/* ==========================================================================
   Editorial dark system — architecture-studio language
   bg #121212 · fg #F0EDE5 · gold #C6A165
   ========================================================================== */

:root {
    --bg: #121212;
    --bg-2: #171717;
    --bg-3: #1D1D1D;
    --bg-4: #232323;
    --fg: #F0EDE5;
    --fg-2: #D2CDC3;
    --muted: #958F84;
    --gold: #C6A165;
    --gold-2: #DDC398;
    --alert: #CE8A7E;
    --line: rgba(240, 237, 229, 0.14);
    --line-soft: rgba(240, 237, 229, 0.07);

    --wrap: 1240px;
    --gutter: 40px;

    --sans: "Inter", "Segoe UI", "Helvetica Neue", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC",
        system-ui, sans-serif;
    --serif: Georgia, "Times New Roman", serif;

    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg-2);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

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

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

p {
    margin: 0;
}

h1,
h2,
h3,
h4 {
    margin: 0;
    color: var(--fg);
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0.04em;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.4rem, 4.6vw, 3.9rem);
    line-height: 1.34;
    letter-spacing: 0.06em;
}

h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.35rem);
    line-height: 1.5;
}

h3 {
    font-size: 1.02rem;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.05em;
}

::selection {
    background: var(--gold);
    color: #121212;
}

:focus-visible {
    outline: 1px solid var(--gold);
    outline-offset: 4px;
}

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding-inline: var(--gutter);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -90px;
    z-index: 300;
    background: var(--gold);
    color: #121212;
    padding: 10px 18px;
    font-size: 12px;
    letter-spacing: 0.1em;
    transition: top 0.2s var(--ease);
}

.skip-link:focus {
    top: 16px;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 90;
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-soft);
    transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}

.site-header--overlay {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0));
    border-bottom-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.site-header--overlay.is-scrolled {
    background: rgba(18, 18, 18, 0.94);
    border-bottom-color: var(--line-soft);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 44px;
    height: 88px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: none;
}

.brand-mark {
    color: var(--gold);
    display: inline-flex;
}

.brand-logo {
    display: block;
    align-self: flex-start;
    height: 40px;
    width: auto;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.65));
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--fg);
    letter-spacing: 0.12em;
    line-height: 1.3;
}

.brand-sub {
    font-size: 9px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.45);
    margin-top: 5px;
    line-height: 1.4;
}

html[lang="en"] .brand-sub {
    display: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.site-nav a {
    position: relative;
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.6);
    padding: 8px 0;
    white-space: nowrap;
    transition: color 0.3s var(--ease);
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--fg);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: none;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.45);
}

.lang-switch a {
    transition: color 0.2s var(--ease);
}

.lang-switch a:hover {
    color: var(--fg);
}

.lang-switch a.is-active {
    color: var(--gold-2);
}

.lang-switch > span {
    color: rgba(240, 237, 229, 0.25);
}

.menu-toggle {
    display: none;
    align-items: center;
    gap: 11px;
    background: none;
    border: 0;
    padding: 8px 0;
    cursor: pointer;
    font: inherit;
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--fg);
}

.menu-toggle-bars {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.menu-toggle-bars i {
    display: block;
    height: 1px;
    background: currentColor;
    transition: transform 0.3s var(--ease);
}

body.menu-open .menu-toggle-bars i:first-child {
    transform: translateY(3px) rotate(45deg);
}

body.menu-open .menu-toggle-bars i:last-child {
    transform: translateY(-3px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 85;
    background: var(--bg);
    padding: 118px var(--gutter) 40px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 26px;
    font-weight: 300;
    color: var(--fg);
    letter-spacing: 0.08em;
}

.mobile-nav a .ico {
    color: var(--gold);
    width: 20px;
    height: 20px;
}

.mobile-nav a.is-active {
    color: var(--gold);
}

.mobile-menu-footer {
    margin-top: auto;
    padding-top: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* --------------------------------------------------------------------------
   Buttons & labels
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 15px 32px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 11px;
    line-height: 1.5;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.35s var(--ease), color 0.35s var(--ease),
        border-color 0.35s var(--ease);
}

.btn .ico {
    width: 14px;
    height: 14px;
    transition: transform 0.35s var(--ease);
}

.btn:hover .ico {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--gold);
    color: #141414;
}

.btn-primary:hover {
    background: var(--gold-2);
}

.btn-ghost {
    background: transparent;
    color: var(--fg);
    border-color: rgba(240, 237, 229, 0.26);
}

.btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold-2);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 10px;
}

.btn-outline-light {
    background: transparent;
    color: var(--fg);
    border-color: rgba(240, 237, 229, 0.28);
}

