*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{min-height:100vh;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
ul[class],ol[class]{list-style:none}
a{color:inherit}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:3px}

:root{
--navy-950:#0A1628;
--navy-900:#0E1B2E;
--navy-800:#132238;
--gold-400:#D4AF37;
--gold-300:#EBCB6B;
--gold-dark:#B8942F;
--violet-500:#8B5CF6;
--violet-700:#6D28D9;
--cream-100:#F5F0E6;
--cream-200:#EAE2D0;
--ink-900:#1A202C;
--slate-300:#CBD5E1;
--white:#FFFFFF;
--font-heading:"Playfair Display","Noto Serif SC",serif;
--font-body:"Inter","Noto Sans SC",sans-serif;
--content-max:1360px;
--content-pad:clamp(16px,4vw,48px);
--header-h:72px;
--radius-sm:4px;
--radius-md:10px;
--shadow-card:0 10px 32px rgba(0,0,0,0.35);
--shadow-float:0 18px 48px rgba(0,0,0,0.5);
--transition:0.3s cubic-bezier(0.4,0,0.2,1);
--gold-grad:linear-gradient(135deg,#EBCB6B 0%,#D4AF37 45%,#B8942F 100%);
--violet-grad:linear-gradient(135deg,#8B5CF6 0%,#6D28D9 100%);
}

body{
font-family:var(--font-body);
font-size:1rem;
line-height:1.75;
color:var(--slate-300);
background-color:var(--navy-950);
background-image:
radial-gradient(1.5px 1.5px at 18% 30%,rgba(255,255,255,0.5),transparent 100%),
radial-gradient(1px 1px at 42% 15%,rgba(255,255,255,0.35),transparent 100%),
radial-gradient(1px 1px at 67% 40%,rgba(255,255,255,0.45),transparent 100%),
radial-gradient(1.5px 1.5px at 84% 25%,rgba(255,255,255,0.3),transparent 100%),
radial-gradient(1px 1px at 35% 60%,rgba(255,255,255,0.4),transparent 100%),
radial-gradient(1px 1px at 75% 65%,rgba(255,255,255,0.3),transparent 100%),
radial-gradient(1.5px 1.5px at 10% 85%,rgba(255,255,255,0.4),transparent 100%),
radial-gradient(1px 1px at 55% 88%,rgba(255,255,255,0.35),transparent 100%),
radial-gradient(1px 1px at 92% 50%,rgba(255,255,255,0.25),transparent 100%),
radial-gradient(1px 1px at 25% 10%,rgba(255,255,255,0.3),transparent 100%),
radial-gradient(1000px 600px at 90% -10%,rgba(139,92,246,0.18),transparent 65%),
radial-gradient(800px 550px at -5% 35%,rgba(109,40,217,0.14),transparent 65%),
radial-gradient(700px 500px at 50% 120%,rgba(139,92,246,0.10),transparent 70%);
background-repeat:no-repeat;
}

h1,h2,h3,h4,h5{
font-family:var(--font-heading);
color:var(--white);
line-height:1.25;
font-weight:700;
letter-spacing:0.01em;
}
h1{font-size:clamp(2.5rem,5vw,3.5rem)}
h2{font-size:clamp(1.75rem,3.5vw,2.5rem)}
h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}
h4{font-size:1.25rem}
h5{font-size:1rem}
p{margin-bottom:1em}
strong{color:var(--white);font-weight:600}
#main-content{display:block;min-height:60vh}
#main-content:focus{outline:none}

.content-width{
width:100%;
max-width:var(--content-max);
margin-inline:auto;
padding-inline:var(--content-pad);
}

.content-container{
width:100%;
max-width:760px;
margin-inline:auto;
padding-inline:var(--content-pad);
}
.content-container ul{list-style:disc;padding-left:1.4em;margin-bottom:1em}
.content-container ol{list-style:decimal;padding-left:1.4em;margin-bottom:1em}
.content-container li{margin-bottom:0.4em}

.skip-link{
position:fixed;
top:-100px;
left:16px;
z-index:9999;
background:var(--gold-grad);
color:var(--navy-950);
font-weight:700;
padding:12px 24px;
border-radius:0 0 8px 8px;
box-shadow:0 4px 16px rgba(0,0,0,0.3);
transition:top 0.2s ease;
font-size:0.9rem;
}
.skip-link:focus{top:0}

