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

:root {
--black: #08090b;
--dark: #0d1014;
--dark-2: #15191f;
--white: #ffffff;
--text: #181b20;
--muted: #707781;
--line: #dfe2e6;
--light: #f5f6f7;
--accent: #d7ff35;
}

html {
scroll-behavior: smooth;
}

body {
font-family:
Arial,
"Microsoft YaHei",
"PingFang SC",
sans-serif;
color: var(--text);
background: var(--white);
line-height: 1.7;
overflow-x: hidden;
}

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

.container {
width: min(1240px, calc(100% - 80px));
margin: 0 auto;
}

/* HEADER */

.site-header {
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 1000;
color: var(--white);
border-bottom: 1px solid rgba(255,255,255,.08);
transition: .3s ease;
}

.site-header.scrolled {
background: rgba(8,9,11,.95);
backdrop-filter: blur(12px);
}

.header-inner {
height: 84px;
display: flex;
align-items: center;
justify-content: space-between;
}

.logo {
display: inline-flex;
align-items: center;
gap: 12px;
}

.logo-mark {
width: 42px;
height: 42px;
border: 1px solid rgba(255,255,255,.55);
display: flex;
align-items: center;
justify-content: center;
font-size: 20px;
font-weight: 800;
letter-spacing: -.05em;
}

.logo-text {
display: flex;
flex-direction: column;
line-height: 1;
}

.logo-text strong {
font-size: 18px;
letter-spacing: .15em;
}

.logo-text small {
font-size: 11px;
margin-top: 5px;
letter-spacing: .25em;
opacity: .65;
}

.main-nav {
display: flex;
align-items: center;
gap: 30px;
}

.main-nav a {
font-size: 13px;
color: rgba(255,255,255,.78);
transition: .25s;
}

.main-nav a:hover {
color: var(--white);
}

.main-nav .nav-contact {
padding: 11px 18px;
border: 1px solid rgba(255,255,255,.35);
}

.menu-toggle {
display: none;
border: 0;
background: transparent;
cursor: pointer;
}

.menu-toggle span {
display: block;
width: 25px;
height: 2px;
margin: 5px 0;
background: #fff;
}

/* HERO */

.hero {
position: relative;
min-height: 820px;
background:
radial-gradient(circle at 75% 40%, rgba(215,255,53,.07), transparent 25%),
linear-gradient(125deg, #08090b 0%, #10141a 100%);
color: var(--white);
overflow: hidden;
}

.hero-grid {
position: absolute;
inset: 0;
opacity: .13;
background-image:
linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px),
linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
background-size: 70px 70px;
mask-image: linear-gradient(to right, transparent, black 50%, transparent);
}

.hero-inner {
min-height: 820px;
display: grid;
grid-template-columns: 1fr 1fr;
align-items: center;
gap: 70px;
}

.hero-content {
position: relative;
z-index: 2;
padding-top: 70px;
}

.eyebrow,
.small-title,
.section-label {
font-size: 11px;
letter-spacing: .22em;
font-weight: 700;
}

.eyebrow {
color: var(--accent);
margin-bottom: 25px;
}

.hero h1 {
font-size: clamp(48px, 5vw, 76px);
line-height: 1.08;
letter-spacing: -.04em;
font-weight: 700;
}

.hero h1 span {
color: #cfd4da;
}

.hero p {
max-width: 570px;
margin-top: 30px;
color: #9ca4ae;
font-size: 17px;
line-height: 1.9;
}

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

.btn {
display: inline-flex;
align-items: center;
gap: 25px;
min-height: 52px;
padding: 0 22px;
font-size: 12px;
font-weight: 700;
letter-spacing: .08em;
transition: .25s;
}

.btn-primary {
background: var(--accent);
color: #111;
}

.btn-primary:hover {
transform: translateY(-2px);
}

.btn-outline {
border: 1px solid rgba(255,255,255,.3);
color: #fff;
}

.btn-outline:hover {
background: rgba(255,255,255,.08);
}

/* HERO VISUAL */

.hero-visual {
display: flex;
justify-content: center;
align-items: center;
}

.server-card {
position: relative;
width: 490px;
padding: 28px;
background: linear-gradient(145deg, #1c222a, #090b0e);
border: 1px solid rgba(255,255,255,.13);
box-shadow: 0 40px 100px rgba(0,0,0,.45);
transform: perspective(900px) rotateY(-8deg) rotateX(3deg);
}

.server-top,
.server-bottom {
display: flex;
justify-content: space-between;
font-size: 9px;
letter-spacing: .18em;
color: #7f8994;
}