.btn-outline-light:hover {
    border-color: var(--gold);
    color: var(--gold-2);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.62);
    border-bottom: 1px solid var(--line);
    padding-bottom: 5px;
    transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.text-link:hover {
    color: var(--gold-2);
    border-bottom-color: var(--gold);
}

.text-link .ico {
    width: 14px;
    height: 14px;
    transition: transform 0.35s var(--ease);
}

.text-link:hover .ico {
    transform: translateX(4px);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
}

/* eyebrow / section label */
.eyebrow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin: 0 0 26px;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    line-height: 1.8;
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: currentColor;
    opacity: 0.6;
    flex: none;
}

.eyebrow-cn {
    letter-spacing: 0.14em;
    text-transform: none;
    color: rgba(240, 237, 229, 0.42);
    font-weight: 400;
}

.eyebrow-cn::before {
    content: "/";
    margin-right: 12px;
    color: rgba(240, 237, 229, 0.25);
}

.eyebrow a {
    border-bottom: 1px solid transparent;
}

.eyebrow a:hover {
    border-bottom-color: currentColor;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
    position: relative;
    padding: clamp(80px, 9vw, 140px) 0;
    overflow: hidden;
    scroll-margin-top: 96px;
}

.intro,
.collab,
.cta-band {
    scroll-margin-top: 96px;
}

.section--tight {
    padding: clamp(56px, 6.5vw, 96px) 0;
}

.section--alt {
    background: var(--bg-2);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.section-head {
    position: relative;
    max-width: 52rem;
    z-index: 1;
}

.section-head--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    max-width: none;
    flex-wrap: wrap;
}

.section-head h2,
.split-head h2 {
    max-width: 20em;
}

.section-note {
    margin-top: 34px;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--muted);
    line-height: 2;
}

.ghost {
    position: absolute;
    right: -2vw;
    top: -0.3em;
    z-index: 0;
    font-family: var(--serif);
    font-size: clamp(90px, 17vw, 260px);
    line-height: 1;
    letter-spacing: 0.04em;
    color: rgba(240, 237, 229, 0.028);
    text-transform: uppercase;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    place-items: center;
    padding: 140px 0 110px;
    overflow: hidden;
    background: #0C0C0C;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 42%;
    filter: saturate(0.78) contrast(1.04) brightness(0.82);
}

.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(6, 6, 6, 0.74) 0%,
        rgba(6, 6, 6, 0.4) 38%,
        rgba(12, 12, 12, 0.74) 76%,
        var(--bg) 100%
    );
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        90deg,
        rgba(6, 6, 6, 0.55) 0%,
        rgba(6, 6, 6, 0) 22%,
        rgba(6, 6, 6, 0) 78%,
        rgba(6, 6, 6, 0.5) 100%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding-inline: var(--gutter);
    text-align: center;
}

.hero-kicker {
    margin-bottom: 30px;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.72);
}

.hero h1 {
    color: #FFFFFF;
    font-size: clamp(2.5rem, 5.2vw, 4.4rem);
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.45;
    text-shadow: 0 2px 40px rgba(0, 0, 0, 0.45);
}

html[lang="en"] .hero h1 {
    font-size: clamp(2.2rem, 4.2vw, 3.6rem);
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.hero-sub {
    margin: 28px auto 0;
    max-width: 40em;
    font-size: 14.5px;
    line-height: 2.1;
    color: rgba(255, 255, 255, 0.78);
    text-wrap: pretty;
    text-shadow: 0 1px 24px rgba(0, 0, 0, 0.5);
}

.hero .actions {
    justify-content: center;
    margin-top: 42px;
}

.hero-rail {
    position: absolute;
    left: 36px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    color: rgba(240, 237, 229, 0.55);
}

.rail-index {
    font-family: var(--serif);
    font-size: 26px;
    color: var(--gold-2);
    line-height: 1;
}

.rail-total {
    font-size: 9px;
    letter-spacing: 0.2em;
    color: rgba(240, 237, 229, 0.35);
}

.rail-line {
    width: 1px;
    height: 90px;
    background: linear-gradient(to bottom, rgba(240, 237, 229, 0.35), rgba(240, 237, 229, 0.02));
}

.rail-label {
    writing-mode: vertical-rl;
    font-size: 9px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.45);
}

.hero-scroll {
    position: absolute;
    left: 50%;
    bottom: 34px;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 8.5px;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.4);
}

.hero-scroll::after {
    content: "";
    width: 1px;
    height: 44px;
    background: linear-gradient(to bottom, rgba(240, 237, 229, 0.35), rgba(240, 237, 229, 0));
}

/* --------------------------------------------------------------------------
   Intro / positioning
   -------------------------------------------------------------------------- */

.intro {
    position: relative;
    background: var(--bg);
    padding: clamp(80px, 9vw, 140px) 0;
    overflow: hidden;
}