.site-header{
position:sticky;
top:0;
z-index:1000;
background:rgba(10,22,40,0.88);
backdrop-filter:blur(18px) saturate(1.2);
-webkit-backdrop-filter:blur(18px) saturate(1.2);
}

.site-header__inner{
max-width:var(--content-max);
margin:0 auto;
padding:0 var(--content-pad);
height:var(--header-h);
display:flex;
align-items:center;
justify-content:space-between;
position:relative;
}

.site-header__inner::before{
content:"";
position:absolute;
left:50%;
top:50%;
transform:translate(-50%,-50%);
width:1px;
height:26px;
background:linear-gradient(to bottom,transparent,var(--gold-400),transparent);
opacity:0.45;
pointer-events:none;
}

.site-header::after{
content:"";
position:absolute;
bottom:0;
left:0;
right:0;
height:1px;
background:linear-gradient(to right,transparent,rgba(212,175,55,0.35) 30%,var(--gold-400) 50%,rgba(212,175,55,0.35) 70%,transparent);
pointer-events:none;
}

.scroll-progress{
position:fixed;
top:0;
left:0;
height:3px;
width:0%;
background:var(--gold-grad);
z-index:2000;
box-shadow:0 0 10px rgba(212,175,55,0.4);
transition:width 0.05s linear;
}

.site-brand{
display:inline-flex;
align-items:center;
gap:14px;
text-decoration:none;
min-height:var(--header-h);
padding:8px 0;
}

.site-brand__mark{
width:44px;
height:44px;
position:relative;
display:inline-flex;
align-items:center;
justify-content:center;
flex-shrink:0;
}
.site-brand__mark::before{
content:"";
position:absolute;
inset:2px;
background:linear-gradient(145deg,var(--navy-900),#141F38);
border:1.5px solid var(--gold-400);
transform:rotate(45deg);
border-radius:5px;
box-shadow:0 0 14px rgba(212,175,55,0.2),inset 0 0 6px rgba(212,175,55,0.08);
}
.site-brand__mark::after{
content:"";
position:absolute;
width:14px;
height:10px;
background:var(--gold-400);
border-radius:60% 40% 55% 45%;
box-shadow:5px 2px 0 -2px var(--gold-400),-5px 2px 0 -2px var(--gold-400);
opacity:0.9;
}

.site-brand__text{
display:inline-flex;
flex-direction:column;
line-height:1.2;
}

.site-brand__name{
font-family:var(--font-heading);
font-size:1.3rem;
font-weight:700;
color:var(--white);
letter-spacing:0.06em;
}

.site-brand__tagline{
font-size:0.72rem;
color:var(--gold-400);
letter-spacing:0.28em;
text-transform:uppercase;
margin-top:2px;
}

.site-nav__list{
display:flex;
gap:28px;
align-items:center;
}

.site-nav__link{
display:inline-block;
color:var(--white);
text-decoration:none;
font-size:0.95rem;
font-weight:500;
letter-spacing:0.04em;
padding:8px 2px;
position:relative;
transition:color 0.3s ease;
white-space:nowrap;
}

.site-nav__link::after{
content:"";
position:absolute;
bottom:0;
left:0;
width:100%;
height:2px;
background:var(--gold-grad);
transform:scaleX(0);
transform-origin:right;
transition:transform 0.35s cubic-bezier(0.4,0,0.2,1);
border-radius:2px;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"]{
color:var(--gold-300);
}
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after{
transform:scaleX(1);
transform-origin:left;
}

