/* ================================================================
   RIVULET LAB — FIELD NOTES
   Editorial treatment for index.html content between hero + footer.
   Scoped entirely under .rlx so the hero and footer stay untouched.
   ================================================================ */

:root {
    --rlx-blue: #1456f0;
    --rlx-paper: #f2f0e8;
    --rlx-pad: clamp(20px, 4.4vw, 76px);
    --rlx-mono: 'SFMono-Regular', 'Cascadia Mono', 'Roboto Mono', Consolas, 'Liberation Mono', monospace;
}

.rlx {
    --rlx-blue: #1456f0;
    --rlx-blue-soft: #8cb0ff;
    --rlx-paper: #f2f0e8;
    --rlx-paper-deep: #e9e5d8;
    --rlx-ink: #0b0b0b;
    --rlx-fg: #0b0b0b;
    --rlx-bg: #f2f0e8;
    --rlx-muted: rgba(11, 11, 11, 0.62);
    --rlx-faint: rgba(11, 11, 11, 0.38);
    --rlx-line: rgba(11, 11, 11, 0.17);
    --rlx-line-strong: rgba(11, 11, 11, 0.72);
    --rlx-pad: clamp(20px, 4.4vw, 76px);
    --rlx-sans: 'Google Sans Flex', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --rlx-serif: 'Songti SC', 'STSong', 'Noto Serif CJK SC', 'Source Han Serif SC', 'SimSun', serif;
    --rlx-mono: 'SFMono-Regular', 'Cascadia Mono', 'Roboto Mono', Consolas, 'Liberation Mono', monospace;
    position: relative;
    z-index: 2;
    overflow: clip;
    background: var(--rlx-bg);
    color: var(--rlx-fg);
    font-family: var(--rlx-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.rlx ::selection {
    background: var(--rlx-blue);
    color: #fff;
}

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

.rlx img {
    display: block;
    max-width: 100%;
}

.rlx button {
    font: inherit;
}

.rlx section {
    scroll-margin-top: 12px;
}

/* ----------------------------------------------------------------
   Masthead — the issue cover between the hero and the contents
   ---------------------------------------------------------------- */

.rlx-mast {
    position: relative;
    padding: 0 var(--rlx-pad);
    background: var(--rlx-paper);
    border-bottom: 1px solid var(--rlx-line-strong);
    color: var(--rlx-ink);
}

.rlx-mast-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
    border-bottom: 1px solid var(--rlx-line);
    font-family: var(--rlx-mono);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.rlx-mast-meta span:nth-child(2) {
    color: var(--rlx-muted);
}

.rlx-mast-grid {
    display: grid;
    /* 编号列 1.05fr × 1.1 = 1.155fr，给两位数字留出安全宽度 */
    grid-template-columns: 1.155fr 3.1fr 1.85fr;
    align-items: stretch;
    gap: clamp(28px, 4vw, 72px);
    padding: clamp(42px, 7vw, 94px) 0 clamp(34px, 5vw, 68px);
}

/* 数字是两位 tabular-nums，宽度约等于字号本身；
   网格项默认 min-width:auto，字号超过列宽会把整行撑爆、
   右侧两列被推出 .rlx 的 overflow:clip 裁切区。
   修法：允许列收缩 + 字号跟随列宽（列1 ≈ 可用宽的 17.5%）。 */
.rlx-mast-grid > * {
    min-width: 0;
}

.rlx-mast-fig {
    align-self: end;
    margin: 0;
    color: var(--rlx-blue);
    font-size: clamp(8rem, 14vw, 17rem);
    font-weight: 600;
    /* 0.66 会让字形高度（约 0.72em）溢出 line box，视觉上顶破上下边界；
       0.78 保证字形完整落在盒子内，同时保留紧凑观感 */
    line-height: 0.78;
    letter-spacing: -0.11em;
    font-variant-numeric: tabular-nums;
}

.rlx-mast-fig sup {
    display: inline-block;
    margin-left: 0.05em;
    color: var(--rlx-ink);
    font-family: var(--rlx-mono);
    font-size: max(12px, 0.075em);
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.04em;
    vertical-align: top;
    transform: translateY(0.35em);
}

.rlx-mast-statement {
    min-width: 0;
    max-width: 760px;
    align-self: center;
}

.rlx-mast-kicker,
.rlx-eyebrow {
    margin: 0 0 20px;
    color: var(--rlx-blue);
    font-family: var(--rlx-mono);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.rlx-mast-lede {
    margin: 0;
    font-family: var(--rlx-serif);
    font-size: clamp(1.65rem, 2.95vw, 3.35rem);
    font-weight: 400;
    line-height: 1.34;
    letter-spacing: -0.035em;
}

