/* ============================================================
   DONGDA BIO · 东大生物
   Bright blue & white editorial aesthetic — biotech / ocean blue
   ============================================================ */

:root {
    /* Palette — bright blue & white */
    --bg: #f3f8fd;            /* off-white with blue tint */
    --bg-2: #ffffff;          /* pure white */
    --surface: #e3eefb;       /* very light blue surface */
    --surface-2: #d2e2f4;     /* slightly deeper light blue */
    --line: #b6cde8;         /* sky blue line */
    --line-soft: #cddded;

    --ink: #0d2a4f;          /* deep navy for headings */
    --ink-2: #1a4070;        /* secondary blue text */
    --cream: #1a3a5c;        /* main body text on light bg */
    --cream-dim: #3a5878;    /* secondary body */
    --muted: #6a85a4;        /* muted blue-gray */
    --muted-2: #8ba1bc;

    --blue: #1a5fa8;         /* primary brand blue */
    --blue-bright: #2f8ad9;  /* bright accent blue */
    --blue-deep: #0a3a6e;    /* deep navy */
    --blue-glow: rgba(26, 95, 168, 0.12);

    /* Type */
    --f-serif-cn: "Noto Serif SC", "Songti SC", serif;
    --f-sans-cn: "Noto Sans SC", "PingFang SC", sans-serif;
    --f-display: "Cormorant Garamond", "Times New Roman", serif;
    --f-sans: "Jost", "Helvetica Neue", sans-serif;

    /* Layout */
    --maxw: 1320px;
    --pad: clamp(1.25rem, 4vw, 4rem);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--cream);
    font-family: var(--f-sans-cn);
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Subtle paper texture across the whole page */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

.hl { color: var(--blue-deep); font-weight: 500; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(243, 248, 253, 0.78);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(243, 248, 253, 0.94); }

.nav__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 1.1rem var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav__logo { display: flex; align-items: center; gap: 0.85rem; }
.nav__logo-mark {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    font-family: var(--f-serif-cn);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--blue);
    border-radius: 2px;
    transition: transform 0.5s var(--ease);
}
.nav__logo:hover .nav__logo-mark { transform: rotate(-8deg); }
.nav__logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav__logo-cn { font-family: var(--f-serif-cn); font-size: 0.95rem; font-weight: 500; letter-spacing: 0.08em; color: var(--ink); }
.nav__logo-en { font-family: var(--f-sans); font-size: 0.62rem; letter-spacing: 0.32em; color: var(--muted); text-transform: uppercase; margin-top: 2px; }

.nav__menu { display: flex; gap: 2.4rem; }
.nav__link {
    font-size: 0.86rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--cream-dim);
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.3s var(--ease);
}
.nav__link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 1.5px;
    background: var(--blue);
    transition: width 0.4s var(--ease);
}
.nav__link:hover { color: var(--blue-deep); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--blue-deep); }
.nav__link.active::after { width: 100%; }

.nav__cta {
    font-family: var(--f-sans);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bg);
    background: var(--blue);
    padding: 0.7rem 1.5rem;
    border-radius: 2px;
    transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.nav__cta:hover { background: var(--blue-deep); transform: translateY(-2px); }

.nav__burger { display: none; }

.nav__progress {
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--blue-deep), var(--blue-bright));
    transition: width 0.1s linear;
}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(5rem, 10vw, 9rem) var(--pad);
    position: relative;
}

.section__head {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
}
.section__index {
    font-family: var(--f-display);
    font-size: 3.2rem;
    font-weight: 300;
    font-style: italic;
    color: var(--blue);
    line-height: 1;
}
.section__label { display: flex; flex-direction: column; gap: 0.2rem; }
.section__label-en {
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
}
.section__label-cn {
    font-family: var(--f-serif-cn);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--ink);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 0 var(--pad);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(1.05) contrast(1.02) saturate(1.05);
    transform: scale(1.05);
    animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1.16); } }

.hero__veil {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 25% 50%, rgba(243,248,253,0.25) 0%, rgba(243,248,253,0.6) 60%, rgba(243,248,253,0.9) 100%),
        linear-gradient(180deg, rgba(243,248,253,0.5) 0%, transparent 30%, rgba(243,248,253,0.82) 100%);
}
.hero__grain {
    position: absolute; inset: 0;
    opacity: 0.4;
    background:
        repeating-linear-gradient(90deg, transparent 0, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 3px);
    mix-blend-mode: multiply;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    width: 100%;
    padding-top: 6rem;
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    font-family: var(--f-sans);
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    color: var(--blue-deep);
    font-weight: 500;
}
.hero__eyebrow-line { width: 56px; height: 2px; background: var(--blue); }