.intro-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
}

.intro h2 {
    max-width: 16em;
    margin-bottom: 26px;
}

.intro-body p {
    font-size: 14.5px;
    line-height: 2.1;
    color: var(--muted);
    max-width: 38em;
}

.intro-body p + p {
    margin-top: 20px;
}

.intro-media {
    position: relative;
    margin: 0;
    border: 1px solid var(--line-soft);
}

.intro-media img {
    width: 100%;
    aspect-ratio: 4 / 4.6;
    object-fit: cover;
    filter: saturate(0.55) contrast(1.06) brightness(0.8);
}

.intro-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to left,
        rgba(0, 0, 0, 0.55) 0%,
        rgba(0, 0, 0, 0.2) 16%,
        rgba(0, 0, 0, 0) 32%
    );
    pointer-events: none;
}

.intro-media figcaption {
    position: absolute;
    right: 14px;
    top: 0;
    bottom: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    writing-mode: vertical-rl;
    font-size: 8.5px;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.55);
}

/* --------------------------------------------------------------------------
   Services
   -------------------------------------------------------------------------- */

.service-list {
    position: relative;
    z-index: 1;
    list-style: none;
    margin: 54px 0 0;
    padding: 0;
    border-top: 1px solid var(--line);
}

.service-row {
    border-bottom: 1px solid var(--line);
}

.service-row-link {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr) minmax(0, 1.05fr) auto;
    gap: 30px;
    align-items: center;
    padding: 36px 8px;
    transition: background 0.45s var(--ease), padding 0.45s var(--ease);
}

.service-num {
    font-family: var(--serif);
    font-size: 20px;
    letter-spacing: 0.08em;
    color: var(--gold);
    opacity: 0.85;
    transition: opacity 0.4s var(--ease);
}

.service-name {
    font-size: clamp(1.12rem, 1.6vw, 1.4rem);
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--fg);
    line-height: 1.7;
}

.service-desc {
    font-size: 13px;
    line-height: 2;
    color: var(--muted);
}

.service-link {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    color: rgba(240, 237, 229, 0.5);
}

.service-link-text {
    font-size: 9.5px;
    letter-spacing: 0.18em;
    white-space: nowrap;
    transition: color 0.35s var(--ease);
}

.service-link .ico {
    width: 40px;
    height: 40px;
    padding: 11px;
    border: 1px solid var(--line);
    border-radius: 50%;
    transition: border-color 0.4s var(--ease), background 0.4s var(--ease),
        color 0.4s var(--ease);
}

.service-row-link:hover {
    background: rgba(240, 237, 229, 0.025);
    padding-left: 20px;
}

.service-row-link:hover .service-num {
    opacity: 1;
}

.service-row-link:hover .service-link-text {
    color: var(--gold-2);
}

.service-row-link:hover .service-link .ico {
    background: var(--gold);
    border-color: var(--gold);
    color: #141414;
}

.service-list--large .service-row-link {
    grid-template-columns: 110px minmax(0, 1fr) auto;
    padding: 44px 8px;
}

.service-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section > .wrap > .service-list:first-child {
    margin-top: 0;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 56px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
}

.card {
    position: relative;
    background: var(--bg);
    padding: clamp(30px, 3.4vw, 52px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: background 0.45s var(--ease);
}

.section--alt .card {
    background: #1B1B1B;
}

.card:hover {
    background: var(--bg-3);
}

.card-index {
    display: block;
    font-family: var(--serif);
    font-size: 46px;
    line-height: 1;
    color: rgba(240, 237, 229, 0.12);
    margin-bottom: 18px;
    transition: color 0.45s var(--ease);
}

.card:hover .card-index {
    color: rgba(198, 161, 101, 0.7);
}

.card h3 {
    font-size: 1.06rem;
    font-weight: 400;
    letter-spacing: 0.06em;
}

.card p {
    font-size: 13.5px;
    line-height: 2;
    color: var(--muted);
}

.card-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card--plain {
    padding: clamp(30px, 3.4vw, 52px);
}

/* --------------------------------------------------------------------------
   Steps
   -------------------------------------------------------------------------- */

.steps {
    position: relative;
    z-index: 1;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 34px;
    margin: 66px 0 0;
    padding: 0;
}

.steps::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 19px;
    height: 1px;
    background: var(--line);
}

.step {
    position: relative;
    padding-top: 58px;
}

.step-num {
    position: absolute;
    top: 0;
    left: 0;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 50%;
    font-family: var(--serif);
    font-size: 10.5px;
    letter-spacing: 0.04em;
    color: var(--gold);
    transition: background 0.35s var(--ease), color 0.35s var(--ease),
        border-color 0.35s var(--ease);
}

.section--alt .step-num {
    background: var(--bg-2);
}

.step:hover .step-num {
    background: var(--gold);
    border-color: var(--gold);
    color: #141414;
}