.rlx-mast-lede strong {
    color: var(--rlx-blue);
    font-weight: 400;
}

.rlx-mast-copy {
    max-width: 54ch;
    margin: clamp(24px, 3vw, 38px) 0 0;
    padding-top: 18px;
    border-top: 1px solid var(--rlx-line);
    color: var(--rlx-muted);
    font-size: 14px;
    line-height: 1.95;
}

.rlx-mast-nav {
    display: flex;
    flex-direction: column;
    align-self: stretch;
    justify-content: flex-end;
    border-top: 1px solid var(--rlx-line-strong);
}

.rlx-mast-nav a {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid var(--rlx-line);
    font-size: 14px;
    line-height: 1.4;
    transition: color 0.28s ease, padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-mast-nav a > span {
    color: var(--rlx-blue);
    font-family: var(--rlx-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
}

.rlx-mast-nav a > em {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    font-style: normal;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.rlx-mast-nav a:hover,
.rlx-mast-nav a:focus-visible {
    padding-left: 10px;
    color: var(--rlx-blue);
}

.rlx-mast-foot {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 10px 0 16px;
    border-top: 1px solid var(--rlx-line);
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ----------------------------------------------------------------
   Shared section grammar
   ---------------------------------------------------------------- */

.rlx-sec {
    position: relative;
    padding-block: clamp(96px, 11.2vw, 176px) clamp(84px, 9.6vw, 152px);
    padding-inline: var(--rlx-pad);
    border-bottom: 1px solid var(--rlx-line-strong);
    background: var(--rlx-bg);
    color: var(--rlx-fg);
}

.rlx-head {
    display: grid;
    grid-template-columns: minmax(56px, 0.75fr) minmax(0, 6.2fr) minmax(230px, 3fr);
    align-items: start;
    gap: clamp(22px, 3vw, 52px);
    margin-bottom: clamp(52px, 8vw, 110px);
}

.rlx-no {
    margin: 8px 0 0;
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.1em;
}

.rlx-no span {
    color: var(--rlx-blue);
    font-size: 12px;
}

.rlx-head-title {
    min-width: 0;
}

.rlx-eyebrow {
    margin-bottom: clamp(14px, 1.8vw, 22px);
}

.rlx-h2 {
    margin: 0;
    color: var(--rlx-fg);
    font-size: clamp(3.4rem, 7.7vw, 8.8rem);
    font-weight: 600;
    line-height: 0.84;
    letter-spacing: -0.078em;
}

.rlx-h2 em {
    display: block;
    max-width: 38ch;
    margin-top: clamp(18px, 2.4vw, 32px);
    color: var(--rlx-blue);
    font-family: var(--rlx-serif);
    font-size: clamp(0.96rem, 1.45vw, 1.5rem);
    font-style: italic;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0.005em;
}

.rlx-head-note {
    justify-self: end;
    max-width: 340px;
    margin: 4px 0 0;
    padding-left: clamp(16px, 2vw, 28px);
    border-left: 1px solid var(--rlx-line-strong);
    color: var(--rlx-muted);
    font-size: 14px;
    line-height: 1.8;
}

.rlx-head-note span {
    display: inline-block;
    margin-top: 12px;
    color: var(--rlx-faint);
}

/* ----------------------------------------------------------------
   01 — Members as a printed roster, not a card grid
   ---------------------------------------------------------------- */

.rlx-members {
    padding-block: clamp(108px, 12.4vw, 196px) clamp(92px, 10.4vw, 164px);
    background: var(--rlx-paper);
}

.rlx-roster {
    border-top: 1px solid var(--rlx-line-strong);
}

.rlx-roster-meta {
    display: grid;
    grid-template-columns: 78px 88px minmax(0, 1fr) 210px 34px;
    align-items: center;
    gap: clamp(14px, 2vw, 28px);
    padding: 9px 0;
    border-bottom: 1px solid var(--rlx-line);
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.rlx-roster-meta span:last-child {
    text-align: right;
}

.rlx-person {
    position: relative;
    display: grid;
    grid-template-columns: 78px 88px minmax(0, 1fr) 210px 34px;
    align-items: center;
    gap: clamp(14px, 2vw, 28px);
    min-height: clamp(98px, 9.6vw, 142px);
    padding: 12px 0;
    border-bottom: 1px solid var(--rlx-line);
    background: transparent;
    transition: background-color 0.35s ease, color 0.35s ease,
        padding 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-person-no {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    transition: color 0.35s ease;
}

.rlx-person-face {
    width: clamp(58px, 6vw, 84px);
    aspect-ratio: 1;
    margin: 0;
    overflow: hidden;
    background: var(--rlx-paper-deep);
    border: 1px solid var(--rlx-line);
    transition: border-color 0.35s ease;
}

.rlx-person-face img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.06) contrast(1.02);
    transform: scale(1.02);
    transition: filter 0.4s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-person-name {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    font-size: clamp(1.7rem, 4.1vw, 4.9rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.06em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rlx-person-role {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 0.35s ease;
}

