/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background-color:#0D0D0D;color:#FFFFFF;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:#FFFFFF;text-decoration:none;transition:color 0.25s ease}
a:hover,a:focus-visible{color:#FFD700}
ul,ol{list-style:none}
input,button,textarea,select{font:inherit;color:inherit;border:none;background:none;outline:none}
button{cursor:pointer}
:focus-visible{outline:2px solid #FFD700;outline-offset:2px}

/* ===== CSS Variables ===== */
:root{--color-deep-red:#8B0000;--color-gold:#FFD700;--color-dark-bg:#0D0D0D;--color-dark-panel:#1A1A1A;--color-electric-blue:#00D4FF;--color-purple:#9B59B6;--color-white:#FFFFFF;--color-light-gray:#B0B0B0;--font-heading:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--font-body:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--font-accent:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--container-max:1280px;--gap:1.5rem;--radius:12px;--radius-lg:20px;--radius-pill:50px;--transition:0.25s ease}

/* ===== Container ===== */
.container{width:100%;max-width:var(--container-max);margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}
@media(min-width:768px){.container{padding-left:2rem;padding-right:2rem}}
@media(min-width:1024px){.container{padding-left:2.5rem;padding-right:2.5rem}}

/* ===== Skip Link ===== */
.skip-link{position:absolute;top:-100px;left:1rem;z-index:10000;padding:0.75rem 1.5rem;background:#8B0000;color:#FFFFFF;font-weight:700;border-radius:0 0 var(--radius) var(--radius);font-size:0.95rem;transition:top 0.3s ease}
.skip-link:focus{top:0;outline:2px solid #FFD700;outline-offset:2px}

/* ===== Progress Bar ===== */
.progress-bar{position:fixed;top:0;left:0;width:0%;height:4px;background:#FFD700;z-index:9999;transition:width 0.1s linear;border-radius:0 2px 2px 0;pointer-events:none}
@media(prefers-reduced-motion:reduce){.progress-bar{transition:none}}

/* ===== Site Header ===== */
.site-header{position:relative;background:#0D0D0D;border-top:4px solid #8B0000;border-bottom:1px solid rgba(255,215,0,0.25);z-index:1000}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;padding-top:0.75rem;padding-bottom:0.75rem;gap:1rem;flex-wrap:wrap}
.site-header__brand{flex-shrink:0}
.site-header__logo{font-family:var(--font-heading);font-weight:800;font-size:1.6rem;color:#FFD700;letter-spacing:0.02em;transition:opacity 0.25s ease}
.site-header__logo:hover,.site-header__logo:focus-visible{opacity:0.85;color:#FFD700}
.site-header__logo-accent{font-weight:300;color:#FFFFFF;margin-left:0.1em;font-style:italic}
.site-header__nav{display:none;width:100%;order:3;margin-top:0.75rem;border-top:1px solid rgba(255,215,0,0.15);padding-top:0.75rem}
.site-header__nav[data-open]{display:block}
.site-header__nav-list{display:flex;flex-direction:column;gap:0.25rem}
.site-header__nav-list li{width:100%}
.nav-link{display:block;padding:0.6rem 1rem;border-radius:var(--radius);font-family:var(--font-heading);font-weight:600;font-size:1rem;color:#FFFFFF;transition:background 0.25s ease,color 0.25s ease;text-align:left}
.nav-link:hover,.nav-link:focus-visible{background:rgba(139,0,0,0.4);color:#FFD700}
.nav-link[aria-current="page"]{color:#FFD700;border-left:3px solid #FFD700;background:rgba(139,0,0,0.25)}
.site-header__search{flex-shrink:0;order:2;margin-left:auto;display:none}
.site-header__search-input{padding:0.45rem 1rem;border-radius:var(--radius-pill);background:#1A1A1A;color:#FFFFFF;border:1px solid rgba(255,215,0,0.2);width:180px;font-size:0.9rem;transition:border-color 0.3s ease,width 0.3s ease}
.site-header__search-input::placeholder{color:#B0B0B0}
.site-header__search-input:focus{border-color:#FFD700;width:220px;outline:none}
.site-header__toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:40px;height:40px;border-radius:8px;background:transparent;border:1px solid rgba(255,215,0,0.3);order:1;flex-shrink:0;transition:background 0.25s ease,border-color 0.25s ease}
.site-header__toggle:hover,.site-header__toggle:focus-visible{background:rgba(139,0,0,0.3);border-color:#FFD700}
.site-header__toggle-bar{display:block;width:22px;height:2px;background:#FFD700;border-radius:2px;transition:transform 0.3s ease,opacity 0.3s ease}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2){opacity:0}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media(min-width:768px){
.site-header__inner{flex-wrap:nowrap;padding-top:1rem;padding-bottom:1rem}
.site-header__nav{display:flex;width:auto;order:2;margin-top:0;border-top:none;padding-top:0;flex:1;justify-content:center}
.site-header__nav-list{flex-direction:row;gap:0.5rem}
.site-header__nav-list li{width:auto}
.nav-link{padding:0.5rem 1rem;font-size:0.95rem;text-align:center;border-radius:var(--radius);border-left:none}
.nav-link[aria-current="page"]{border-left:none;border-bottom:3px solid #FFD700;background:transparent}
.nav-link:hover,.nav-link:focus-visible{background:rgba(139,0,0,0.25);color:#FFD700}
.site-header__search{display:block;order:3;margin-left:0}
.site-header__toggle{display:none}
}