.step h3 {
    margin-bottom: 12px;
    font-weight: 400;
}

.step p {
    font-size: 13.5px;
    line-height: 2;
    color: var(--muted);
}

/* --------------------------------------------------------------------------
   Collaboration
   -------------------------------------------------------------------------- */

.collab {
    position: relative;
    background: var(--bg-2);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    padding: clamp(84px, 9vw, 140px) 0;
    overflow: hidden;
}

.collab > .wrap {
    position: relative;
    z-index: 1;
}

.collab-intro {
    max-width: 58em;
    margin-top: 24px;
    font-size: 14.5px;
    line-height: 2.1;
    color: var(--muted);
}

.collab-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1fr);
    gap: 24px;
    margin-top: 60px;
    align-items: stretch;
}

.collab-col {
    border: 1px solid var(--line);
    padding: 32px;
    background: rgba(240, 237, 229, 0.015);
}

.collab-name {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--fg);
    margin-bottom: 22px;
}

.collab-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
    font-size: 13px;
    color: rgba(240, 237, 229, 0.55);
}

.collab-list li {
    position: relative;
    padding-left: 18px;
    line-height: 1.9;
}

.collab-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 8px;
    height: 1px;
    background: var(--gold);
    opacity: 0.7;
}

.collab-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.collab-line {
    width: 1px;
    flex: 1;
    min-height: 20px;
    background: linear-gradient(to bottom, rgba(198, 161, 101, 0.03), rgba(198, 161, 101, 0.45));
}

.collab-connector .collab-line:last-child {
    background: linear-gradient(to bottom, rgba(198, 161, 101, 0.45), rgba(198, 161, 101, 0.03));
}

.collab-node {
    font-family: var(--serif);
    font-size: 9px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold-2);
    border: 1px solid rgba(198, 161, 101, 0.35);
    border-radius: 999px;
    padding: 8px 14px;
    white-space: nowrap;
}

.collab-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 48px;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--line-soft);
}

.collab-note {
    font-size: 11px;
    line-height: 2;
    color: rgba(240, 237, 229, 0.35);
    max-width: 62em;
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */

.cta-band {
    position: relative;
    padding: clamp(80px, 9vw, 130px) 0;
    border-top: 1px solid var(--line-soft);
    overflow: hidden;
    text-align: center;
}

.cta-band--soft {
    background: var(--bg-2);
}

.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.cta-inner h2 {
    font-size: clamp(1.9rem, 3.6vw, 3rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    max-width: 16em;
}

.cta-inner p {
    font-size: 14px;
    line-height: 2.1;
    color: var(--muted);
    max-width: 42em;
    text-wrap: pretty;
}

/* CTA with photo background */
.cta-band--image {
    min-height: 560px;
    display: grid;
    place-items: center;
    border-top: none;
}

.cta-band--image > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.65) brightness(0.78);
}

.cta-band--image::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.32)),
        linear-gradient(180deg, rgba(12, 12, 12, 0.55), rgba(12, 12, 12, 0.22) 50%, rgba(18, 18, 18, 0.9));
    pointer-events: none;
}

.cta-band--image .cta-inner h2,
.cta-band--image .cta-inner p {
    color: #FFFFFF;
}

.cta-band--image .cta-inner h2 {
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.cta-band--image .cta-inner p {
    color: rgba(255, 255, 255, 0.84);
    font-size: 15px;
    text-shadow: 0 1px 18px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   Inner page head
   -------------------------------------------------------------------------- */

.page-head {
    position: relative;
    padding-top: clamp(150px, 13vw, 200px);
    padding-bottom: clamp(40px, 4.5vw, 64px);
    background: var(--bg);
    overflow: hidden;
}

.page-head h1 {
    max-width: 18em;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.page-lead {
    margin-top: 28px;
    max-width: 46em;
    font-size: clamp(0.98rem, 1.15vw, 1.06rem);
    line-height: 2.1;
    color: var(--muted);
    text-wrap: pretty;
}

.page-meta {
    margin-top: 20px;
    font-family: var(--serif);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--gold);
    text-transform: uppercase;
}

.page-head--error .actions {
    margin-top: 36px;
}

/* page head with background image */
.page-head--image {
    display: flex;
    align-items: flex-end;
    min-height: clamp(440px, 46vw, 580px);
    padding-top: clamp(160px, 15vw, 230px);
    padding-bottom: clamp(48px, 5.5vw, 76px);
    border-bottom: 1px solid var(--line-soft);
}

.page-head-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.6) brightness(0.6);
}

.page-head--image::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.32)),
        linear-gradient(180deg, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.32) 45%, rgba(10, 10, 10, 0.86) 100%);
    pointer-events: none;
}

.page-head--image > .wrap {
    position: relative;
    z-index: 2;
    width: 100%;
}