.rlx-person-arrow {
    justify-self: end;
    font-family: var(--rlx-mono);
    font-size: 17px;
    line-height: 1;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
        color 0.35s ease;
}

@media (hover: hover) {
    .rlx-person:hover {
        padding-left: 18px;
        padding-right: 8px;
        background: var(--rlx-blue);
        color: #fff;
    }

    .rlx-person:hover .rlx-person-no,
    .rlx-person:hover .rlx-person-role {
        color: rgba(255, 255, 255, 0.62);
    }

    .rlx-person:hover .rlx-person-face {
        border-color: rgba(255, 255, 255, 0.55);
    }

    .rlx-person:hover .rlx-person-face img {
        filter: saturate(1.16) contrast(1.03);
        transform: scale(1.12) rotate(-2deg);
    }

    .rlx-person:hover .rlx-person-arrow {
        color: #fff;
        transform: translate(3px, 3px);
    }
}

.rlx-members-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-top: clamp(28px, 4vw, 54px);
}

.rlx-members-foot p {
    max-width: 44ch;
    margin: 0;
    color: var(--rlx-muted);
    font-size: 13px;
    line-height: 1.8;
}

.rlx-members-foot span {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.16em;
    text-align: right;
    text-transform: uppercase;
}

/* ----------------------------------------------------------------
   02 — Studios as one continuous index
   ---------------------------------------------------------------- */

.rlx-studios {
    --rlx-fg: #f3f0e8;
    --rlx-bg: #081a3c;
    --rlx-muted: rgba(243, 240, 232, 0.66);
    --rlx-faint: rgba(243, 240, 232, 0.38);
    --rlx-line: rgba(243, 240, 232, 0.18);
    --rlx-line-strong: rgba(243, 240, 232, 0.55);
    --rlx-blue: #8cb0ff;
    background: var(--rlx-bg);
    color: var(--rlx-fg);
}

.rlx-studios .rlx-h2 em {
    color: var(--rlx-blue-soft);
}

.rlx-studio-list {
    border-top: 1px solid var(--rlx-line-strong);
}

.rlx-studio {
    position: relative;
    display: grid;
    grid-template-columns: 64px 118px minmax(0, 1fr) 210px 40px;
    align-items: center;
    gap: clamp(16px, 2.2vw, 32px);
    padding: clamp(24px, 3.5vw, 50px) 0;
    border-bottom: 1px solid var(--rlx-line);
    color: var(--rlx-fg);
    isolation: isolate;
}

.rlx-studio::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: #0e3478;
    box-shadow: inset 3px 0 0 #8cb0ff;
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-studio-no {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
}

.rlx-studio-logo {
    width: 100px;
    height: 34px;
    object-fit: contain;
    object-position: left center;
    opacity: 0.9;
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx .rlx-studio-logo--stack {
    width: 100px;
    height: 46px;
    object-fit: cover;
}

.rlx-studio-name {
    min-width: 0;
    font-size: clamp(2.2rem, 5.5vw, 6.1rem);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.065em;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-studio-meta {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.6;
    letter-spacing: 0.12em;
    text-align: right;
    text-transform: uppercase;
}

.rlx-studio-meta em {
    display: block;
    margin-top: 4px;
    color: var(--rlx-muted);
    font-style: normal;
    letter-spacing: 0.04em;
    text-transform: none;
}

.rlx-studio-arrow {
    justify-self: end;
    color: var(--rlx-blue);
    font-family: var(--rlx-mono);
    font-size: 24px;
    line-height: 1;
    transition: color 0.35s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) {
    .rlx-studio:hover::before,
    .rlx-studio:focus-visible::before {
        transform: scaleX(1);
        transform-origin: left center;
    }

    .rlx-studio:hover .rlx-studio-logo,
    .rlx-studio:focus-visible .rlx-studio-logo {
        filter: saturate(1.25) brightness(1.18);
        opacity: 1;
        transform: translateX(8px);
    }

    .rlx-studio:hover .rlx-studio-name,
    .rlx-studio:focus-visible .rlx-studio-name {
        transform: translateX(12px);
    }

    .rlx-studio:hover .rlx-studio-meta,
    .rlx-studio:focus-visible .rlx-studio-meta {
        color: rgba(255, 255, 255, 0.72);
    }

    .rlx-studio:hover .rlx-studio-arrow,
    .rlx-studio:focus-visible .rlx-studio-arrow {
        color: #fff;
        transform: translate(4px, -4px);
    }
}

.rlx-studio:focus-visible {
    outline: 2px solid var(--rlx-blue);
    outline-offset: 4px;
}

/* ----------------------------------------------------------------
   03 — GitSource as a bold blue platform statement
   ---------------------------------------------------------------- */