@media(min-width:1024px){
.site-header__logo{font-size:1.8rem}
.nav-link{padding:0.5rem 1.25rem;font-size:1rem}
.site-header__search-input{width:200px}
.site-header__search-input:focus{width:250px}
}

/* ===== Site Footer ===== */
.site-footer{background:#0D0D0D;border-top:3px solid #8B0000;padding:2.5rem 0 1.5rem;margin-top:3rem}
.site-footer__inner{display:flex;flex-direction:column;gap:1.5rem}
.site-footer__top{display:flex;flex-direction:column;gap:1.25rem}
.site-footer__brand{display:flex;flex-direction:column;gap:0.35rem}
.site-footer__logo{font-family:var(--font-heading);font-weight:800;font-size:1.4rem;color:#FFD700;letter-spacing:0.02em}
.site-footer__logo-accent{font-weight:300;color:#FFFFFF;font-style:italic;margin-left:0.1em}
.site-footer__tagline{font-size:0.85rem;color:#B0B0B0;font-family:var(--font-body)}
.site-footer__links{display:flex;flex-wrap:wrap;gap:0.75rem 1.5rem;align-items:center}
.footer-link{font-size:0.9rem;color:#FFFFFF;transition:color 0.25s ease;position:relative}
.footer-link:hover,.footer-link:focus-visible{color:#FFD700}
.footer-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:#FFD700;transition:width 0.25s ease}
.footer-link:hover::after,.footer-link:focus-visible::after{width:100%}
.site-footer__contact{display:flex;flex-direction:column;gap:0.35rem;padding:1rem 0;border-top:1px solid rgba(255,215,0,0.1);border-bottom:1px solid rgba(255,215,0,0.1)}
.site-footer__contact-item{font-size:0.85rem;color:#B0B0B0;line-height:1.5}
.site-footer__contact-item .footer-link{font-size:0.85rem;color:#B0B0B0}
.site-footer__contact-item .footer-link:hover{color:#FFD700}
.site-footer__copyright{font-size:0.8rem;color:#666;text-align:center;padding-top:0.5rem}

@media(min-width:768px){
.site-footer{padding:3rem 0 1.5rem}
.site-footer__top{flex-direction:row;justify-content:space-between;align-items:flex-start}
.site-footer__brand{flex:1}
.site-footer__links{flex-shrink:0;padding-top:0.25rem}
.site-footer__contact{flex-direction:row;flex-wrap:wrap;gap:0.5rem 2rem;justify-content:space-between}
.site-footer__contact-item{font-size:0.9rem}
}

@media(min-width:1024px){
.site-footer__logo{font-size:1.6rem}
.site-footer__tagline{font-size:0.9rem}
}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:0.7rem 1.8rem;border-radius:var(--radius-pill);font-family:var(--font-heading);font-weight:600;font-size:0.95rem;border:2px solid transparent;transition:all 0.3s ease;cursor:pointer;text-align:center;line-height:1.3}
.btn--primary{background:#8B0000;color:#FFFFFF;border-color:#8B0000}
.btn--primary:hover,.btn--primary:focus-visible{background:#a00000;border-color:#a00000;color:#FFFFFF;transform:translateY(-2px);box-shadow:0 6px 20px rgba(139,0,0,0.35)}
.btn--accent{background:#FFD700;color:#0D0D0D;border-color:#FFD700}
.btn--accent:hover,.btn--accent:focus-visible{background:#ffed4a;border-color:#ffed4a;color:#0D0D0D;transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,215,0,0.3)}
.btn--outline{background:transparent;color:#FFD700;border-color:#FFD700}
.btn--outline:hover,.btn--outline:focus-visible{background:rgba(255,215,0,0.1);color:#FFD700;transform:translateY(-2px)}
@media(prefers-reduced-motion:reduce){.btn,.btn--primary,.btn--accent,.btn--outline{transition:none;transform:none!important;box-shadow:none!important}}