.page-head--image h1 {
    color: #FFFFFF;
    text-shadow: 0 2px 32px rgba(0, 0, 0, 0.45);
}

.page-head--image .page-lead {
    color: rgba(255, 255, 255, 0.8);
}

.page-head--image .eyebrow {
    color: var(--gold-2);
}

.page-head--image .eyebrow-cn {
    color: rgba(255, 255, 255, 0.55);
}

.page-head--image .eyebrow::before {
    background: var(--gold-2);
}

.page-head + .section,
.page-head + .section--tight {
    padding-top: clamp(24px, 3vw, 40px);
}

/* --------------------------------------------------------------------------
   Service detail
   -------------------------------------------------------------------------- */

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 270px;
    gap: clamp(48px, 7vw, 110px);
    align-items: start;
}

.detail-intro p {
    font-size: 16.5px;
    line-height: 2.15;
    color: var(--fg-2);
}

.detail-intro p + p {
    margin-top: 20px;
}

.detail-block {
    margin-top: clamp(44px, 5vw, 64px);
    border-top: 1px solid var(--line-soft);
    padding-top: 28px;
}

.detail-block h2 {
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
    font-weight: 400;
}

.detail-block h2::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 1px;
    background: var(--gold);
    vertical-align: middle;
    margin-right: 12px;
    transform: translateY(-2px);
}

.detail-block p {
    font-size: 14.5px;
    line-height: 2.1;
    color: var(--muted);
}

.bullets {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 13px;
}

.bullets li {
    position: relative;
    padding-left: 24px;
    font-size: 14.5px;
    line-height: 2;
    color: var(--fg-2);
}

.bullets li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.05em;
    width: 9px;
    height: 1px;
    background: var(--gold);
}

.detail-block--boundary {
    border-top: none;
    border-left: 1px solid var(--gold);
    background: var(--bg-2);
    padding: 26px 30px;
}

.detail-block--boundary p {
    margin: 0;
}

.detail-cta {
    margin-top: clamp(44px, 5vw, 64px);
    border-top: 1px solid var(--line-soft);
    padding-top: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.detail-cta p {
    font-size: 12.5px;
    line-height: 2;
    color: var(--muted);
    max-width: 34em;
    margin: 0;
}

.next-service {
    margin-top: 44px;
    padding-top: 24px;
    border-top: 1px solid var(--line-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.next-service-label {
    font-family: var(--serif);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
}

.next-service-name {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    letter-spacing: 0.04em;
    color: var(--fg);
}

.next-service-name .ico {
    transition: transform 0.35s var(--ease);
}

.next-service:hover .next-service-name .ico {
    transform: translateX(5px);
}

.detail-aside {
    position: sticky;
    top: 116px;
    border-top: 1px solid var(--line);
    padding-top: 24px;
}

.aside-label {
    font-family: var(--serif);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 18px;
}

.aside-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.aside-list a {
    display: flex;
    gap: 14px;
    padding: 12px 0;
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--muted);
    border-bottom: 1px solid var(--line-soft);
    transition: color 0.25s var(--ease), padding-left 0.3s var(--ease);
}

.aside-list a:hover,
.aside-list a.is-active {
    color: var(--fg);
}

.aside-list a:hover {
    padding-left: 4px;
}

.aside-list a.is-active {
    color: var(--gold-2);
}

.aside-num {
    font-family: var(--serif);
    font-size: 10px;
    color: var(--gold);
    padding-top: 4px;
    flex: none;
}

.aside-back {
    display: inline-block;
    margin-top: 24px;
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--line);
    padding-bottom: 4px;
}

.aside-back:hover {
    color: var(--gold-2);
}

/* --------------------------------------------------------------------------
   Modes / clarity / FAQ
   -------------------------------------------------------------------------- */

.mode-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin-top: 56px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
}

.mode {
    background: var(--bg);
    padding: clamp(28px, 3vw, 44px);
    transition: background 0.45s var(--ease);
}

.section--alt .mode {
    background: var(--bg-2);
}

.mode:hover {
    background: var(--bg-3);
}

.mode-index {
    font-family: var(--serif);
    font-size: 34px;
    line-height: 1;
    color: rgba(240, 237, 229, 0.12);
}

.mode h3 {
    margin: 26px 0 12px;
    font-weight: 400;
    font-size: 1.04rem;
}

.mode p {
    font-size: 13.5px;
    line-height: 2;
    color: var(--muted);
}

.clarity-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 44px;
}

.clarity-list li {
    display: flex;
    gap: 16px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
    line-height: 1.95;
}

.clarity-num {
    font-family: var(--serif);
    font-size: 10px;
    color: var(--gold);
    padding-top: 6px;
    flex: none;
    letter-spacing: 0.06em;
}

.faq {
    position: relative;
    z-index: 1;
    margin-top: 44px;
    border-top: 1px solid var(--line);
}