.hero__title { margin-bottom: 2rem; }
.hero__title-cn {
    display: block;
    font-family: var(--f-serif-cn);
    font-weight: 300;
    font-size: clamp(3.5rem, 9vw, 7.5rem);
    letter-spacing: 0.18em;
    line-height: 1;
    color: var(--ink);
    text-shadow: 0 2px 30px rgba(255,255,255,0.5);
}
.hero__title-en {
    display: block;
    font-family: var(--f-display);
    font-weight: 500;
    font-size: clamp(1.8rem, 4.5vw, 3.5rem);
    letter-spacing: 0.04em;
    line-height: 1;
    color: var(--blue);
    margin-top: 0.8rem;
}
.hero__title-en em { font-style: italic; font-weight: 400; color: var(--blue-bright); }

.hero__tagline {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    letter-spacing: 0.45em;
    color: var(--ink-2);
    margin-bottom: 1.8rem;
    padding-left: 0.45em;
}
.hero__sub {
    font-family: var(--f-sans-cn);
    font-weight: 300;
    font-size: 1rem;
    line-height: 2;
    color: var(--cream-dim);
    letter-spacing: 0.08em;
    max-width: 460px;
}

.hero__scroll {
    position: absolute;
    bottom: 3rem; left: var(--pad);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--f-sans);
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    color: var(--muted);
    z-index: 3;
}
.hero__scroll-line {
    width: 2px; height: 50px;
    background: linear-gradient(180deg, var(--blue), transparent);
    position: relative;
    overflow: hidden;
}
.hero__scroll-line::after {
    content: "";
    position: absolute;
    top: -50%; left: 0;
    width: 100%; height: 50%;
    background: var(--blue-bright);
    animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse {
    0% { top: -50%; }
    100% { top: 100%; }
}

.hero__corner {
    position: absolute;
    z-index: 3;
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    color: var(--muted-2);
    text-transform: uppercase;
    font-weight: 500;
}
.hero__corner--tl { top: 6.5rem; right: var(--pad); writing-mode: vertical-rl; color: var(--blue-deep); }
.hero__corner--br { bottom: 3rem; right: var(--pad); }

/* Hero 纯图模式：不叠加文字层，以大楼形象图直接展示 */
.hero--image-only {
    min-height: 560px;
    min-height: 58svh;
    padding: 0;
    align-items: stretch;
}
.hero--image-only .hero__bg {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 560px;
    min-height: 58svh;
}
.hero--image-only .hero__img {
    filter: brightness(1) contrast(1.02) saturate(1.05);
    transform: none;
    animation: none;
}

/* ============================================================
   INTRO
   ============================================================ */
.intro__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 6rem;
}

.intro__statement { position: relative; padding-top: 1rem; }
.intro__quote-mark {
    font-family: var(--f-display);
    font-size: 8rem;
    line-height: 0.6;
    color: var(--blue);
    opacity: 0.35;
    margin-bottom: 0.5rem;
}
.intro__statement-text {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.4;
    letter-spacing: 0.15em;
    color: var(--ink);
}
.intro__statement-text .dot { color: var(--blue-bright); margin: 0 0.2em; font-weight: 200; }
.intro__statement-en {
    font-family: var(--f-sans);
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    color: var(--muted);
    margin-top: 1.5rem;
}

.intro__columns {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1rem;
}
.intro__col {
    font-size: 0.98rem;
    line-height: 2;
    color: var(--cream-dim);
    font-weight: 300;
    letter-spacing: 0.02em;
}
.intro__col--full { color: var(--muted); border-left: 2px solid var(--blue); padding-left: 1.5rem; margin-top: 0.5rem; }

.intro__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 2.5rem 0;
}
.stat {
    text-align: center;
    border-right: 1px solid var(--line);
    padding: 0 1rem;
}
.stat:last-child { border-right: none; }
.stat__num {
    display: block;
    font-family: var(--f-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 0.6rem;
}
.stat__label {
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--muted);
    text-transform: uppercase;
}

/* ============================================================
   COMPOSITION / PRODUCTS
   ============================================================ */
.composition { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }

.composition__lead {
    margin-bottom: 4rem;
    display: flex;
    align-items: baseline;
    gap: 2rem;
    flex-wrap: wrap;
}
.composition__lead-cn {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    letter-spacing: 0.15em;
    color: var(--ink);
}
.composition__lead-en {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--blue);
}