/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:0.4rem 0.6rem;padding:0.75rem 0;font-size:0.85rem;color:#B0B0B0}
.breadcrumb a{color:#B0B0B0;transition:color 0.25s ease}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:#FFD700}
.breadcrumb__separator{color:#FFD700;font-weight:600;font-size:0.75rem;display:inline-flex;align-items:center}
.breadcrumb__current{color:#FFFFFF;font-weight:600}

/* ===== Card ===== */
.card{background:#1A1A1A;border-radius:var(--radius-lg);padding:1.5rem;border:1px solid rgba(255,215,0,0.08);transition:border-color 0.3s ease,transform 0.3s ease}
.card:hover{border-color:rgba(255,215,0,0.25);transform:translateY(-3px)}
.card__title{font-family:var(--font-heading);font-weight:700;font-size:1.1rem;color:#FFFFFF;margin-bottom:0.5rem}
.card__text{font-size:0.9rem;color:#B0B0B0;line-height:1.6}
.card__accent{color:#FFD700;font-weight:600}
@media(prefers-reduced-motion:reduce){.card{transition:none;transform:none!important}}

/* ===== Grid ===== */
.grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.grid--4{grid-template-columns:1fr}
@media(min-width:768px){.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(2,1fr)}.grid--4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}

/* ===== Section ===== */
.section{padding:2.5rem 0}
.section__title{font-family:var(--font-heading);font-weight:800;font-size:1.6rem;color:#FFFFFF;margin-bottom:0.5rem;position:relative;display:inline-block}
.section__title::after{content:'';display:block;width:50px;height:3px;background:#8B0000;margin-top:0.4rem;border-radius:2px}
.section__subtitle{font-size:0.95rem;color:#B0B0B0;margin-bottom:1.5rem;max-width:640px}
.section__accent{color:#FFD700;font-weight:600}
@media(min-width:768px){.section{padding:3.5rem 0}.section__title{font-size:2rem}.section__subtitle{font-size:1rem}}

/* ===== Tag ===== */
.tag{display:inline-flex;align-items:center;padding:0.2rem 0.8rem;border-radius:var(--radius-pill);font-size:0.75rem;font-weight:600;font-family:var(--font-heading);background:rgba(139,0,0,0.25);color:#FFD700;border:1px solid rgba(255,215,0,0.2)}
.tag--blue{background:rgba(0,212,255,0.15);color:#00D4FF;border-color:rgba(0,212,255,0.25)}
.tag--purple{background:rgba(155,89,182,0.15);color:#9B59B6;border-color:rgba(155,89,182,0.25)}

/* ===== Divider ===== */
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,215,0,0.25),transparent);margin:1.5rem 0;border:none}

/* ===== Stat ===== */
.stat{text-align:center;padding:1.25rem}
.stat__value{font-family:var(--font-heading);font-weight:800;font-size:2.2rem;color:#FFD700;line-height:1.1}
.stat__label{font-size:0.85rem;color:#B0B0B0;margin-top:0.3rem;text-transform:uppercase;letter-spacing:0.05em}
@media(min-width:768px){.stat__value{font-size:2.8rem}}

/* ===== Image Container ===== */
.img-container{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:#1A1A1A;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.img-container--4-3{aspect-ratio:4/3}
.img-container--1-1{aspect-ratio:1/1}
.img-container__placeholder{color:#B0B0B0;font-size:0.85rem;opacity:0.5}

/* ===== List ===== */
.list{display:flex;flex-direction:column;gap:0.6rem}
.list__item{display:flex;align-items:flex-start;gap:0.6rem;font-size:0.92rem;color:#B0B0B0;line-height:1.5}
.list__item::before{content:'▸';color:#FFD700;font-weight:700;flex-shrink:0}

/* ===== Responsive ===== */
@media(min-width:768px){
:root{--gap:2rem}
}
@media(min-width:1024px){
:root{--gap:2.5rem}
}

/* ===== Reduced Motion ===== */
@media(prefers-reduced-motion:reduce){
*{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}
.progress-bar{display:none}
}