.rlx-git {
    padding-block: clamp(112px, 12.8vw, 204px) clamp(100px, 11.4vw, 180px);
    --rlx-fg: #ffffff;
    --rlx-bg: #1456f0;
    --rlx-muted: rgba(255, 255, 255, 0.72);
    --rlx-faint: rgba(255, 255, 255, 0.46);
    --rlx-line: rgba(255, 255, 255, 0.26);
    --rlx-line-strong: rgba(255, 255, 255, 0.64);
    --rlx-blue: #ffffff;
    background: var(--rlx-bg);
    color: var(--rlx-fg);
}

.rlx-git .rlx-h2 {
    max-width: 9em;
    font-size: clamp(3.6rem, 8.6vw, 10rem);
    line-height: 1;
    letter-spacing: -0.068em;
}

.rlx-git .rlx-h2 em {
    max-width: 30ch;
    color: rgba(255, 255, 255, 0.72);
}

.rlx-features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: clamp(56px, 8vw, 108px);
    border-top: 1px solid var(--rlx-line-strong);
    border-bottom: 1px solid var(--rlx-line-strong);
}

.rlx-feature {
    position: relative;
    min-height: clamp(280px, 28vw, 420px);
    padding: clamp(24px, 3.2vw, 44px) clamp(20px, 2.6vw, 38px)
        clamp(28px, 3.2vw, 44px);
    border-right: 1px solid var(--rlx-line);
    transition: background-color 0.35s ease, color 0.35s ease,
        padding 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-feature:last-child {
    border-right: 0;
}

.rlx-feature-no {
    display: block;
    color: transparent;
    font-size: clamp(3.4rem, 6.3vw, 7rem);
    font-weight: 500;
    line-height: 0.82;
    letter-spacing: -0.07em;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.72);
    font-variant-numeric: tabular-nums;
    transition: color 0.35s ease, -webkit-text-stroke-color 0.35s ease;
}

.rlx-feature h3 {
    margin: clamp(36px, 5vw, 70px) 0 12px;
    font-size: clamp(1.45rem, 2.1vw, 2.1rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.rlx-feature p {
    max-width: 30ch;
    margin: 0;
    color: rgba(255, 255, 255, 0.66);
    font-size: 14px;
    line-height: 1.85;
    transition: color 0.35s ease;
}

.rlx-feature-tag {
    position: absolute;
    right: clamp(20px, 2.6vw, 38px);
    bottom: clamp(28px, 3.2vw, 44px);
    color: rgba(255, 255, 255, 0.42);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

@media (hover: hover) {
    .rlx-feature:hover {
        padding-left: clamp(32px, 3.8vw, 54px);
        background: var(--rlx-paper);
        color: var(--rlx-ink);
    }

    .rlx-feature:hover .rlx-feature-no {
        color: var(--rlx-blue);
        -webkit-text-stroke-color: var(--rlx-blue);
    }

    .rlx-feature:hover h3,
    .rlx-feature:hover p,
    .rlx-feature:hover .rlx-feature-tag {
        color: var(--rlx-ink);
    }
}

.rlx-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-top: clamp(40px, 5vw, 72px);
    padding: clamp(22px, 3vw, 38px) 0;
    border-top: 1px solid var(--rlx-line-strong);
    border-bottom: 1px solid var(--rlx-line-strong);
    transition: background-color 0.35s ease, color 0.35s ease,
        padding 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-cta-label {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 18px;
    font-size: clamp(1.45rem, 2.5vw, 2.5rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.rlx-cta-label em {
    color: rgba(255, 255, 255, 0.58);
    font-family: var(--rlx-mono);
    font-size: 12px;
    font-style: normal;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.rlx-cta-url {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.rlx-cta-url b {
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) {
    .rlx-cta:hover {
        padding-left: 20px;
        padding-right: 20px;
        background: var(--rlx-paper);
        color: var(--rlx-ink);
    }

    .rlx-cta:hover .rlx-cta-label em {
        color: rgba(11, 11, 11, 0.55);
    }

    .rlx-cta:hover .rlx-cta-url b {
        transform: translate(4px, -4px);
    }
}

.rlx-cta:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 5px;
}

/* ----------------------------------------------------------------
   04 — Projects as asymmetric case files
   ---------------------------------------------------------------- */

.rlx-works {
    background: var(--rlx-paper);
}

.rlx-work-list {
    display: flex;
    flex-direction: column;
    gap: clamp(70px, 10vw, 150px);
}

.rlx-work {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: end;
    gap: clamp(18px, 2.6vw, 42px);
}

.rlx-work--a .rlx-work-media {
    grid-column: 1 / 8;
    grid-row: 1;
}

.rlx-work--a .rlx-work-copy {
    grid-column: 9 / 13;
    grid-row: 1;
    padding-bottom: clamp(8px, 1.5vw, 24px);
}

.rlx-work--b .rlx-work-media {
    grid-column: 6 / 13;
    grid-row: 1;
    margin-top: clamp(50px, 8vw, 120px);
}

