(255,255,255,.55); }
.price-row strong { margin-top: 8px; font: 900 46px/1 "Noto Serif SC", serif; }
.price-row sup { font-size: 18px; vertical-align: top; }
.price-row span { color: rgba(255,255,255,.6); margin-left: 6px; }
.offer-benefits { padding: 38px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.16); border-radius: 28px; backdrop-filter: blur(12px); }
.bonus { padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.15); display: grid; grid-template-columns: 1fr auto; align-items: end; }
.bonus span { grid-column: 1 / -1; color: #ffb783; font-size: 12px; font-weight: 800; }
.bonus strong { margin-top: 8px; font: 900 54px/1 "Noto Serif SC", serif; }
.bonus small { color: rgba(255,255,255,.62); }
.offer-benefits ul { list-style: none; margin: 22px 0 0; padding: 0; }
.offer-benefits li { display: grid; grid-template-columns: 35px 1fr; gap: 8px; padding: 11px 0; color: rgba(255,255,255,.75); font-size: 14px; }
.offer-benefits li b { color: var(--orange-2); font: 800 11px/1.8 monospace; }
.offer-benefits li strong { color: white; }

.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.contact-copy > p:not(.eyebrow) { max-width: 520px; margin: 28px 0; color: var(--muted); line-height: 1.9; }
.contact-points { display: grid; gap: 13px; }
.contact-points span { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.contact-points i { width: 25px; height: 25px; display: grid; place-items: center; color: white; background: var(--orange); border-radius: 50%; font-style: normal; font-size: 12px; }
.contact-form-wrap { padding: 38px; background: var(--cream); border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 20px 50px rgba(37,17,77,.08); }
.contact-form { display: grid; gap: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { color: var(--purple); font-size: 13px; font-weight: 800; }
.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%; margin-top: 9px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 12px;
    outline: none; background: white; color: var(--ink); transition: .2s ease; resize: vertical;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
    border-color: var(--orange); box-shadow: 0 0 0 4px rgba(255,90,18,.1);
}
.contact-form .button { width: 100%; border: 0; }
.privacy-note { margin: -8px 0 0; color: var(--muted); text-align: center; font-size: 11px; }
.form-success { margin-bottom: 18px; padding: 14px 16px; color: #23603e; background: #e8f8ee; border-radius: 12px; }
.form-errors { color: #bd2517; font-size: 12px; }
.form-errors ul { margin: 4px 0; padding-left: 18px; }

.site-footer { padding: 72px 0 28px; color: white; background: #160b28; }
.footer-main { display: flex; justify-content: space-between; align-items: end; padding-bottom: 48px; }
.footer-brand img { width: 205px; padding: 8px; background: white; border-radius: 8px; }
.footer-brand p { margin: 18px 0 0; color: rgba(255,255,255,.5); }
.footer-nav { display: flex; gap: 30px; color: rgba(255,255,255,.72); font-size: 13px; }
.footer-nav a:hover { color: var(--orange-2); }
.footer-bottom {
    padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex;
    justify-content: space-between; color: rgba(255,255,255,.38); font: 11px/1.5 monospace; letter-spacing: .08em;
}

.reveal { opacity: 0; transform: translateY(25px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
    .hero-grid { gap: 38px; }
    .solution-grid { grid-template-columns: repeat(2, 1fr); }
    .solution-card { min-height: 500px; }
    .advantage-layout, .contact-grid { gap: 60px; }
    .offer-card { padding: 60px; gap: 50px; }
}

@media (max-width: 780px) {
    .container { width: min(100% - 30px, 620px); }
    .section-pad { padding: 82px 0; }
    .nav-wrap { height: 72px; }
    .brand img { width: 155px; height: 50px; }
    .menu-toggle { display: block; z-index: 2; }
    .site-nav {
        position: fixed; inset: 0; padding: 110px 28px 40px; display: flex; flex-direction: column;
        align-items: stretch; gap: 0; color: white; background: rgba(22,11,40,.98);
        transform: translateX(100%); transition: transform .32s ease;
    }
    .site-nav.open { transform: none; }
    .site-nav a { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 18px; }
    .site-nav .nav-cta { margin-top: 18px; padding: 16px 22px; text-align: center; background: var(--orange); border: 0; }
    .menu-toggle[aria-expanded="true"] span:not(.sr-only) { background: white; }
    .hero { padding-top: 72px; }
    .hero-grid { min-height: auto; grid-template-columns: 1fr; padding: 70px 0 30px; }
    h1 { font-size: clamp(45px, 13vw, 66px); }
    .hero-lead { font-size: 16px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-proof { gap: 14px; justify-content: space-between; }
    .hero-proof div { padding-right: 14px; }
    .hero-proof strong { font-size: 20px; }
    .hero-visual { width: 90%; margin: 20px auto 10px; }
    .note-top { right: -20px; }
    .note-bottom { left: -18px; }
    .hero-ticker { overflow: hidden; gap: 30px; justify-content: flex-start; }
    .hero-ticker span { flex: 0 0 auto; }
    .intro-grid, .section-top, .advantage-layout, .contact-grid, .offer-card { grid-template-columns: 1fr; }
    .intro-grid, .section-top, .advantage-layout, .contact-grid { gap: 45px; }
    .section-top { align-items: start; margin-bottom: 40px; }
    .solution-grid { grid-template-columns: 1fr; }
    .solution-card { min-height: 0; }
    .card-image { width: 64%; max-width: 260px; }
    .advantage-sticky { position: static; }
    .workflow-line { grid-template-columns: 1fr 1fr; gap: 28px 0; }
    .workflow-line article::after { display: none; }
    .offer-card { padding: 44px 26px; gap: 40px; border-radius: 28px; }
    .price-row { gap: 22px; }
    .price-row strong { font-size: 35px; }
    .offer-benefits { padding: 25px; }
    .field-row { grid-template-columns: 1fr; }
    .footer-main { align-items: start; flex-direction: column; gap: 35px; }
    .footer-nav { flex-wrap: wrap; gap: 18px 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}