*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#f5f8f5;--surface:#ffffff;--surface-2:#eef6f0;--ink:#0c1f17;--text:#15241c;--muted:#5c6b64;--primary:#10b981;--primary-strong:#059669;--primary-deep:#065f46;--primary-soft:#d1fae5;--primary-tint:#ecfdf5;--accent:#f5b301;--accent-strong:#d99800;--accent-soft:#fef3c7;--line:#e2eae4;--line-soft:#edf2ee;--radius:18px;--radius-lg:26px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(12,31,23,0.06),0 1px 3px rgba(12,31,23,0.04);--shadow:0 2px 8px rgba(12,31,23,0.05),0 10px 28px rgba(12,31,23,0.07);--shadow-lg:0 8px 24px rgba(12,31,23,0.10),0 24px 56px rgba(12,31,23,0.12);--mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;--sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.article-body{color:var(--text);font-size:16px;line-height:1.85}.article-body h1,.article-body h2,.article-body h3{color:var(--ink);font-weight:700;margin:1.6em 0 .7em;line-height:1.3}.article-body h1{font-size:26px}.article-body h2{font-size:22px}.article-body h3{font-size:18px}.article-body p{margin:.9em 0}.article-body ol,.article-body ul{margin:.9em 0;padding-left:1.6em}.article-body li{margin:.4em 0}.article-body img{max-width:100%;border-radius:var(--radius);margin:16px 0}.article-body blockquote{margin:1em 0;padding:8px 18px;border-left:3px solid var(--primary);background:var(--primary-tint);color:var(--muted);border-radius:0 var(--radius) var(--radius) 0}.article-body code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);padding:2px 6px;border-radius:6px}.article-body pre{background:var(--surface-2);padding:16px;border-radius:var(--radius);overflow-x:auto;margin:1em 0}.article-body pre code{background:none;padding:0}.article-body a{color:var(--primary-strong);text-decoration:underline}.article-body table{width:100%;border-collapse:collapse;margin:1em 0}.article-body td,.article-body th{border:1px solid var(--line);padding:8px 12px}.viewer-watermark{position:absolute;pointer-events:none;z-index:5}.viewer-watermark span{position:absolute;top:48%;left:50%;transform:translate(-50%,-50%);white-space:nowrap;font-weight:800;letter-spacing:.18em;color:rgba(255,255,255,.9);text-shadow:0 1px 8px rgba(0,0,0,.5);border:2px solid rgba(255,255,255,.6);border-radius:.4em;padding:.25em .7em;background:rgba(0,0,0,.08)}@media (max-width:820px){body{padding-bottom:88px}}.ContactWechat_trigger__ZcTV4{position:fixed;left:0;top:50%;transform:translateY(-50%);z-index:90;display:flex;align-items:center;gap:6px;padding:12px 10px 12px 12px;border:none;border-radius:0 var(--radius-pill) var(--radius-pill) 0;background:linear-gradient(135deg,var(--primary) 0,var(--primary-deep) 100%);color:#fff;font-family:inherit;cursor:pointer;box-shadow:0 6px 18px rgba(6,95,70,.34);transition:transform .18s,box-shadow .18s,background .18s;writing-mode:vertical-rl}.ContactWechat_trigger__ZcTV4:hover{background:linear-gradient(135deg,var(--primary-strong) 0,var(--primary-deep) 100%);box-shadow:0 8px 22px rgba(6,95,70,.42);transform:translateY(-50%) translateX(2px)}.ContactWechat_trigger__ZcTV4:active{transform:translateY(-50%)}.ContactWechat_trigger-icon__KCBqp{width:18px;height:18px;flex:none;transform:rotate(180deg)}.ContactWechat_trigger-label__LkVry{font-size:13px;font-weight:600;letter-spacing:.14em}.ContactWechat_overlay__lPzvd{position:fixed;inset:0;z-index:200;background:rgba(12,31,23,.42);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;animation:ContactWechat_cw-fade__d9nzm .18s ease-out}@keyframes ContactWechat_cw-fade__d9nzm{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.ContactWechat_overlay__lPzvd{animation:none}}.ContactWechat_card__6kCTB{position:relative;width:304px;max-width:calc(100vw - 40px);padding:26px 24px 22px;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;animation:ContactWechat_cw-pop__17Ce1 .22s cubic-bezier(.22,1,.36,1)}@keyframes ContactWechat_cw-pop__17Ce1{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media (prefers-reduced-motion:reduce){.ContactWechat_card__6kCTB{animation:none}}.ContactWechat_close__ijaIo{position:absolute;top:8px;right:12px;width:28px;height:28px;border:none;border-radius:var(--radius-pill);background:transparent;color:var(--muted);font-size:22px;line-height:1;cursor:pointer;transition:background .15s,color .15s}.ContactWechat_close__ijaIo:hover{background:var(--surface-2);color:var(--ink)}.ContactWechat_eyebrow__Npib_{font-size:11px;font-weight:700;letter-spacing:.22em;color:var(--primary-strong);margin-bottom:16px}.ContactWechat_qrframe__uSd62{position:relative;display:inline-flex;border-radius:var(--radius);overflow:hidden;background:#fff;padding:8px;box-shadow:0 1px 0 rgba(12,31,23,.04)}.ContactWechat_qrlogo__O66my{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#fff;color:#07C160;box-shadow:0 0 0 4px #fff,0 2px 6px rgba(12,31,23,.12)}.ContactWechat_qrlogo__O66my svg{width:26px;height:26px}.ContactWechat_caption__cDssh{margin-top:18px;font-size:15px;color:var(--ink);letter-spacing:.02em}.ContactWechat_caption__cDssh strong{color:var(--primary-strong);font-weight:700;margin-right:4px}.ContactWechat_hint__iS3mJ{margin-top:6px;font-size:12px;color:var(--muted)}@media (max-width:720px){.ContactWechat_trigger__ZcTV4{padding:10px 8px 10px 10px}.ContactWechat_trigger-icon__KCBqp{width:16px;height:16px}.ContactWechat_trigger-label__LkVry{font-size:12px;letter-spacing:.1em}}@media (max-width:820px){.ContactWechat_trigger__ZcTV4{display:none}}.MobileContactBar_bar__OkQgp,.MobileContactBar_cta__8Lf1L,.MobileContactBar_overlay__1dEn4{display:none}@media (max-width:820px){.MobileContactBar_bar__OkQgp{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(12,31,23,.08)}.MobileContactBar_cta__8Lf1L{display:flex;align-items:center;justify-content:center;gap:8px;flex:1 1;height:48px;border:none;border-radius:var(--radius-pill);background:linear-gradient(135deg,var(--primary) 0,var(--primary-deep) 100%);color:#fff;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 6px 16px rgba(16,185,129,.32)}.MobileContactBar_cta__8Lf1L:active{transform:translateY(1px)}.MobileContactBar_cta-icon__F0X4D{width:20px;height:20px}.MobileContactBar_overlay__1dEn4{display:flex;position:fixed;inset:0;z-index:300;align-items:flex-end;justify-content:center;background:rgba(12,31,23,.5);animation:MobileContactBar_mcbFade__mWJzS .18s ease}.MobileContactBar_sheet__1TIiR{position:relative;width:100%;max-width:420px;margin:0 12px 12px;padding:28px 24px calc(28px + env(safe-area-inset-bottom));background:var(--surface);border-radius:20px;text-align:center;animation:MobileContactBar_mcbSlide__gKyuS .22s ease}@keyframes MobileContactBar_mcbFade__mWJzS{0%{opacity:0}to{opacity:1}}@keyframes MobileContactBar_mcbSlide__gKyuS{0%{transform:translateY(100%)}to{transform:translateY(0)}}.MobileContactBar_close__ckk8u{position:absolute;top:12px;right:12px;width:44px;height:44px;border:none;background:var(--surface-2);border-radius:50%;font-size:20px;color:var(--muted);cursor:pointer}.MobileContactBar_eyebrow__0uT6f{font-size:13px;font-weight:600;color:var(--primary-strong);letter-spacing:.04em;margin-bottom:16px}.MobileContactBar_qrframe__sPB_U{position:relative;display:inline-flex;padding:14px;background:#fff;border-radius:16px;border:1px solid var(--line)}.MobileContactBar_qrlogo__fibDW{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;color:var(--primary-deep)}.MobileContactBar_qrlogo__fibDW svg{width:26px;height:26px}.MobileContactBar_caption__6tz69{margin-top:18px;font-size:15px;color:var(--ink)}.MobileContactBar_caption__6tz69 strong{font-weight:700}.MobileContactBar_hint__bRka9{margin-top:6px;font-size:13px;color:var(--muted)}}.NavBar_navbar__XyM_l{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}.NavBar_navbar-inner__aXKOX{max-width:1160px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.NavBar_navbar-brand__XKITV{display:flex;align-items:center;gap:12px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.NavBar_brand-logo__Goaom{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(135deg,var(--primary) 0,var(--primary-deep) 100%);color:#fff;font-size:18px;font-weight:700;box-shadow:0 4px 12px