body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    scroll-behavior: smooth;
    background: #ffffff;
}
section { scroll-margin-top: 8rem; }
.bg-mesh {
    background-color: #ffffff;
    background-image: linear-gradient(to right, #f1f5f9 1px, transparent 1px), linear-gradient(to bottom, #f1f5f9 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: center top;
}
.glass-nav {
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}
.product-hero-title {
    font-size: 5.45rem;
    line-height: 0.96;
    letter-spacing: 0;
    text-wrap: balance;
    overflow-wrap: anywhere;
    word-break: break-word;
    max-width: 100%;
}
.product-hero-title .title-segment {
    display: inline;
}
.slogan-segment {
    display: inline;
}
.hero-copy {
    overflow-wrap: anywhere;
    word-break: break-word;
}
.text-gradient {
    background: linear-gradient(135deg, #111827 0%, #334155 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-bottom: 0.15em;
}
.brand-gradient {
    background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hover-lift { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08); border-color: rgba(37, 99, 235, 0.28); }
.workflow-panel {
    background:
        radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.30), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(59, 130, 246, 0.18), transparent 25%),
        linear-gradient(135deg, #07111f 0%, #0b1220 56%, #111827 100%);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.34);
}
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.75rem;
    position: relative;
}
.workflow-step {
    min-height: 168px;
    position: relative;
    background: rgba(15, 23, 42, 0.78);
    border: 1px solid rgba(148, 163, 184, 0.22);
    color: #e5e7eb;
}
.workflow-step::after {
    content: "";
    position: absolute;
    right: -0.75rem;
    top: 50%;
    width: 0.75rem;
    height: 1px;
    background: rgba(96, 165, 250, 0.72);
}
.workflow-step:last-child::after { display: none; }
.workflow-step.gate {
    border-color: rgba(96, 165, 250, 0.62);
    box-shadow: 0 0 34px rgba(37, 99, 235, 0.22);
}
.quality-loop-panel {
    background:
        radial-gradient(circle at 50% 48%, rgba(37, 99, 235, 0.32), transparent 26%),
        radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.24), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(59, 130, 246, 0.18), transparent 25%),
        linear-gradient(135deg, #07111f 0%, #0b1220 56%, #111827 100%);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.34);
}
.quality-loop-canvas {
    position: relative;
    min-height: 390px;
}
.quality-loop-path {
    position: absolute;
    inset: 2.25rem 2.2rem 3.4rem;
    overflow: visible;
    pointer-events: none;
}
.loop-stage,
.loop-center,
.loop-capability-bar {
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.28);
    color: #e5e7eb;
}
.loop-stage {
    position: absolute;
    width: min(16.5rem, 31%);
    min-height: 5.65rem;
    padding: 1.05rem 1.2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}
.loop-stage.top {
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}
.loop-stage.right {
    right: 0;
    top: 38%;
    transform: translateY(-50%);
}
.loop-stage.bottom {
    left: 50%;
    bottom: 0.35rem;
    transform: translateX(-50%);
}
.loop-stage.left {
    left: 0;
    top: 38%;
    transform: translateY(-50%);
}
.loop-center {
    position: absolute;
    left: 50%;
    top: 48%;
    width: 12rem;
    height: 12rem;
    transform: translate(-50%, -50%);
    border-radius: 999px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
        radial-gradient(circle at 50% 18%, rgba(37, 99, 235, 0.58), rgba(15, 23, 42, 0.8) 58%, rgba(15, 23, 42, 0.55));
    border: 1px dashed rgba(96, 165, 250, 0.82);
    box-shadow: 0 0 46px rgba(37, 99, 235, 0.34);
}
.loop-center-icon {
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.9rem;
    color: #93c5fd;
    background: rgba(37, 99, 235, 0.22);
    border: 1px solid rgba(96, 165, 250, 0.52);
}
.loop-center-icon svg { width: 1.75rem; height: 1.75rem; }
.loop-stage-title {
    color: #f8fafc;
    font-size: 1rem;