.faq-item {
    border-bottom: 1px solid var(--line-soft);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 26px 0;
    font-size: 14.5px;
    letter-spacing: 0.04em;
    color: var(--fg);
    transition: color 0.25s var(--ease);
}

.faq-item summary:hover {
    color: var(--gold-2);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-icon {
    position: relative;
    width: 15px;
    height: 15px;
    flex: none;
    color: var(--gold);
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    background: currentColor;
    transition: transform 0.3s var(--ease);
}

.faq-icon::before {
    left: 0;
    top: 7px;
    width: 15px;
    height: 1px;
}

.faq-icon::after {
    left: 7px;
    top: 0;
    width: 1px;
    height: 15px;
}

.faq-item[open] .faq-icon::after {
    transform: scaleY(0);
}

.faq-answer {
    padding-bottom: 28px;
    max-width: 62ch;
}

.faq-answer p {
    margin: 0;
    font-size: 14px;
    line-height: 2.1;
    color: var(--muted);
}

/* --------------------------------------------------------------------------
   Split / about
   -------------------------------------------------------------------------- */

.split {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: clamp(40px, 6vw, 104px);
    border-top: 1px solid var(--line);
    padding-top: clamp(40px, 5vw, 64px);
}

.split--alt {
    grid-template-columns: 0.8fr 1.2fr;
}

.split-body p {
    font-size: 14.5px;
    line-height: 2.1;
    color: var(--muted);
    max-width: 40em;
}

.split-body p + p {
    margin-top: 20px;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1.02fr 0.98fr;
    gap: clamp(44px, 6vw, 96px);
    align-items: center;
}

.about-lead {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: 2;
    color: var(--fg-2);
}

.about-lead + .about-lead {
    margin-top: 24px;
    font-size: clamp(0.96rem, 1.05vw, 1rem);
    color: var(--muted);
}

.about-media {
    position: relative;
    margin: 0;
    border: 1px solid var(--line-soft);
}

.about-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    filter: saturate(0.55) contrast(1.06) brightness(0.82);
}

.about-media::after {
    content: "";
    position: absolute;
    right: -14px;
    bottom: -14px;
    width: 110px;
    height: 110px;
    border-right: 1px solid var(--gold);
    border-bottom: 1px solid var(--gold);
    opacity: 0.55;
    pointer-events: none;
}

.relation {
    position: relative;
    background: var(--bg-2);
    border-top: 1px solid var(--line-soft);
    padding: clamp(72px, 8.5vw, 130px) 0;
    overflow: hidden;
}

.relation > .wrap {
    position: relative;
    z-index: 1;
}

.relation h2 {
    max-width: 15em;
    font-weight: 300;
}

.relation-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(36px, 5vw, 96px);
}

.relation p {
    font-size: 14px;
    line-height: 2.1;
    margin-bottom: 20px;
    color: var(--muted);
}

.relation .btn {
    margin-top: 12px;
}

.company-info {
    display: grid;
    grid-template-columns: 0.5fr 1.5fr;
    gap: clamp(36px, 5vw, 96px);
    align-items: start;
}

.company-info h2 {
    font-size: 1.25rem;
    font-weight: 400;
}

.company-info dl {
    margin: 0;
}

.company-info dl > div {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line-soft);
}

.company-info dt {
    font-size: 9.5px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    padding-top: 6px;
}

.company-info dd {
    margin: 0;
    font-size: 14px;
    line-height: 2;
}

.company-info dd a {
    border-bottom: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   Image band
   -------------------------------------------------------------------------- */

.band {
    position: relative;
    height: clamp(280px, 36vw, 480px);
    overflow: hidden;
    background: #0C0C0C;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.band img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 62%;
    filter: saturate(0.7) brightness(0.78);
}

.band::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)),
        linear-gradient(180deg, rgba(10, 10, 10, 0.25) 0%, rgba(10, 10, 10, 0.65) 100%);
    pointer-events: none;
}

.band--about {
    height: clamp(240px, 30vw, 420px);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(48px, 6vw, 104px);
    align-items: start;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px 30px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.field--full {
    margin-top: 26px;
}

.field--full + .form-grid {
    margin-top: 26px;
}

.field label {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(240, 237, 229, 0.62);
}

.req {
    color: var(--gold);
}

.optional {
    font-size: 9px;
    color: rgba(240, 237, 229, 0.35);
    letter-spacing: 0.1em;
}

input,
select,
textarea {
    width: 100%;
    font: inherit;
    font-size: 14.5px;
    color: var(--fg);
    background: var(--bg-2);
    border: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 14px 16px;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

input::placeholder,
textarea::placeholder {
    color: rgba(240, 237, 229, 0.3);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    background: var(--bg-3);
    border-color: var(--gold);
}

textarea {
    min-height: 158px;
    line-height: 1.95;
    resize: vertical;
}

select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 44px;
    cursor: pointer;
}