.status-dot {
width: 7px;
height: 7px;
border-radius: 50%;
background: var(--accent);
box-shadow: 0 0 15px rgba(215,255,53,.7);
}

.memory-board {
height: 300px;
margin: 30px 0;
padding: 35px 25px;
background:
linear-gradient(135deg, #151c20, #090d10);
border: 1px solid #273038;
display: flex;
justify-content: space-around;
align-items: center;
transform: rotateX(3deg);
}

.memory-module {
width: 90px;
height: 225px;
padding: 15px 10px;
background: linear-gradient(90deg, #15191c, #30373d);
border: 1px solid #58616a;
position: relative;
}

.memory-module:after {
content: "";
position: absolute;
bottom: -10px;
left: 0;
right: 0;
height: 10px;
background: repeating-linear-gradient(
90deg,
#b7bdc2 0 3px,
transparent 3px 6px
);
}

.memory-module i {
display: block;
height: 27px;
margin-bottom: 5px;
background: #090c0f;
border: 1px solid #39434b;
}

.memory-module i:first-child {
background: #252c31;
}

.module-two {
transform: translateY(-13px);
}

.server-bottom {
padding-top: 3px;
}

.hero-scroll {
position: absolute;
left: 50%;
bottom: 28px;
transform: translateX(-50%);
display: flex;
flex-direction: column;
align-items: center;
color: #727a84;
font-size: 9px;
letter-spacing: .2em;
}

.hero-scroll i {
width: 1px;
height: 35px;
margin-top: 8px;
background: #626a73;
}

/* COMMON SECTIONS */

.section {
padding: 130px 0;
}

.section-dark {
padding: 130px 0;
background: var(--dark);
color: #fff;
}

.section-light {
padding: 130px 0;
background: var(--light);
}

.section-label {
color: #9aa2ab;
margin-bottom: 30px;
}

.section-label.light {
color: #68727d;
}

.section h2 {
font-size: clamp(40px, 5vw, 64px);
line-height: 1.1;
letter-spacing: -.04em;
}

/* INTRO */

.intro-grid {
display: grid;
grid-template-columns: .9fr 1.1fr;
gap: 100px;
}

.small-title {
display: block;
margin-bottom: 22px;
color: #858d96;
}

.section-heading h2 em,
.research-header h2 em,
.contact-heading h2 em {
font-style: normal;
color: #7a838d;
}

.intro-text {
padding-top: 50px;
max-width: 650px;
}

.intro-text p {
color: #68717b;
margin-bottom: 22px;
}

.intro-text .lead {
font-size: 22px;
line-height: 1.65;
color: #24282e;
}

/* PRODUCTS */

.section-top {
display: flex;
align-items: flex-end;
justify-content: space-between;
gap: 60px;
margin-bottom: 60px;
}

.section-top h2 {
color: #fff;
}

.section-top > p {
width: 400px;
color: #7f8994;
}

.product-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 2px;
}

.product-card {
min-height: 390px;
position: relative;
padding: 38px;
background: #15191e;
overflow: hidden;
transition: .35s ease;
}

.product-card:hover {
background: #1a1f25;
}

.product-card-large {
grid-row: span 2;
min-height: 782px;
}

.product-card-brand {
background: #111419;
}

.product-number {
font-size: 10px;
color: #6e7780;
letter-spacing: .18em;
}

.product-content {
position: relative;
z-index: 2;
max-width: 330px;
margin-top: 100px;
}

.product-card-large .product-content {
margin-top: 240px;
}

.product-content > span {
font-size: 10px;
color: #78828d;
letter-spacing: .2em;
}

.product-content h3 {
margin: 8px 0 15px;
font-size: 32px;
letter-spacing: -.03em;
}

.product-content p {
color: #808a94;
font-size: 14px;
}

.product-content strong {
display: inline-block;
margin-top: 30px;
font-size: 10px;
letter-spacing: .15em;
color: var(--accent);
}

.ram-stick {
position: absolute;
width: 340px;
height: 85px;
right: -50px;
top: 80px;
background: linear-gradient(90deg, #242a2f, #5c646a);
border: 1px solid #778088;
transform: rotate(-14deg);
box-shadow: 0 30px 70px rgba(0,0,0,.5);
}

.ram-chips {
position: absolute;
inset: 18px 30px;
background: repeating-linear-gradient(
90deg,
#111 0 28px,
transparent 28px 40px
);
}