    line-height: 1.25;
    font-weight: 700;
}
.loop-stage-meta {
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.45;
    margin-top: 0.55rem;
}
.loop-capability-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-radius: 1rem;
    padding: 0.8rem 1rem;
}
.loop-capability-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-width: 0;
    color: #dbeafe;
    font-size: 0.95rem;
    font-weight: 600;
}
.loop-capability-item + .loop-capability-item {
    border-left: 1px solid rgba(148, 163, 184, 0.28);
}
.loop-capability-icon {
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    color: #93c5fd;
}
body.lang-en .loop-stage-title {
    font-size: 0.92rem;
}
body.lang-en .loop-stage-meta,
body.lang-en .loop-capability-item {
    font-size: 0.82rem;
}
body.lang-en .loop-center [data-i18n="loopCenter"] {
    font-size: 1.25rem;
}
.node-index {
    color: #93c5fd;
    letter-spacing: 0.18em;
}
.capability-list {
    counter-reset: capability;
}
.capability-item {
    counter-increment: capability;
}
.capability-item::before {
    content: counter(capability, decimal-leading-zero);
    display: block;
    color: #2563eb;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    margin-bottom: 0.75rem;
}
@media (max-width: 1024px) {
    .workflow-grid { grid-template-columns: 1fr; gap: 0.9rem; }
    .workflow-step { min-height: auto; }
    .workflow-step::after {
        right: auto;
        left: 1.5rem;
        top: auto;
        bottom: -0.9rem;
        width: 1px;
        height: 0.9rem;
    }
    .quality-loop-canvas {
        min-height: auto;
        display: grid;
        gap: 0.85rem;
    }
    .quality-loop-path { display: none; }
    .loop-stage,
    .loop-center {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        width: 100%;
        height: auto;
        min-height: auto;
        transform: none;
        border-radius: 1rem;
    }
    .loop-center {
        min-height: 9rem;
        order: 3;
    }
    .loop-stage.top { order: 1; }
    .loop-stage.right { order: 2; }
    .loop-stage.bottom { order: 4; }
    .loop-stage.left { order: 5; }
    .loop-capability-bar {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }
    .loop-capability-item + .loop-capability-item {
        border-left: 0;
        border-top: 1px solid rgba(148, 163, 184, 0.28);
        padding-top: 0.65rem;
    }
}
@media (max-width: 640px) {
    .product-hero-title { font-size: 1.75rem; line-height: 1.08; text-wrap: wrap; word-break: break-all; max-width: 36rem; }
    .product-hero-title .title-segment.tail { display: block; }
    .slogan-segment.tail { display: block; }
    .hero-copy { max-width: 36rem; }
}
@media (max-width: 420px) {
    .product-hero-title { font-size: 1.55rem; max-width: 21.5rem; }
    .hero-copy { max-width: 21.5rem; }
}
@media (min-width: 641px) and (max-width: 768px) {
    .product-hero-title { font-size: 2.6rem; max-width: 34rem; }
    .product-hero-title .title-segment.tail { display: block; }
    .slogan-segment.tail { display: block; }
    .hero-copy { max-width: 21.5rem; }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .product-hero-title { font-size: 4.1rem; }
}
@media (min-width: 1025px) and (max-width: 1280px) {
    .product-hero-title { font-size: 4.85rem; }
}
.hero-line { margin-bottom: 1rem; }
.title-line { display: inline; }
body.lang-en .hero-line { margin-bottom: 0.4rem; }
body.lang-en .title-line { display: block; margin-bottom: 0.4rem; }
body.lang-en .title-line + .title-line { margin-bottom: 0; }
body.lang-en .title-line:last-child { margin-bottom: 0; }
.contact-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    border-color: rgba(37, 99, 235, 0.28);
}
.contact-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #2563eb;
    margin-bottom: 1.25rem;
}
.contact-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}
.contact-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}
.contact-value {
    font-size: 0.82rem;
    color: #475569;
    white-space: nowrap;
}
.contact-img {
    width: 11rem;
    height: 11rem;
    object-fit: contain;
    margin-bottom: 1.25rem;
    border-radius: 0.75rem;
}