.rlx-work--b .rlx-work-copy {
    grid-column: 1 / 5;
    grid-row: 1;
    align-self: start;
    padding-top: clamp(6px, 1vw, 14px);
}

.rlx-work-media {
    position: relative;
    margin: 0;
    border: 1px solid var(--rlx-line-strong);
    background: var(--rlx-paper-deep);
    overflow: hidden;
}

.rlx-work-media::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border: 8px solid transparent;
    border-top-color: rgba(255, 255, 255, 0.35);
    mix-blend-mode: overlay;
    z-index: 2;
}

.rlx-work-media::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: var(--rlx-blue);
    mix-blend-mode: soft-light;
    opacity: 0.14;
    transition: opacity 0.5s ease;
}

.rlx-work-media img {
    width: 100%;
    height: auto;
    filter: saturate(1.06) contrast(1.02);
    transition: filter 0.5s ease;
}

.rlx-work-media figcaption {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 3;
    padding: 9px 12px;
    background: var(--rlx-ink);
    color: #fff;
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: background-color 0.35s ease;
}

@media (hover: hover) {
    .rlx-work-media:hover::before {
        opacity: 0.3;
    }

    .rlx-work-media:hover img {
        filter: saturate(1.14) contrast(1.03);
    }

    .rlx-work-media:hover figcaption {
        background: var(--rlx-blue);
    }
}

.rlx-work-copy {
    min-width: 0;
}

.rlx-case {
    margin: 0 0 20px;
    padding-top: 10px;
    border-top: 1px solid var(--rlx-line-strong);
    color: var(--rlx-blue);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.rlx-work h3 {
    margin: 0;
    font-size: clamp(2.7rem, 4.6vw, 5.4rem);
    font-weight: 500;
    line-height: 0.9;
    letter-spacing: -0.065em;
}

.rlx-work-copy > p:not(.rlx-case) {
    max-width: 38ch;
    margin: 22px 0 0;
    color: var(--rlx-muted);
    font-size: 14px;
    line-height: 1.9;
}

.rlx-work-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 7px 16px;
    margin: 26px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--rlx-line);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.6;
    letter-spacing: 0.04em;
}

.rlx-work-meta dt {
    color: var(--rlx-faint);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.rlx-work-meta dd {
    margin: 0;
    color: var(--rlx-muted);
}

/* ----------------------------------------------------------------
   05 — Manifesto as a reading machine
   ---------------------------------------------------------------- */

.rlx-notes {
    padding-block: clamp(88px, 10vw, 156px) clamp(112px, 12.8vw, 204px);
    --rlx-bg: #e9e5d8;
    background: var(--rlx-bg);
}

.rlx-notes-shell {
    display: grid;
    grid-template-columns: minmax(120px, 1.25fr) minmax(0, 5.8fr) minmax(190px, 2fr);
    gap: clamp(26px, 4vw, 68px);
    align-items: start;
}

.rlx-note-fig {
    position: relative;
    min-height: 220px;
    padding-top: 2px;
}

.rlx-note-no {
    display: block;
    color: transparent;
    font-size: clamp(5.2rem, 11.5vw, 11rem);
    font-weight: 500;
    line-height: 0.7;
    letter-spacing: -0.09em;
    -webkit-text-stroke: 1px var(--rlx-line-strong);
    font-variant-numeric: tabular-nums;
}

.rlx-note-fig small {
    display: block;
    margin-top: clamp(26px, 4vw, 54px);
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.6;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.rlx-note-main {
    min-width: 0;
}

.rlx-quote {
    position: relative;
    min-height: 4.35em;
    margin: 0;
    padding-top: 0.35em;
    color: var(--rlx-ink);
    font-family: var(--rlx-serif);
    font-size: clamp(2rem, 4.1vw, 4.65rem);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.035em;
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-quote::before {
    content: '“';
    display: block;
    height: 0.42em;
    margin-bottom: 0.12em;
    color: var(--rlx-blue);
    font-family: var(--rlx-sans);
    font-size: 1.1em;
    font-weight: 600;
    line-height: 0.4;
}

.rlx-quote.is-switching {
    opacity: 0;
    transform: translateY(14px);
}

.rlx-note-author {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin: clamp(34px, 5vw, 64px) 0 0;
    color: var(--rlx-muted);
    font-size: 13px;
    line-height: 1.6;
}

.rlx-note-author > span {
    width: 32px;
    height: 1px;
    background: var(--rlx-blue);
}

.rlx-note-author strong {
    color: var(--rlx-ink);
    font-weight: 600;
}

.rlx-note-author em {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    font-style: normal;
    letter-spacing: 0.1em;
}

.rlx-note-tabs {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--rlx-line-strong);
}

.rlx-note-tab {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 14px 4px;
    border: 0;
    border-bottom: 1px solid var(--rlx-line);
    background: transparent;
    color: var(--rlx-muted);
    font-size: 13px;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease,
        padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.rlx-note-tab span {
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
}