.ram-pins {
position: absolute;
bottom: -9px;
left: 0;
right: 0;
height: 9px;
background: repeating-linear-gradient(
90deg,
#c1c5c8 0 3px,
transparent 3px 6px
);
}

.storage-visual {
position: absolute;
right: 35px;
bottom: 35px;
}

.storage-drive {
width: 210px;
height: 125px;
padding: 18px;
background: linear-gradient(145deg, #383e44, #111419);
border: 1px solid #687079;
transform: rotate(-7deg);
display: flex;
align-items: flex-end;
color: #7e8992;
font-size: 10px;
letter-spacing: .2em;
}

.brand-symbol {
position: absolute;
right: 45px;
bottom: 10px;
font-size: 180px;
line-height: 1;
font-weight: 800;
color: rgba(255,255,255,.035);
}

/* RESEARCH */

.research-header {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 100px;
}

.research-description {
align-self: end;
max-width: 530px;
}

.research-description p {
color: #68717b;
font-size: 17px;
}

.research-line {
height: 1px;
background: var(--line);
margin: 80px 0 0;
}

.research-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
}

.research-item {
padding: 35px 30px 20px 0;
margin-right: 30px;
border-right: 1px solid var(--line);
}

.research-item:last-child {
border-right: 0;
}

.research-item > span {
font-size: 10px;
color: #9aa2aa;
letter-spacing: .15em;
}

.research-item h3 {
margin: 55px 0 18px;
font-size: 24px;
}

.research-item p {
color: #737c85;
font-size: 14px;
}

/* APPLICATIONS */

.applications-heading {
display: flex;
align-items: flex-end;
justify-content: space-between;
gap: 50px;
margin-bottom: 60px;
}

.applications-heading h2 {
color: #fff;
}

.applications-heading p {
width: 400px;
color: #747e88;
}

.application-list {
border-top: 1px solid #2b3036;
}

.application-list a {
min-height: 105px;
display: grid;
grid-template-columns: 80px 1fr 200px 50px;
align-items: center;
gap: 20px;
border-bottom: 1px solid #2b3036;
transition: .25s;
}

.application-list a:hover {
padding-left: 15px;
background: #11151a;
}

.application-list span,
.application-list small {
color: #606a74;
font-size: 10px;
letter-spacing: .15em;
}

.application-list strong {
font-size: 24px;
}

.application-list i {
font-style: normal;
color: var(--accent);
font-size: 20px;
}

/* ANCUN BRAND */

.brand-panel {
min-height: 570px;
display: grid;
grid-template-columns: .7fr 1.3fr;
position: relative;
background: #f0f2f3;
overflow: hidden;
}

.brand-big-letter {
display: flex;
align-items: center;
justify-content: center;
font-size: min(38vw, 480px);
font-weight: 800;
line-height: 1;
color: rgba(0,0,0,.045);
}

.brand-panel-content {
align-self: center;
padding: 60px 80px 60px 20px;
max-width: 700px;
}

.brand-panel-content h2 {
margin-bottom: 30px;
}

.brand-panel-content p {
color: #6e7780;
max-width: 600px;
}

.text-link {
display: inline-flex;
align-items: center;
gap: 30px;
margin-top: 35px;
font-size: 12px;
font-weight: 700;
letter-spacing: .1em;
}

.text-link span {
color: #69727c;
transition: .25s;
}

.text-link:hover span {
transform: translateX(5px);
}

/* SUPPORT */

.support-header {
display: flex;
justify-content: space-between;
align-items: flex-end;
gap: 50px;
margin-bottom: 60px;
}

.support-header p {
width: 420px;
color: #737c85;
}

.support-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 2px;
}

.support-grid a {
position: relative;
min-height: 270px;
padding: 30px;
background: #fff;
border: 1px solid #e2e5e8;
transition: .3s;
}

.support-grid a:hover {
transform: translateY(-5px);
box-shadow: 0 20px 50px rgba(0,0,0,.07);
}

.support-grid span {
color: #9aa2a9;
font-size: 10px;
}

.support-grid h3 {
margin-top: 65px;
font-size: 24px;
}

.support-grid p {
color: #7a838c;
font-size: 13px;
}

.support-grid b {
position: absolute;
right: 30px;
bottom: 25px;
font-size: 18px;
}

/* ABOUT */

.about-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 100px;
}

.about-content {
padding-top: 50px;
max-width: 650px;
}

.about-content .lead {
font-size: 21px;
line-height: 1.7;
margin-bottom: 25px;
}

.about-content p:not(.lead) {
color: #6f7881;
}

/* CONTACT */

.contact {
background: #090b0e;
}

.contact-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 120px;
}

.contact-heading h2 {
color: #fff;
}

.phone {
display: inline-block;
margin-top: 45px;
font-size: 28px;
color: var(--accent);
letter-spacing: .04em;
}