.composition__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.comp {
    background: var(--bg-2);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: background 0.5s var(--ease);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.comp::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--blue-bright));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease);
}
.comp:hover { background: var(--surface); }
.comp:hover::before { transform: scaleX(1); }

.comp__num {
    font-family: var(--f-display);
    font-size: 0.9rem;
    font-style: italic;
    color: var(--blue);
    letter-spacing: 0.1em;
}
.comp__name {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    color: var(--ink);
    margin-top: 2rem;
    line-height: 1.3;
}
.comp__en {
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* Flagship product card — emphasized */
.comp--flagship {
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    color: var(--bg);
}
.comp--flagship .comp__num { color: var(--blue-bright); }
.comp--flagship .comp__name { color: #fff; }
.comp--flagship .comp__en { color: rgba(255,255,255,0.78); }
.comp--flagship::before {
    background: linear-gradient(90deg, var(--blue-bright), #6dc1f0);
    transform: scaleX(1);
}
.comp--flagship:hover { background: linear-gradient(135deg, var(--blue), var(--blue-deep)); }

.comp__badge {
    position: absolute;
    top: 1rem; right: 1rem;
    font-family: var(--f-sans);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    color: var(--blue-deep);
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 0.25rem 0.6rem;
    border-radius: 2px;
    font-weight: 600;
}

/* ===== Comp card interaction ===== */
.comp[data-comp] {
    cursor: pointer;
    transition: background 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.comp[data-comp]:focus-visible {
    outline: 2px solid var(--blue-bright);
    outline-offset: 2px;
}
.comp.is-active {
    background: var(--surface);
    box-shadow: inset 0 -3px 0 var(--blue);
}
.comp--flagship.is-active {
    box-shadow: inset 0 -3px 0 var(--blue-bright);
}

/* Click toggle indicator (plus icon that rotates) */
.comp__toggle {
    position: absolute;
    bottom: 1.2rem;
    right: 1.5rem;
    width: 20px;
    height: 20px;
    pointer-events: none;
}
.comp__toggle::before,
.comp__toggle::after {
    content: "";
    position: absolute;
    background: var(--blue);
    transition: transform 0.35s var(--ease), background 0.35s var(--ease);
}
.comp__toggle::before {
    top: 50%; left: 0;
    width: 100%; height: 1.5px;
    transform: translateY(-50%);
}
.comp__toggle::after {
    top: 0; left: 50%;
    width: 1.5px; height: 100%;
    transform: translateX(-50%);
}
.comp.is-active .comp__toggle::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}
.comp--flagship .comp__toggle::before,
.comp--flagship .comp__toggle::after {
    background: var(--blue-bright);
}

/* ===== Expandable detail panels ===== */
.comp-details {
    margin-top: 2rem;
    position: relative;
}
.comp-detail {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.6s var(--ease), opacity 0.4s var(--ease), margin 0.4s var(--ease);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 4px;
}
.comp-detail.is-open {
    max-height: 1200px;
    opacity: 1;
    margin-top: 0;
    margin-bottom: 2rem;
}
.comp-detail.is-open + .comp-detail {
    margin-top: 0;
}
.comp-detail__media {
    width: 100%;
    max-height: 480px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.comp-detail__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-height: 480px;
}
.comp-detail__info {
    padding: 2.5rem 2.5rem;
}
.comp-detail__num {
    display: inline-block;
    font-family: var(--f-display);
    font-size: 0.72rem;
    font-style: italic;
    letter-spacing: 0.15em;
    color: var(--blue);
    margin-bottom: 0.8rem;
    padding: 0.2rem 0.7rem;
    border: 1px solid var(--blue);
    border-radius: 2px;
}
.comp-detail__name {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    color: var(--ink);
    margin-bottom: 0.5rem;
}
.comp-detail__tagline {
    font-family: var(--f-sans);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 1.8rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px dashed var(--line);
}
.comp-detail__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}
.comp-detail__list li {
    display: flex;
    gap: 0.6rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.88rem;
    line-height: 1.7;
}
.comp-detail__list li span {
    flex: 0 0 auto;
    min-width: 110px;
    font-family: var(--f-sans-cn);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--muted);
    font-weight: 500;
}
.comp-detail__list li em {
    flex: 1;
    font-style: normal;
    color: var(--ink-2);
    font-family: var(--f-sans-cn);
}

