*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:"Inter","Helvetica Neue",Arial,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-weight:400;line-height:1.7;color:#1A1A1A;background:#FBF8F2;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,video,canvas{display:block;max-width:100%}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit;border:none;background:transparent;appearance:none;-webkit-appearance:none}
button{cursor:pointer}
:focus-visible{outline:3px solid #C5A55A;outline-offset:2px;border-radius:4px}

:root{
  --color-primary:#1B5E20;
  --color-primary-light:#388E3C;
  --color-primary-dark:#0D3B0F;
  --color-accent-gold:#C5A55A;
  --color-accent-gold-light:#E0C77C;
  --color-neutral-white:#FFFFFF;
  --color-neutral-white-soft:#F5F5F0;
  --color-cta-orange:#FF6F00;
  --color-text-dark:#1A1A1A;
  --color-text-muted:#666666;
  --color-bg-warm:#FBF8F2;
  --font-heading:"Inter","Helvetica Neue",Arial,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Inter","Helvetica Neue",Arial,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --heading-weight:800;
  --body-weight:400;
  --line-height-heading:1.1;
  --line-height-body:1.7;
  --content-max-width:1200px;
  --nav-height:3rem;
  --header-masthead-padding:1rem 0;
  --transition-default:0.3s cubic-bezier(0.4,0,0.2,1);
  --radius-large:16px;
  --radius-pill:999px
}

@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}
}

/* ===== SKIP LINK ===== */
.skip-link{position:absolute;top:-9999px;left:1rem;z-index:10000;background:#1B5E20;color:#FFFFFF;padding:0.75rem 1.5rem;border-radius:0 0 8px 8px;font-weight:600;font-size:0.875rem}
.skip-link:focus{top:0;outline:3px solid #C5A55A;outline-offset:-2px}

/* ===== HEADER ===== */
.site-header{background:#1B5E20;position:relative;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,0.15);overflow:hidden}
.site-header::before{content:"";position:absolute;top:0;right:0;width:35%;height:100%;background:linear-gradient(135deg,transparent 40%,rgba(197,165,90,0.12) 100%);pointer-events:none;z-index:0}
.site-header::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#C5A55A,#E0C77C,#C5A55A);z-index:1}
.header-masthead{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;max-width:var(--content-max-width);margin:0 auto;padding:1rem 1.5rem 0.5rem}
.brand{display:flex;flex-direction:column;gap:0.15rem}
.brand-name{font-family:var(--font-heading);font-weight:800;font-size:clamp(1.4rem,3.5vw,2.2rem);color:#FFFFFF;letter-spacing:0.02em;transform:skew(-2deg);line-height:1.1;text-shadow:0 2px 4px rgba(0,0,0,0.2)}
.brand-tagline{font-family:var(--font-body);font-weight:400;font-size:clamp(0.7rem,1.2vw,0.9rem);color:#C5A55A;letter-spacing:0.15em;text-transform:uppercase;opacity:0.9}

/* ===== NAV TOGGLE ===== */
.nav-toggle{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;width:44px;height:44px;cursor:pointer;background:transparent;border:none;padding:0;color:#FFFFFF}
.nav-toggle-icon,.nav-toggle-icon::before,.nav-toggle-icon::after{display:block;width:26px;height:2.5px;background:#FFFFFF;border-radius:4px;transition:var(--transition-default);transform-origin:center;position:relative}
.nav-toggle-icon::before,.nav-toggle-icon::after{content:"";position:absolute;left:0}
.nav-toggle-icon::before{top:-8px}
.nav-toggle-icon::after{top:8px}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{top:0;transform:rotate(-45deg)}
@media(min-width:769px){.nav-toggle{display:none}}

/* ===== NAV ===== */
.nav{position:relative;z-index:2;background:#1B5E20;max-width:var(--content-max-width);margin:0 auto;padding:0 1.5rem 0.75rem}
.nav-list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0.25rem}
.nav-link{display:inline-block;padding:0.5rem 1rem;font-family:var(--font-heading);font-weight:600;font-size:clamp(0.8rem,1.1vw,0.95rem);color:rgba(255,255,255,0.9);letter-spacing:0.04em;transition:color var(--transition-default),background var(--transition-default);border-radius:var(--radius-pill);position:relative}
.nav-link::after{content:"";position:absolute;bottom:2px;left:1rem;right:1rem;height:2px;background:#C5A55A;transform:scaleX(0);transform-origin:left;transition:transform var(--transition-default)}
.nav-link:hover,.nav-link:focus-visible{color:#FFFFFF;background:rgba(197,165,90,0.15)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:#C5A55A;font-weight:700;background:rgba(197,165,90,0.1)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:#C5A55A}

@media(max-width:768px){
  .nav{max-height:0;overflow:hidden;transition:max-height 0.5s cubic-bezier(0.4,0,0.2,1),padding 0.4s ease;padding:0 1.5rem;background:#0D3B0F;border-radius:0 0 16px 16px}
  .nav[data-open="true"]{max-height:500px;padding:1rem 1.5rem 1.5rem}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{padding:0.75rem 1rem;border-radius:8px;font-size:1rem;border-bottom:1px solid rgba(255,255,255,0.06)}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:rgba(197,165,90,0.2);color:#E0C77C}
  .nav-link:hover{background:rgba(197,165,90,0.12)}
}
@media(min-width:769px){
  .nav{background:transparent;display:block!important;max-height:none!important;overflow:visible;padding:0 1.5rem 0.5rem}
}

