:root {
    --ink: #0b0d0e;
    --ink-soft: #121516;
    --ink-raised: #191c1d;
    --ivory: #ffffff;
    --ivory-soft: #d7d7d7;
    --paper: #ffffff;
    --surface-light: hsl(240 10% 95%);
    --muted-dark: #666a69;
    --muted-light: rgba(232, 235, 233, 0.68);
    --line-dark: rgba(11, 13, 14, 0.16);
    --line-light: rgba(232, 235, 233, 0.18);
    --accent: #a92f2a;
    --accent-bright: #cb3a32;
    --page-pad: clamp(20px, 4vw, 64px);
    --section-space: clamp(104px, 13vw, 200px);
    --content-max: 1500px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --z-base: 1;
    --z-content: 10;
    --z-header: 30;
    --z-dialog: 40;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
    background: var(--ink);
}

body {
    min-height: 100%;
    overflow-x: hidden;
    background: var(--ink);
    color: var(--ivory);
    font-family: "Inter", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::after {
    position: fixed;
    z-index: 50;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");
    content: "";
    opacity: 0.028;
    pointer-events: none;
}

body.dialog-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: 0;
    color: inherit;
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

img,
video {
    display: block;
    max-width: 100%;
}

::selection {
    background: var(--accent);
    color: #fff;
}

:focus-visible {
    outline: 2px solid var(--accent-bright);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 60;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    transform: translateY(-160%);
    border-radius: 4px;
    background: var(--paper);
    color: var(--ink);
    transition: transform 180ms var(--ease);
}

.skip-link:focus {
    transform: translateY(0);
}

.scroll-sentinel {
    position: absolute;
    top: 24px;
    left: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.site-header {
    position: fixed;
    z-index: var(--z-header);
    inset: 0 0 auto;
    padding: 16px var(--page-pad) 0;
    pointer-events: none;
}

.site-nav {
    width: min(var(--content-max), 100%);
    min-height: 58px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    margin: 0 auto;
    padding: 7px 8px 7px 18px;
    border: 1px solid transparent;
    border-radius: 14px;
    transition: background-color 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
    pointer-events: auto;
}

.site-header.is-scrolled .site-nav,
.site-nav:focus-within {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(9, 11, 12, 0.86);
    box-shadow: 0 16px 44px rgba(5, 6, 7, 0.2);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.brand-lockup {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.brand-logo {
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    object-fit: contain;
}

.brand-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    line-height: 1;
}

.brand-subtitle {
    display: block;
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.58);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 0.18em;
    line-height: 1;
    text-transform: uppercase;
}

.desktop-links {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    background: rgba(8, 10, 11, 0.72);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.desktop-links a {
    position: relative;
    padding: 9px 15px;
    border-radius: 7px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

.desktop-links a:hover,
.desktop-links a.is-active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.nav-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
}

.language-button,
.mobile-menu summary {
    min-width: 42px;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    background: rgba(8, 10, 11, 0.68);
    color: #fff;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    transition: background-color 180ms var(--ease), transform 120ms var(--ease);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.language-button:hover,
.mobile-menu summary:hover {
    background: rgba(31, 34, 35, 0.94);
}

.language-button:active,
.mobile-menu summary:active,
.button:active,
.nav-download:active {
    transform: scale(0.98);
}

.nav-download {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 19px;
    border-radius: 9px;
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color 180ms var(--ease), transform 120ms var(--ease);
}

.nav-download:hover {
    background: #fff;
}

.nav-download:disabled,
.button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.mobile-menu {
    position: relative;
    display: none;
}

.mobile-menu summary {
    list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
    display: none;
}

.menu-lines,
.menu-lines::before,
.menu-lines::after {
    width: 16px;
    height: 1px;
    display: block;
    background: currentColor;
    content: "";
    transition: transform 180ms var(--ease);
}

.menu-lines::before { transform: translateY(-5px); }
.menu-lines::after { transform: translateY(4px); }