.rlx-note-tab b {
    font-weight: 500;
}

.rlx-note-tab i {
    color: var(--rlx-faint);
    font-style: normal;
    font-size: 12px;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.rlx-note-tab.is-active {
    padding-left: 12px;
    background: var(--rlx-ink);
    color: var(--rlx-paper);
}

.rlx-note-tab.is-active span,
.rlx-note-tab.is-active i {
    color: rgba(255, 255, 255, 0.62);
}

.rlx-note-tab.is-active i {
    opacity: 1;
    transform: none;
}

.rlx-note-tab:hover,
.rlx-note-tab:focus-visible {
    padding-left: 12px;
    color: var(--rlx-blue);
}

.rlx-note-tab.is-active:hover,
.rlx-note-tab.is-active:focus-visible {
    color: var(--rlx-paper);
}

.rlx-note-tab:focus-visible {
    outline: 1px solid var(--rlx-blue);
    outline-offset: -1px;
}

.rlx-note-progress {
    height: 2px;
    margin-top: clamp(48px, 7vw, 96px);
    background: var(--rlx-line);
    overflow: hidden;
}

.rlx-note-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--rlx-blue);
    transform: scaleX(0);
    transform-origin: left center;
}

.rlx-notes-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin-top: 12px;
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

/* ----------------------------------------------------------------
   Reveal — 遮罩与上浮规则统一放在 css/rivulet-motion.css，
   由 index / news / nav 共用，此处只保留板块自身的排版节奏。
   ---------------------------------------------------------------- */

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

@media (max-width: 1180px) {
    .rlx-head {
        grid-template-columns: 52px minmax(0, 5.6fr) minmax(200px, 2.7fr);
    }

    .rlx-mast-grid {
        grid-template-columns: 0.935fr 2.7fr 1.6fr;
    }

    /* 列1 份额降为 16.5%，字号同步收紧 */
    .rlx-mast-fig {
        font-size: clamp(8rem, 13vw, 15rem);
    }

    .rlx-studio {
        grid-template-columns: 48px 92px minmax(0, 1fr) 170px 32px;
    }

    .rlx-studio-logo {
        width: 82px;
    }

    .rlx-roster-meta,
    .rlx-person {
        grid-template-columns: 62px 76px minmax(0, 1fr) 180px 30px;
    }
}

@media (max-width: 1000px) {
    .rlx-mast-grid {
        grid-template-columns: 1.1fr 2.8fr;
    }

    .rlx-mast-fig {
        grid-column: 1;
        grid-row: 1 / 3;
        align-self: end;
        font-size: clamp(8rem, 21vw, 14rem);
    }

    .rlx-mast-statement {
        grid-column: 2;
    }

    .rlx-mast-nav {
        grid-column: 1 / 3;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        border-top: 1px solid var(--rlx-line-strong);
    }

    .rlx-mast-nav a {
        grid-template-columns: 26px minmax(0, 1fr);
        padding: 12px 14px 12px 0;
        border-right: 1px solid var(--rlx-line);
        border-bottom: 0;
    }

    .rlx-mast-nav a:nth-child(3n) {
        border-right: 0;
    }

    .rlx-mast-nav a > em {
        display: none;
    }

    .rlx-head {
        grid-template-columns: 44px minmax(0, 1fr);
    }

    .rlx-head-note {
        grid-column: 2;
        justify-self: start;
        max-width: 52ch;
        margin-top: 8px;
        padding: 16px 0 0;
        border-top: 1px solid var(--rlx-line);
        border-left: 0;
    }

    .rlx-notes-shell {
        grid-template-columns: 110px minmax(0, 1fr);
    }

    .rlx-note-tabs {
        grid-column: 1 / 3;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        border-top: 1px solid var(--rlx-line-strong);
    }

    .rlx-note-tab {
        grid-template-columns: 1fr;
        gap: 5px;
        padding: 12px 8px;
        border-right: 1px solid var(--rlx-line);
        border-bottom: 0;
    }

    .rlx-note-tab i {
        display: none;
    }

    .rlx-note-tab.is-active,
    .rlx-note-tab:hover,
    .rlx-note-tab:focus-visible {
        padding-left: 8px;
    }

    .rlx-features {
        grid-template-columns: 1fr;
    }

    .rlx-feature {
        min-height: 0;
        border-right: 0;
        border-bottom: 1px solid var(--rlx-line);
    }

    .rlx-feature:last-child {
        border-bottom: 0;
    }

    .rlx-feature h3 {
        margin-top: 26px;
    }

    .rlx-feature p {
        max-width: 50ch;
    }

    .rlx-feature-tag {
        position: static;
        display: block;
        margin-top: 22px;
    }
}

@media (max-width: 820px) {
    .rlx-mast-meta span:nth-child(2) {
        display: none;
    }

    .rlx-mast-grid {
        grid-template-columns: 1fr;
        gap: 26px;
        padding-top: 42px;
    }