rgba(16,185,129,.32)}.NavBar_brand-text__SROcr{display:flex;flex-direction:column;line-height:1.1}.NavBar_brand-name__7_Olc{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.02em}.NavBar_brand-sub__AWg9U{font-size:11px;color:var(--muted);margin-top:2px}.NavBar_navbar-nav__ZgsJs{display:flex;align-items:center;gap:4px}.NavBar_auth-pill__HnWEZ{display:inline-flex;align-items:center;gap:4px;height:30px;padding:0 10px;border-radius:var(--radius-pill);font-family:inherit;font-size:10.5px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .15s;border:1px solid transparent;white-space:nowrap}.NavBar_auth-pill__HnWEZ svg{flex:none}.NavBar_auth-pill--solid__OOTsU{background:linear-gradient(135deg,#143b2c 0,var(--ink) 100%);color:#fff;box-shadow:0 4px 12px rgba(12,31,23,.22)}.NavBar_auth-pill--solid__OOTsU:hover{color:#fff;background:linear-gradient(135deg,#1a4d39,#0c1f17);box-shadow:0 6px 16px rgba(12,31,23,.28);transform:translateY(-1px)}.NavBar_auth-pill--solid__OOTsU:active{transform:translateY(0)}.NavBar_auth-pill--ghost__lU5yX{background:transparent;border-color:transparent;color:var(--muted)}.NavBar_auth-pill--ghost__lU5yX:hover{background:var(--primary-tint);color:var(--primary-strong)}@media (max-width:720px){.NavBar_auth-pill__HnWEZ{height:28px;padding:0 9px;font-size:10px}}.NavBar_nav-link__ZOGpA{text-decoration:none;color:var(--muted);font-size:14px;padding:8px 14px;border-radius:var(--radius-pill);transition:color .15s,background .15s;font-weight:500}.NavBar_nav-link__ZOGpA:hover{color:var(--ink);background:var(--surface-2)}.NavBar_router-link-exact-active__40dcK{color:#fff;background:var(--primary);font-weight:600;box-shadow:0 4px 12px rgba(16,185,129,.28)}.NavBar_nav-link__ZOGpA.NavBar_router-link-exact-active__40dcK:hover{color:#fff;background:var(--primary)}.NavBar_nav-ext__nO5OX{border:1px solid var(--line);color:var(--ink)}.NavBar_nav-ext__nO5OX:hover{border-color:var(--primary);color:var(--primary-strong);background:var(--primary-tint)}@media (max-width:720px){.NavBar_brand-sub__AWg9U{display:none}.NavBar_nav-link__ZOGpA{padding:7px 10px;font-size:13px}}.NavBar_hamburger__jkpO9{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:none;cursor:pointer;color:var(--ink);-webkit-tap-highlight-color:transparent}.NavBar_hamburger-box__jAVJF{display:flex;flex-direction:column;gap:5px;width:22px}.NavBar_hamburger-line__yYqWs{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px}.NavBar_drawer__12ukt{position:fixed;inset:0;z-index:200}.NavBar_drawer-backdrop__WdQxN{position:absolute;inset:0;background:rgba(12,31,23,.45);animation:NavBar_navFadeIn__ox0I_ .18s ease}.NavBar_drawer-panel__mvFrn{position:absolute;top:0;right:0;bottom:0;width:min(82vw,320px);background:var(--surface);box-shadow:-8px 0 32px rgba(12,31,23,.18);display:flex;flex-direction:column;padding:16px 0;animation:NavBar_navSlideIn__DlefN .22s ease}@keyframes NavBar_navFadeIn__ox0I_{0%{opacity:0}to{opacity:1}}@keyframes NavBar_navSlideIn__DlefN{0%{transform:translateX(100%)}to{transform:translateX(0)}}.NavBar_drawer-header__SplOu{display:flex;align-items:center;justify-content:space-between;padding:0 20px 12px;border-bottom:1px solid var(--line-soft)}.NavBar_drawer-title__7gatv{font-size:15px;font-weight:700;color:var(--ink)}.NavBar_drawer-close__dmU9D{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;font-size:18px;color:var(--muted);cursor:pointer}.NavBar_drawer-nav__ZOQED{display:flex;flex-direction:column;padding:8px 12px;flex:1 1;overflow-y:auto}.NavBar_drawer-link__KrYx1{display:flex;align-items:center;min-height:48px;padding:0 16px;font-size:16px;font-weight:500;color:var(--text);text-decoration:none;border-radius:12px;margin-bottom:4px}.NavBar_drawer-link--active__Wd_M2{color:var(--primary-strong);background:var(--primary-tint);font-weight:600}.NavBar_drawer-footer__vEtLY{padding:16px 20px 20px;border-top:1px solid var(--line-soft);display:flex;justify-content:center}.NavBar_drawer-footer__vEtLY .NavBar_auth-pill__HnWEZ{height:44px;padding:0 20px;font-size:14px}@media (max-width:820px){.NavBar_navbar-nav__ZgsJs{display:none}.NavBar_hamburger__jkpO9{display:flex}}