.mobile-menu[open] .menu-lines { background: transparent; }
.mobile-menu[open] .menu-lines::before { transform: translateY(0) rotate(45deg); }
.mobile-menu[open] .menu-lines::after { transform: translateY(-1px) rotate(-45deg); }

.mobile-menu-panel {
    position: absolute;
    top: 50px;
    right: 0;
    width: min(310px, calc(100vw - 40px));
    display: grid;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(9, 11, 12, 0.97);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.mobile-menu-panel a {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
}

.mobile-menu-panel .nav-download {
    margin-top: 12px;
}

.hero {
    position: relative;
    min-height: 100dvh;
    display: grid;
    align-items: end;
    overflow: hidden;
    isolation: isolate;
    background: var(--ink);
}

.hero-media,
.hero-media picture,
.hero-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-media {
    z-index: -3;
    background: var(--ink);
}

.hero-media img {
    object-fit: cover;
    object-position: center 54%;
}

.hero-media img {
    filter: saturate(0.8) contrast(1.04) brightness(0.78);
}

.hero::before {
    position: absolute;
    z-index: -2;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(5, 7, 8, 0.78) 0%, rgba(5, 7, 8, 0.24) 52%, rgba(5, 7, 8, 0.22) 100%),
        linear-gradient(180deg, rgba(5, 7, 8, 0.26) 0%, transparent 35%, rgba(5, 7, 8, 0.82) 100%);
    content: "";
}

.hero-image-only {
    min-height: 0;
    aspect-ratio: 1200 / 630;
    display: block;
    background: #050607;
}

.hero-image-only::before,
.hero-image-only::after,
.hero-image-only .hero-inner {
    display: none;
}

.hero-image-only .hero-media img {
    object-fit: cover;
    object-position: center;
    filter: none;
}

.platform-rail {
    min-height: 68px;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: var(--ink);
    color: rgba(255, 255, 255, 0.62);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.platform-rail > * {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 var(--page-pad);
}

.platform-rail > * + * {
    border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.platform-rail strong {
    color: #fff;
    font-size: 13px;
    letter-spacing: 0.08em;
}

.platform-rail strong::before {
    width: 18px;
    height: 2px;
    margin-right: 12px;
    background: var(--accent-bright);
    content: "";
}

.hero::after {
    position: absolute;
    z-index: -1;
    inset: auto 0 0;
    height: 20%;
    background: linear-gradient(180deg, transparent, var(--ink));
    content: "";
}

.hero-inner {
    width: min(var(--content-max), 100%);
    display: grid;
    grid-template-columns: minmax(0, 920px) 1fr;
    align-items: end;
    gap: 48px;
    margin: 0 auto;
    padding: clamp(136px, 19vh, 230px) var(--page-pad) clamp(68px, 8vh, 98px);
}

.hero-kicker,
.section-index,
.eyebrow {
    color: var(--muted-light);
    font-size: clamp(10px, 0.75vw, 12px);
    font-weight: 600;
    letter-spacing: 0.15em;
    line-height: 1.4;
    text-transform: uppercase;
}

.hero-kicker {
    margin-bottom: 22px;
}

.hero-title {
    max-width: 900px;
    color: #fff;
    font-size: clamp(54px, 6.2vw, 106px);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 0.96;
    text-wrap: balance;
}

.hero-title span {
    display: block;
}

.hero-copy {
    max-width: 630px;
    margin-top: 28px;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(15px, 1.1vw, 18px);
    line-height: 1.75;
    text-wrap: pretty;
}

.hero-actions,
.closing-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-top: 34px;
}

.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0 23px;
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease), transform 120ms var(--ease);
}

.button-primary {
    background: var(--paper);
    color: var(--ink);
}

.button-primary:hover {
    background: #fff;
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.24);
    background: rgba(8, 10, 11, 0.24);
    color: #fff;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.button-secondary:hover {
    border-color: rgba(255, 255, 255, 0.48);
    background: rgba(8, 10, 11, 0.5);
}