.site-nav__toggle{
display:none;
}

@media(max-width:768px){
.site-header__inner::before{display:none}
.site-nav__toggle{
display:inline-flex;
flex-direction:column;
justify-content:center;
gap:5px;
width:44px;
height:44px;
background:transparent;
border:1px solid rgba(212,175,55,0.35);
border-radius:var(--radius-sm);
padding:10px;
z-index:1002;
transition:border-color 0.3s ease;
}
.site-nav__toggle:hover{border-color:var(--gold-400)}
.site-nav__toggle[aria-expanded="true"]{border-color:var(--gold-400)}
.site-nav__toggle-bar{
display:block;
height:2px;
background:var(--gold-400);
border-radius:2px;
transition:transform 0.3s ease,opacity 0.3s ease;
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2){opacity:0}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-nav{
position:fixed;
top:var(--header-h);
left:0;
right:0;
background:rgba(10,22,40,0.98);
backdrop-filter:blur(16px);
-webkit-backdrop-filter:blur(16px);
border-bottom:1px solid rgba(212,175,55,0.3);
box-shadow:0 24px 48px rgba(0,0,0,0.5);
opacity:0;
visibility:hidden;
transform:translateY(-12px);
transition:opacity 0.3s ease,transform 0.3s ease,visibility 0.3s;
max-height:calc(100vh - var(--header-h));
overflow-y:auto;
}
.site-nav[data-open]{
opacity:1;
visibility:visible;
transform:translateY(0);
}
.site-nav__list{
flex-direction:column;
align-items:stretch;
gap:0;
padding:8px var(--content-pad) 20px;
}
.site-nav__link{
display:block;
padding:15px 4px;
border-bottom:1px solid rgba(255,255,255,0.06);
font-size:1.05rem;
white-space:normal;
}
.site-nav__item:last-child .site-nav__link{border-bottom:none}
}

@media(min-width:769px){
.site-nav{display:block}
}

.site-footer{
background:var(--navy-900);
position:relative;
margin-top:80px;
}

.site-footer::before{
content:"";
position:absolute;
top:0;
left:0;
right:0;
height:3px;
background:var(--gold-grad);
z-index:1;
}

.site-footer__inner{
max-width:var(--content-max);
margin:0 auto;
padding:72px var(--content-pad) 48px;
display:grid;
grid-template-columns:1.5fr 1fr 1.1fr;
gap:48px;
}
.site-footer__col--brand{
padding-right:32px;
}

.site-footer__brand{
display:inline-flex;
align-items:center;
gap:12px;
text-decoration:none;
margin-bottom:18px;
}

.site-footer__brand-mark{
width:32px;
height:32px;
position:relative;
display:inline-block;
flex-shrink:0;
}
.site-footer__brand-mark::before{
content:"";
position:absolute;
inset:3px;
background:var(--navy-900);
border:1.5px solid var(--gold-400);
transform:rotate(45deg);
border-radius:4px;
box-shadow:0 0 10px rgba(212,175,55,0.15);
}
.site-footer__brand-mark::after{
content:"";
position:absolute;
inset:10px;
background:var(--gold-400);
transform:rotate(45deg);
border-radius:2px;
}

.site-footer__brand-name{
font-family:var(--font-heading);
font-size:1.45rem;
font-weight:700;
color:var(--white);
letter-spacing:0.05em;
}

.site-footer__brand-tag{
font-size:0.7rem;
color:var(--gold-400);
letter-spacing:0.24em;
text-transform:uppercase;
margin-left:8px;
padding:3px 10px;
border:1px solid rgba(212,175,55,0.3);
border-radius:100px;
}

.site-footer__desc{
font-size:0.92rem;
line-height:1.8;
color:var(--slate-300);
margin-bottom:16px;
max-width:420px;
}

.site-footer__trust{
font-size:0.85rem;
color:rgba(203,213,225,0.7);
background:rgba(212,175,55,0.06);
border-left:3px solid var(--gold-400);
padding:10px 14px;
border-radius:0 6px 6px 0;
line-height:1.6;
}

.site-footer__trust-badge{
display:inline-block;
color:var(--gold-400);
font-weight:700;
margin-right:4px;
}

.site-footer__heading{
font-family:var(--font-heading);
font-size:1.05rem;
color:var(--gold-300);
font-weight:600;
letter-spacing:0.05em;
margin-bottom:18px;
position:relative;
padding-bottom:8px;
}
.site-footer__heading::after{
content:"";
position:absolute;
left:0;
bottom:0;
width:32px;
height:2px;
background:var(--gold-grad);
border-radius:2px;
}
.site-footer__heading--sub{
margin-top:28px;
font-size:0.95rem;
color:var(--slate-300);
}

.site-footer__links li{
margin-bottom:10px;
}
.site-footer__links a{
color:var(--slate-300);
text-decoration:none;
font-size:0.92rem;
transition:color 0.25s ease,padding-left 0.25s ease;
}
.site-footer__links a:hover{
color:var(--gold-300);
padding-left:6px;
}