    .rlx-mast-fig {
        grid-column: 1;
        grid-row: auto;
        align-self: start;
        font-size: clamp(7.5rem, 30vw, 12rem);
        line-height: 0.8;
    }

    .rlx-mast-statement {
        grid-column: 1;
    }

    .rlx-mast-lede {
        font-size: clamp(1.55rem, 5.6vw, 2.3rem);
    }

    .rlx-mast-nav {
        grid-column: 1;
        grid-template-columns: 1fr 1fr;
    }

    .rlx-mast-nav a:nth-child(3n) {
        border-right: 1px solid var(--rlx-line);
    }

    .rlx-mast-nav a:nth-child(2n) {
        border-right: 0;
        padding-left: 12px;
    }

    .rlx-mast-foot {
        font-size: 12px;
    }

    .rlx-roster-meta {
        display: none;
    }

    .rlx-person {
        grid-template-columns: 38px 58px minmax(0, 1fr) 24px;
        gap: 12px;
        min-height: 80px;
        padding: 12px 0;
    }

    .rlx-person-role {
        display: none;
    }

    .rlx-person-face {
        width: 52px;
    }

    .rlx-person-name {
        font-size: clamp(1.55rem, 7.8vw, 3rem);
    }

    .rlx-person:hover {
        padding-left: 10px;
    }

    .rlx-members-foot {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .rlx-members-foot span {
        text-align: left;
    }

    .rlx-studio {
        grid-template-columns: 34px minmax(0, 1fr) 28px;
        gap: 12px;
        padding: 22px 0;
    }

    .rlx .rlx-studio-logo,
    .rlx .rlx-studio-meta {
        display: none;
    }

    .rlx-studio-name {
        font-size: clamp(1.85rem, 9.2vw, 4rem);
    }

    .rlx-git .rlx-h2 {
        font-size: clamp(3.2rem, 12.8vw, 7rem);
        line-height: 1.02;
    }

    .rlx-cta {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }

    .rlx-cta-url {
        font-size: 12px;
    }

    .rlx-work {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 22px;
    }

    .rlx-work--a .rlx-work-media,
    .rlx-work--b .rlx-work-media,
    .rlx-work--a .rlx-work-copy,
    .rlx-work--b .rlx-work-copy {
        width: 100%;
        margin-top: 0;
        padding: 0;
    }

    .rlx-work h3 {
        font-size: clamp(2.5rem, 11vw, 5rem);
    }

    .rlx-work-copy > p:not(.rlx-case) {
        max-width: 48ch;
    }

    .rlx-notes-shell {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .rlx-note-fig {
        display: flex;
        align-items: flex-end;
        gap: 22px;
        min-height: 0;
    }

    .rlx-note-no {
        font-size: clamp(4.6rem, 23vw, 9rem);
    }

    .rlx-note-fig small {
        margin: 0 0 6px;
        writing-mode: horizontal-tb;
    }

    .rlx-quote {
        min-height: 0;
        font-size: clamp(1.8rem, 6.4vw, 3.2rem);
    }

    .rlx-note-tabs {
        grid-column: 1;
        grid-template-columns: repeat(2, 1fr);
    }

    .rlx-note-tab {
        border-bottom: 1px solid var(--rlx-line);
    }

    .rlx-note-tab:nth-child(2n) {
        border-right: 0;
    }

    .rlx-note-tab:last-child {
        grid-column: 1 / 3;
    }
}

@media (max-width: 560px) {
    .rlx-mast {
        padding-top: 0;
    }

    .rlx-mast-meta {
        padding: 13px 0;
        font-size: 12px;
        letter-spacing: 0.11em;
    }

    .rlx-mast-meta span:last-child {
        text-align: right;
    }

    .rlx-mast-grid {
        padding-top: 34px;
        padding-bottom: 36px;
    }

    .rlx-mast-lede {
        font-size: clamp(1.45rem, 7vw, 2rem);
        line-height: 1.42;
    }

    .rlx-mast-copy {
        font-size: 12px;
        line-height: 1.85;
    }

    .rlx-mast-nav {
        grid-template-columns: 1fr;
    }

    .rlx-mast-nav a,
    .rlx-mast-nav a:nth-child(2n) {
        padding-left: 0;
        border-right: 0;
    }

    .rlx-mast-nav a:hover,
    .rlx-mast-nav a:focus-visible {
        padding-left: 8px;
    }

    .rlx-mast-foot span:last-child {
        display: none;
    }

    .rlx-sec {
        padding-top: 70px;
        padding-bottom: 70px;
    }

    .rlx-head {
        display: block;
        margin-bottom: 42px;
    }

    .rlx-no {
        margin-bottom: 18px;
    }

    .rlx-h2 {
        font-size: clamp(3rem, 15.5vw, 5.6rem);
    }

    .rlx-head-note {
        margin-top: 24px;
        font-size: 12px;
    }

    .rlx-person {
        grid-template-columns: 30px 50px minmax(0, 1fr) 18px;
        gap: 10px;
    }