.button-arrow {
    font-size: 17px;
    font-weight: 400;
    transition: transform 180ms var(--ease);
}

.button:hover .button-arrow {
    transform: translateX(3px);
}

.hero-scroll {
    justify-self: end;
    display: grid;
    justify-items: end;
    gap: 12px;
    padding-bottom: 7px;
    color: rgba(255, 255, 255, 0.52);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.hero-scroll::after {
    width: 1px;
    height: 72px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.58), transparent);
    content: "";
}

.tone-paper {
    background: var(--surface-light);
    color: var(--ink);
}

.tone-dark {
    background: var(--ink);
    color: var(--ivory);
}

.dream {
    position: relative;
    padding: var(--section-space) var(--page-pad) calc(var(--section-space) * 1.06);
}

.dream-grid {
    width: min(var(--content-max), 100%);
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1.12fr);
    align-items: center;
    gap: clamp(52px, 8vw, 130px);
    margin: 0 auto;
}

.section-index {
    margin-bottom: clamp(32px, 6vw, 72px);
    color: var(--muted-dark);
}

.section-title {
    max-width: 1000px;
    font-size: clamp(44px, 5.8vw, 96px);
    font-weight: 500;
    letter-spacing: -0.055em;
    line-height: 0.98;
    text-wrap: balance;
}

.section-title-sm {
    font-size: clamp(38px, 4.7vw, 76px);
}

.dream-copy {
    max-width: 630px;
}

.dream-copy .section-title {
    max-width: 650px;
}

.body-large {
    max-width: 590px;
    margin-top: clamp(30px, 4vw, 56px);
    color: #535756;
    font-size: clamp(17px, 1.4vw, 22px);
    line-height: 1.75;
    text-wrap: pretty;
}

.dream-lines {
    margin-top: 34px;
    padding-left: 20px;
    border-left: 2px solid var(--accent);
    color: var(--ink);
    font-size: clamp(15px, 1.05vw, 18px);
    line-height: 1.9;
}

.dream-visual {
    position: relative;
    min-height: clamp(560px, 69vw, 900px);
    overflow: hidden;
    background: #d9d6cf;
}

.dream-visual img {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    object-fit: cover;
    object-position: center;
    filter: saturate(0.78) contrast(1.03);
    transition: transform 1.2s var(--ease);
}

.dream-visual.is-visible img {
    transform: scale(1.025);
}

.image-caption {
    position: absolute;
    right: 18px;
    bottom: 18px;
    padding: 8px 10px;
    background: rgba(9, 11, 12, 0.72);
    color: rgba(255, 255, 255, 0.78);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.identity {
    position: relative;
    overflow: hidden;
    padding: calc(var(--section-space) * 0.95) var(--page-pad) var(--section-space);
}

.identity-inner {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
}

.identity .section-title {
    max-width: 1160px;
}

.identity-intro {
    max-width: 540px;
    margin: 30px 0 0 auto;
    color: var(--muted-light);
    font-size: clamp(15px, 1.15vw, 19px);
    line-height: 1.75;
}

.stage-rail {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: clamp(82px, 11vw, 156px);
    border-top: 1px solid var(--line-light);
}

.stage-rail::before {
    position: absolute;
    top: -2px;
    left: 0;
    width: var(--rail-progress, 0%);
    height: 3px;
    background: var(--accent-bright);
    content: "";
    transition: width 900ms var(--ease);
}

.stage {
    min-height: 270px;
    padding: 24px clamp(24px, 4vw, 58px) 0 0;
    border-right: 1px solid var(--line-light);
}

.stage:last-child {
    border-right: 0;
    padding-right: 0;
    padding-left: clamp(24px, 4vw, 58px);
}