/* ===== FOOTER ===== */
.site-footer{background:#0D3B0F;color:rgba(255,255,255,0.9);position:relative;overflow:hidden;margin-top:4rem}
.site-footer::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#C5A55A,#E0C77C,#C5A55A)}
.footer-inner{max-width:var(--content-max-width);margin:0 auto;padding:2.5rem 1.5rem 2rem;display:flex;flex-direction:column;gap:1.75rem}
.footer-top{display:flex;flex-direction:column;gap:1.5rem;align-items:flex-start}
.footer-brand .brand-name{font-size:clamp(1.2rem,2.5vw,1.8rem)}
.footer-brand .brand-tagline{font-size:clamp(0.65rem,1vw,0.8rem)}
.footer-links{display:flex;flex-wrap:wrap;gap:0.75rem 1.5rem}
.footer-link{font-size:0.9rem;color:rgba(255,255,255,0.75);transition:color var(--transition-default);padding:0.25rem 0;position:relative}
.footer-link::after{content:"";position:absolute;bottom:0;left:0;width:0;height:1.5px;background:#C5A55A;transition:width var(--transition-default)}
.footer-link:hover,.footer-link:focus-visible{color:#C5A55A}
.footer-link:hover::after,.footer-link:focus-visible::after{width:100%}
.footer-contact{display:flex;flex-wrap:wrap;gap:0.5rem 2rem;font-size:0.85rem;color:rgba(255,255,255,0.6);border-top:1px solid rgba(197,165,90,0.2);padding-top:1.25rem}
.footer-contact-item{position:relative;padding-left:0.25rem}
.footer-bottom{display:flex;flex-direction:column;gap:0.5rem;font-size:0.8rem;color:rgba(255,255,255,0.5);border-top:1px solid rgba(197,165,90,0.15);padding-top:1.25rem}
.footer-icp{letter-spacing:0.05em}
.footer-note{font-style:italic;opacity:0.7}
.footer-trust{font-weight:500;color:rgba(197,165,90,0.7)}

@media(min-width:600px){
  .footer-top{flex-direction:row;justify-content:space-between;align-items:center}
  .footer-contact{flex-direction:row}
  .footer-bottom{flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:center}
}

/* ===== SCROLL PROGRESS ===== */
[data-scroll-progress]{position:fixed;top:0;left:0;width:100%;height:4px;z-index:9999;pointer-events:none;background:rgba(197,165,90,0.2)}
[data-scroll-progress]::after{content:"";display:block;width:0;height:100%;background:linear-gradient(90deg,#C5A55A,#E0C77C,#C5A55A);transition:width 0.1s linear}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.7rem 1.8rem;font-family:var(--font-heading);font-weight:600;font-size:0.95rem;border-radius:var(--radius-pill);transition:all var(--transition-default);cursor:pointer;line-height:1.4;text-align:center}
.btn-primary{background:#1B5E20;color:#FFFFFF;border:2px solid transparent}
.btn-primary:hover,.btn-primary:focus-visible{background:#0D3B0F;transform:translateY(-2px);box-shadow:0 6px 20px rgba(27,94,32,0.3)}
.btn-cta{background:#FF6F00;color:#FFFFFF;border:2px solid transparent;font-weight:700;animation:pulse-cta 2s ease-in-out infinite}
.btn-cta:hover,.btn-cta:focus-visible{background:#E06500;transform:translateY(-2px) scale(1.02);box-shadow:0 6px 24px rgba(255,111,0,0.35);animation:none}
@keyframes pulse-cta{0%,100%{box-shadow:0 0 0 0 rgba(255,111,0,0.4)}50%{box-shadow:0 0 0 10px rgba(255,111,0,0)}}
.btn-outline{background:transparent;color:#1B5E20;border:2px solid #1B5E20}
.btn-outline:hover,.btn-outline:focus-visible{background:#1B5E20;color:#FFFFFF}

/* ===== BREADCRUMB ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:0.4rem 0.8rem;padding:0.75rem 0;font-size:0.85rem;color:var(--color-text-muted)}
.breadcrumb a{color:var(--color-primary);transition:color var(--transition-default);font-weight:500}
.breadcrumb a:hover{color:var(--color-accent-gold)}
.breadcrumb .breadcrumb-current{color:var(--color-text-dark);font-weight:600}
.breadcrumb-sep{color:var(--color-text-muted);font-size:0.75rem;user-select:none}

/* ===== CONTENT CONTAINER ===== */
.content-container{max-width:var(--content-max-width);margin:0 auto;padding:0 1.5rem;width:100%}
.content-container.content-narrow{max-width:880px}
.content-container.content-wide{max-width:1400px}

/* ===== GRID ===== */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid-3{grid-template-columns:1fr 1fr 1fr}}