.site-footer__contact{
margin-bottom:12px;
}
.site-footer__contact li{
font-size:0.88rem;
color:var(--slate-300);
line-height:1.8;
display:flex;
gap:8px;
}
.site-footer__contact-name{
color:var(--gold-400);
font-weight:500;
flex-shrink:0;
min-width:64px;
}

.site-footer__note{
font-size:0.82rem;
color:rgba(203,213,225,0.55);
margin-top:10px;
padding-top:10px;
border-top:1px dashed rgba(203,213,225,0.15);
}

.site-footer__bottom{
border-top:1px solid rgba(255,255,255,0.07);
background:rgba(10,22,40,0.45);
}

.site-footer__bottom-inner{
max-width:var(--content-max);
margin:0 auto;
padding:20px var(--content-pad);
display:flex;
justify-content:space-between;
align-items:center;
gap:12px;
flex-wrap:wrap;
}

.site-footer__copyright{
font-size:0.86rem;
color:rgba(203,213,225,0.65);
margin:0;
}

.site-footer__icp{
font-size:0.86rem;
color:var(--gold-300);
border:1px solid rgba(212,175,55,0.25);
padding:4px 14px;
border-radius:100px;
background:rgba(212,175,55,0.07);
letter-spacing:0.02em;
margin:0;
}

.page-hero{
padding:calc(var(--header-h) + 72px) 0 64px;
text-align:center;
position:relative;
}
.page-hero__title{
font-family:var(--font-heading);
font-size:clamp(2.4rem,5.5vw,3.8rem);
color:var(--white);
margin-bottom:18px;
line-height:1.2;
}
.page-hero__title::after{
content:"";
display:block;
width:72px;
height:3px;
background:var(--gold-grad);
margin:22px auto 0;
border-radius:3px;
}
.page-hero__subtitle{
font-size:1.15rem;
color:var(--slate-300);
max-width:680px;
margin:0 auto;
line-height:1.8;
}

.section{
padding:80px 0;
position:relative;
}
.section--tight{padding:48px 0}
.section__header{
display:flex;
align-items:baseline;
gap:20px;
margin-bottom:44px;
}
.section__number{
font-family:var(--font-heading);
font-size:clamp(2.8rem,7vw,4.6rem);
font-weight:700;
line-height:1;
color:transparent;
-webkit-text-stroke:1.5px rgba(212,175,55,0.55);
opacity:0.7;
white-space:nowrap;
}
.section__title{
font-family:var(--font-heading);
font-size:clamp(1.6rem,3vw,2.2rem);
color:var(--white);
line-height:1.25;
}

.chapter-number{
font-family:var(--font-heading);
font-size:clamp(3.5rem,9vw,6rem);
font-weight:700;
line-height:1;
color:rgba(212,175,55,0.14);
display:block;
-webkit-user-select:none;
user-select:none;
}

.btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:8px;
padding:13px 30px;
border:1.5px solid var(--gold-400);
background:transparent;
color:var(--gold-300);
font-family:var(--font-body);
font-size:0.95rem;
font-weight:600;
letter-spacing:0.04em;
text-decoration:none;
cursor:pointer;
border-radius:var(--radius-sm);
transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
position:relative;
overflow:hidden;
}
.btn:hover{
background:rgba(212,175,55,0.1);
color:var(--gold-300);
transform:translateY(-2px);
box-shadow:0 8px 20px rgba(212,175,55,0.15);
}
.btn:active{
transform:translateY(0);
}
.btn--primary{
background:var(--gold-grad);
color:var(--navy-950);
border:none;
font-weight:700;
box-shadow:0 4px 24px rgba(212,175,55,0.3);
}
.btn--primary:hover{
background:var(--gold-grad);
color:var(--navy-950);
box-shadow:0 10px 32px rgba(212,175,55,0.4);
transform:translateY(-2px);
}
.btn--ghost{
border-color:rgba(212,175,55,0.4);
color:var(--white);
background:rgba(255,255,255,0.03);
}

.breadcrumbs{
display:flex;
flex-wrap:wrap;
gap:4px;
align-items:center;
list-style:none;
padding:0;
margin:0 0 36px;
font-size:0.85rem;
color:var(--slate-300);
}
.breadcrumbs a{
color:var(--gold-300);
text-decoration:none;
transition:color 0.2s;
}
.breadcrumbs a:hover{
text-decoration:underline;
color:var(--gold-400);
}
.breadcrumbs__item{
display:inline-flex;
align-items:center;
}
.breadcrumbs__item:not(:last-child)::after{
content:"/";
margin:0 8px;
color:rgba(203,213,225,0.35);
}
.breadcrumbs__item[aria-current="page"]{
color:rgba(203,213,225,0.7);
}