.stage:nth-child(2) {
    padding-left: clamp(24px, 4vw, 58px);
}

.stage-number {
    color: rgba(255, 255, 255, 0.42);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.12em;
}

.stage h3 {
    margin-top: 42px;
    font-size: clamp(32px, 3.2vw, 52px);
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 1;
}

.stage p {
    max-width: 330px;
    margin-top: 20px;
    color: var(--muted-light);
    font-size: 14px;
    line-height: 1.75;
}

.understand {
    min-height: 100dvh;
    display: grid;
    grid-template-columns: minmax(420px, 0.82fr) minmax(0, 1.18fr);
    background: var(--paper);
    color: var(--ink);
}

.understand-visual {
    position: relative;
    min-height: 100dvh;
    overflow: hidden;
    background: #aeb2b0;
}

.understand-visual img {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    object-fit: cover;
    object-position: center;
    filter: saturate(0.68) contrast(1.08);
    transition: transform 1.2s var(--ease);
}

.understand-visual.is-visible img {
    transform: scale(1.025);
}

.understand-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--section-space) var(--page-pad);
}

.understand-copy .section-index {
    margin-bottom: 44px;
}

.understand-copy p {
    max-width: 600px;
    margin-top: 34px;
    color: #565a59;
    font-size: clamp(16px, 1.2vw, 19px);
    line-height: 1.8;
}

.understand-list {
    max-width: 720px;
    margin-top: 56px;
    border-top: 1px solid var(--line-dark);
}

.understand-list li {
    display: grid;
    grid-template-columns: 58px 1fr auto;
    align-items: baseline;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line-dark);
    list-style: none;
}

.understand-list span:first-child {
    color: var(--accent);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.understand-list strong {
    font-size: clamp(18px, 1.45vw, 24px);
    font-weight: 500;
}

.understand-list small {
    color: var(--muted-dark);
    font-size: 12px;
}

.system {
    padding: var(--section-space) var(--page-pad) calc(var(--section-space) * 1.08);
}

.system-inner {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
}

.system-head {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: clamp(46px, 8vw, 120px);
    align-items: end;
}

.system-head p {
    padding-bottom: 8px;
    color: var(--muted-light);
    font-size: clamp(15px, 1.15vw, 18px);
    line-height: 1.8;
}

.growth-path {
    margin-top: clamp(80px, 11vw, 150px);
    border-top: 1px solid var(--line-light);
}

.path-step {
    display: grid;
    grid-template-columns: 80px minmax(190px, 0.7fr) minmax(0, 1.3fr) 24px;
    align-items: center;
    gap: 24px;
    padding: clamp(26px, 3.3vw, 48px) 0;
    border-bottom: 1px solid var(--line-light);
    transition: color 180ms var(--ease), padding 240ms var(--ease);
}

.path-step:hover {
    padding-left: 10px;
    color: #fff;
}

.path-number {
    color: rgba(255, 255, 255, 0.42);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.12em;
}

.path-moment {
    font-size: clamp(22px, 2vw, 32px);
    font-weight: 500;
    letter-spacing: -0.03em;
}

.path-detail strong {
    display: block;
    font-size: clamp(17px, 1.4vw, 22px);
    font-weight: 500;
}

.path-detail span {
    display: block;
    max-width: 620px;
    margin-top: 8px;
    color: var(--muted-light);
    font-size: 14px;
    line-height: 1.7;
}

.path-arrow {
    color: var(--accent-bright);
    font-size: 20px;
}

.future {
    padding: var(--section-space) var(--page-pad) calc(var(--section-space) * 1.04);
}

.future-inner {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
}

.future-top {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: clamp(48px, 8vw, 130px);
    align-items: end;
}

.future-note {
    max-width: 570px;
    padding-bottom: 9px;
    color: #575a59;
    font-size: clamp(16px, 1.25vw, 20px);
    line-height: 1.8;
}