/* ===== CARD ===== */
.card{background:#FFFFFF;border-radius:var(--radius-large);padding:1.5rem;box-shadow:0 2px 12px rgba(0,0,0,0.04);transition:box-shadow var(--transition-default),transform var(--transition-default);display:flex;flex-direction:column;gap:0.75rem}
.card:hover{box-shadow:0 8px 28px rgba(0,0,0,0.08);transform:translateY(-3px)}
.card.card-warm{background:var(--color-bg-warm)}
.card.card-dark{background:var(--color-primary-dark);color:#FFFFFF}
.card .card-title{font-family:var(--font-heading);font-weight:700;font-size:1.15rem;line-height:1.2;transform:skew(-2deg);color:var(--color-text-dark)}
.card.card-dark .card-title{color:#FFFFFF}
.card .card-meta{font-size:0.85rem;color:var(--color-text-muted);display:flex;gap:0.75rem;flex-wrap:wrap}
.card .card-body{font-size:0.95rem;line-height:1.6;color:var(--color-text-muted)}
.card .card-footer{margin-top:auto;padding-top:0.5rem}

/* ===== COVER SECTION ===== */
.cover-section{position:relative;padding:2.5rem 1.5rem 3rem;background:linear-gradient(135deg,#0D3B0F 0%,#1B5E20 60%,#2E7D32 100%);border-radius:0 0 32px 32px;margin-bottom:2.5rem;overflow:hidden}
.cover-section::before{content:"";position:absolute;top:0;right:0;width:50%;height:100%;background:radial-gradient(ellipse at top right,rgba(197,165,90,0.1) 0%,transparent 70%);pointer-events:none}
.cover-section::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,transparent 10%,#C5A55A 40%,#E0C77C 60%,transparent 90%)}
.cover-section .cover-title{font-family:var(--font-heading);font-weight:800;font-size:clamp(2rem,5vw,3.8rem);color:#FFFFFF;line-height:1.05;transform:skew(-2deg);max-width:85%;text-shadow:0 3px 12px rgba(0,0,0,0.3)}
.cover-section .cover-subtitle{font-size:clamp(1rem,2vw,1.4rem);color:rgba(255,255,255,0.85);font-weight:400;margin-top:0.75rem;max-width:70%;line-height:1.5}
.cover-section .cover-meta{display:flex;flex-wrap:wrap;gap:1rem 2rem;margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid rgba(197,165,90,0.25);color:rgba(255,255,255,0.7);font-size:0.9rem}
.cover-section .cover-cta{margin-top:1.75rem;display:flex;gap:1rem;flex-wrap:wrap}
@media(max-width:640px){
  .cover-section{padding:1.75rem 1rem 2rem;border-radius:0 0 20px 20px}
  .cover-section .cover-title{max-width:100%;font-size:clamp(1.6rem,6vw,2.2rem)}
  .cover-section .cover-subtitle{max-width:100%}
}

/* ===== UTILITY ===== */
.text-center{text-align:center}
.text-gold{color:var(--color-accent-gold)}
.text-muted{color:var(--color-text-muted)}
.mt-1{margin-top:0.5rem}
.mt-2{margin-top:1rem}
.mt-3{margin-top:1.5rem}
.mb-2{margin-bottom:1rem}
.mb-3{margin-bottom:1.5rem}
.mb-4{margin-bottom:2rem}
.py-2{padding-top:1rem;padding-bottom:1rem}
.py-3{padding-top:1.5rem;padding-bottom:1.5rem}
.px-2{padding-left:1rem;padding-right:1rem}
.flex{display:flex}
.flex-wrap{flex-wrap:wrap}
.gap-1{gap:0.5rem}
.gap-2{gap:1rem}
.items-center{align-items:center}
.justify-center{justify-content:center}
.justify-between{justify-content:space-between}

/* ===== SECTION DIVIDER ===== */
.section-divider{height:2px;background:linear-gradient(90deg,transparent,var(--color-accent-gold),transparent);opacity:0.3;margin:2rem 0;border:none;width:100%}

/* ===== DECORATIVE DIAGONAL ===== */
.diagonal-line{position:relative;overflow:hidden}
.diagonal-line::before{content:"";position:absolute;top:-10%;right:-10%;width:30%;height:120%;background:linear-gradient(135deg,transparent 45%,rgba(197,165,90,0.08) 50%,transparent 55%);pointer-events:none;transform:rotate(12deg)}
.diagonal-line.dark::before{background:linear-gradient(135deg,transparent 45%,rgba(255,255,255,0.04) 50%,transparent 55%)}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media(min-width:769px){
  .site-header .header-masthead{padding:1.25rem 2rem 0.25rem}
  .nav-link{padding:0.5rem 1.2rem}
}
@media(min-width:1024px){
  .header-masthead,.nav{padding-left:2rem;padding-right:2rem}
  .content-container{padding:0 2rem}
}
@media(max-width:480px){
  .site-footer .footer-inner{padding:1.75rem 1rem 1.5rem;gap:1.25rem}
  .footer-links{flex-direction:column;gap:0.5rem}
  .footer-contact{flex-direction:column;gap:0.4rem}
}