.select-wrap {
    position: relative;
}

.select-arrow {
    position: absolute;
    right: 18px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-right: 1px solid var(--gold);
    border-bottom: 1px solid var(--gold);
    transform: translateY(-70%) rotate(45deg);
    pointer-events: none;
}

.has-error input,
.has-error select,
.has-error textarea {
    border-color: var(--alert);
}

.field-error {
    font-size: 11.5px;
    line-height: 1.8;
    color: var(--alert);
}

.form-alert {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 16px 20px;
    margin-bottom: 22px;
    background: rgba(206, 138, 126, 0.08);
    border-left: 1px solid var(--alert);
    font-size: 12.5px;
    line-height: 1.9;
    color: #E3A99E;
}

.form-hint {
    margin-bottom: 22px;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: rgba(240, 237, 229, 0.35);
}

.form-actions {
    margin-top: 32px;
}

.form-actions .btn {
    min-width: 190px;
}

.form-actions .btn[disabled] {
    opacity: 0.6;
    cursor: progress;
}

.form-note {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--line-soft);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.form-note p {
    font-size: 11px;
    line-height: 2;
    color: rgba(240, 237, 229, 0.38);
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-success {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: clamp(34px, 4vw, 52px);
    background: var(--bg-2);
    border: 1px solid var(--line-soft);
}

.form-success-icon {
    color: var(--gold);
}

.form-success h2 {
    font-size: clamp(1.1rem, 1.7vw, 1.35rem);
    font-weight: 300;
    line-height: 1.9;
    max-width: 30ch;
}

.contact-aside {
    border-top: 1px solid var(--line);
    padding-top: 24px;
}

.contact-list {
    margin: 0;
    display: grid;
    gap: 24px;
}

.contact-list dt {
    font-family: var(--serif);
    font-size: 9.5px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 7px;
}

.contact-list dd {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.95;
    color: var(--fg-2);
}

.contact-list dd a {
    border-bottom: 1px solid var(--line);
}

.contact-note {
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid var(--line-soft);
    font-size: 11.5px;
    line-height: 2;
    color: rgba(240, 237, 229, 0.4);
}

/* --------------------------------------------------------------------------
   Privacy prose
   -------------------------------------------------------------------------- */

.prose {
    max-width: 740px;
}

.prose-lead {
    font-size: 15.5px;
    line-height: 2.15;
    color: var(--fg-2);
}

.prose-section {
    margin-top: clamp(40px, 4.5vw, 56px);
    padding-top: 28px;
    border-top: 1px solid var(--line-soft);
}

.prose-section h2 {
    font-size: 1.02rem;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    font-weight: 400;
}

.prose-section p {
    font-size: 13.5px;
    line-height: 2.1;
    color: var(--muted);
    margin-bottom: 16px;
}

.prose-section p:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
    position: relative;
    background: #0C0C0C;
    color: rgba(240, 237, 229, 0.55);
    padding: clamp(64px, 7vw, 100px) 0 34px;
    font-size: 13px;
    border-top: 1px solid var(--line-soft);
    overflow: hidden;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--line-soft);
}

.footer-label {
    font-family: var(--serif);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 18px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-nav a {
    font-size: 12px;
    letter-spacing: 0.06em;
    transition: color 0.2s var(--ease);
}

.footer-contact p {
    margin-bottom: 10px;
    line-height: 2;
    font-size: 12px;
}

.site-footer a:hover {
    color: var(--gold-2);
}

.footer-partner {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 26px 0;
    border-bottom: 1px solid var(--line-soft);
}

.footer-partner .footer-label {
    margin: 0;
}

.footer-partner a {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 12px;
    color: var(--fg-2);
}

.footer-disclaimer {
    max-width: 84ch;
    padding-top: 24px;
    font-size: 10.5px;
    line-height: 2.1;
    color: rgba(240, 237, 229, 0.3);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line-soft);
    font-size: 10.5px;
    color: rgba(240, 237, 229, 0.38);
}

.footer-bottom a {
    border-bottom: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   Reveal
   -------------------------------------------------------------------------- */

.js [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1320px) {
    .site-nav {
        gap: 30px;
    }

    .header-actions {
        gap: 20px;
    }
}

@media (max-width: 1220px) {
    .brand-sub {
        display: none;
    }

    .site-nav {
        gap: 24px;
    }
}

@media (max-width: 1080px) {
    .header-inner {
        gap: 26px;
    }

    .site-nav {
        gap: 20px;
    }

    .header-actions {
        gap: 16px;
    }

    .hero-rail {
        display: none;
    }

    .intro-grid,
    .split,
    .split--alt,
    .about-intro-grid,
    .relation-grid,
    .company-info,
    .contact-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .intro-media {
        order: -1;
        max-width: 560px;
    }