.comparison {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    margin-top: clamp(84px, 10vw, 144px);
    border-top: 1px solid var(--line-dark);
}

.comparison-column {
    min-height: 390px;
    padding: 26px clamp(28px, 4.5vw, 72px) 0 0;
}

.comparison-column + .comparison-column {
    padding-right: 0;
    padding-left: clamp(28px, 4.5vw, 72px);
    border-left: 1px solid var(--line-dark);
}

.comparison-label {
    color: var(--muted-dark);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.comparison-column ul {
    margin-top: 50px;
}

.comparison-column li {
    margin-bottom: 12px;
    list-style: none;
    color: #7b7e7d;
    font-size: clamp(26px, 3vw, 50px);
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 1.08;
}

.comparison-column--future li {
    color: var(--ink);
}

.comparison-column--future li:last-child {
    color: var(--accent);
}

.academy {
    position: relative;
    min-height: 100dvh;
    display: grid;
    align-items: end;
    overflow: hidden;
    isolation: isolate;
    background: var(--ink);
}

.academy-media,
.academy-media::after,
.academy-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.academy-media {
    z-index: -2;
}

.academy-media img {
    object-fit: cover;
    object-position: center 62%;
    filter: saturate(0.62) contrast(1.08) brightness(0.62);
}

.academy-media::after {
    background:
        linear-gradient(90deg, rgba(7, 9, 10, 0.96) 0%, rgba(7, 9, 10, 0.82) 42%, rgba(7, 9, 10, 0.2) 78%),
        linear-gradient(180deg, rgba(7, 9, 10, 0.2), rgba(7, 9, 10, 0.86));
    content: "";
}

.academy-inner {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
    padding: var(--section-space) var(--page-pad) clamp(66px, 7vw, 106px);
}

.academy-copy {
    max-width: 880px;
}

.academy-copy .section-title {
    max-width: 850px;
}

.academy-copy > p {
    max-width: 570px;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.72);
    font-size: clamp(15px, 1.15vw, 18px);
    line-height: 1.8;
}

.coach-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: clamp(74px, 9vw, 124px);
    border-top: 1px solid var(--line-light);
}

.coach-flow div {
    position: relative;
    padding: 24px 34px 12px 0;
    border-right: 1px solid var(--line-light);
}

.coach-flow div:not(:first-child) {
    padding-left: 34px;
}

.coach-flow div:last-child {
    border-right: 0;
}

.coach-flow div:not(:last-child)::after {
    position: absolute;
    top: 23px;
    right: 12px;
    color: var(--accent-bright);
    content: "→";
}

.coach-flow span {
    display: block;
    color: rgba(255, 255, 255, 0.38);
    font-size: 10px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.12em;
}

.coach-flow strong {
    display: block;
    margin-top: 34px;
    font-size: clamp(17px, 1.45vw, 24px);
    font-weight: 500;
    line-height: 1.35;
}

.ecosystem {
    background: var(--surface-light);
    color: var(--ink);
    padding: clamp(82px, 10vw, 150px) var(--page-pad);
}

.ecosystem-inner {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
}

.ecosystem-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: end;
}

.ecosystem-head p {
    max-width: 510px;
    justify-self: end;
    color: #595d5b;
    font-size: 16px;
    line-height: 1.8;
}

.roles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 74px;
    border-top: 1px solid var(--line-dark);
}

.role {
    min-height: 260px;
    padding: 24px 34px 0 0;
    border-right: 1px solid var(--line-dark);
}

.role:not(:first-child) {
    padding-left: 34px;
}

.role:last-child {
    border-right: 0;
}

.role span {
    color: var(--accent);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.role h3 {
    margin-top: 42px;
    font-size: clamp(29px, 2.8vw, 46px);
    font-weight: 500;
    letter-spacing: -0.04em;
}

.role p {
    max-width: 330px;
    margin-top: 16px;
    color: #666a68;
    font-size: 14px;
    line-height: 1.75;
}