/* Detail panel responsive */
@media (max-width: 768px) {
    .comp-detail__info { padding: 1.5rem 1.25rem; }
    .comp-detail__name { font-size: 1.4rem; }
    .comp-detail__list { grid-template-columns: 1fr; }
    .comp-detail__list li span { min-width: 90px; }
}

/* ============================================================
   HISTORY / TIMELINE
   ============================================================ */
.history {
    background:
        radial-gradient(circle at 15% 20%, var(--blue-glow), transparent 40%),
        var(--bg-2);
}

.history__lead {
    text-align: center;
    margin-bottom: 5rem;
}
.history__lead h2 {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: clamp(2rem, 4.5vw, 3rem);
    letter-spacing: 0.25em;
    color: var(--ink);
    margin-bottom: 0.8rem;
}
.history__lead p {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--muted);
}

.timeline {
    position: relative;
    max-width: 980px;
    margin: 0 auto;
    padding: 2rem 0;
}
.timeline__rail {
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--blue) 8%, var(--line) 50%, var(--blue) 92%, transparent);
    transform: translateX(-50%);
}

.t-item {
    position: relative;
    width: 50%;
    padding: 0 3rem 3rem 0;
    text-align: right;
}
.t-item--right {
    margin-left: 50%;
    padding: 0 0 3rem 3rem;
    text-align: left;
}

.t-item__year {
    font-family: var(--f-display);
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--blue-deep);
    line-height: 1;
    margin-bottom: 0.8rem;
    position: relative;
}
.t-item::after {
    content: "";
    position: absolute;
    top: 0.9rem;
    right: -7px;
    width: 14px; height: 14px;
    background: var(--bg-2);
    border: 2px solid var(--blue);
    border-radius: 50%;
    z-index: 2;
    transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}
.t-item--right::after {
    right: auto;
    left: -7px;
}
.t-item:hover::after {
    background: var(--blue-bright);
    transform: scale(1.3);
    box-shadow: 0 0 16px var(--blue-glow);
}

.t-item__card {
    display: inline-block;
    text-align: left;
    max-width: 420px;
    position: relative;
}
.t-item--right .t-item__card { text-align: left; }

.t-item__tag {
    display: inline-block;
    font-family: var(--f-sans);
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--blue);
    border: 1px solid var(--blue);
    padding: 0.25rem 0.7rem;
    border-radius: 1px;
    margin-bottom: 0.8rem;
    font-weight: 500;
}
.t-item__tag--origin {
    color: var(--bg);
    background: var(--blue);
    border-color: var(--blue);
}
.t-item__card p {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--cream-dim);
    font-weight: 300;
}

.t-item--origin { padding-bottom: 0; }
.t-item--origin .t-item__year { color: var(--blue-deep); }

/* ============================================================
   HONOR
   ============================================================ */
.honor {
    background: var(--surface);
}

.honor__intro {
    max-width: 820px;
    font-size: 1.02rem;
    line-height: 2.1;
    color: var(--cream-dim);
    margin-bottom: 4.5rem;
    font-weight: 300;
    border-left: 3px solid var(--blue);
    padding-left: 2rem;
}

.honor__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.honor__item {
    background: var(--bg-2);
    padding: 2.2rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: background 0.4s var(--ease);
    position: relative;
}
.honor__item:hover { background: var(--bg); }
.honor__item:hover .honor__year { color: var(--blue-deep); }

.honor__item--more {
    grid-column: span 3;
    text-align: center;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg), var(--surface));
}
.honor__item--more .honor__title {
    font-family: var(--f-display);
    font-size: 2rem;
    color: var(--blue);
}
.honor__item--more .honor__award { color: var(--muted); }

.honor__year {
    font-family: var(--f-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--blue);
    line-height: 1;
    transition: color 0.4s var(--ease);
}
.honor__title {
    font-family: var(--f-serif-cn);
    font-size: 1rem;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: 0.04em;
    line-height: 1.5;
}
.honor__award {
    font-family: var(--f-sans);
    font-size: 0.74rem;
    letter-spacing: 0.15em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: auto;
    padding-top: 0.8rem;
}

/* ---------- Subheads inside honor / outlets ---------- */
.honor__subhead,
.awards__subhead {
    margin: 3rem 0 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.honor__subhead span,
.awards__subhead span {
    font-family: var(--f-sans);
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    color: var(--blue);
    text-transform: uppercase;
    white-space: nowrap;
    font-weight: 600;
}
.honor__subhead::before,
.honor__subhead::after,
.awards__subhead::before,
.awards__subhead::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}