    .intro-media img {
        aspect-ratio: 4 / 3;
    }

    .about-media {
        order: -1;
    }

    .about-media::after {
        display: none;
    }

    .detail-aside,
    .contact-aside {
        position: static;
        margin-top: 8px;
    }

    .steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 42px 32px;
    }

    .steps::before {
        display: none;
    }

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

    .collab-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .collab-connector {
        flex-direction: row;
        gap: 12px;
    }

    .collab-line {
        width: auto;
        height: 1px;
        min-height: 0;
        flex: 1;
        background: linear-gradient(to right, rgba(198, 161, 101, 0.03), rgba(198, 161, 101, 0.45));
    }

    .collab-connector .collab-line:last-child {
        background: linear-gradient(to right, rgba(198, 161, 101, 0.45), rgba(198, 161, 101, 0.03));
    }

    .collab-foot {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }
}

@media (max-width: 860px) {
    .site-nav,
    .header-cta {
        display: none;
    }

    .header-inner {
        height: 72px;
        gap: 14px;
    }

    .brand {
        flex: 1 1 auto;
        min-width: 0;
    }

    .brand-text {
        min-width: 0;
    }

    .brand-name {
        display: block;
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .brand-logo {
        height: 30px;
    }

    .header-actions {
        margin-left: auto;
        flex: none;
        gap: 14px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .hero {
        min-height: 92vh;
        padding: 120px 0 90px;
    }

    .service-row-link,
    .service-list--large .service-row-link {
        grid-template-columns: 52px minmax(0, 1fr);
        grid-template-areas:
            "num name"
            "num desc"
            ".  link";
        gap: 10px 18px;
        padding: 28px 0;
    }

    .service-num {
        grid-area: num;
        padding-top: 4px;
        font-size: 17px;
    }

    .service-name {
        grid-area: name;
    }

    .service-desc {
        grid-area: desc;
    }

    .service-link {
        grid-area: link;
        justify-content: flex-start;
        margin-top: 12px;
    }

    .service-list--large .service-body {
        grid-area: name;
        gap: 8px;
    }

    .service-list--large .service-desc {
        grid-area: desc;
    }

    .service-row-link:hover,
    .service-list--large .service-row-link:hover {
        padding-left: 0;
    }

    .next-service {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 700px) {
    :root {
        --gutter: 22px;
    }

    body {
        font-size: 15.5px;
    }

    h1 {
        font-size: clamp(1.95rem, 7.6vw, 2.5rem);
        letter-spacing: 0.05em;
    }

    h2 {
        font-size: clamp(1.4rem, 5.4vw, 1.85rem);
    }

    .hero h1 {
        letter-spacing: 0.08em;
        line-height: 1.55;
    }

    .hero-sub {
        font-size: 14px;
        line-height: 2;
    }

    .hero-scroll {
        display: none;
    }

    .page-head--image {
        min-height: 380px;
        padding-top: 140px;
        padding-bottom: 40px;
    }

    /* 正文不小于 16px */
    .lede,
    .hero-sub,
    .split-body p,
    .card p,
    .step p,
    .service-desc,
    .mode p,
    .detail-intro p,
    .detail-block p,
    .bullets li,
    .faq-answer p,
    .prose-section p,
    .about-lead,
    .relation p,
    .intro-body p,
    .contact-note,
    .form-note p,
    .contact-list dd {
        font-size: 16px;
        line-height: 2;
    }

    .hero .actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin-inline: auto;
    }

    .hero .actions .btn {
        width: 100%;
    }

    .card-grid,
    .card-grid--2,
    .steps,
    .clarity-list,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        gap: 4px;
        margin-top: 48px;
    }

    .steps::before {
        display: none;
    }

    .step {
        padding: 26px 0;
        border-top: 1px solid var(--line-soft);
    }

    .step-num {
        position: static;
        display: inline-grid;
        margin-bottom: 16px;
        width: 34px;
        height: 34px;
    }

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

    .mode {
        padding: 28px 24px;
    }

    .detail-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 22px;
    }

    .company-info dl > div {
        grid-template-columns: 1fr;
        gap: 5px;
        padding: 16px 0;
    }

    .company-info dt {
        padding-top: 0;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-partner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .ghost {
        font-size: 34vw;
        top: -0.05em;
    }

    .cta-band--image {
        min-height: 440px;
    }

    .band {
        height: 300px;
    }

    input,
    select,
    textarea {
        font-size: 16px;
    }

    .form-success h2 {
        font-size: 1.05rem;
    }
}

@media (max-width: 420px) {
    .menu-toggle-label {
        display: none;
    }

    .lang-switch {
        font-size: 10px;
    }
}

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

    .js [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}