.closing {
    position: relative;
    min-height: 100dvh;
    display: grid;
    grid-template-rows: 1fr auto;
    overflow: hidden;
    isolation: isolate;
    background: var(--ink);
}

.closing-media,
.closing-media img,
.closing-media::after {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.closing-media {
    z-index: -2;
}

.closing-media img {
    object-fit: cover;
    object-position: center 62%;
    filter: saturate(0.72) contrast(1.06) brightness(0.58);
}

.closing-media::after {
    background:
        linear-gradient(90deg, rgba(5, 7, 8, 0.84), rgba(5, 7, 8, 0.24)),
        linear-gradient(180deg, rgba(5, 7, 8, 0.2), rgba(5, 7, 8, 0.94));
    content: "";
}

.closing-inner {
    width: min(var(--content-max), 100%);
    align-self: center;
    margin: 0 auto;
    padding: clamp(160px, 20vh, 240px) var(--page-pad) 90px;
}

.closing-title {
    max-width: 1000px;
    color: #fff;
    font-size: clamp(56px, 7.4vw, 124px);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 0.95;
    text-wrap: balance;
}

.closing-copy {
    max-width: 560px;
    margin-top: 28px;
    color: rgba(255, 255, 255, 0.72);
    font-size: clamp(15px, 1.15vw, 18px);
    line-height: 1.75;
}

.site-footer {
    width: min(var(--content-max), calc(100% - var(--page-pad) * 2));
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
    margin: 0 auto;
    padding: 26px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.52);
    font-size: 11px;
    line-height: 1.7;
}

.footer-legal,
.footer-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px 22px;
}

.footer-links a {
    transition: color 180ms var(--ease);
}

.footer-links a:hover {
    color: #fff;
}

.compat-dialog {
    position: fixed;
    z-index: var(--z-dialog);
    inset: 50% auto auto 50%;
    width: min(520px, calc(100vw - 32px));
    max-height: calc(100dvh - 32px);
    margin: 0;
    padding: 0;
    transform: translate(-50%, -50%);
    overflow: auto;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: var(--ink-soft);
    color: var(--ivory);
    box-shadow: 0 36px 110px rgba(0, 0, 0, 0.68);
}

.compat-dialog::backdrop {
    background: rgba(5, 7, 8, 0.78);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.compat-panel {
    padding: 28px;
}

.compat-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 22px;
}

.compat-title {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.compat-copy {
    margin-top: 14px;
    color: var(--muted-light);
    font-size: 14px;
    line-height: 1.7;
}

.compat-close {
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    font-size: 20px;
}

.compat-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 26px;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 760ms var(--ease), transform 760ms var(--ease);
}

.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }
.reveal[data-delay="3"] { transition-delay: 270ms; }

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

html[lang="zh-CN"] [data-i18n],
html[lang="zh-CN"] .hero-title,
html[lang="zh-CN"] .section-title,
html[lang="zh-CN"] .closing-title {
    font-family: "Noto Sans SC", "Inter", "Microsoft YaHei", sans-serif;
}

@media (max-width: 1040px) {
    .site-nav {
        grid-template-columns: 1fr auto;
    }

    .desktop-links {
        display: none;
    }

    .nav-actions {
        grid-column: 2;
    }

    .mobile-menu {
        display: block;
    }

    .hero-inner {
        grid-template-columns: 1fr auto;
    }

    .dream-grid {
        grid-template-columns: 1fr;
    }

    .dream-copy {
        max-width: 850px;
    }

    .dream-visual {
        min-height: min(76vw, 760px);
    }

    .understand {
        grid-template-columns: 0.9fr 1.1fr;
    }

    .system-head,
    .future-top {
        grid-template-columns: 1fr;
    }

    .system-head p,
    .future-note {
        max-width: 620px;
        padding-bottom: 0;
    }
}