.contact-info {
padding-top: 50px;
}

.contact-item {
display: grid;
grid-template-columns: 110px 1fr;
gap: 30px;
padding: 22px 0;
border-bottom: 1px solid #292e34;
}

.contact-item span {
color: #68717a;
font-size: 11px;
letter-spacing: .14em;
}

.contact-item strong {
color: #d9dde1;
font-size: 14px;
line-height: 1.8;
font-weight: 400;
}

/* FOOTER */

.site-footer {
background: #050607;
color: #fff;
padding: 70px 0 25px;
}

.footer-main {
display: flex;
justify-content: space-between;
gap: 80px;
padding-bottom: 60px;
}

.footer-brand p {
margin-top: 25px;
color: #606871;
font-size: 13px;
}

.footer-nav {
display: flex;
gap: 90px;
}

.footer-nav > div {
display: flex;
flex-direction: column;
gap: 10px;
}

.footer-nav strong {
margin-bottom: 10px;
font-size: 11px;
letter-spacing: .16em;
}

.footer-nav a {
color: #6c747d;
font-size: 12px;
transition: .2s;
}

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

.footer-bottom {
padding-top: 22px;
border-top: 1px solid #1d2125;
display: flex;
justify-content: space-between;
color: #4e555d;
font-size: 10px;
letter-spacing: .08em;
}

/* RESPONSIVE */

@media (max-width: 1050px) {


.container {
    width: min(100% - 50px, 900px);
}

.main-nav {
    gap: 17px;
}

.hero-inner {
    gap: 30px;
}

.server-card {
    width: 410px;
}

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

.research-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 35px;
    margin-bottom: 20px;
}

}

@media (max-width: 780px) {


.container {
    width: calc(100% - 36px);
}

.header-inner {
    height: 72px;
}

.menu-toggle {
    display: block;
}

.main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    padding: 20px 18px 25px;
    background: rgba(8,9,11,.98);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

.main-nav.open {
    display: flex;
}

.main-nav a {
    padding: 15px 5px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.main-nav .nav-contact {
    border: 0;
}

.hero,
.hero-inner {
    min-height: auto;
}

.hero-inner {
    grid-template-columns: 1fr;
    padding-top: 150px;
    padding-bottom: 110px;
}

.hero-content {
    padding-top: 0;
}

.hero h1 {
    font-size: 48px;
}

.hero-visual {
    margin-top: 40px;
}

.server-card {
    width: 100%;
    transform: none;
}

.memory-board {
    height: 240px;
}

.memory-module {
    width: 65px;
    height: 180px;
}

.section,
.section-dark,
.section-light {
    padding: 85px 0;
}

.intro-grid,
.research-header,
.about-grid,
.contact-grid {
    grid-template-columns: 1fr;
    gap: 45px;
}

.intro-text,
.about-content,
.contact-info {
    padding-top: 0;
}

.section-top,
.applications-heading,
.support-header {
    display: block;
}

.section-top > p,
.applications-heading p,
.support-header p {
    width: auto;
    margin-top: 25px;
}

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

.product-card-large {
    grid-row: auto;
    min-height: 600px;
}

.product-card-large .product-content {
    margin-top: 250px;
}

.research-grid,
.support-grid {
    grid-template-columns: 1fr;
}

.research-item {
    margin-right: 0;
}

.application-list a {
    grid-template-columns: 45px 1fr 35px;
}

.application-list small {
    display: none;
}

.brand-panel {
    grid-template-columns: 1fr;
}

.brand-big-letter {
    position: absolute;
    right: -30px;
    top: -80px;
    font-size: 400px;
}

.brand-panel-content {
    position: relative;
    padding: 70px 35px;
}

.footer-main,
.footer-nav {
    flex-direction: column;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

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


}

@media (max-width: 480px) {


.hero h1 {
    font-size: 40px;
}

.hero p {
    font-size: 15px;
}

.hero-actions {
    flex-direction: column;
    align-items: stretch;
}

.btn {
    justify-content: space-between;
}

.product-card {
    min-height: 420px;
    padding: 28px;
}

.product-card-large {
    min-height: 570px;
}

.product-card-large .product-content {
    margin-top: 230px;
}

.ram-stick {
    width: 280px;
    right: -90px;
}

.contact-item {
    grid-template-columns: 1fr;
    gap: 5px;
}

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


}