/* ---------- Award plaques gallery ---------- */
.awards {
    margin-bottom: 1rem;
}
.awards__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.award {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 1.4rem 1.4rem 1.6rem;
    margin: 0;
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.4s var(--ease);
}
.award:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 45px -20px rgba(10, 58, 110, 0.25);
    border-color: var(--blue);
}
.award__frame {
    width: 100%;
    aspect-ratio: 5 / 3;
    overflow: hidden;
    border-radius: 2px;
    background: var(--surface);
    border: 1px solid var(--line);
    margin-bottom: 1.2rem;
    position: relative;
}
.award__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s var(--ease);
}
.award:hover .award__frame img {
    transform: scale(1.04);
}
.award__caption {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.award__year {
    font-family: var(--f-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--blue);
    line-height: 1;
}
.award__title {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--ink);
    letter-spacing: 0.04em;
    line-height: 1.4;
    margin-top: 0.1rem;
}
.award__desc {
    font-size: 0.86rem;
    color: var(--cream-dim);
    line-height: 1.6;
    font-weight: 300;
}
.award__from {
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 0.4rem;
    padding-top: 0.6rem;
    border-top: 1px dashed var(--line);
}
.award.reveal { transition-delay: calc(var(--i) * 0.1s); }

/* ============================================================
   OUTLETS
   ============================================================ */
.outlets__lead {
    text-align: center;
    margin-bottom: 4rem;
}
.outlets__lead h2 {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    letter-spacing: 0.25em;
    color: var(--ink);
    margin-bottom: 0.6rem;
}
.outlets__lead p {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--blue);
}

.outlets__hq {
    background:
        linear-gradient(135deg, var(--surface), var(--bg-2));
    border: 1px solid var(--blue);
    border-left: 5px solid var(--blue);
    padding: 3rem clamp(1.5rem, 4vw, 3.5rem);
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}
.outlets__hq::before {
    content: "HQ";
    position: absolute;
    top: -1rem; right: 1rem;
    font-family: var(--f-display);
    font-size: 12rem;
    font-weight: 600;
    color: var(--blue);
    opacity: 0.08;
    line-height: 1;
}
.outlets__hq-tag {
    font-family: var(--f-sans);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--blue-deep);
    margin-bottom: 1rem;
    font-weight: 600;
}
.outlets__hq-name {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    letter-spacing: 0.1em;
    color: var(--ink);
    margin-bottom: 1.2rem;
}
.outlets__hq-addr {
    font-size: 1rem;
    color: var(--cream-dim);
    line-height: 1.8;
    margin-bottom: 0.3rem;
}
.outlets__hq-addr-en {
    font-family: var(--f-sans);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 1rem;
}
.outlets__hq-tel {
    font-family: var(--f-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--blue-deep);
    letter-spacing: 0.1em;
}

.outlets__subhead {
    margin: 3rem 0 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.outlets__subhead span {
    font-family: var(--f-sans);
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    color: var(--blue);
    text-transform: uppercase;
    white-space: nowrap;
    font-weight: 600;
}
.outlets__subhead::before,
.outlets__subhead::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}

.outlets__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.outlets__grid--branch { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.outlet {
    background: var(--bg-2);
    padding: 1.8rem 1.5rem;
    transition: background 0.4s var(--ease);
    position: relative;
    min-height: 200px;
    display: flex;
    flex-direction: column;
}
.outlet:hover { background: var(--surface); }
.outlet:hover .outlet__city { color: var(--blue-deep); }
.outlet:hover .outlet__num { color: var(--blue-deep); }

.outlet__num {
    font-family: var(--f-sans);
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: var(--muted-2);
    margin-bottom: 0.8rem;
    transition: color 0.4s var(--ease);
    font-weight: 600;
}
.outlet__city {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: 1.35rem;
    letter-spacing: 0.08em;
    color: var(--ink);
    margin-bottom: 0.8rem;
    transition: color 0.4s var(--ease);
}
.outlet__addr {
    font-size: 0.84rem;
    line-height: 1.7;
    color: var(--cream-dim);
    flex: 1;
    margin-bottom: 0.8rem;
}
.outlet__tel {
    font-family: var(--f-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--blue-deep);
    letter-spacing: 0.08em;
    border-top: 1px solid var(--line);
    padding-top: 0.7rem;
}