@media (max-width: 960px) {
    :root {
        --safe-inline: max(env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
        --page-pad: calc(20px + var(--safe-inline));
        --section-space: 96px;
    }

    .platform-rail {
        grid-template-columns: 1fr;
    }

    .platform-rail > * {
        min-height: 50px;
    }

    .platform-rail > * + * {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        border-left: 0;
    }

    .site-header {
        padding-top: max(10px, env(safe-area-inset-top, 0px));
    }

    .site-nav {
        min-height: 52px;
        padding: 5px 6px 5px 12px;
        gap: 10px;
    }

    .brand-lockup {
        gap: 8px;
    }

    .brand-logo {
        width: 27px;
        height: 27px;
    }

    .brand-name {
        font-size: 12px;
    }

    .brand-subtitle {
        display: none;
    }

    .nav-actions {
        gap: 6px;
    }

    .language-button,
    .mobile-menu summary {
        min-width: 38px;
        min-height: 38px;
    }

    .site-nav > .nav-actions > .nav-download {
        display: none;
    }

    .hero {
        min-height: 760px;
    }

    .hero-media img {
        object-position: center 52%;
        filter: saturate(0.72) contrast(1.06) brightness(0.66);
    }

    .hero::before {
        background:
            linear-gradient(180deg, rgba(5, 7, 8, 0.26) 0%, rgba(5, 7, 8, 0.08) 36%, rgba(5, 7, 8, 0.92) 86%),
            linear-gradient(90deg, rgba(5, 7, 8, 0.38), transparent);
    }

    .hero-inner {
        grid-template-columns: 1fr;
        padding-top: 150px;
        padding-bottom: 58px;
    }

    .hero-title {
        font-size: clamp(48px, 14vw, 72px);
        line-height: 0.98;
    }

    .hero-copy {
        max-width: 510px;
        margin-top: 22px;
        font-size: 15px;
    }

    .hero-actions,
    .closing-actions {
        align-items: stretch;
        flex-direction: column;
        gap: 10px;
        margin-top: 28px;
    }

    .button {
        width: 100%;
    }

    .hero-scroll {
        display: none;
    }

    .section-title,
    .section-title-sm {
        font-size: clamp(40px, 11vw, 60px);
    }

    .dream-grid {
        gap: 58px;
    }

    .dream-visual {
        min-height: 118vw;
    }

    .dream-visual img {
        object-position: 62% center;
    }

    .identity-intro {
        margin-left: 0;
    }

    .stage-rail {
        grid-template-columns: 1fr;
        margin-top: 72px;
        border-top: 0;
        border-left: 1px solid var(--line-light);
    }

    .stage-rail::before {
        top: 0;
        left: -2px;
        width: 3px;
        height: var(--rail-progress, 0%);
        transition: height 900ms var(--ease);
    }

    .stage,
    .stage:nth-child(2),
    .stage:last-child {
        min-height: auto;
        padding: 0 0 56px 26px;
        border-right: 0;
    }

    .stage h3 {
        margin-top: 24px;
    }

    .understand {
        min-height: auto;
        grid-template-columns: 1fr;
    }

    .understand-visual {
        min-height: 128vw;
    }

    .understand-copy {
        padding-block: 92px 104px;
    }

    .understand-list li {
        grid-template-columns: 42px 1fr;
    }

    .understand-list small {
        grid-column: 2;
    }

    .path-step {
        grid-template-columns: 42px 1fr 18px;
        gap: 14px;
    }

    .path-moment {
        font-size: 21px;
    }

    .path-detail {
        grid-column: 2 / -1;
    }

    .path-arrow {
        grid-column: 3;
        grid-row: 1;
    }

    .comparison {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .comparison-column,
    .comparison-column + .comparison-column {
        min-height: 290px;
        padding: 24px 0 52px;
        border-left: 0;
        border-bottom: 1px solid var(--line-dark);
    }