.card-grid{
display:grid;
grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
gap:28px;
}

.card{
background:rgba(255,255,255,0.035);
border:1.5px solid rgba(212,175,55,0.2);
border-radius:var(--radius-md);
padding:34px 28px;
transition:transform 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease,background 0.3s ease;
position:relative;
overflow:hidden;
}
.card::before{
content:"";
position:absolute;
top:0;
left:0;
right:0;
height:2px;
background:var(--gold-grad);
opacity:0;
transition:opacity 0.3s ease;
}
.card:hover{
transform:translateY(-5px);
border-color:rgba(212,175,55,0.5);
box-shadow:var(--shadow-card);
background:rgba(212,175,55,0.05);
}
.card:hover::before{
opacity:1;
}
.card--cream{
background:var(--cream-100);
color:var(--ink-900);
border:2px solid var(--ink-900);
border-radius:var(--radius-sm);
box-shadow:8px 8px 0 rgba(0,0,0,0.35);
padding:36px 32px;
}
.card--cream::before{display:none}
.card--cream h2,
.card--cream h3,
.card--cream h4{
color:var(--ink-900);
}
.card--cream .card__title{
font-family:var(--font-heading);
font-size:1.5rem;
font-weight:700;
margin-bottom:12px;
}
.card--cream p{
color:rgba(26,32,44,0.75);
}
.card--cream:hover{
transform:translate(-2px,-5px);
box-shadow:12px 12px 0 rgba(0,0,0,0.35);
}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}

.tag{
display:inline-block;
padding:4px 14px;
background:rgba(212,175,55,0.14);
border:1px solid rgba(212,175,55,0.35);
color:var(--gold-300);
font-size:0.8rem;
border-radius:100px;
letter-spacing:0.04em;
white-space:nowrap;
}

.divider-gold{
height:1px;
background:linear-gradient(to right,transparent,var(--gold-400),transparent);
border:none;
margin:48px 0;
position:relative;
}
.divider-gold::after{
content:"◆";
position:absolute;
left:50%;
top:50%;
transform:translate(-50%,-50%);
color:var(--gold-400);
font-size:10px;
background:var(--navy-950);
padding:0 12px;
}

.figure-frame{
position:relative;
background:var(--navy-900);
border:2px solid rgba(212,175,55,0.35);
border-radius:var(--radius-sm);
overflow:hidden;
aspect-ratio:4/3;
display:flex;
align-items:center;
justify-content:center;
min-height:160px;
}
.figure-frame::after{
content:"";
position:absolute;
inset:0;
background:
radial-gradient(ellipse at 30% 20%,rgba(212,175,55,0.08),transparent 55%),
radial-gradient(ellipse at 80% 85%,rgba(139,92,246,0.12),transparent 50%);
pointer-events:none;
}
.figure-frame--wide{aspect-ratio:21/9}
.figure-frame--square{aspect-ratio:1/1}

@media(max-width:960px){
.site-footer__inner{
grid-template-columns:1fr 1fr;
gap:40px;
}
.site-footer__col--brand{grid-column:1/-1;padding-right:0}
.grid-2,.grid-3{grid-template-columns:1fr}
.section{padding:56px 0}
.page-hero{padding-top:calc(var(--header-h) + 40px)}
}

@media(max-width:640px){
.site-footer__inner{
grid-template-columns:1fr;
gap:32px;
}
.site-footer__bottom-inner{
flex-direction:column;
text-align:center;
}
.section__header{
flex-direction:column;
gap:8px;
}
.breadcrumbs{font-size:0.8rem}
}

@media(prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:0.01ms !important;
animation-iteration-count:1 !important;
transition-duration:0.01ms !important;
scroll-behavior:auto !important;
}
html{scroll-behavior:auto}
.scroll-progress{transition:none}
}

a[aria-current="page"]{
font-weight:600;
}
.site-footer__links a[aria-current="page"]{
color:var(--gold-300);
}

::selection{
background:var(--gold-400);
color:var(--navy-950);
}

@media(max-width:768px){
.scroll-progress{
height:2px;
}
}