    .rlx-person-face {
        width: 46px;
    }

    .rlx-person-name {
        font-size: clamp(1.35rem, 7.1vw, 2.1rem);
        letter-spacing: -0.05em;
    }

    .rlx-studio {
        grid-template-columns: 28px minmax(0, 1fr) 24px;
    }

    .rlx-feature {
        padding-left: 0;
        padding-right: 0;
    }

    .rlx-feature:hover {
        padding-left: 0;
    }

    .rlx-cta-label {
        font-size: 1.3rem;
    }

    .rlx-cta-url {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .rlx-work-media figcaption {
        font-size: 12px;
    }

    .rlx-notes {
        padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 112px);
    }

    .rlx-note-tabs {
        grid-template-columns: 1fr;
    }

    .rlx-note-tab,
    .rlx-note-tab:last-child {
        grid-column: 1;
    }

    .rlx-note-tab {
        border-right: 0;
    }

    .rlx-notes-foot {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html.rlx-motion .rlx [data-rlx-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }

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


.rlx-note-toggle {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border: 1px solid var(--rlx-line-strong);
    background: transparent;
    color: var(--rlx-faint);
    font-family: var(--rlx-mono);
    font-size: 12px;
    line-height: 1.3;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.rlx-note-toggle:hover,
.rlx-note-toggle:focus-visible {
    background: var(--rlx-ink);
    color: var(--rlx-paper);
}

.rlx-note-toggle:focus-visible {
    outline: 1px solid var(--rlx-blue);
    outline-offset: 3px;
}

.rlx-note-toggle-icon {
    display: inline-block;
    font-size: 12px;
    line-height: 1;
}

@media (max-width: 560px) {
    .rlx-note-toggle {
        padding: 5px 8px;
    }
}

.rlx-mast-line {
    display: block;
}

@media (max-width: 560px) {
    .rlx-mast-line {
        display: inline;
    }

    .rlx-mast-nav a:nth-child(3n) {
        border-right: 0;
    }

    .rlx-person-name {
        overflow: visible;
        white-space: normal;
        text-overflow: clip;
        line-height: 1.08;
    }
}

.rlx-note-toggle[hidden] {
    display: none;
}


/* ----------------------------------------------------------------
   Legibility pass: no microtype below 12px, no monospace Chinese
   ---------------------------------------------------------------- */

.rlx-mast-meta,
.rlx-mast-foot,
.rlx-eyebrow,
.rlx-person-role,
.rlx-studio-meta,
.rlx-work-meta,
.rlx-note-author em,
.rlx-notes-foot,
.rlx-note-toggle {
    font-family: var(--rlx-sans);
    font-size: 12px;
    line-height: 1.55;
    letter-spacing: 0.07em;
}

.rlx-mast-meta {
    letter-spacing: 0.09em;
}

.rlx-studio-meta {
    letter-spacing: 0.035em;
}

.rlx-work-meta {
    letter-spacing: 0.02em;
}

.rlx-note-author em {
    letter-spacing: 0.03em;
}

.rlx-mast-copy,
.rlx-head-note,
.rlx-feature p,
.rlx-work-copy > p:not(.rlx-case) {
    font-size: 14px;
}

.rlx-mast-copy {
    line-height: 1.9;
}

/* ----------------------------------------------------------------
   Small-screen typesetting + a quieter pause control
   ---------------------------------------------------------------- */

.rlx-nowrap {
    white-space: nowrap;
}

@media (max-width: 560px) {
    .rlx-mast-meta {
        flex-wrap: wrap;
        gap: 4px 12px;
    }

    .rlx-mast-meta span {
        white-space: nowrap;
    }

    .rlx-mast-meta span:last-child {
        margin-left: auto;
    }

    .rlx-mast-lede {
        font-size: clamp(1.3rem, 6.5vw, 2.1rem);
    }

    .rlx-mast-line {
        display: block;
    }
}

.rlx button.rlx-note-tab {
    font-size: 13px;
}

.rlx button.rlx-note-toggle {
    gap: 7px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--rlx-faint);
    font-family: var(--rlx-sans);
    font-size: 12px;
    line-height: 1.55;
    letter-spacing: 0.03em;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
    text-decoration-color: rgba(11, 11, 11, 0.2);
}

.rlx button.rlx-note-toggle:hover,
.rlx button.rlx-note-toggle:focus-visible {
    background: transparent;
    color: var(--rlx-blue);
    text-decoration-color: currentColor;
}

.rlx button.rlx-note-toggle:focus-visible {
    outline: 1px solid var(--rlx-blue);
    outline-offset: 4px;
}

@media (max-width: 767px) {
    .mobile-nav-link span {
        font-size: 12px;
        letter-spacing: 0;
    }
}