    .comparison-column ul {
        margin-top: 38px;
    }

    .academy {
        min-height: 840px;
    }

    .academy-media img {
        object-position: 57% center;
    }

    .academy-media::after {
        background: linear-gradient(180deg, rgba(7, 9, 10, 0.34), rgba(7, 9, 10, 0.94) 66%);
    }

    .coach-flow {
        grid-template-columns: 1fr 1fr;
    }

    .coach-flow div,
    .coach-flow div:not(:first-child) {
        padding: 22px 18px 44px 0;
        border-right: 0;
        border-bottom: 1px solid var(--line-light);
    }

    .coach-flow div:nth-child(even) {
        padding-left: 18px;
        border-left: 1px solid var(--line-light);
    }

    .coach-flow div::after {
        display: none;
    }

    .coach-flow strong {
        margin-top: 20px;
    }

    .ecosystem-head {
        grid-template-columns: 1fr;
    }

    .ecosystem-head p {
        justify-self: start;
    }

    .roles {
        grid-template-columns: 1fr;
        margin-top: 56px;
    }

    .role,
    .role:not(:first-child) {
        min-height: auto;
        padding: 24px 0 50px;
        border-right: 0;
        border-bottom: 1px solid var(--line-dark);
    }

    .role h3 {
        margin-top: 26px;
    }

    .closing {
        min-height: 780px;
    }

    .closing-media img {
        object-position: 43% center;
    }

    .closing-title {
        font-size: clamp(52px, 14vw, 74px);
    }

    .site-footer {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .footer-links {
        justify-content: flex-start;
    }

    .hero-image-only {
        min-height: 100dvh;
        aspect-ratio: auto;
        display: grid;
        align-items: end;
    }

    .hero-image-only::before,
    .hero-image-only::after {
        display: block;
    }

    .hero-image-only::before {
        background:
            linear-gradient(180deg, rgba(5, 7, 8, 0.18) 0%, rgba(5, 7, 8, 0.08) 36%, rgba(5, 7, 8, 0.96) 82%),
            linear-gradient(90deg, rgba(5, 7, 8, 0.5), transparent 76%);
    }

    .hero-image-only .hero-media img {
        object-position: center;
        filter: saturate(0.82) contrast(1.05) brightness(0.78);
    }

    .hero-image-only .hero-inner {
        position: relative;
        display: grid;
        min-height: 100dvh;
        grid-template-columns: 1fr;
        align-items: end;
        padding: calc(112px + env(safe-area-inset-top, 0px)) var(--page-pad) calc(38px + env(safe-area-inset-bottom, 0px));
    }

    .hero-image-only .hero-content {
        width: 100%;
        max-width: 520px;
    }

    .hero-image-only .hero-kicker {
        margin-bottom: 12px;
        font-size: 10px;
    }

    .hero-image-only .hero-title {
        font-size: clamp(27px, 8.3vw, 38px);
        line-height: 1.08;
        letter-spacing: -0.045em;
    }

    .hero-image-only .hero-copy {
        max-width: 34ch;
        margin-top: 16px;
        font-size: 14px;
        line-height: 1.65;
    }

    .hero-image-only .hero-actions {
        margin-top: 22px;
    }
}

@media (max-width: 960px) and (orientation: landscape) {
    .hero-image-only,
    .hero-image-only .hero-inner {
        min-height: 100dvh;
    }

    .hero-image-only .hero-inner {
        padding-top: calc(74px + env(safe-area-inset-top, 0px));
        padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    }

    .hero-image-only .hero-content {
        max-width: 520px;
    }

    .hero-image-only .hero-kicker,
    .hero-image-only .hero-copy {
        display: none;
    }

    .hero-image-only .hero-title {
        font-size: clamp(26px, 4.4vw, 36px);
    }

    .hero-image-only .hero-actions {
        flex-direction: row;
        margin-top: 16px;
    }

    .hero-image-only .button {
        width: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}