.outlets__grid:not(.outlets__grid--branch) .outlet {
    /* production base cards slightly emphasized */
    background: var(--surface);
}
.outlets__grid:not(.outlets__grid--branch) .outlet__num { color: var(--blue); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: linear-gradient(180deg, var(--bg-2) 0%, var(--surface) 100%);
    border-top: 1px solid var(--line);
    padding: clamp(3rem, 6vw, 5rem) var(--pad) 2rem;
    margin-top: 4rem;
}
.footer__top {
    max-width: var(--maxw);
    margin: 0 auto 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--line);
}
.footer__brand { display: flex; align-items: center; gap: 1.2rem; }
.footer__brand-mark {
    width: 56px; height: 56px;
    display: grid; place-items: center;
    font-family: var(--f-serif-cn);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--blue);
    border-radius: 2px;
}
.footer__brand-cn {
    font-family: var(--f-serif-cn);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: 0.12em;
    color: var(--ink);
}
.footer__brand-en {
    font-family: var(--f-sans);
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 4px;
}
.footer__motto {
    font-family: var(--f-serif-cn);
    font-weight: 400;
    font-size: 1.1rem;
    letter-spacing: 0.35em;
    color: var(--blue-deep);
}

.footer__mid {
    max-width: var(--maxw);
    margin: 0 auto 3rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}
.footer__col-title {
    font-family: var(--f-sans);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    color: var(--blue);
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 600;
}
.footer__col p {
    font-size: 0.9rem;
    color: var(--cream-dim);
    line-height: 1.9;
}
.footer__col a {
    transition: color 0.3s var(--ease);
}
.footer__col a:hover { color: var(--blue-deep); }

.footer__bottom {
    max-width: var(--maxw);
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--f-sans);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    color: var(--muted-2);
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children inside grids */
.comp.reveal { transition-delay: calc(var(--i) * 0.08s); }
.outlet.reveal { transition-delay: calc(var(--i, 0) * 0.05s); }
.honor__item.reveal { transition-delay: calc(var(--i, 0) * 0.06s); }
.stat.reveal { transition-delay: calc(var(--i, 0) * 0.12s); }

/* Hero reveals — staggered on load */
.hero .reveal { transition-delay: 0s; }
.hero__eyebrow.reveal { transition-delay: 0.3s; }
.hero__title.reveal { transition-delay: 0.5s; }
.hero__tagline.reveal { transition-delay: 0.8s; }
.hero__sub.reveal { transition-delay: 1.05s; }
.hero__scroll.reveal { transition-delay: 1.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
    .nav__menu { display: none; }
    .nav__cta { display: none; }
    .nav__burger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }
    .nav__burger span {
        width: 24px; height: 1.5px;
        background: var(--ink);
        transition: transform 0.3s var(--ease);
    }
    .nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .nav__burger.open span:nth-child(2) { opacity: 0; }
    .nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

    .nav__menu.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--bg);
        padding: 2rem var(--pad);
        gap: 1.5rem;
        border-bottom: 1px solid var(--line);
    }

    .intro__body { grid-template-columns: 1fr; gap: 2.5rem; }
    .intro__stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: none; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); padding-bottom: 2.5rem; }
    .stat:nth-child(3), .stat:nth-child(4) { padding-top: 2.5rem; }

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

    .timeline__rail { left: 24px; }
    .t-item, .t-item--right {
        width: 100%;
        margin-left: 0;
        padding: 0 0 2.5rem 4rem;
        text-align: left;
    }
    .t-item::after, .t-item--right::after {
        right: auto;
        left: 18px;
    }
    .t-item__card { max-width: 100%; }

    .honor__grid { grid-template-columns: repeat(2, 1fr); }
    .honor__item--more { grid-column: span 2; }

    .awards__grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

    .outlets__grid { grid-template-columns: 1fr; }
    .outlets__grid--branch { grid-template-columns: 1fr; }

    .footer__mid { grid-template-columns: 1fr; gap: 2rem; }
    .footer__top { flex-direction: column; align-items: flex-start; text-align: left; }

    .hero__corner--tl { display: none; }
}

@media (max-width: 560px) {
    .intro__stats { grid-template-columns: 1fr; }
    .stat { border-right: none; border-bottom: 1px solid var(--line); padding: 2rem 0; }
    .stat:last-child { border-bottom: none; }
    .composition__grid { grid-template-columns: 1fr; }
    .honor__grid { grid-template-columns: 1fr; }
    .honor__item--more { grid-column: span 1; }
    .awards__grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .hero__corner--br { display: none; }
    .section__head { flex-wrap: wrap; }
}